/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 DEFAULT --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/safe018_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 10:44:30,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 10:44:30,723 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 10:44:30,728 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 10:44:30,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 10:44:30,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 10:44:30,752 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 10:44:30,752 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 10:44:30,753 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 10:44:30,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 10:44:30,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 10:44:30,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 10:44:30,757 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 10:44:30,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 10:44:30,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 10:44:30,758 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 10:44:30,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 10:44:30,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 10:44:30,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 10:44:30,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 10:44:30,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 10:44:30,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 10:44:30,761 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 10:44:30,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 10:44:30,762 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 10:44:30,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 10:44:30,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 10:44:30,762 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 10:44:30,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 10:44:30,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 10:44:30,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 10:44:30,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 10:44:30,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 10:44:30,764 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 10:44:30,765 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 10:44:30,765 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 10:44:30,765 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 10:44:30,765 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 10:44:30,782 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 10:44:30,782 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 2 [2024-04-05 10:44:31,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 10:44:31,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 10:44:31,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 10:44:31,064 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 10:44:31,064 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 10:44:31,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_rmo.opt.i [2024-04-05 10:44:32,364 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 10:44:32,613 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 10:44:32,613 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_rmo.opt.i [2024-04-05 10:44:32,628 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/98db5c4d0/e5b1fd2a25b34701ad8dcf235a5813c7/FLAG6c771e4bd [2024-04-05 10:44:32,641 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/98db5c4d0/e5b1fd2a25b34701ad8dcf235a5813c7 [2024-04-05 10:44:32,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 10:44:32,644 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 10:44:32,645 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 10:44:32,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 10:44:32,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 10:44:32,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 10:44:32" (1/1) ... [2024-04-05 10:44:32,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a470d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:44:32, skipping insertion in model container [2024-04-05 10:44:32,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 10:44:32" (1/1) ... [2024-04-05 10:44:32,691 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 10:44:32,838 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/safe018_rmo.opt.i[992,1005] [2024-04-05 10:44:33,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 10:44:33,036 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 10:44:33,051 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/safe018_rmo.opt.i[992,1005] [2024-04-05 10:44:33,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 10:44:33,142 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 10:44:33,144 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 10:44:33,151 INFO L206 MainTranslator]: Completed translation [2024-04-05 10:44:33,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:44:33 WrapperNode [2024-04-05 10:44:33,151 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 10:44:33,153 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 10:44:33,153 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 10:44:33,153 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 10:44:33,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:44:33" (1/1) ... [2024-04-05 10:44:33,188 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:44:33" (1/1) ... [2024-04-05 10:44:33,219 INFO L138 Inliner]: procedures = 176, calls = 73, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 136 [2024-04-05 10:44:33,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 10:44:33,220 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 10:44:33,220 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 10:44:33,220 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 10:44:33,234 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:44:33" (1/1) ... [2024-04-05 10:44:33,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:44:33" (1/1) ... [2024-04-05 10:44:33,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:44:33" (1/1) ... [2024-04-05 10:44:33,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:44:33" (1/1) ... [2024-04-05 10:44:33,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:44:33" (1/1) ... [2024-04-05 10:44:33,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:44:33" (1/1) ... [2024-04-05 10:44:33,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:44:33" (1/1) ... [2024-04-05 10:44:33,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:44:33" (1/1) ... [2024-04-05 10:44:33,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 10:44:33,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 10:44:33,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 10:44:33,269 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 10:44:33,270 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:44:33" (1/1) ... [2024-04-05 10:44:33,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 10:44:33,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 10:44:33,321 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) [2024-04-05 10:44:33,323 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 [2024-04-05 10:44:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 10:44:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 10:44:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 10:44:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 10:44:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 10:44:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 10:44:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-04-05 10:44:33,366 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-04-05 10:44:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-04-05 10:44:33,367 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-04-05 10:44:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-04-05 10:44:33,368 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-04-05 10:44:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 10:44:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 10:44:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 10:44:33,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 10:44:33,371 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 10:44:33,518 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 10:44:33,520 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 10:44:33,926 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 10:44:34,175 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 10:44:34,175 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-05 10:44:34,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 10:44:34 BoogieIcfgContainer [2024-04-05 10:44:34,177 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 10:44:34,179 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 10:44:34,180 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 10:44:34,183 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 10:44:34,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 10:44:32" (1/3) ... [2024-04-05 10:44:34,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26c6a080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 10:44:34, skipping insertion in model container [2024-04-05 10:44:34,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 10:44:33" (2/3) ... [2024-04-05 10:44:34,185 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26c6a080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 10:44:34, skipping insertion in model container [2024-04-05 10:44:34,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 10:44:34" (3/3) ... [2024-04-05 10:44:34,187 INFO L112 eAbstractionObserver]: Analyzing ICFG safe018_rmo.opt.i [2024-04-05 10:44:34,197 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 10:44:34,206 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 10:44:34,207 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 10:44:34,207 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 10:44:34,273 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-04-05 10:44:34,320 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 10:44:34,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 10:44:34,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 10:44:34,328 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) [2024-04-05 10:44:34,350 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 [2024-04-05 10:44:34,377 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 10:44:34,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 10:44:34,399 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 10:44:34,415 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;@6fb642e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=2, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-05 10:44:34,415 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-05 10:44:34,503 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)] === [2024-04-05 10:44:34,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 10:44:34,505 INFO L85 PathProgramCache]: Analyzing trace with hash -222018196, now seen corresponding path program 1 times [2024-04-05 10:44:34,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 10:44:34,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905769785] [2024-04-05 10:44:34,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 10:44:34,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 10:44:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 10:44:34,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 10:44:34,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 10:44:34,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905769785] [2024-04-05 10:44:34,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905769785] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 10:44:34,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 10:44:34,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 10:44:34,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005280752] [2024-04-05 10:44:34,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 10:44:34,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 10:44:34,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 10:44:34,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 10:44:34,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 10:44:34,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 10:44:34,977 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 10:44:34,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 51.0) internal successors, (102), 2 states have internal predecessors, (102), 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) [2024-04-05 10:44:34,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 10:44:35,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 10:44:35,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 10:44:35,065 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)] === [2024-04-05 10:44:35,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 10:44:35,066 INFO L85 PathProgramCache]: Analyzing trace with hash 419095714, now seen corresponding path program 1 times [2024-04-05 10:44:35,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 10:44:35,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594899776] [2024-04-05 10:44:35,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 10:44:35,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 10:44:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 10:44:35,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 10:44:35,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 10:44:35,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594899776] [2024-04-05 10:44:35,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594899776] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 10:44:35,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 10:44:35,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-05 10:44:35,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315747166] [2024-04-05 10:44:35,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 10:44:35,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 10:44:35,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 10:44:35,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 10:44:35,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-04-05 10:44:35,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 10:44:35,867 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 10:44:35,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 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) [2024-04-05 10:44:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 10:44:35,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 10:44:41,238 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 10:44:41,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 41 [2024-04-05 10:44:41,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-04-05 10:44:41,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-04-05 10:44:41,305 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 10:44:41,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 62 [2024-04-05 10:44:41,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-04-05 10:44:42,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-04-05 10:44:42,347 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 10:44:42,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 68 [2024-04-05 10:44:42,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-04-05 10:44:42,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2024-04-05 10:44:42,466 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 10:44:42,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 41 [2024-04-05 10:44:42,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-04-05 10:44:42,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-04-05 10:44:42,745 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 10:44:42,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 41 [2024-04-05 10:44:42,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-04-05 10:44:42,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-04-05 10:44:42,804 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 10:44:42,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 69 [2024-04-05 10:44:43,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-04-05 10:44:43,342 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 10:44:43,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 75 [2024-04-05 10:44:43,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2024-04-05 10:44:43,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-04-05 10:44:43,452 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 10:44:43,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 41 [2024-04-05 10:44:43,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-04-05 10:44:44,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-04-05 10:44:44,094 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 10:44:44,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 68 [2024-04-05 10:44:44,150 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 10:44:44,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 41 [2024-04-05 10:44:44,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-04-05 10:44:44,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-04-05 10:44:44,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1077780973, now seen corresponding path program 1 times [2024-04-05 10:44:44,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 10:44:44,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 10:44:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 10:44:44,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 10:44:44,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 10:44:44,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 10:44:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 10:44:44,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 10:44:44,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-05 10:44:44,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-04-05 10:44:45,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-04-05 10:44:45,384 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@7795af9c at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.isInductive(MonolithicHoareTripleChecker.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.isInductive(MonolithicHoareTripleChecker.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.checkInternal(MonolithicHoareTripleChecker.java:83) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor2(BasicAbstractInterpolantAutomaton.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:73) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.LoopLockstepOrder$WrapperAutomaton.internalSuccessors(LoopLockstepOrder.java:196) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.LoopLockstepOrder$WrapperAutomaton.internalSuccessors(LoopLockstepOrder.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.MinimalSleepSetReduction.internalSuccessors(MinimalSleepSetReduction.java:169) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$0(INwaOutgoingLetterAndTransitionProvider.java:123) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.nextLetter(NestedIterator.java:69) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.(NestedIterator.java:62) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIteratorNoopConstruction.(NestedIteratorNoopConstruction.java:48) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$1(INwaOutgoingLetterAndTransitionProvider.java:124) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCheckerVisitor.discoverState(ConditionalCommutativityCheckerVisitor.java:173) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCheckerVisitor.discoverState(ConditionalCommutativityCheckerVisitor.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.visitors.DeadEndOptimizingSearchVisitor.discoverState(DeadEndOptimizingSearchVisitor.java:73) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:222) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:165) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:98) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:122) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:329) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:362) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:466) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-04-05 10:44:45,389 INFO L158 Benchmark]: Toolchain (without parser) took 12744.87ms. Allocated memory was 274.7MB in the beginning and 513.8MB in the end (delta: 239.1MB). Free memory was 201.2MB in the beginning and 218.3MB in the end (delta: -17.1MB). Peak memory consumption was 222.8MB. Max. memory is 8.0GB. [2024-04-05 10:44:45,389 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 274.7MB. Free memory is still 240.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 10:44:45,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.03ms. Allocated memory is still 274.7MB. Free memory was 201.0MB in the beginning and 176.3MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2024-04-05 10:44:45,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.43ms. Allocated memory is still 274.7MB. Free memory was 176.3MB in the beginning and 173.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 10:44:45,390 INFO L158 Benchmark]: Boogie Preprocessor took 45.93ms. Allocated memory is still 274.7MB. Free memory was 173.7MB in the beginning and 171.3MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-05 10:44:45,390 INFO L158 Benchmark]: RCFGBuilder took 908.87ms. Allocated memory is still 274.7MB. Free memory was 171.3MB in the beginning and 175.3MB in the end (delta: -4.0MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. [2024-04-05 10:44:45,391 INFO L158 Benchmark]: TraceAbstraction took 11208.69ms. Allocated memory was 274.7MB in the beginning and 513.8MB in the end (delta: 239.1MB). Free memory was 173.8MB in the beginning and 218.3MB in the end (delta: -44.5MB). Peak memory consumption was 194.0MB. Max. memory is 8.0GB. [2024-04-05 10:44:45,392 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 274.7MB. Free memory is still 240.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 507.03ms. Allocated memory is still 274.7MB. Free memory was 201.0MB in the beginning and 176.3MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.43ms. Allocated memory is still 274.7MB. Free memory was 176.3MB in the beginning and 173.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.93ms. Allocated memory is still 274.7MB. Free memory was 173.7MB in the beginning and 171.3MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 908.87ms. Allocated memory is still 274.7MB. Free memory was 171.3MB in the beginning and 175.3MB in the end (delta: -4.0MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. * TraceAbstraction took 11208.69ms. Allocated memory was 274.7MB in the beginning and 513.8MB in the end (delta: 239.1MB). Free memory was 173.8MB in the beginning and 218.3MB in the end (delta: -44.5MB). Peak memory consumption was 194.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@7795af9c de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@7795af9c: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-04-05 10:44:45,412 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 [2024-04-05 10:44:45,611 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...