./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 735b3cc8 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 25cf9c0a16564c460f6e824f90a2df4185d2e5d2c682a221258efaf06dec8ca4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-735b3cc-m [2025-03-14 01:45:35,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-14 01:45:35,334 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-14 01:45:35,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-14 01:45:35,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-14 01:45:35,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-14 01:45:35,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-14 01:45:35,361 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-14 01:45:35,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-14 01:45:35,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-14 01:45:35,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-14 01:45:35,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-14 01:45:35,363 INFO L153 SettingsManager]: * Use SBE=true [2025-03-14 01:45:35,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-14 01:45:35,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-14 01:45:35,363 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-14 01:45:35,363 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-14 01:45:35,363 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-14 01:45:35,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-14 01:45:35,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-14 01:45:35,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-14 01:45:35,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-14 01:45:35,364 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-14 01:45:35,364 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-14 01:45:35,364 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-14 01:45:35,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-14 01:45:35,364 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-14 01:45:35,364 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-14 01:45:35,364 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-14 01:45:35,364 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-14 01:45:35,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-14 01:45:35,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:45:35,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-14 01:45:35,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-14 01:45:35,365 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-14 01:45:35,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-14 01:45:35,365 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-14 01:45:35,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-14 01:45:35,365 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-14 01:45:35,365 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-14 01:45:35,365 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-14 01:45:35,365 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-14 01:45:35,365 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25cf9c0a16564c460f6e824f90a2df4185d2e5d2c682a221258efaf06dec8ca4 [2025-03-14 01:45:35,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-14 01:45:35,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-14 01:45:35,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-14 01:45:35,594 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-14 01:45:35,594 INFO L274 PluginConnector]: CDTParser initialized [2025-03-14 01:45:35,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c [2025-03-14 01:45:36,751 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a175259e/5fab9c2cb972452cb3797574eb1e774f/FLAG800f4f433 [2025-03-14 01:45:37,012 INFO L384 CDTParser]: Found 1 translation units. [2025-03-14 01:45:37,013 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c [2025-03-14 01:45:37,020 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a175259e/5fab9c2cb972452cb3797574eb1e774f/FLAG800f4f433 [2025-03-14 01:45:37,037 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a175259e/5fab9c2cb972452cb3797574eb1e774f [2025-03-14 01:45:37,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-14 01:45:37,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-14 01:45:37,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-14 01:45:37,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-14 01:45:37,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-14 01:45:37,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:45:37" (1/1) ... [2025-03-14 01:45:37,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14674791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:45:37, skipping insertion in model container [2025-03-14 01:45:37,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:45:37" (1/1) ... [2025-03-14 01:45:37,065 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-14 01:45:37,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:45:37,233 INFO L200 MainTranslator]: Completed pre-run [2025-03-14 01:45:37,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:45:37,266 INFO L204 MainTranslator]: Completed translation [2025-03-14 01:45:37,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:45:37 WrapperNode [2025-03-14 01:45:37,266 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-14 01:45:37,267 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-14 01:45:37,267 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-14 01:45:37,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-14 01:45:37,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:45:37" (1/1) ... [2025-03-14 01:45:37,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:45:37" (1/1) ... [2025-03-14 01:45:37,309 INFO L138 Inliner]: procedures = 23, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 131 [2025-03-14 01:45:37,312 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-14 01:45:37,313 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-14 01:45:37,313 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-14 01:45:37,313 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-14 01:45:37,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:45:37" (1/1) ... [2025-03-14 01:45:37,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:45:37" (1/1) ... [2025-03-14 01:45:37,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:45:37" (1/1) ... [2025-03-14 01:45:37,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:45:37" (1/1) ... [2025-03-14 01:45:37,337 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:45:37" (1/1) ... [2025-03-14 01:45:37,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:45:37" (1/1) ... [2025-03-14 01:45:37,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:45:37" (1/1) ... [2025-03-14 01:45:37,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:45:37" (1/1) ... [2025-03-14 01:45:37,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-14 01:45:37,347 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-14 01:45:37,347 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-14 01:45:37,347 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-14 01:45:37,348 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:45:37" (1/1) ... [2025-03-14 01:45:37,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:45:37,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 01:45:37,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-14 01:45:37,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-14 01:45:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-14 01:45:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-14 01:45:37,404 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-14 01:45:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-14 01:45:37,404 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-14 01:45:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-14 01:45:37,404 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-14 01:45:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-14 01:45:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-14 01:45:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-14 01:45:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-14 01:45:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-14 01:45:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-14 01:45:37,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-14 01:45:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-14 01:45:37,405 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-14 01:45:37,488 INFO L256 CfgBuilder]: Building ICFG [2025-03-14 01:45:37,490 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-14 01:45:37,859 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-14 01:45:37,860 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-14 01:45:37,860 INFO L318 CfgBuilder]: Performing block encoding [2025-03-14 01:45:38,012 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-14 01:45:38,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:45:38 BoogieIcfgContainer [2025-03-14 01:45:38,013 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-14 01:45:38,031 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-14 01:45:38,031 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-14 01:45:38,034 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-14 01:45:38,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.03 01:45:37" (1/3) ... [2025-03-14 01:45:38,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d547444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:45:38, skipping insertion in model container [2025-03-14 01:45:38,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:45:37" (2/3) ... [2025-03-14 01:45:38,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d547444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:45:38, skipping insertion in model container [2025-03-14 01:45:38,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:45:38" (3/3) ... [2025-03-14 01:45:38,038 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-max-array-hom.wvr.c [2025-03-14 01:45:38,051 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-14 01:45:38,053 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-max-array-hom.wvr.c that has 4 procedures, 227 locations, 1 initial locations, 4 loop locations, and 35 error locations. [2025-03-14 01:45:38,054 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-14 01:45:38,122 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-14 01:45:38,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 236 places, 239 transitions, 499 flow [2025-03-14 01:45:38,230 INFO L124 PetriNetUnfolderBase]: 13/236 cut-off events. [2025-03-14 01:45:38,232 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-14 01:45:38,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 236 events. 13/236 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 328 event pairs, 0 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 174. Up to 2 conditions per place. [2025-03-14 01:45:38,237 INFO L82 GeneralOperation]: Start removeDead. Operand has 236 places, 239 transitions, 499 flow [2025-03-14 01:45:38,241 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 214 places, 215 transitions, 448 flow [2025-03-14 01:45:38,246 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-14 01:45:38,254 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@306629f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-14 01:45:38,254 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2025-03-14 01:45:38,261 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-14 01:45:38,261 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2025-03-14 01:45:38,261 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-14 01:45:38,261 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:45:38,262 INFO L206 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] [2025-03-14 01:45:38,262 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-03-14 01:45:38,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:45:38,266 INFO L85 PathProgramCache]: Analyzing trace with hash 330520559, now seen corresponding path program 1 times [2025-03-14 01:45:38,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:45:38,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888445265] [2025-03-14 01:45:38,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:45:38,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:45:38,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-14 01:45:38,335 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-14 01:45:38,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:45:38,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:45:38,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:45:38,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:45:38,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888445265] [2025-03-14 01:45:38,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888445265] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:45:38,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:45:38,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:45:38,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27500500] [2025-03-14 01:45:38,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:45:38,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:45:38,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:45:38,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:45:38,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:45:38,474 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 239 [2025-03-14 01:45:38,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 215 transitions, 448 flow. Second operand has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 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) [2025-03-14 01:45:38,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:45:38,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 239 [2025-03-14 01:45:38,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:45:38,615 INFO L124 PetriNetUnfolderBase]: 58/425 cut-off events. [2025-03-14 01:45:38,615 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2025-03-14 01:45:38,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 554 conditions, 425 events. 58/425 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1635 event pairs, 38 based on Foata normal form. 26/391 useless extension candidates. Maximal degree in co-relation 272. Up to 92 conditions per place. [2025-03-14 01:45:38,621 INFO L140 encePairwiseOnDemand]: 212/239 looper letters, 16 selfloop transitions, 2 changer transitions 3/190 dead transitions. [2025-03-14 01:45:38,622 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 190 transitions, 434 flow [2025-03-14 01:45:38,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:45:38,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:45:38,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 622 transitions. [2025-03-14 01:45:38,634 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8675034867503487 [2025-03-14 01:45:38,637 INFO L175 Difference]: Start difference. First operand has 214 places, 215 transitions, 448 flow. Second operand 3 states and 622 transitions. [2025-03-14 01:45:38,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 190 transitions, 434 flow [2025-03-14 01:45:38,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 190 transitions, 422 flow, removed 0 selfloop flow, removed 6 redundant places. [2025-03-14 01:45:38,646 INFO L231 Difference]: Finished difference. Result has 191 places, 187 transitions, 384 flow [2025-03-14 01:45:38,648 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=384, PETRI_PLACES=191, PETRI_TRANSITIONS=187} [2025-03-14 01:45:38,652 INFO L279 CegarLoopForPetriNet]: 214 programPoint places, -23 predicate places. [2025-03-14 01:45:38,653 INFO L471 AbstractCegarLoop]: Abstraction has has 191 places, 187 transitions, 384 flow [2025-03-14 01:45:38,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 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) [2025-03-14 01:45:38,654 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:45:38,654 INFO L206 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] [2025-03-14 01:45:38,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-14 01:45:38,655 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-03-14 01:45:38,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:45:38,656 INFO L85 PathProgramCache]: Analyzing trace with hash -160463880, now seen corresponding path program 1 times [2025-03-14 01:45:38,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:45:38,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374040221] [2025-03-14 01:45:38,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:45:38,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:45:38,665 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-14 01:45:38,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-14 01:45:38,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:45:38,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:45:38,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:45:38,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:45:38,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374040221] [2025-03-14 01:45:38,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374040221] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:45:38,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:45:38,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:45:38,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235303359] [2025-03-14 01:45:38,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:45:38,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:45:38,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:45:38,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:45:38,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:45:38,758 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 239 [2025-03-14 01:45:38,759 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 187 transitions, 384 flow. Second operand has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 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) [2025-03-14 01:45:38,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:45:38,759 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 239 [2025-03-14 01:45:38,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:45:38,838 INFO L124 PetriNetUnfolderBase]: 62/451 cut-off events. [2025-03-14 01:45:38,838 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2025-03-14 01:45:38,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 567 conditions, 451 events. 62/451 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1695 event pairs, 34 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 536. Up to 100 conditions per place. [2025-03-14 01:45:38,845 INFO L140 encePairwiseOnDemand]: 236/239 looper letters, 16 selfloop transitions, 2 changer transitions 0/186 dead transitions. [2025-03-14 01:45:38,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 186 transitions, 418 flow [2025-03-14 01:45:38,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:45:38,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:45:38,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 598 transitions. [2025-03-14 01:45:38,847 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8340306834030683 [2025-03-14 01:45:38,847 INFO L175 Difference]: Start difference. First operand has 191 places, 187 transitions, 384 flow. Second operand 3 states and 598 transitions. [2025-03-14 01:45:38,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 186 transitions, 418 flow [2025-03-14 01:45:38,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 186 transitions, 414 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:45:38,851 INFO L231 Difference]: Finished difference. Result has 187 places, 186 transitions, 382 flow [2025-03-14 01:45:38,851 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=382, PETRI_PLACES=187, PETRI_TRANSITIONS=186} [2025-03-14 01:45:38,851 INFO L279 CegarLoopForPetriNet]: 214 programPoint places, -27 predicate places. [2025-03-14 01:45:38,852 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 186 transitions, 382 flow [2025-03-14 01:45:38,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 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) [2025-03-14 01:45:38,852 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:45:38,852 INFO L206 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] [2025-03-14 01:45:38,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-14 01:45:38,852 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-03-14 01:45:38,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:45:38,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1804604180, now seen corresponding path program 1 times [2025-03-14 01:45:38,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:45:38,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718826301] [2025-03-14 01:45:38,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:45:38,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:45:38,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-14 01:45:38,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-14 01:45:38,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:45:38,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:45:38,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:45:38,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:45:38,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718826301] [2025-03-14 01:45:38,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718826301] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:45:38,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:45:38,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:45:38,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245574345] [2025-03-14 01:45:38,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:45:38,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:45:38,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:45:38,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:45:38,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:45:38,917 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 239 [2025-03-14 01:45:38,917 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 186 transitions, 382 flow. Second operand has 3 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 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) [2025-03-14 01:45:38,917 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:45:38,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 239 [2025-03-14 01:45:38,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:45:38,987 INFO L124 PetriNetUnfolderBase]: 108/543 cut-off events. [2025-03-14 01:45:38,988 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2025-03-14 01:45:38,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 726 conditions, 543 events. 108/543 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2444 event pairs, 59 based on Foata normal form. 0/472 useless extension candidates. Maximal degree in co-relation 687. Up to 164 conditions per place. [2025-03-14 01:45:38,992 INFO L140 encePairwiseOnDemand]: 234/239 looper letters, 17 selfloop transitions, 1 changer transitions 0/182 dead transitions. [2025-03-14 01:45:38,992 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 182 transitions, 410 flow [2025-03-14 01:45:38,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:45:38,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:45:38,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 595 transitions. [2025-03-14 01:45:38,994 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8298465829846583 [2025-03-14 01:45:38,994 INFO L175 Difference]: Start difference. First operand has 187 places, 186 transitions, 382 flow. Second operand 3 states and 595 transitions. [2025-03-14 01:45:38,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 182 transitions, 410 flow [2025-03-14 01:45:38,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 182 transitions, 406 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:45:38,997 INFO L231 Difference]: Finished difference. Result has 183 places, 182 transitions, 372 flow [2025-03-14 01:45:38,997 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=372, PETRI_PLACES=183, PETRI_TRANSITIONS=182} [2025-03-14 01:45:38,998 INFO L279 CegarLoopForPetriNet]: 214 programPoint places, -31 predicate places. [2025-03-14 01:45:38,998 INFO L471 AbstractCegarLoop]: Abstraction has has 183 places, 182 transitions, 372 flow [2025-03-14 01:45:38,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 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) [2025-03-14 01:45:38,998 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:45:38,999 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:45:38,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-14 01:45:38,999 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-03-14 01:45:38,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:45:38,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1085594706, now seen corresponding path program 1 times [2025-03-14 01:45:39,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:45:39,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181379975] [2025-03-14 01:45:39,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:45:39,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:45:39,009 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-14 01:45:39,034 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-14 01:45:39,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:45:39,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:45:39,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:45:39,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:45:39,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181379975] [2025-03-14 01:45:39,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181379975] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:45:39,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:45:39,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 01:45:39,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817890024] [2025-03-14 01:45:39,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:45:39,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-14 01:45:39,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:45:39,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-14 01:45:39,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-14 01:45:39,693 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 239 [2025-03-14 01:45:39,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 182 transitions, 372 flow. Second operand has 6 states, 6 states have (on average 191.5) internal successors, (1149), 6 states have internal predecessors, (1149), 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) [2025-03-14 01:45:39,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:45:39,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 239 [2025-03-14 01:45:39,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:45:39,770 INFO L124 PetriNetUnfolderBase]: 30/306 cut-off events. [2025-03-14 01:45:39,770 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-03-14 01:45:39,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 306 events. 30/306 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 840 event pairs, 15 based on Foata normal form. 0/276 useless extension candidates. Maximal degree in co-relation 336. Up to 53 conditions per place. [2025-03-14 01:45:39,772 INFO L140 encePairwiseOnDemand]: 233/239 looper letters, 17 selfloop transitions, 5 changer transitions 0/181 dead transitions. [2025-03-14 01:45:39,772 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 181 transitions, 414 flow [2025-03-14 01:45:39,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-14 01:45:39,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-14 01:45:39,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1163 transitions. [2025-03-14 01:45:39,775 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8110181311018131 [2025-03-14 01:45:39,775 INFO L175 Difference]: Start difference. First operand has 183 places, 182 transitions, 372 flow. Second operand 6 states and 1163 transitions. [2025-03-14 01:45:39,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 181 transitions, 414 flow [2025-03-14 01:45:39,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 181 transitions, 413 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:45:39,777 INFO L231 Difference]: Finished difference. Result has 186 places, 181 transitions, 379 flow [2025-03-14 01:45:39,778 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=369, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=379, PETRI_PLACES=186, PETRI_TRANSITIONS=181} [2025-03-14 01:45:39,778 INFO L279 CegarLoopForPetriNet]: 214 programPoint places, -28 predicate places. [2025-03-14 01:45:39,778 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 181 transitions, 379 flow [2025-03-14 01:45:39,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.5) internal successors, (1149), 6 states have internal predecessors, (1149), 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) [2025-03-14 01:45:39,779 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:45:39,779 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:45:39,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-14 01:45:39,779 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-03-14 01:45:39,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:45:39,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1801101375, now seen corresponding path program 1 times [2025-03-14 01:45:39,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:45:39,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605251844] [2025-03-14 01:45:39,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:45:39,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:45:39,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-14 01:45:39,791 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-14 01:45:39,792 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:45:39,792 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:45:39,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:45:39,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:45:39,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605251844] [2025-03-14 01:45:39,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605251844] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:45:39,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:45:39,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:45:39,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306077227] [2025-03-14 01:45:39,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:45:39,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:45:39,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:45:39,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:45:39,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:45:39,830 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 239 [2025-03-14 01:45:39,831 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 181 transitions, 379 flow. Second operand has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 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) [2025-03-14 01:45:39,831 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:45:39,831 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 239 [2025-03-14 01:45:39,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:45:39,894 INFO L124 PetriNetUnfolderBase]: 30/305 cut-off events. [2025-03-14 01:45:39,894 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-03-14 01:45:39,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 370 conditions, 305 events. 30/305 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 833 event pairs, 15 based on Foata normal form. 0/276 useless extension candidates. Maximal degree in co-relation 352. Up to 48 conditions per place. [2025-03-14 01:45:39,896 INFO L140 encePairwiseOnDemand]: 236/239 looper letters, 12 selfloop transitions, 2 changer transitions 0/180 dead transitions. [2025-03-14 01:45:39,896 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 180 transitions, 405 flow [2025-03-14 01:45:39,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:45:39,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:45:39,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 606 transitions. [2025-03-14 01:45:39,898 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8451882845188284 [2025-03-14 01:45:39,898 INFO L175 Difference]: Start difference. First operand has 186 places, 181 transitions, 379 flow. Second operand 3 states and 606 transitions. [2025-03-14 01:45:39,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 180 transitions, 405 flow [2025-03-14 01:45:39,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 180 transitions, 395 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-14 01:45:39,901 INFO L231 Difference]: Finished difference. Result has 182 places, 180 transitions, 371 flow [2025-03-14 01:45:39,901 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=367, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=371, PETRI_PLACES=182, PETRI_TRANSITIONS=180} [2025-03-14 01:45:39,901 INFO L279 CegarLoopForPetriNet]: 214 programPoint places, -32 predicate places. [2025-03-14 01:45:39,901 INFO L471 AbstractCegarLoop]: Abstraction has has 182 places, 180 transitions, 371 flow [2025-03-14 01:45:39,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 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) [2025-03-14 01:45:39,902 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:45:39,902 INFO L206 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, 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] [2025-03-14 01:45:39,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-14 01:45:39,902 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-03-14 01:45:39,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:45:39,903 INFO L85 PathProgramCache]: Analyzing trace with hash 4219567, now seen corresponding path program 1 times [2025-03-14 01:45:39,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:45:39,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011043426] [2025-03-14 01:45:39,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:45:39,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:45:39,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-14 01:45:39,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-14 01:45:39,913 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:45:39,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:45:39,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:45:39,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:45:39,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011043426] [2025-03-14 01:45:39,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011043426] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:45:39,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:45:39,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:45:39,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650107710] [2025-03-14 01:45:39,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:45:39,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:45:39,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:45:39,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:45:39,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:45:39,944 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 239 [2025-03-14 01:45:39,945 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 180 transitions, 371 flow. Second operand has 3 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 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) [2025-03-14 01:45:39,945 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:45:39,945 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 239 [2025-03-14 01:45:39,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:45:40,010 INFO L124 PetriNetUnfolderBase]: 101/499 cut-off events. [2025-03-14 01:45:40,011 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2025-03-14 01:45:40,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 667 conditions, 499 events. 101/499 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2273 event pairs, 71 based on Foata normal form. 0/462 useless extension candidates. Maximal degree in co-relation 628. Up to 150 conditions per place. [2025-03-14 01:45:40,014 INFO L140 encePairwiseOnDemand]: 234/239 looper letters, 17 selfloop transitions, 1 changer transitions 0/176 dead transitions. [2025-03-14 01:45:40,014 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 176 transitions, 399 flow [2025-03-14 01:45:40,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:45:40,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:45:40,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 595 transitions. [2025-03-14 01:45:40,016 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8298465829846583 [2025-03-14 01:45:40,016 INFO L175 Difference]: Start difference. First operand has 182 places, 180 transitions, 371 flow. Second operand 3 states and 595 transitions. [2025-03-14 01:45:40,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 176 transitions, 399 flow [2025-03-14 01:45:40,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 176 transitions, 395 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:45:40,019 INFO L231 Difference]: Finished difference. Result has 178 places, 176 transitions, 361 flow [2025-03-14 01:45:40,019 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=359, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=361, PETRI_PLACES=178, PETRI_TRANSITIONS=176} [2025-03-14 01:45:40,019 INFO L279 CegarLoopForPetriNet]: 214 programPoint places, -36 predicate places. [2025-03-14 01:45:40,019 INFO L471 AbstractCegarLoop]: Abstraction has has 178 places, 176 transitions, 361 flow [2025-03-14 01:45:40,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 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) [2025-03-14 01:45:40,020 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:45:40,020 INFO L206 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, 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, 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] [2025-03-14 01:45:40,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-14 01:45:40,020 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-03-14 01:45:40,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:45:40,021 INFO L85 PathProgramCache]: Analyzing trace with hash 2145352969, now seen corresponding path program 1 times [2025-03-14 01:45:40,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:45:40,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000378246] [2025-03-14 01:45:40,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:45:40,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:45:40,030 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-14 01:45:40,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-14 01:45:40,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:45:40,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:45:40,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:45:40,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:45:40,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000378246] [2025-03-14 01:45:40,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000378246] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:45:40,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:45:40,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:45:40,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250323516] [2025-03-14 01:45:40,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:45:40,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:45:40,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:45:40,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:45:40,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:45:40,080 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 239 [2025-03-14 01:45:40,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 176 transitions, 361 flow. Second operand has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 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) [2025-03-14 01:45:40,081 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:45:40,081 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 239 [2025-03-14 01:45:40,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:45:40,127 INFO L124 PetriNetUnfolderBase]: 30/293 cut-off events. [2025-03-14 01:45:40,127 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-03-14 01:45:40,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 351 conditions, 293 events. 30/293 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 752 event pairs, 15 based on Foata normal form. 0/276 useless extension candidates. Maximal degree in co-relation 313. Up to 45 conditions per place. [2025-03-14 01:45:40,129 INFO L140 encePairwiseOnDemand]: 237/239 looper letters, 10 selfloop transitions, 1 changer transitions 0/175 dead transitions. [2025-03-14 01:45:40,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 175 transitions, 381 flow [2025-03-14 01:45:40,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:45:40,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:45:40,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 615 transitions. [2025-03-14 01:45:40,131 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8577405857740585 [2025-03-14 01:45:40,131 INFO L175 Difference]: Start difference. First operand has 178 places, 176 transitions, 361 flow. Second operand 3 states and 615 transitions. [2025-03-14 01:45:40,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 175 transitions, 381 flow [2025-03-14 01:45:40,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 175 transitions, 380 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:45:40,134 INFO L231 Difference]: Finished difference. Result has 178 places, 175 transitions, 360 flow [2025-03-14 01:45:40,134 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=358, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=360, PETRI_PLACES=178, PETRI_TRANSITIONS=175} [2025-03-14 01:45:40,134 INFO L279 CegarLoopForPetriNet]: 214 programPoint places, -36 predicate places. [2025-03-14 01:45:40,134 INFO L471 AbstractCegarLoop]: Abstraction has has 178 places, 175 transitions, 360 flow [2025-03-14 01:45:40,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 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) [2025-03-14 01:45:40,135 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:45:40,135 INFO L206 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, 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, 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] [2025-03-14 01:45:40,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-14 01:45:40,135 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-03-14 01:45:40,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:45:40,136 INFO L85 PathProgramCache]: Analyzing trace with hash -672264083, now seen corresponding path program 1 times [2025-03-14 01:45:40,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:45:40,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485580110] [2025-03-14 01:45:40,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:45:40,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:45:40,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-14 01:45:40,150 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-14 01:45:40,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:45:40,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:45:40,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:45:40,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:45:40,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485580110] [2025-03-14 01:45:40,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485580110] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:45:40,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:45:40,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:45:40,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641942863] [2025-03-14 01:45:40,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:45:40,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:45:40,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:45:40,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:45:40,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:45:40,200 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 239 [2025-03-14 01:45:40,201 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 175 transitions, 360 flow. Second operand has 3 states, 3 states have (on average 200.66666666666666) internal successors, (602), 3 states have internal predecessors, (602), 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) [2025-03-14 01:45:40,201 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:45:40,201 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 239 [2025-03-14 01:45:40,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:45:40,250 INFO L124 PetriNetUnfolderBase]: 30/291 cut-off events. [2025-03-14 01:45:40,250 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-03-14 01:45:40,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 351 conditions, 291 events. 30/291 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 755 event pairs, 15 based on Foata normal form. 1/276 useless extension candidates. Maximal degree in co-relation 332. Up to 45 conditions per place. [2025-03-14 01:45:40,253 INFO L140 encePairwiseOnDemand]: 236/239 looper letters, 10 selfloop transitions, 1 changer transitions 2/173 dead transitions. [2025-03-14 01:45:40,253 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 173 transitions, 380 flow [2025-03-14 01:45:40,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:45:40,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:45:40,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 608 transitions. [2025-03-14 01:45:40,255 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8479776847977685 [2025-03-14 01:45:40,255 INFO L175 Difference]: Start difference. First operand has 178 places, 175 transitions, 360 flow. Second operand 3 states and 608 transitions. [2025-03-14 01:45:40,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 173 transitions, 380 flow [2025-03-14 01:45:40,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 173 transitions, 379 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:45:40,257 INFO L231 Difference]: Finished difference. Result has 177 places, 171 transitions, 353 flow [2025-03-14 01:45:40,259 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=355, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=353, PETRI_PLACES=177, PETRI_TRANSITIONS=171} [2025-03-14 01:45:40,260 INFO L279 CegarLoopForPetriNet]: 214 programPoint places, -37 predicate places. [2025-03-14 01:45:40,261 INFO L471 AbstractCegarLoop]: Abstraction has has 177 places, 171 transitions, 353 flow [2025-03-14 01:45:40,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.66666666666666) internal successors, (602), 3 states have internal predecessors, (602), 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) [2025-03-14 01:45:40,261 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:45:40,262 INFO L206 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, 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, 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, 1, 1] [2025-03-14 01:45:40,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-14 01:45:40,262 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2025-03-14 01:45:40,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:45:40,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1800675626, now seen corresponding path program 1 times [2025-03-14 01:45:40,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:45:40,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134044509] [2025-03-14 01:45:40,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:45:40,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:45:40,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-14 01:45:40,285 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-14 01:45:40,289 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:45:40,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:45:40,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:45:40,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:45:40,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134044509] [2025-03-14 01:45:40,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134044509] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:45:40,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:45:40,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:45:40,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559363272] [2025-03-14 01:45:40,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:45:40,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:45:40,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:45:40,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:45:40,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:45:40,330 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 239 [2025-03-14 01:45:40,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 171 transitions, 353 flow. Second operand has 3 states, 3 states have (on average 200.66666666666666) internal successors, (602), 3 states have internal predecessors, (602), 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) [2025-03-14 01:45:40,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:45:40,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 239 [2025-03-14 01:45:40,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:45:40,374 INFO L124 PetriNetUnfolderBase]: 30/287 cut-off events. [2025-03-14 01:45:40,374 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-03-14 01:45:40,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 348 conditions, 287 events. 30/287 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 743 event pairs, 15 based on Foata normal form. 1/274 useless extension candidates. Maximal degree in co-relation 335. Up to 45 conditions per place. [2025-03-14 01:45:40,376 INFO L140 encePairwiseOnDemand]: 236/239 looper letters, 0 selfloop transitions, 0 changer transitions 169/169 dead transitions. [2025-03-14 01:45:40,376 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 169 transitions, 373 flow [2025-03-14 01:45:40,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:45:40,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:45:40,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 608 transitions. [2025-03-14 01:45:40,378 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8479776847977685 [2025-03-14 01:45:40,378 INFO L175 Difference]: Start difference. First operand has 177 places, 171 transitions, 353 flow. Second operand 3 states and 608 transitions. [2025-03-14 01:45:40,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 169 transitions, 373 flow [2025-03-14 01:45:40,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 169 transitions, 372 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:45:40,380 INFO L231 Difference]: Finished difference. Result has 174 places, 0 transitions, 0 flow [2025-03-14 01:45:40,380 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=174, PETRI_TRANSITIONS=0} [2025-03-14 01:45:40,380 INFO L279 CegarLoopForPetriNet]: 214 programPoint places, -40 predicate places. [2025-03-14 01:45:40,380 INFO L471 AbstractCegarLoop]: Abstraction has has 174 places, 0 transitions, 0 flow [2025-03-14 01:45:40,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.66666666666666) internal successors, (602), 3 states have internal predecessors, (602), 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) [2025-03-14 01:45:40,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2025-03-14 01:45:40,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2025-03-14 01:45:40,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2025-03-14 01:45:40,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2025-03-14 01:45:40,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2025-03-14 01:45:40,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2025-03-14 01:45:40,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2025-03-14 01:45:40,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2025-03-14 01:45:40,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2025-03-14 01:45:40,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2025-03-14 01:45:40,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2025-03-14 01:45:40,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2025-03-14 01:45:40,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2025-03-14 01:45:40,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2025-03-14 01:45:40,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2025-03-14 01:45:40,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2025-03-14 01:45:40,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2025-03-14 01:45:40,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2025-03-14 01:45:40,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2025-03-14 01:45:40,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2025-03-14 01:45:40,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2025-03-14 01:45:40,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2025-03-14 01:45:40,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2025-03-14 01:45:40,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2025-03-14 01:45:40,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2025-03-14 01:45:40,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2025-03-14 01:45:40,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2025-03-14 01:45:40,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2025-03-14 01:45:40,385 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2025-03-14 01:45:40,386 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2025-03-14 01:45:40,386 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2025-03-14 01:45:40,386 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2025-03-14 01:45:40,386 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2025-03-14 01:45:40,386 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2025-03-14 01:45:40,386 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 60 remaining) [2025-03-14 01:45:40,386 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 60 remaining) [2025-03-14 01:45:40,386 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 60 remaining) [2025-03-14 01:45:40,386 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 60 remaining) [2025-03-14 01:45:40,386 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2025-03-14 01:45:40,386 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2025-03-14 01:45:40,386 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2025-03-14 01:45:40,386 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2025-03-14 01:45:40,387 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2025-03-14 01:45:40,387 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2025-03-14 01:45:40,387 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2025-03-14 01:45:40,387 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2025-03-14 01:45:40,387 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2025-03-14 01:45:40,387 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2025-03-14 01:45:40,387 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2025-03-14 01:45:40,387 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2025-03-14 01:45:40,387 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2025-03-14 01:45:40,387 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2025-03-14 01:45:40,387 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2025-03-14 01:45:40,387 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2025-03-14 01:45:40,387 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2025-03-14 01:45:40,387 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2025-03-14 01:45:40,388 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2025-03-14 01:45:40,388 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2025-03-14 01:45:40,388 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2025-03-14 01:45:40,388 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2025-03-14 01:45:40,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-14 01:45:40,388 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:45:40,392 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-14 01:45:40,392 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-14 01:45:40,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.03 01:45:40 BasicIcfg [2025-03-14 01:45:40,397 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-14 01:45:40,398 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-14 01:45:40,398 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-14 01:45:40,398 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-14 01:45:40,399 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:45:38" (3/4) ... [2025-03-14 01:45:40,400 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-14 01:45:40,402 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-14 01:45:40,402 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-14 01:45:40,402 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-03-14 01:45:40,407 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2025-03-14 01:45:40,407 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-14 01:45:40,407 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-14 01:45:40,408 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-14 01:45:40,466 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-14 01:45:40,466 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-14 01:45:40,466 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-14 01:45:40,467 INFO L158 Benchmark]: Toolchain (without parser) took 3425.95ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 105.9MB in the beginning and 138.5MB in the end (delta: -32.6MB). Peak memory consumption was 131.6MB. Max. memory is 16.1GB. [2025-03-14 01:45:40,467 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 201.3MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:45:40,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.06ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 93.0MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-14 01:45:40,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.46ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 92.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:45:40,467 INFO L158 Benchmark]: Boogie Preprocessor took 33.41ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 90.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:45:40,467 INFO L158 Benchmark]: IcfgBuilder took 665.76ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 35.2MB in the end (delta: 54.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-03-14 01:45:40,468 INFO L158 Benchmark]: TraceAbstraction took 2366.49ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 104.0MB in the beginning and 144.2MB in the end (delta: -40.2MB). Peak memory consumption was 126.1MB. Max. memory is 16.1GB. [2025-03-14 01:45:40,468 INFO L158 Benchmark]: Witness Printer took 68.01ms. Allocated memory is still 310.4MB. Free memory was 144.2MB in the beginning and 138.5MB in the end (delta: 5.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:45:40,469 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 201.3MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.06ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 93.0MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.46ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 92.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.41ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 90.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 665.76ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 35.2MB in the end (delta: 54.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2366.49ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 104.0MB in the beginning and 144.2MB in the end (delta: -40.2MB). Peak memory consumption was 126.1MB. Max. memory is 16.1GB. * Witness Printer took 68.01ms. Allocated memory is still 310.4MB. Free memory was 144.2MB in the beginning and 138.5MB in the end (delta: 5.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: 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, 293 locations, 60 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: 2.2s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 192 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 347 IncrementalHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 39 mSDtfsCounter, 347 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=448occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 675 NumberOfCodeBlocks, 675 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 666 ConstructedInterpolants, 0 QuantifiedInterpolants, 797 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 35 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-14 01:45:40,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE