/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-lit/qw2004-2b.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 00:19:20,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 00:19:20,974 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 00:19:21,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 00:19:21,007 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 00:19:21,007 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 00:19:21,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 00:19:21,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 00:19:21,007 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 00:19:21,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 00:19:21,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 00:19:21,008 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 00:19:21,008 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 00:19:21,009 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 00:19:21,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 00:19:21,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 00:19:21,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 00:19:21,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 00:19:21,009 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 00:19:21,009 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 00:19:21,009 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 00:19:21,010 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 00:19:21,010 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 00:19:21,010 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 00:19:21,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 00:19:21,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:19:21,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 00:19:21,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 00:19:21,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 00:19:21,010 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 00:19:21,010 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 00:19:21,010 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 00:19:21,010 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 00:19:21,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 00:19:21,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 00:19:21,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 00:19:21,273 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 00:19:21,273 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 00:19:21,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/qw2004-2b.i [2025-03-15 00:19:22,557 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/998346bbc/9b1776c2ae1d4c4eb9e024f7d4f978cc/FLAG665d5ddc3 [2025-03-15 00:19:22,762 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 00:19:22,763 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2b.i [2025-03-15 00:19:22,773 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/998346bbc/9b1776c2ae1d4c4eb9e024f7d4f978cc/FLAG665d5ddc3 [2025-03-15 00:19:22,783 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/998346bbc/9b1776c2ae1d4c4eb9e024f7d4f978cc [2025-03-15 00:19:22,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 00:19:22,786 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 00:19:22,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 00:19:22,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 00:19:22,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 00:19:22,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:19:22" (1/1) ... [2025-03-15 00:19:22,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76261dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:22, skipping insertion in model container [2025-03-15 00:19:22,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:19:22" (1/1) ... [2025-03-15 00:19:22,811 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 00:19:23,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:19:23,082 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 00:19:23,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:19:23,161 INFO L204 MainTranslator]: Completed translation [2025-03-15 00:19:23,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:23 WrapperNode [2025-03-15 00:19:23,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 00:19:23,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 00:19:23,163 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 00:19:23,163 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 00:19:23,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:23" (1/1) ... [2025-03-15 00:19:23,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:23" (1/1) ... [2025-03-15 00:19:23,202 INFO L138 Inliner]: procedures = 174, calls = 33, calls flagged for inlining = 10, calls inlined = 11, statements flattened = 176 [2025-03-15 00:19:23,204 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 00:19:23,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 00:19:23,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 00:19:23,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 00:19:23,209 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:23" (1/1) ... [2025-03-15 00:19:23,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:23" (1/1) ... [2025-03-15 00:19:23,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:23" (1/1) ... [2025-03-15 00:19:23,211 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:23" (1/1) ... [2025-03-15 00:19:23,214 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:23" (1/1) ... [2025-03-15 00:19:23,215 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:23" (1/1) ... [2025-03-15 00:19:23,216 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:23" (1/1) ... [2025-03-15 00:19:23,217 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:23" (1/1) ... [2025-03-15 00:19:23,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:23" (1/1) ... [2025-03-15 00:19:23,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 00:19:23,220 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 00:19:23,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 00:19:23,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 00:19:23,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:23" (1/1) ... [2025-03-15 00:19:23,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:19:23,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 00:19:23,263 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 00:19:23,268 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 00:19:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2025-03-15 00:19:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2025-03-15 00:19:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 00:19:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 00:19:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 00:19:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 00:19:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 00:19:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 00:19:23,287 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 00:19:23,378 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 00:19:23,379 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 00:19:23,566 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 00:19:23,566 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 00:19:23,640 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 00:19:23,640 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 00:19:23,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:19:23 BoogieIcfgContainer [2025-03-15 00:19:23,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 00:19:23,643 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 00:19:23,643 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 00:19:23,647 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 00:19:23,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 12:19:22" (1/3) ... [2025-03-15 00:19:23,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e61d7e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:19:23, skipping insertion in model container [2025-03-15 00:19:23,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:23" (2/3) ... [2025-03-15 00:19:23,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e61d7e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:19:23, skipping insertion in model container [2025-03-15 00:19:23,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:19:23" (3/3) ... [2025-03-15 00:19:23,649 INFO L128 eAbstractionObserver]: Analyzing ICFG qw2004-2b.i [2025-03-15 00:19:23,660 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 00:19:23,662 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG qw2004-2b.i that has 2 procedures, 143 locations, 1 initial locations, 0 loop locations, and 19 error locations. [2025-03-15 00:19:23,662 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 00:19:23,706 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 00:19:23,751 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 00:19:23,764 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;@45abc50a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 00:19:23,764 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2025-03-15 00:19:23,782 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 00:19:23,782 INFO L124 PetriNetUnfolderBase]: 0/16 cut-off events. [2025-03-15 00:19:23,784 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 00:19:23,784 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:19:23,785 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:19:23,785 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-15 00:19:23,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:19:23,789 INFO L85 PathProgramCache]: Analyzing trace with hash -257862357, now seen corresponding path program 1 times [2025-03-15 00:19:23,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:19:23,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549323968] [2025-03-15 00:19:23,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:19:23,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:19:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:19:23,943 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 00:19:23,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:19:23,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549323968] [2025-03-15 00:19:23,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549323968] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:19:23,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:19:23,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:19:23,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681121100] [2025-03-15 00:19:23,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:19:23,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:19:23,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:19:23,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:19:23,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:19:23,974 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 149 [2025-03-15 00:19:23,980 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 149 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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 00:19:23,980 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:19:23,980 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 149 [2025-03-15 00:19:23,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:19:24,114 INFO L124 PetriNetUnfolderBase]: 52/393 cut-off events. [2025-03-15 00:19:24,115 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-15 00:19:24,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 393 events. 52/393 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1729 event pairs, 27 based on Foata normal form. 15/366 useless extension candidates. Maximal degree in co-relation 442. Up to 94 conditions per place. [2025-03-15 00:19:24,123 INFO L140 encePairwiseOnDemand]: 128/149 looper letters, 3 selfloop transitions, 2 changer transitions 93/127 dead transitions. [2025-03-15 00:19:24,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 127 transitions, 293 flow [2025-03-15 00:19:24,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:19:24,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:19:24,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 370 transitions. [2025-03-15 00:19:24,144 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8277404921700223 [2025-03-15 00:19:24,147 INFO L298 CegarLoopForPetriNet]: 146 programPoint places, -17 predicate places. [2025-03-15 00:19:24,147 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 127 transitions, 293 flow [2025-03-15 00:19:24,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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 00:19:24,148 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:19:24,148 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] [2025-03-15 00:19:24,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 00:19:24,148 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-15 00:19:24,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:19:24,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1180985797, now seen corresponding path program 1 times [2025-03-15 00:19:24,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:19:24,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624127420] [2025-03-15 00:19:24,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:19:24,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:19:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:19:24,210 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 00:19:24,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:19:24,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624127420] [2025-03-15 00:19:24,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624127420] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:19:24,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:19:24,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:19:24,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431912411] [2025-03-15 00:19:24,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:19:24,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:19:24,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:19:24,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:19:24,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:19:24,214 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 149 [2025-03-15 00:19:24,214 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 127 transitions, 293 flow. Second operand has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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 00:19:24,214 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:19:24,214 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 149 [2025-03-15 00:19:24,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:19:24,309 INFO L124 PetriNetUnfolderBase]: 52/392 cut-off events. [2025-03-15 00:19:24,309 INFO L125 PetriNetUnfolderBase]: For 65/109 co-relation queries the response was YES. [2025-03-15 00:19:24,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 588 conditions, 392 events. 52/392 cut-off events. For 65/109 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1722 event pairs, 27 based on Foata normal form. 0/351 useless extension candidates. Maximal degree in co-relation 531. Up to 94 conditions per place. [2025-03-15 00:19:24,311 INFO L140 encePairwiseOnDemand]: 146/149 looper letters, 3 selfloop transitions, 2 changer transitions 93/126 dead transitions. [2025-03-15 00:19:24,311 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 126 transitions, 327 flow [2025-03-15 00:19:24,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:19:24,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:19:24,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 352 transitions. [2025-03-15 00:19:24,314 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7874720357941835 [2025-03-15 00:19:24,314 INFO L298 CegarLoopForPetriNet]: 146 programPoint places, -16 predicate places. [2025-03-15 00:19:24,314 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 126 transitions, 327 flow [2025-03-15 00:19:24,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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 00:19:24,315 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:19:24,315 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] [2025-03-15 00:19:24,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 00:19:24,315 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-15 00:19:24,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:19:24,316 INFO L85 PathProgramCache]: Analyzing trace with hash -2057600782, now seen corresponding path program 1 times [2025-03-15 00:19:24,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:19:24,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326437386] [2025-03-15 00:19:24,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:19:24,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:19:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:19:24,363 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 00:19:24,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:19:24,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326437386] [2025-03-15 00:19:24,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326437386] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:19:24,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:19:24,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:19:24,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903112648] [2025-03-15 00:19:24,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:19:24,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:19:24,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:19:24,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:19:24,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:19:24,365 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 149 [2025-03-15 00:19:24,365 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 126 transitions, 327 flow. Second operand has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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 00:19:24,365 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:19:24,365 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 149 [2025-03-15 00:19:24,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:19:24,430 INFO L124 PetriNetUnfolderBase]: 52/391 cut-off events. [2025-03-15 00:19:24,430 INFO L125 PetriNetUnfolderBase]: For 192/280 co-relation queries the response was YES. [2025-03-15 00:19:24,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 683 conditions, 391 events. 52/391 cut-off events. For 192/280 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1730 event pairs, 27 based on Foata normal form. 0/351 useless extension candidates. Maximal degree in co-relation 620. Up to 94 conditions per place. [2025-03-15 00:19:24,434 INFO L140 encePairwiseOnDemand]: 146/149 looper letters, 3 selfloop transitions, 2 changer transitions 93/125 dead transitions. [2025-03-15 00:19:24,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 125 transitions, 361 flow [2025-03-15 00:19:24,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:19:24,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:19:24,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 352 transitions. [2025-03-15 00:19:24,448 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7874720357941835 [2025-03-15 00:19:24,449 INFO L298 CegarLoopForPetriNet]: 146 programPoint places, -15 predicate places. [2025-03-15 00:19:24,449 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 125 transitions, 361 flow [2025-03-15 00:19:24,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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 00:19:24,449 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:19:24,449 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] [2025-03-15 00:19:24,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 00:19:24,449 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-15 00:19:24,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:19:24,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1096545139, now seen corresponding path program 1 times [2025-03-15 00:19:24,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:19:24,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81790575] [2025-03-15 00:19:24,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:19:24,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:19:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:19:24,508 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 00:19:24,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:19:24,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81790575] [2025-03-15 00:19:24,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81790575] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:19:24,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:19:24,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:19:24,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368162456] [2025-03-15 00:19:24,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:19:24,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:19:24,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:19:24,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:19:24,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:19:24,510 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 149 [2025-03-15 00:19:24,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 125 transitions, 361 flow. Second operand has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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 00:19:24,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:19:24,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 149 [2025-03-15 00:19:24,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:19:24,581 INFO L124 PetriNetUnfolderBase]: 52/390 cut-off events. [2025-03-15 00:19:24,581 INFO L125 PetriNetUnfolderBase]: For 382/514 co-relation queries the response was YES. [2025-03-15 00:19:24,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 778 conditions, 390 events. 52/390 cut-off events. For 382/514 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1726 event pairs, 27 based on Foata normal form. 0/351 useless extension candidates. Maximal degree in co-relation 709. Up to 94 conditions per place. [2025-03-15 00:19:24,583 INFO L140 encePairwiseOnDemand]: 146/149 looper letters, 0 selfloop transitions, 0 changer transitions 124/124 dead transitions. [2025-03-15 00:19:24,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 124 transitions, 395 flow [2025-03-15 00:19:24,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:19:24,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:19:24,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 352 transitions. [2025-03-15 00:19:24,585 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7874720357941835 [2025-03-15 00:19:24,587 INFO L298 CegarLoopForPetriNet]: 146 programPoint places, -14 predicate places. [2025-03-15 00:19:24,587 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 124 transitions, 395 flow [2025-03-15 00:19:24,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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 00:19:24,595 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/qw2004-2b.i_petrified1_AllErrorsAtOnce [2025-03-15 00:19:24,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2025-03-15 00:19:24,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2025-03-15 00:19:24,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2025-03-15 00:19:24,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2025-03-15 00:19:24,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2025-03-15 00:19:24,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2025-03-15 00:19:24,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2025-03-15 00:19:24,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2025-03-15 00:19:24,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2025-03-15 00:19:24,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2025-03-15 00:19:24,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2025-03-15 00:19:24,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2025-03-15 00:19:24,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2025-03-15 00:19:24,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2025-03-15 00:19:24,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2025-03-15 00:19:24,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2025-03-15 00:19:24,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining) [2025-03-15 00:19:24,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2025-03-15 00:19:24,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2025-03-15 00:19:24,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 27 remaining) [2025-03-15 00:19:24,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2025-03-15 00:19:24,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2025-03-15 00:19:24,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2025-03-15 00:19:24,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2025-03-15 00:19:24,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2025-03-15 00:19:24,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2025-03-15 00:19:24,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2025-03-15 00:19:24,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 00:19:24,618 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-15 00:19:24,623 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 00:19:24,623 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 00:19:24,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 12:19:24 BasicIcfg [2025-03-15 00:19:24,629 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 00:19:24,630 INFO L158 Benchmark]: Toolchain (without parser) took 1843.56ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 43.1MB in the beginning and 33.3MB in the end (delta: 9.9MB). Peak memory consumption was 29.6MB. Max. memory is 8.0GB. [2025-03-15 00:19:24,630 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 71.3MB. Free memory was 33.5MB in the beginning and 33.5MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:19:24,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.88ms. Allocated memory is still 71.3MB. Free memory was 43.0MB in the beginning and 23.1MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-03-15 00:19:24,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.05ms. Allocated memory is still 71.3MB. Free memory was 23.1MB in the beginning and 21.2MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 00:19:24,631 INFO L158 Benchmark]: Boogie Preprocessor took 14.96ms. Allocated memory is still 71.3MB. Free memory was 21.0MB in the beginning and 19.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:19:24,632 INFO L158 Benchmark]: RCFGBuilder took 421.13ms. Allocated memory is still 71.3MB. Free memory was 19.9MB in the beginning and 23.9MB in the end (delta: -4.0MB). Peak memory consumption was 6.8MB. Max. memory is 8.0GB. [2025-03-15 00:19:24,632 INFO L158 Benchmark]: TraceAbstraction took 986.47ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 22.9MB in the beginning and 33.3MB in the end (delta: -10.3MB). Peak memory consumption was 6.0MB. Max. memory is 8.0GB. [2025-03-15 00:19:24,634 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 71.3MB. Free memory was 33.5MB in the beginning and 33.5MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 374.88ms. Allocated memory is still 71.3MB. Free memory was 43.0MB in the beginning and 23.1MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.05ms. Allocated memory is still 71.3MB. Free memory was 23.1MB in the beginning and 21.2MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.96ms. Allocated memory is still 71.3MB. Free memory was 21.0MB in the beginning and 19.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 421.13ms. Allocated memory is still 71.3MB. Free memory was 19.9MB in the beginning and 23.9MB in the end (delta: -4.0MB). Peak memory consumption was 6.8MB. Max. memory is 8.0GB. * TraceAbstraction took 986.47ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 22.9MB in the beginning and 33.3MB in the end (delta: -10.3MB). Peak memory consumption was 6.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 749]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 757]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: 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 3 procedures, 179 locations, 27 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: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 116 IncrementalHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 20 mSDtfsCounter, 116 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=395occurred in iteration=4, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 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 19 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 00:19:24,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...