/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 BOTH --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --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/safe001_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 07:52:19,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 07:52:19,387 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 07:52:19,391 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 07:52:19,391 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 07:52:19,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 07:52:19,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 07:52:19,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 07:52:19,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 07:52:19,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 07:52:19,406 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 07:52:19,406 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 07:52:19,406 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 07:52:19,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 07:52:19,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 07:52:19,407 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 07:52:19,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 07:52:19,407 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 07:52:19,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 07:52:19,408 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 07:52:19,408 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 07:52:19,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 07:52:19,414 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 07:52:19,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 07:52:19,414 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 07:52:19,414 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 07:52:19,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 07:52:19,415 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 07:52:19,415 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 07:52:19,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 07:52:19,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 07:52:19,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 07:52:19,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 07:52:19,416 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 07:52:19,417 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 07:52:19,417 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 07:52:19,417 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 07:52:19,417 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 07:52:19,418 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 07:52:19,418 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-06 07:52:19,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 07:52:19,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 07:52:19,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 07:52:19,654 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-06 07:52:19,655 INFO L274 PluginConnector]: CDTParser initialized [2024-04-06 07:52:19,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe001_tso.i [2024-04-06 07:52:20,782 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-06 07:52:20,976 INFO L384 CDTParser]: Found 1 translation units. [2024-04-06 07:52:20,977 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe001_tso.i [2024-04-06 07:52:20,995 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7d4ec1c17/f98f63d7da1645a3a66545f884e8d516/FLAGec453421b [2024-04-06 07:52:21,006 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7d4ec1c17/f98f63d7da1645a3a66545f884e8d516 [2024-04-06 07:52:21,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 07:52:21,009 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-06 07:52:21,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-06 07:52:21,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-06 07:52:21,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-06 07:52:21,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 07:52:21" (1/1) ... [2024-04-06 07:52:21,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa70a32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:52:21, skipping insertion in model container [2024-04-06 07:52:21,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 07:52:21" (1/1) ... [2024-04-06 07:52:21,062 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-06 07:52:21,176 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/safe001_tso.i[945,958] [2024-04-06 07:52:21,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 07:52:21,338 INFO L202 MainTranslator]: Completed pre-run [2024-04-06 07:52:21,348 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/safe001_tso.i[945,958] [2024-04-06 07:52:21,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 07:52:21,428 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 07:52:21,428 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 07:52:21,434 INFO L206 MainTranslator]: Completed translation [2024-04-06 07:52:21,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:52:21 WrapperNode [2024-04-06 07:52:21,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-06 07:52:21,437 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 07:52:21,437 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 07:52:21,437 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 07:52:21,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:52:21" (1/1) ... [2024-04-06 07:52:21,484 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:52:21" (1/1) ... [2024-04-06 07:52:21,504 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-04-06 07:52:21,504 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 07:52:21,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 07:52:21,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 07:52:21,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 07:52:21,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:52:21" (1/1) ... [2024-04-06 07:52:21,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:52:21" (1/1) ... [2024-04-06 07:52:21,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:52:21" (1/1) ... [2024-04-06 07:52:21,525 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:52:21" (1/1) ... [2024-04-06 07:52:21,528 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:52:21" (1/1) ... [2024-04-06 07:52:21,529 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:52:21" (1/1) ... [2024-04-06 07:52:21,530 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:52:21" (1/1) ... [2024-04-06 07:52:21,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:52:21" (1/1) ... [2024-04-06 07:52:21,532 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 07:52:21,533 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 07:52:21,533 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 07:52:21,533 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 07:52:21,534 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:52:21" (1/1) ... [2024-04-06 07:52:21,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 07:52:21,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 07:52:21,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-06 07:52:21,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-06 07:52:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-06 07:52:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-06 07:52:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-06 07:52:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-06 07:52:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-06 07:52:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-04-06 07:52:21,617 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-04-06 07:52:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-04-06 07:52:21,617 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-04-06 07:52:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-04-06 07:52:21,618 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-04-06 07:52:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-06 07:52:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-06 07:52:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 07:52:21,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 07:52:21,619 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 07:52:21,753 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 07:52:21,758 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 07:52:21,912 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 07:52:21,923 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 07:52:21,923 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-06 07:52:21,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 07:52:21 BoogieIcfgContainer [2024-04-06 07:52:21,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 07:52:21,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 07:52:21,927 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 07:52:21,929 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 07:52:21,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 07:52:21" (1/3) ... [2024-04-06 07:52:21,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3487eb92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 07:52:21, skipping insertion in model container [2024-04-06 07:52:21,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:52:21" (2/3) ... [2024-04-06 07:52:21,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3487eb92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 07:52:21, skipping insertion in model container [2024-04-06 07:52:21,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 07:52:21" (3/3) ... [2024-04-06 07:52:21,931 INFO L112 eAbstractionObserver]: Analyzing ICFG safe001_tso.i [2024-04-06 07:52:21,937 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 07:52:21,945 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 07:52:21,945 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 07:52:21,945 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 07:52:21,986 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-04-06 07:52:22,023 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 07:52:22,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 07:52:22,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 07:52:22,037 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-06 07:52:22,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-06 07:52:22,111 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 07:52:22,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:52:22,147 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 07:52:22,164 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;@25863606, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-06 07:52:22,167 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-06 07:52:22,273 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)] === [2024-04-06 07:52:22,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:52:22,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1417150929, now seen corresponding path program 1 times [2024-04-06 07:52:22,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:52:22,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064721409] [2024-04-06 07:52:22,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:52:22,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:52:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:52:22,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:52:22,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:52:22,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064721409] [2024-04-06 07:52:22,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064721409] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 07:52:22,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 07:52:22,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-06 07:52:22,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069026957] [2024-04-06 07:52:22,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 07:52:22,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-06 07:52:22,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:52:22,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-06 07:52:22,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-06 07:52:22,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:52:22,542 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:52:22,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 07:52:22,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:52:22,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:52:22,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 07:52:22,569 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)] === [2024-04-06 07:52:22,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:52:22,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1576267092, now seen corresponding path program 1 times [2024-04-06 07:52:22,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:52:22,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125396758] [2024-04-06 07:52:22,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:52:22,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:52:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:52:22,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:52:22,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:52:22,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125396758] [2024-04-06 07:52:22,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125396758] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 07:52:22,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 07:52:22,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-06 07:52:22,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451880487] [2024-04-06 07:52:22,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 07:52:22,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-06 07:52:22,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:52:22,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-06 07:52:22,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-06 07:52:22,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:52:22,929 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:52:22,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 07:52:22,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:52:22,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:52:23,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:52:23,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 07:52:23,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 07:52:23,215 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)] === [2024-04-06 07:52:23,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:52:23,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1960106709, now seen corresponding path program 1 times [2024-04-06 07:52:23,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:52:23,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954265149] [2024-04-06 07:52:23,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:52:23,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:52:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:52:23,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:52:23,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:52:23,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954265149] [2024-04-06 07:52:23,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954265149] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 07:52:23,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 07:52:23,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-06 07:52:23,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876350332] [2024-04-06 07:52:23,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 07:52:23,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-06 07:52:23,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:52:23,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-06 07:52:23,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-04-06 07:52:23,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:52:23,386 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:52:23,386 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) [2024-04-06 07:52:23,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:52:23,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 07:52:23,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:52:24,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:52:24,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 07:52:24,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 07:52:24,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-06 07:52:24,082 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)] === [2024-04-06 07:52:24,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:52:24,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1541108586, now seen corresponding path program 1 times [2024-04-06 07:52:24,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:52:24,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20168528] [2024-04-06 07:52:24,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:52:24,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:52:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:52:24,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:52:24,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:52:24,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20168528] [2024-04-06 07:52:24,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20168528] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 07:52:24,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 07:52:24,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-06 07:52:24,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046640415] [2024-04-06 07:52:24,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 07:52:24,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-06 07:52:24,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:52:24,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1483662645, now seen corresponding path program 1 times [2024-04-06 07:52:24,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:52:24,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:52:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 07:52:24,366 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 07:52:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 07:52:24,495 INFO L85 PathProgramCache]: Analyzing trace with hash 775396665, now seen corresponding path program 1 times [2024-04-06 07:52:24,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:52:24,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:52:24,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:52:24,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:52:24,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:52:24,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:52:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:52:24,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:52:24,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-06 07:52:24,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-04-06 07:52:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:52:24,841 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:52:24,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.0) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 07:52:24,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:52:24,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 07:52:24,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 07:52:24,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:52:25,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:52:25,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 07:52:25,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 07:52:25,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 07:52:25,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-04-06 07:52:25,556 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)] === [2024-04-06 07:52:25,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 07:52:25,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1328247906, now seen corresponding path program 2 times [2024-04-06 07:52:25,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 07:52:25,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698888608] [2024-04-06 07:52:25,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 07:52:25,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 07:52:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 07:52:25,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 07:52:25,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 07:52:25,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698888608] [2024-04-06 07:52:25,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698888608] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 07:52:25,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 07:52:25,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-06 07:52:25,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9311175] [2024-04-06 07:52:25,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 07:52:25,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-06 07:52:25,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 07:52:25,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-06 07:52:25,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-04-06 07:52:25,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:52:25,812 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 07:52:25,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 07:52:25,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:52:25,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 07:52:25,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 07:52:25,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 07:52:25,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:52:26,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 07:52:26,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 07:52:26,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 07:52:26,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 07:52:26,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 07:52:26,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-06 07:52:26,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-06 07:52:26,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-06 07:52:26,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-06 07:52:26,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-04-06 07:52:26,496 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-04-06 07:52:26,498 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 07:52:26,498 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 07:52:26,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 07:52:26 BasicIcfg [2024-04-06 07:52:26,517 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 07:52:26,518 INFO L158 Benchmark]: Toolchain (without parser) took 5508.76ms. Allocated memory was 162.5MB in the beginning and 335.5MB in the end (delta: 173.0MB). Free memory was 95.5MB in the beginning and 283.8MB in the end (delta: -188.3MB). Peak memory consumption was 172.0MB. Max. memory is 8.0GB. [2024-04-06 07:52:26,518 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 162.5MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 07:52:26,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.91ms. Allocated memory was 162.5MB in the beginning and 203.4MB in the end (delta: 40.9MB). Free memory was 95.3MB in the beginning and 172.9MB in the end (delta: -77.6MB). Peak memory consumption was 22.8MB. Max. memory is 8.0GB. [2024-04-06 07:52:26,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.39ms. Allocated memory is still 203.4MB. Free memory was 172.9MB in the beginning and 170.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-06 07:52:26,519 INFO L158 Benchmark]: Boogie Preprocessor took 27.92ms. Allocated memory is still 203.4MB. Free memory was 170.8MB in the beginning and 169.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-06 07:52:26,519 INFO L158 Benchmark]: RCFGBuilder took 391.14ms. Allocated memory is still 203.4MB. Free memory was 169.2MB in the beginning and 154.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-04-06 07:52:26,519 INFO L158 Benchmark]: TraceAbstraction took 4590.87ms. Allocated memory was 203.4MB in the beginning and 335.5MB in the end (delta: 132.1MB). Free memory was 153.0MB in the beginning and 283.8MB in the end (delta: -130.8MB). Peak memory consumption was 189.0MB. Max. memory is 8.0GB. [2024-04-06 07:52:26,520 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 162.5MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 425.91ms. Allocated memory was 162.5MB in the beginning and 203.4MB in the end (delta: 40.9MB). Free memory was 95.3MB in the beginning and 172.9MB in the end (delta: -77.6MB). Peak memory consumption was 22.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 67.39ms. Allocated memory is still 203.4MB. Free memory was 172.9MB in the beginning and 170.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.92ms. Allocated memory is still 203.4MB. Free memory was 170.8MB in the beginning and 169.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 391.14ms. Allocated memory is still 203.4MB. Free memory was 169.2MB in the beginning and 154.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 4590.87ms. Allocated memory was 203.4MB in the beginning and 335.5MB in the end (delta: 132.1MB). Free memory was 153.0MB in the beginning and 283.8MB in the end (delta: -130.8MB). Peak memory consumption was 189.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 194755, independent: 192593, independent conditional: 192348, independent unconditional: 245, dependent: 2162, dependent conditional: 2156, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 194465, independent: 192593, independent conditional: 192348, independent unconditional: 245, dependent: 1872, dependent conditional: 1871, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 194465, independent: 192593, independent conditional: 192348, independent unconditional: 245, dependent: 1872, dependent conditional: 1871, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 194465, independent: 192593, independent conditional: 192348, independent unconditional: 245, dependent: 1872, dependent conditional: 1871, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 202637, independent: 192593, independent conditional: 11359, independent unconditional: 181234, dependent: 10044, dependent conditional: 5330, dependent unconditional: 4714, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 202637, independent: 192593, independent conditional: 3893, independent unconditional: 188700, dependent: 10044, dependent conditional: 758, dependent unconditional: 9286, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 202637, independent: 192593, independent conditional: 3893, independent unconditional: 188700, dependent: 10044, dependent conditional: 758, dependent unconditional: 9286, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 864, independent: 836, independent conditional: 50, independent unconditional: 786, dependent: 28, dependent conditional: 12, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 864, independent: 798, independent conditional: 0, independent unconditional: 798, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 38, independent conditional: 34, independent unconditional: 4, dependent: 28, dependent conditional: 12, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 38, independent conditional: 34, independent unconditional: 4, dependent: 28, dependent conditional: 12, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, independent: 51, independent conditional: 46, independent unconditional: 5, dependent: 63, dependent conditional: 16, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 202637, independent: 191757, independent conditional: 3843, independent unconditional: 187914, dependent: 10016, dependent conditional: 746, dependent unconditional: 9270, unknown: 864, unknown conditional: 62, unknown unconditional: 802] , Statistics on independence cache: Total cache size (in pairs): 864, Positive cache size: 836, Positive conditional cache size: 50, Positive unconditional cache size: 786, Negative cache size: 28, Negative conditional cache size: 12, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12038, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 202637, independent: 192593, independent conditional: 11359, independent unconditional: 181234, dependent: 10044, dependent conditional: 5330, dependent unconditional: 4714, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 202637, independent: 192593, independent conditional: 3893, independent unconditional: 188700, dependent: 10044, dependent conditional: 758, dependent unconditional: 9286, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 202637, independent: 192593, independent conditional: 3893, independent unconditional: 188700, dependent: 10044, dependent conditional: 758, dependent unconditional: 9286, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 864, independent: 836, independent conditional: 50, independent unconditional: 786, dependent: 28, dependent conditional: 12, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 864, independent: 798, independent conditional: 0, independent unconditional: 798, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 38, independent conditional: 34, independent unconditional: 4, dependent: 28, dependent conditional: 12, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 38, independent conditional: 34, independent unconditional: 4, dependent: 28, dependent conditional: 12, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, independent: 51, independent conditional: 46, independent unconditional: 5, dependent: 63, dependent conditional: 16, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 202637, independent: 191757, independent conditional: 3843, independent unconditional: 187914, dependent: 10016, dependent conditional: 746, dependent unconditional: 9270, unknown: 864, unknown conditional: 62, unknown unconditional: 802] , Statistics on independence cache: Total cache size (in pairs): 864, Positive cache size: 836, Positive conditional cache size: 50, Positive unconditional cache size: 786, Negative cache size: 28, Negative conditional cache size: 12, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12038 ], Independence queries for same thread: 290 - 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, 117 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 2.5s, 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: 56, 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, 0.8s InterpolantComputationTime, 333 NumberOfCodeBlocks, 333 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 328 ConstructedInterpolants, 0 QuantifiedInterpolants, 1246 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-06 07:52:26,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-06 07:52:26,754 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...