/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 SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 2 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe017_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 08:19:16,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 08:19:16,264 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 08:19:16,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 08:19:16,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 08:19:16,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 08:19:16,293 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 08:19:16,294 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 08:19:16,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 08:19:16,294 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 08:19:16,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 08:19:16,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 08:19:16,295 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 08:19:16,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 08:19:16,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 08:19:16,296 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 08:19:16,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 08:19:16,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 08:19:16,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 08:19:16,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 08:19:16,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 08:19:16,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 08:19:16,303 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 08:19:16,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 08:19:16,307 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 08:19:16,307 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 08:19:16,308 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 08:19:16,309 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 08:19:16,309 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 08:19:16,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 08:19:16,310 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 08:19:16,310 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 08:19:16,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 08:19:16,311 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 08:19:16,311 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 08:19:16,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 08:19:16,311 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 08:19:16,311 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 08:19:16,311 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 08:19:16,311 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 2 [2024-04-04 08:19:16,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 08:19:16,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 08:19:16,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 08:19:16,560 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 08:19:16,560 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 08:19:16,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe017_tso.i [2024-04-04 08:19:17,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 08:19:17,747 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 08:19:17,748 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe017_tso.i [2024-04-04 08:19:17,762 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/350d4158c/20fda1c2205e4339a5d570e66f78377a/FLAG388fbc676 [2024-04-04 08:19:17,773 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/350d4158c/20fda1c2205e4339a5d570e66f78377a [2024-04-04 08:19:17,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 08:19:17,776 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 08:19:17,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 08:19:17,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 08:19:17,780 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 08:19:17,781 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 08:19:17" (1/1) ... [2024-04-04 08:19:17,782 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@111e3c8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:19:17, skipping insertion in model container [2024-04-04 08:19:17,782 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 08:19:17" (1/1) ... [2024-04-04 08:19:17,833 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 08:19:17,983 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/safe017_tso.i[945,958] [2024-04-04 08:19:18,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 08:19:18,135 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 08:19:18,147 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/safe017_tso.i[945,958] [2024-04-04 08:19:18,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 08:19:18,204 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 08:19:18,204 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 08:19:18,210 INFO L206 MainTranslator]: Completed translation [2024-04-04 08:19:18,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:19:18 WrapperNode [2024-04-04 08:19:18,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 08:19:18,212 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 08:19:18,212 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 08:19:18,212 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 08:19:18,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:19:18" (1/1) ... [2024-04-04 08:19:18,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:19:18" (1/1) ... [2024-04-04 08:19:18,318 INFO L138 Inliner]: procedures = 176, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-04-04 08:19:18,318 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 08:19:18,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 08:19:18,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 08:19:18,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 08:19:18,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:19:18" (1/1) ... [2024-04-04 08:19:18,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:19:18" (1/1) ... [2024-04-04 08:19:18,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:19:18" (1/1) ... [2024-04-04 08:19:18,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:19:18" (1/1) ... [2024-04-04 08:19:18,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:19:18" (1/1) ... [2024-04-04 08:19:18,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:19:18" (1/1) ... [2024-04-04 08:19:18,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:19:18" (1/1) ... [2024-04-04 08:19:18,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:19:18" (1/1) ... [2024-04-04 08:19:18,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 08:19:18,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 08:19:18,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 08:19:18,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 08:19:18,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:19:18" (1/1) ... [2024-04-04 08:19:18,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 08:19:18,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:19:18,411 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) [2024-04-04 08:19:18,429 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 [2024-04-04 08:19:18,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 08:19:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 08:19:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 08:19:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 08:19:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 08:19:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-04-04 08:19:18,449 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-04-04 08:19:18,449 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-04-04 08:19:18,449 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-04-04 08:19:18,450 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-04-04 08:19:18,450 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-04-04 08:19:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 08:19:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 08:19:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 08:19:18,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 08:19:18,452 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 08:19:18,564 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 08:19:18,565 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 08:19:18,679 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 08:19:18,687 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 08:19:18,687 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-04 08:19:18,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 08:19:18 BoogieIcfgContainer [2024-04-04 08:19:18,688 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 08:19:18,690 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 08:19:18,690 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 08:19:18,692 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 08:19:18,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 08:19:17" (1/3) ... [2024-04-04 08:19:18,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158b8ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 08:19:18, skipping insertion in model container [2024-04-04 08:19:18,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:19:18" (2/3) ... [2024-04-04 08:19:18,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158b8ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 08:19:18, skipping insertion in model container [2024-04-04 08:19:18,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 08:19:18" (3/3) ... [2024-04-04 08:19:18,694 INFO L112 eAbstractionObserver]: Analyzing ICFG safe017_tso.i [2024-04-04 08:19:18,700 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 08:19:18,706 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 08:19:18,707 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 08:19:18,707 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 08:19:18,776 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-04-04 08:19:18,806 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 08:19:18,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 08:19:18,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:19:18,809 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) [2024-04-04 08:19:18,812 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 [2024-04-04 08:19:18,854 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 08:19:18,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:19:18,904 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 08:19:18,911 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;@13cbe70c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=2, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 08:19:18,911 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-04 08:19:19,008 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)] === [2024-04-04 08:19:19,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:19:19,010 INFO L85 PathProgramCache]: Analyzing trace with hash 41571435, now seen corresponding path program 1 times [2024-04-04 08:19:19,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:19:19,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351938487] [2024-04-04 08:19:19,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:19:19,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:19:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:19:19,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 08:19:19,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:19:19,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351938487] [2024-04-04 08:19:19,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351938487] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 08:19:19,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 08:19:19,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 08:19:19,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644349191] [2024-04-04 08:19:19,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 08:19:19,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 08:19:19,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:19:19,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 08:19:19,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 08:19:19,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:19:19,280 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:19:19,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 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) [2024-04-04 08:19:19,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:19:19,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:19:19,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 08:19:19,323 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)] === [2024-04-04 08:19:19,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:19:19,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1957670217, now seen corresponding path program 1 times [2024-04-04 08:19:19,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:19:19,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15132540] [2024-04-04 08:19:19,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:19:19,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:19:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:19:19,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 08:19:19,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:19:19,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15132540] [2024-04-04 08:19:19,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15132540] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 08:19:19,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 08:19:19,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 08:19:19,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607846893] [2024-04-04 08:19:19,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 08:19:19,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 08:19:19,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:19:19,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 08:19:19,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-04-04 08:19:19,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:19:19,683 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:19:19,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 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) [2024-04-04 08:19:19,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:19:19,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:19:19,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:19:19,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 08:19:19,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 08:19:19,895 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)] === [2024-04-04 08:19:19,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:19:19,896 INFO L85 PathProgramCache]: Analyzing trace with hash 449143306, now seen corresponding path program 1 times [2024-04-04 08:19:19,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:19:19,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695559432] [2024-04-04 08:19:19,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:19:19,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:19:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:19:20,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 08:19:20,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:19:20,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695559432] [2024-04-04 08:19:20,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695559432] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 08:19:20,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 08:19:20,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-04 08:19:20,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755049885] [2024-04-04 08:19:20,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 08:19:20,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-04 08:19:20,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:19:20,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-04 08:19:20,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-04-04 08:19:20,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:19:20,158 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:19:20,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 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) [2024-04-04 08:19:20,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:19:20,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 08:19:20,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:19:20,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:19:20,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 08:19:20,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 08:19:20,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-04 08:19:20,300 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)] === [2024-04-04 08:19:20,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:19:20,300 INFO L85 PathProgramCache]: Analyzing trace with hash 878826603, now seen corresponding path program 1 times [2024-04-04 08:19:20,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:19:20,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279935045] [2024-04-04 08:19:20,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:19:20,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:19:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:19:20,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 08:19:20,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:19:20,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279935045] [2024-04-04 08:19:20,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279935045] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 08:19:20,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 08:19:20,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 08:19:20,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938072982] [2024-04-04 08:19:20,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 08:19:20,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 08:19:20,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:19:20,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 08:19:20,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-04-04 08:19:20,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:19:20,445 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:19:20,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 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) [2024-04-04 08:19:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:19:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 08:19:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 08:19:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:19:21,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:19:21,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 08:19:21,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 08:19:21,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 08:19:21,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-04 08:19:21,060 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)] === [2024-04-04 08:19:21,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:19:21,060 INFO L85 PathProgramCache]: Analyzing trace with hash -211093587, now seen corresponding path program 2 times [2024-04-04 08:19:21,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:19:21,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637346858] [2024-04-04 08:19:21,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:19:21,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:19:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:19:21,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 08:19:21,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:19:21,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637346858] [2024-04-04 08:19:21,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637346858] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 08:19:21,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 08:19:21,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-04 08:19:21,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619717211] [2024-04-04 08:19:21,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 08:19:21,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-04 08:19:21,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:19:21,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-04 08:19:21,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-04-04 08:19:21,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:19:21,231 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:19:21,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 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) [2024-04-04 08:19:21,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:19:21,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 08:19:21,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 08:19:21,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 08:19:21,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:19:22,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:19:22,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 08:19:22,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 08:19:22,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 08:19:22,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 08:19:22,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-04 08:19:22,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-04 08:19:22,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-04 08:19:22,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-04 08:19:22,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-04 08:19:22,062 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-04-04 08:19:22,064 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 08:19:22,064 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 08:19:22,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 08:19:22 BasicIcfg [2024-04-04 08:19:22,067 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 08:19:22,067 INFO L158 Benchmark]: Toolchain (without parser) took 4291.27ms. Allocated memory was 302.0MB in the beginning and 445.6MB in the end (delta: 143.7MB). Free memory was 269.0MB in the beginning and 303.3MB in the end (delta: -34.2MB). Peak memory consumption was 246.3MB. Max. memory is 8.0GB. [2024-04-04 08:19:22,067 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 180.4MB. Free memory is still 147.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 08:19:22,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.34ms. Allocated memory is still 302.0MB. Free memory was 269.0MB in the beginning and 248.6MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-04-04 08:19:22,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.69ms. Allocated memory is still 302.0MB. Free memory was 248.6MB in the beginning and 270.2MB in the end (delta: -21.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-04-04 08:19:22,068 INFO L158 Benchmark]: Boogie Preprocessor took 49.00ms. Allocated memory is still 302.0MB. Free memory was 270.2MB in the beginning and 268.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-04 08:19:22,068 INFO L158 Benchmark]: RCFGBuilder took 319.99ms. Allocated memory is still 302.0MB. Free memory was 268.7MB in the beginning and 254.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-04-04 08:19:22,069 INFO L158 Benchmark]: TraceAbstraction took 3376.73ms. Allocated memory was 302.0MB in the beginning and 445.6MB in the end (delta: 143.7MB). Free memory was 252.4MB in the beginning and 303.3MB in the end (delta: -50.8MB). Peak memory consumption was 230.7MB. Max. memory is 8.0GB. [2024-04-04 08:19:22,070 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 180.4MB. Free memory is still 147.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 434.34ms. Allocated memory is still 302.0MB. Free memory was 269.0MB in the beginning and 248.6MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 106.69ms. Allocated memory is still 302.0MB. Free memory was 248.6MB in the beginning and 270.2MB in the end (delta: -21.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 49.00ms. Allocated memory is still 302.0MB. Free memory was 270.2MB in the beginning and 268.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 319.99ms. Allocated memory is still 302.0MB. Free memory was 268.7MB in the beginning and 254.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 3376.73ms. Allocated memory was 302.0MB in the beginning and 445.6MB in the end (delta: 143.7MB). Free memory was 252.4MB in the beginning and 303.3MB in the end (delta: -50.8MB). Peak memory consumption was 230.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 107821, independent: 106711, independent conditional: 106496, independent unconditional: 215, dependent: 1110, dependent conditional: 1105, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 107590, independent: 106711, independent conditional: 106496, independent unconditional: 215, dependent: 879, dependent conditional: 878, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 107590, independent: 106711, independent conditional: 106496, independent unconditional: 215, dependent: 879, dependent conditional: 878, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 107590, independent: 106711, independent conditional: 106496, independent unconditional: 215, dependent: 879, dependent conditional: 878, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 111619, independent: 106711, independent conditional: 4968, independent unconditional: 101743, dependent: 4908, dependent conditional: 2548, dependent unconditional: 2360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 111619, independent: 106711, independent conditional: 1874, independent unconditional: 104837, dependent: 4908, dependent conditional: 220, dependent unconditional: 4688, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 111619, independent: 106711, independent conditional: 1874, independent unconditional: 104837, dependent: 4908, dependent conditional: 220, dependent unconditional: 4688, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 756, independent: 738, independent conditional: 17, independent unconditional: 721, dependent: 18, dependent conditional: 6, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 756, independent: 724, independent conditional: 0, independent unconditional: 724, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 32, independent: 14, independent conditional: 10, independent unconditional: 4, dependent: 18, dependent conditional: 6, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, independent: 14, independent conditional: 10, independent unconditional: 4, dependent: 18, dependent conditional: 6, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 72, independent: 20, independent conditional: 14, independent unconditional: 5, dependent: 52, dependent conditional: 11, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 111619, independent: 105973, independent conditional: 1857, independent unconditional: 104116, dependent: 4890, dependent conditional: 214, dependent unconditional: 4676, unknown: 756, unknown conditional: 23, unknown unconditional: 733] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 738, Positive conditional cache size: 17, Positive unconditional cache size: 721, Negative cache size: 18, Negative conditional cache size: 6, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5422, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 111619, independent: 106711, independent conditional: 4968, independent unconditional: 101743, dependent: 4908, dependent conditional: 2548, dependent unconditional: 2360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 111619, independent: 106711, independent conditional: 1874, independent unconditional: 104837, dependent: 4908, dependent conditional: 220, dependent unconditional: 4688, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 111619, independent: 106711, independent conditional: 1874, independent unconditional: 104837, dependent: 4908, dependent conditional: 220, dependent unconditional: 4688, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 756, independent: 738, independent conditional: 17, independent unconditional: 721, dependent: 18, dependent conditional: 6, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 756, independent: 724, independent conditional: 0, independent unconditional: 724, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 32, independent: 14, independent conditional: 10, independent unconditional: 4, dependent: 18, dependent conditional: 6, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, independent: 14, independent conditional: 10, independent unconditional: 4, dependent: 18, dependent conditional: 6, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 72, independent: 20, independent conditional: 14, independent unconditional: 5, dependent: 52, dependent conditional: 11, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 111619, independent: 105973, independent conditional: 1857, independent unconditional: 104116, dependent: 4890, dependent conditional: 214, dependent unconditional: 4676, unknown: 756, unknown conditional: 23, unknown unconditional: 733] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 738, Positive conditional cache size: 17, Positive unconditional cache size: 721, Negative cache size: 18, Negative conditional cache size: 6, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5422 ], Independence queries for same thread: 231 - 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, 114 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.9s, 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: 40, 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, 0.9s InterpolantComputationTime, 323 NumberOfCodeBlocks, 323 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 318 ConstructedInterpolants, 0 QuantifiedInterpolants, 770 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! [2024-04-04 08:19:22,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-04-04 08:19:22,291 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...