/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.positions.where.we.compute.the.hoare.annotation All --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false -i ../../../trunk/examples/svcomp/pthread/lazy01.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 00:03:20,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 00:03:20,189 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2025-03-15 00:03:20,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 00:03:20,220 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 00:03:20,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 00:03:20,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 00:03:20,220 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 00:03:20,220 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 00:03:20,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 00:03:20,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 00:03:20,221 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 00:03:20,221 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 00:03:20,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 00:03:20,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 00:03:20,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 00:03:20,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 00:03:20,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 00:03:20,221 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 00:03:20,221 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 00:03:20,221 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 00:03:20,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 00:03:20,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 00:03:20,221 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 00:03:20,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 00:03:20,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:03:20,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 00:03:20,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 00:03:20,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 00:03:20,224 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 00:03:20,224 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 00:03:20,224 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 00:03:20,224 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2025-03-15 00:03:20,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 00:03:20,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 00:03:20,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 00:03:20,494 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 00:03:20,494 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 00:03:20,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/lazy01.i [2025-03-15 00:03:21,742 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c88803f8/5e46cdbf9e8f416b9b5fce9f086c2d5a/FLAG33be3e8fa [2025-03-15 00:03:22,024 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 00:03:22,025 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i [2025-03-15 00:03:22,042 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c88803f8/5e46cdbf9e8f416b9b5fce9f086c2d5a/FLAG33be3e8fa [2025-03-15 00:03:22,339 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c88803f8/5e46cdbf9e8f416b9b5fce9f086c2d5a [2025-03-15 00:03:22,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 00:03:22,342 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 00:03:22,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 00:03:22,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 00:03:22,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 00:03:22,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:03:22" (1/1) ... [2025-03-15 00:03:22,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4544e253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:22, skipping insertion in model container [2025-03-15 00:03:22,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:03:22" (1/1) ... [2025-03-15 00:03:22,366 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 00:03:22,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:03:22,646 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 00:03:22,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:03:22,706 INFO L204 MainTranslator]: Completed translation [2025-03-15 00:03:22,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:22 WrapperNode [2025-03-15 00:03:22,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 00:03:22,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 00:03:22,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 00:03:22,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 00:03:22,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:22" (1/1) ... [2025-03-15 00:03:22,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:22" (1/1) ... [2025-03-15 00:03:22,739 INFO L138 Inliner]: procedures = 169, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2025-03-15 00:03:22,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 00:03:22,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 00:03:22,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 00:03:22,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 00:03:22,745 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:22" (1/1) ... [2025-03-15 00:03:22,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:22" (1/1) ... [2025-03-15 00:03:22,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:22" (1/1) ... [2025-03-15 00:03:22,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:22" (1/1) ... [2025-03-15 00:03:22,754 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:22" (1/1) ... [2025-03-15 00:03:22,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:22" (1/1) ... [2025-03-15 00:03:22,759 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:22" (1/1) ... [2025-03-15 00:03:22,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:22" (1/1) ... [2025-03-15 00:03:22,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:22" (1/1) ... [2025-03-15 00:03:22,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 00:03:22,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 00:03:22,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 00:03:22,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 00:03:22,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:22" (1/1) ... [2025-03-15 00:03:22,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:03:22,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 00:03:22,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-03-15 00:03:22,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-03-15 00:03:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-15 00:03:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-15 00:03:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-15 00:03:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-15 00:03:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-15 00:03:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-15 00:03:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 00:03:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 00:03:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 00:03:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 00:03:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 00:03:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 00:03:22,827 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-15 00:03:22,934 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 00:03:22,936 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 00:03:23,078 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 00:03:23,078 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 00:03:23,106 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 00:03:23,114 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 00:03:23,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:03:23 BoogieIcfgContainer [2025-03-15 00:03:23,115 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 00:03:23,117 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 00:03:23,117 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 00:03:23,120 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 00:03:23,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 12:03:22" (1/3) ... [2025-03-15 00:03:23,121 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b043a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:03:23, skipping insertion in model container [2025-03-15 00:03:23,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:03:22" (2/3) ... [2025-03-15 00:03:23,121 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b043a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:03:23, skipping insertion in model container [2025-03-15 00:03:23,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:03:23" (3/3) ... [2025-03-15 00:03:23,123 INFO L128 eAbstractionObserver]: Analyzing ICFG lazy01.i [2025-03-15 00:03:23,133 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 00:03:23,135 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG lazy01.i that has 4 procedures, 99 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2025-03-15 00:03:23,136 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 00:03:23,196 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-15 00:03:23,231 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 00:03:23,241 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@14e3ce6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 00:03:23,241 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-03-15 00:03:23,268 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 00:03:23,268 INFO L124 PetriNetUnfolderBase]: 0/33 cut-off events. [2025-03-15 00:03:23,269 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 00:03:23,269 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:03:23,271 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:03:23,272 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-03-15 00:03:23,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:03:23,277 INFO L85 PathProgramCache]: Analyzing trace with hash -975949178, now seen corresponding path program 1 times [2025-03-15 00:03:23,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:03:23,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872794168] [2025-03-15 00:03:23,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:03:23,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:03:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:03:23,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 00:03:23,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:03:23,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872794168] [2025-03-15 00:03:23,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872794168] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:03:23,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:03:23,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:03:23,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578116624] [2025-03-15 00:03:23,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:03:23,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:03:23,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:03:23,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:03:23,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:03:23,541 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 100 [2025-03-15 00:03:23,545 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 100 transitions, 221 flow. Second operand has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 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) [2025-03-15 00:03:23,545 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:03:23,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 100 [2025-03-15 00:03:23,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:03:24,081 INFO L124 PetriNetUnfolderBase]: 1233/3220 cut-off events. [2025-03-15 00:03:24,081 INFO L125 PetriNetUnfolderBase]: For 389/389 co-relation queries the response was YES. [2025-03-15 00:03:24,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5576 conditions, 3220 events. 1233/3220 cut-off events. For 389/389 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 27101 event pairs, 441 based on Foata normal form. 296/3018 useless extension candidates. Maximal degree in co-relation 4843. Up to 1040 conditions per place. [2025-03-15 00:03:24,127 INFO L140 encePairwiseOnDemand]: 87/100 looper letters, 39 selfloop transitions, 8 changer transitions 7/116 dead transitions. [2025-03-15 00:03:24,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 116 transitions, 365 flow [2025-03-15 00:03:24,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:03:24,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:03:24,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 267 transitions. [2025-03-15 00:03:24,143 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.89 [2025-03-15 00:03:24,147 INFO L298 CegarLoopForPetriNet]: 108 programPoint places, -3 predicate places. [2025-03-15 00:03:24,148 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 116 transitions, 365 flow [2025-03-15 00:03:24,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 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) [2025-03-15 00:03:24,148 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:03:24,148 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:03:24,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 00:03:24,149 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-03-15 00:03:24,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:03:24,150 INFO L85 PathProgramCache]: Analyzing trace with hash 79150150, now seen corresponding path program 1 times [2025-03-15 00:03:24,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:03:24,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965113355] [2025-03-15 00:03:24,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:03:24,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:03:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:03:24,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 00:03:24,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:03:24,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965113355] [2025-03-15 00:03:24,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965113355] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:03:24,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:03:24,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:03:24,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422754571] [2025-03-15 00:03:24,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:03:24,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:03:24,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:03:24,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:03:24,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:03:24,260 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 100 [2025-03-15 00:03:24,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 116 transitions, 365 flow. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 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) [2025-03-15 00:03:24,263 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:03:24,263 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 100 [2025-03-15 00:03:24,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:03:24,703 INFO L124 PetriNetUnfolderBase]: 1637/4152 cut-off events. [2025-03-15 00:03:24,703 INFO L125 PetriNetUnfolderBase]: For 1060/1404 co-relation queries the response was YES. [2025-03-15 00:03:24,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9709 conditions, 4152 events. 1637/4152 cut-off events. For 1060/1404 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 36560 event pairs, 496 based on Foata normal form. 27/3637 useless extension candidates. Maximal degree in co-relation 9516. Up to 2252 conditions per place. [2025-03-15 00:03:24,731 INFO L140 encePairwiseOnDemand]: 93/100 looper letters, 66 selfloop transitions, 11 changer transitions 9/146 dead transitions. [2025-03-15 00:03:24,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 146 transitions, 656 flow [2025-03-15 00:03:24,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:03:24,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:03:24,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 251 transitions. [2025-03-15 00:03:24,734 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8366666666666667 [2025-03-15 00:03:24,734 INFO L298 CegarLoopForPetriNet]: 108 programPoint places, -1 predicate places. [2025-03-15 00:03:24,734 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 146 transitions, 656 flow [2025-03-15 00:03:24,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 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) [2025-03-15 00:03:24,735 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:03:24,735 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:03:24,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 00:03:24,735 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-03-15 00:03:24,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:03:24,735 INFO L85 PathProgramCache]: Analyzing trace with hash -202221927, now seen corresponding path program 1 times [2025-03-15 00:03:24,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:03:24,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353493897] [2025-03-15 00:03:24,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:03:24,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:03:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:03:24,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 00:03:24,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:03:24,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353493897] [2025-03-15 00:03:24,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353493897] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:03:24,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:03:24,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:03:24,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377006009] [2025-03-15 00:03:24,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:03:24,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:03:24,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:03:24,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:03:24,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:03:24,801 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 100 [2025-03-15 00:03:24,801 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 146 transitions, 656 flow. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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) [2025-03-15 00:03:24,801 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:03:24,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 100 [2025-03-15 00:03:24,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:03:25,381 INFO L124 PetriNetUnfolderBase]: 2160/5388 cut-off events. [2025-03-15 00:03:25,381 INFO L125 PetriNetUnfolderBase]: For 3095/3708 co-relation queries the response was YES. [2025-03-15 00:03:25,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15385 conditions, 5388 events. 2160/5388 cut-off events. For 3095/3708 co-relation queries the response was YES. Maximal size of possible extension queue 283. Compared 49296 event pairs, 533 based on Foata normal form. 47/4914 useless extension candidates. Maximal degree in co-relation 13735. Up to 2662 conditions per place. [2025-03-15 00:03:25,422 INFO L140 encePairwiseOnDemand]: 93/100 looper letters, 95 selfloop transitions, 15 changer transitions 18/189 dead transitions. [2025-03-15 00:03:25,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 189 transitions, 1173 flow [2025-03-15 00:03:25,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:03:25,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:03:25,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 251 transitions. [2025-03-15 00:03:25,425 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8366666666666667 [2025-03-15 00:03:25,426 INFO L298 CegarLoopForPetriNet]: 108 programPoint places, 1 predicate places. [2025-03-15 00:03:25,426 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 189 transitions, 1173 flow [2025-03-15 00:03:25,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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) [2025-03-15 00:03:25,427 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:03:25,427 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:03:25,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 00:03:25,427 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-03-15 00:03:25,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:03:25,428 INFO L85 PathProgramCache]: Analyzing trace with hash -299741824, now seen corresponding path program 1 times [2025-03-15 00:03:25,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:03:25,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975362311] [2025-03-15 00:03:25,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:03:25,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:03:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:03:25,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 00:03:25,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:03:25,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975362311] [2025-03-15 00:03:25,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975362311] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:03:25,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:03:25,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 00:03:25,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085740529] [2025-03-15 00:03:25,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:03:25,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:03:25,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:03:25,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:03:25,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:03:25,631 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 100 [2025-03-15 00:03:25,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 189 transitions, 1173 flow. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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) [2025-03-15 00:03:25,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:03:25,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 100 [2025-03-15 00:03:25,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:03:25,707 INFO L124 PetriNetUnfolderBase]: 74/428 cut-off events. [2025-03-15 00:03:25,707 INFO L125 PetriNetUnfolderBase]: For 1100/1290 co-relation queries the response was YES. [2025-03-15 00:03:25,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1319 conditions, 428 events. 74/428 cut-off events. For 1100/1290 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2330 event pairs, 14 based on Foata normal form. 93/508 useless extension candidates. Maximal degree in co-relation 898. Up to 196 conditions per place. [2025-03-15 00:03:25,709 INFO L140 encePairwiseOnDemand]: 94/100 looper letters, 0 selfloop transitions, 0 changer transitions 107/107 dead transitions. [2025-03-15 00:03:25,709 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 107 transitions, 603 flow [2025-03-15 00:03:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:03:25,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:03:25,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 260 transitions. [2025-03-15 00:03:25,710 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2025-03-15 00:03:25,711 INFO L298 CegarLoopForPetriNet]: 108 programPoint places, -2 predicate places. [2025-03-15 00:03:25,711 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 107 transitions, 603 flow [2025-03-15 00:03:25,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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) [2025-03-15 00:03:25,717 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/lazy01.i_petrified1_AllErrorsAtOnce [2025-03-15 00:03:25,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2025-03-15 00:03:25,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2025-03-15 00:03:25,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2025-03-15 00:03:25,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2025-03-15 00:03:25,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2025-03-15 00:03:25,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 13 remaining) [2025-03-15 00:03:25,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 13 remaining) [2025-03-15 00:03:25,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 13 remaining) [2025-03-15 00:03:25,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2025-03-15 00:03:25,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2025-03-15 00:03:25,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2025-03-15 00:03:25,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2025-03-15 00:03:25,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2025-03-15 00:03:25,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 00:03:25,740 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-15 00:03:25,744 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 00:03:25,744 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 00:03:25,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 12:03:25 BasicIcfg [2025-03-15 00:03:25,765 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 00:03:25,766 INFO L158 Benchmark]: Toolchain (without parser) took 3423.11ms. Allocated memory was 71.3MB in the beginning and 323.0MB in the end (delta: 251.7MB). Free memory was 42.2MB in the beginning and 127.5MB in the end (delta: -85.3MB). Peak memory consumption was 165.9MB. Max. memory is 8.0GB. [2025-03-15 00:03:25,766 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:03:25,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.21ms. Allocated memory is still 71.3MB. Free memory was 42.0MB in the beginning and 22.4MB in the end (delta: 19.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-03-15 00:03:25,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.42ms. Allocated memory is still 71.3MB. Free memory was 22.4MB in the beginning and 20.7MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 00:03:25,766 INFO L158 Benchmark]: Boogie Preprocessor took 22.41ms. Allocated memory is still 71.3MB. Free memory was 20.7MB in the beginning and 19.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:03:25,766 INFO L158 Benchmark]: RCFGBuilder took 351.51ms. Allocated memory is still 71.3MB. Free memory was 19.6MB in the beginning and 31.8MB in the end (delta: -12.3MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. [2025-03-15 00:03:25,767 INFO L158 Benchmark]: TraceAbstraction took 2648.07ms. Allocated memory was 71.3MB in the beginning and 323.0MB in the end (delta: 251.7MB). Free memory was 31.0MB in the beginning and 127.5MB in the end (delta: -96.5MB). Peak memory consumption was 154.9MB. Max. memory is 8.0GB. [2025-03-15 00:03:25,768 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 364.21ms. Allocated memory is still 71.3MB. Free memory was 42.0MB in the beginning and 22.4MB in the end (delta: 19.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.42ms. Allocated memory is still 71.3MB. Free memory was 22.4MB in the beginning and 20.7MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.41ms. Allocated memory is still 71.3MB. Free memory was 20.7MB in the beginning and 19.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 351.51ms. Allocated memory is still 71.3MB. Free memory was 19.6MB in the beginning and 31.8MB in the end (delta: -12.3MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. * TraceAbstraction took 2648.07ms. Allocated memory was 71.3MB in the beginning and 323.0MB in the end (delta: 251.7MB). Free memory was 31.0MB in the beginning and 127.5MB in the end (delta: -96.5MB). Peak memory consumption was 154.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 721]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 155 locations, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 188 IncrementalHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 57 mSDtfsCounter, 188 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1173occurred in iteration=3, InterpolantAutomatonStates: 12, 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, 0.4s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 00:03:25,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...