./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i --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/goblint-regression/13-privatized_24-multiple-protecting_true.i -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 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf --- Real Ultimate output --- This is Ultimate 0.3.0-?-735b3cc-m [2025-03-14 01:38:42,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-14 01:38:42,970 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-14 01:38:42,974 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-14 01:38:42,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-14 01:38:42,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-14 01:38:42,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-14 01:38:42,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-14 01:38:42,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-14 01:38:42,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-14 01:38:42,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-14 01:38:42,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-14 01:38:42,999 INFO L153 SettingsManager]: * Use SBE=true [2025-03-14 01:38:42,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-14 01:38:42,999 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-14 01:38:42,999 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-14 01:38:42,999 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-14 01:38:42,999 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-14 01:38:43,000 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-14 01:38:43,000 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-14 01:38:43,000 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-14 01:38:43,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-14 01:38:43,000 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-14 01:38:43,000 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-14 01:38:43,000 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-14 01:38:43,000 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-14 01:38:43,000 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-14 01:38:43,000 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-14 01:38:43,000 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-14 01:38:43,001 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-14 01:38:43,001 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-14 01:38:43,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:38:43,001 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-14 01:38:43,001 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-14 01:38:43,001 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-14 01:38:43,001 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-14 01:38:43,001 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-14 01:38:43,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-14 01:38:43,001 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-14 01:38:43,001 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-14 01:38:43,002 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-14 01:38:43,002 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-14 01:38:43,002 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 -> 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf [2025-03-14 01:38:43,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-14 01:38:43,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-14 01:38:43,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-14 01:38:43,288 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-14 01:38:43,288 INFO L274 PluginConnector]: CDTParser initialized [2025-03-14 01:38:43,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i [2025-03-14 01:38:44,472 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22beddf69/a0eb4a5d7354441e894bc87fbbe10939/FLAGac9e9c31d [2025-03-14 01:38:44,770 INFO L384 CDTParser]: Found 1 translation units. [2025-03-14 01:38:44,770 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i [2025-03-14 01:38:44,781 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22beddf69/a0eb4a5d7354441e894bc87fbbe10939/FLAGac9e9c31d [2025-03-14 01:38:44,799 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22beddf69/a0eb4a5d7354441e894bc87fbbe10939 [2025-03-14 01:38:44,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-14 01:38:44,803 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-14 01:38:44,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-14 01:38:44,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-14 01:38:44,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-14 01:38:44,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:38:44" (1/1) ... [2025-03-14 01:38:44,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651b4abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:38:44, skipping insertion in model container [2025-03-14 01:38:44,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:38:44" (1/1) ... [2025-03-14 01:38:44,839 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-14 01:38:45,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:38:45,028 INFO L200 MainTranslator]: Completed pre-run [2025-03-14 01:38:45,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:38:45,090 INFO L204 MainTranslator]: Completed translation [2025-03-14 01:38:45,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:38:45 WrapperNode [2025-03-14 01:38:45,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-14 01:38:45,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-14 01:38:45,092 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-14 01:38:45,092 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-14 01:38:45,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:38:45" (1/1) ... [2025-03-14 01:38:45,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:38:45" (1/1) ... [2025-03-14 01:38:45,125 INFO L138 Inliner]: procedures = 162, calls = 54, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 117 [2025-03-14 01:38:45,126 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-14 01:38:45,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-14 01:38:45,127 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-14 01:38:45,127 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-14 01:38:45,131 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:38:45" (1/1) ... [2025-03-14 01:38:45,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:38:45" (1/1) ... [2025-03-14 01:38:45,135 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:38:45" (1/1) ... [2025-03-14 01:38:45,135 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:38:45" (1/1) ... [2025-03-14 01:38:45,140 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:38:45" (1/1) ... [2025-03-14 01:38:45,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:38:45" (1/1) ... [2025-03-14 01:38:45,143 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:38:45" (1/1) ... [2025-03-14 01:38:45,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:38:45" (1/1) ... [2025-03-14 01:38:45,144 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-14 01:38:45,152 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-14 01:38:45,152 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-14 01:38:45,152 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-14 01:38:45,153 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:38:45" (1/1) ... [2025-03-14 01:38:45,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:38:45,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 01:38:45,179 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 01:38:45,181 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 01:38:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-14 01:38:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-14 01:38:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-14 01:38:45,197 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-14 01:38:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-14 01:38:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-14 01:38:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-14 01:38:45,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-14 01:38:45,199 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 01:38:45,285 INFO L256 CfgBuilder]: Building ICFG [2025-03-14 01:38:45,286 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-14 01:38:45,501 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-14 01:38:45,502 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-14 01:38:45,502 INFO L318 CfgBuilder]: Performing block encoding [2025-03-14 01:38:45,554 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-14 01:38:45,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:38:45 BoogieIcfgContainer [2025-03-14 01:38:45,556 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-14 01:38:45,558 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-14 01:38:45,558 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-14 01:38:45,561 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-14 01:38:45,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.03 01:38:44" (1/3) ... [2025-03-14 01:38:45,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55548162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:38:45, skipping insertion in model container [2025-03-14 01:38:45,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:38:45" (2/3) ... [2025-03-14 01:38:45,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55548162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:38:45, skipping insertion in model container [2025-03-14 01:38:45,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:38:45" (3/3) ... [2025-03-14 01:38:45,563 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_24-multiple-protecting_true.i [2025-03-14 01:38:45,574 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-14 01:38:45,576 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_24-multiple-protecting_true.i that has 2 procedures, 196 locations, 1 initial locations, 0 loop locations, and 12 error locations. [2025-03-14 01:38:45,576 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-14 01:38:45,625 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-14 01:38:45,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 199 places, 203 transitions, 413 flow [2025-03-14 01:38:45,714 INFO L124 PetriNetUnfolderBase]: 8/202 cut-off events. [2025-03-14 01:38:45,717 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-14 01:38:45,721 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 202 events. 8/202 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 266 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 161. Up to 2 conditions per place. [2025-03-14 01:38:45,721 INFO L82 GeneralOperation]: Start removeDead. Operand has 199 places, 203 transitions, 413 flow [2025-03-14 01:38:45,725 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 193 places, 197 transitions, 397 flow [2025-03-14 01:38:45,731 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-14 01:38:45,739 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;@27d39491, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-14 01:38:45,742 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2025-03-14 01:38:45,770 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-14 01:38:45,771 INFO L124 PetriNetUnfolderBase]: 0/50 cut-off events. [2025-03-14 01:38:45,771 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-14 01:38:45,771 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:38:45,771 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] [2025-03-14 01:38:45,772 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-03-14 01:38:45,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:38:45,775 INFO L85 PathProgramCache]: Analyzing trace with hash -768051179, now seen corresponding path program 1 times [2025-03-14 01:38:45,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:38:45,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783729037] [2025-03-14 01:38:45,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:38:45,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:38:45,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-14 01:38:45,863 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-14 01:38:45,868 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:38:45,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:38:45,962 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 01:38:45,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:38:45,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783729037] [2025-03-14 01:38:45,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783729037] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:38:45,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:38:45,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:38:45,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141531916] [2025-03-14 01:38:45,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:38:45,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:38:45,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:38:45,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:38:45,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:38:46,018 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 203 [2025-03-14 01:38:46,021 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 197 transitions, 397 flow. Second operand has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 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 01:38:46,022 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:38:46,022 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 203 [2025-03-14 01:38:46,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:38:46,428 INFO L124 PetriNetUnfolderBase]: 521/2881 cut-off events. [2025-03-14 01:38:46,429 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-14 01:38:46,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4002 conditions, 2881 events. 521/2881 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 23134 event pairs, 104 based on Foata normal form. 234/2840 useless extension candidates. Maximal degree in co-relation 3960. Up to 662 conditions per place. [2025-03-14 01:38:46,445 INFO L140 encePairwiseOnDemand]: 180/203 looper letters, 62 selfloop transitions, 10 changer transitions 0/211 dead transitions. [2025-03-14 01:38:46,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 211 transitions, 569 flow [2025-03-14 01:38:46,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:38:46,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:38:46,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 537 transitions. [2025-03-14 01:38:46,459 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8817733990147784 [2025-03-14 01:38:46,460 INFO L175 Difference]: Start difference. First operand has 193 places, 197 transitions, 397 flow. Second operand 3 states and 537 transitions. [2025-03-14 01:38:46,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 211 transitions, 569 flow [2025-03-14 01:38:46,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 211 transitions, 568 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:38:46,467 INFO L231 Difference]: Finished difference. Result has 186 places, 187 transitions, 438 flow [2025-03-14 01:38:46,469 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=438, PETRI_PLACES=186, PETRI_TRANSITIONS=187} [2025-03-14 01:38:46,472 INFO L279 CegarLoopForPetriNet]: 193 programPoint places, -7 predicate places. [2025-03-14 01:38:46,472 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 187 transitions, 438 flow [2025-03-14 01:38:46,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 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 01:38:46,473 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:38:46,473 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] [2025-03-14 01:38:46,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-14 01:38:46,474 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-03-14 01:38:46,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:38:46,475 INFO L85 PathProgramCache]: Analyzing trace with hash -714620052, now seen corresponding path program 1 times [2025-03-14 01:38:46,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:38:46,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965846603] [2025-03-14 01:38:46,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:38:46,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:38:46,489 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-14 01:38:46,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-14 01:38:46,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:38:46,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:38:46,583 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 01:38:46,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:38:46,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965846603] [2025-03-14 01:38:46,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965846603] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:38:46,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:38:46,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:38:46,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553190082] [2025-03-14 01:38:46,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:38:46,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:38:46,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:38:46,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:38:46,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:38:46,618 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 203 [2025-03-14 01:38:46,619 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 187 transitions, 438 flow. Second operand has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 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 01:38:46,619 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:38:46,619 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 203 [2025-03-14 01:38:46,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:38:46,904 INFO L124 PetriNetUnfolderBase]: 506/2881 cut-off events. [2025-03-14 01:38:46,904 INFO L125 PetriNetUnfolderBase]: For 386/390 co-relation queries the response was YES. [2025-03-14 01:38:46,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4345 conditions, 2881 events. 506/2881 cut-off events. For 386/390 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 23244 event pairs, 355 based on Foata normal form. 4/2607 useless extension candidates. Maximal degree in co-relation 4302. Up to 979 conditions per place. [2025-03-14 01:38:46,915 INFO L140 encePairwiseOnDemand]: 196/203 looper letters, 52 selfloop transitions, 8 changer transitions 0/206 dead transitions. [2025-03-14 01:38:46,915 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 206 transitions, 612 flow [2025-03-14 01:38:46,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:38:46,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:38:46,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 516 transitions. [2025-03-14 01:38:46,917 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8472906403940886 [2025-03-14 01:38:46,917 INFO L175 Difference]: Start difference. First operand has 186 places, 187 transitions, 438 flow. Second operand 3 states and 516 transitions. [2025-03-14 01:38:46,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 206 transitions, 612 flow [2025-03-14 01:38:46,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 206 transitions, 586 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:38:46,921 INFO L231 Difference]: Finished difference. Result has 188 places, 194 transitions, 490 flow [2025-03-14 01:38:46,921 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=490, PETRI_PLACES=188, PETRI_TRANSITIONS=194} [2025-03-14 01:38:46,922 INFO L279 CegarLoopForPetriNet]: 193 programPoint places, -5 predicate places. [2025-03-14 01:38:46,922 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 194 transitions, 490 flow [2025-03-14 01:38:46,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 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 01:38:46,922 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:38:46,922 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] [2025-03-14 01:38:46,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-14 01:38:46,923 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-03-14 01:38:46,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:38:46,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1724509979, now seen corresponding path program 1 times [2025-03-14 01:38:46,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:38:46,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930651889] [2025-03-14 01:38:46,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:38:46,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:38:46,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-14 01:38:46,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-14 01:38:46,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:38:46,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:38:47,187 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 01:38:47,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:38:47,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930651889] [2025-03-14 01:38:47,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930651889] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:38:47,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:38:47,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 01:38:47,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023724041] [2025-03-14 01:38:47,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:38:47,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-14 01:38:47,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:38:47,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-14 01:38:47,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-14 01:38:47,220 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 203 [2025-03-14 01:38:47,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 194 transitions, 490 flow. Second operand has 5 states, 5 states have (on average 164.4) internal successors, (822), 5 states have internal predecessors, (822), 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 01:38:47,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:38:47,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 203 [2025-03-14 01:38:47,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:38:47,419 INFO L124 PetriNetUnfolderBase]: 140/1327 cut-off events. [2025-03-14 01:38:47,419 INFO L125 PetriNetUnfolderBase]: For 53/56 co-relation queries the response was YES. [2025-03-14 01:38:47,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1827 conditions, 1327 events. 140/1327 cut-off events. For 53/56 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 8769 event pairs, 64 based on Foata normal form. 13/1233 useless extension candidates. Maximal degree in co-relation 1781. Up to 177 conditions per place. [2025-03-14 01:38:47,423 INFO L140 encePairwiseOnDemand]: 195/203 looper letters, 39 selfloop transitions, 8 changer transitions 2/206 dead transitions. [2025-03-14 01:38:47,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 206 transitions, 574 flow [2025-03-14 01:38:47,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-14 01:38:47,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-14 01:38:47,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 866 transitions. [2025-03-14 01:38:47,426 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8532019704433498 [2025-03-14 01:38:47,426 INFO L175 Difference]: Start difference. First operand has 188 places, 194 transitions, 490 flow. Second operand 5 states and 866 transitions. [2025-03-14 01:38:47,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 206 transitions, 574 flow [2025-03-14 01:38:47,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 206 transitions, 556 flow, removed 5 selfloop flow, removed 2 redundant places. [2025-03-14 01:38:47,432 INFO L231 Difference]: Finished difference. Result has 189 places, 187 transitions, 448 flow [2025-03-14 01:38:47,434 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=448, PETRI_PLACES=189, PETRI_TRANSITIONS=187} [2025-03-14 01:38:47,435 INFO L279 CegarLoopForPetriNet]: 193 programPoint places, -4 predicate places. [2025-03-14 01:38:47,435 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 187 transitions, 448 flow [2025-03-14 01:38:47,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 164.4) internal successors, (822), 5 states have internal predecessors, (822), 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 01:38:47,435 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:38:47,435 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] [2025-03-14 01:38:47,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-14 01:38:47,436 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-03-14 01:38:47,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:38:47,436 INFO L85 PathProgramCache]: Analyzing trace with hash -308353344, now seen corresponding path program 1 times [2025-03-14 01:38:47,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:38:47,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499898093] [2025-03-14 01:38:47,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:38:47,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:38:47,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-14 01:38:47,448 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-14 01:38:47,448 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:38:47,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:38:47,487 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 01:38:47,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:38:47,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499898093] [2025-03-14 01:38:47,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499898093] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:38:47,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:38:47,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:38:47,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569539541] [2025-03-14 01:38:47,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:38:47,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:38:47,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:38:47,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:38:47,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:38:47,523 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 203 [2025-03-14 01:38:47,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 187 transitions, 448 flow. Second operand has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 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 01:38:47,525 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:38:47,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 203 [2025-03-14 01:38:47,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:38:47,689 INFO L124 PetriNetUnfolderBase]: 206/1481 cut-off events. [2025-03-14 01:38:47,689 INFO L125 PetriNetUnfolderBase]: For 238/239 co-relation queries the response was YES. [2025-03-14 01:38:47,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2309 conditions, 1481 events. 206/1481 cut-off events. For 238/239 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 10305 event pairs, 161 based on Foata normal form. 0/1370 useless extension candidates. Maximal degree in co-relation 2262. Up to 482 conditions per place. [2025-03-14 01:38:47,694 INFO L140 encePairwiseOnDemand]: 198/203 looper letters, 45 selfloop transitions, 4 changer transitions 0/193 dead transitions. [2025-03-14 01:38:47,695 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 193 transitions, 565 flow [2025-03-14 01:38:47,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:38:47,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:38:47,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 505 transitions. [2025-03-14 01:38:47,696 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8292282430213465 [2025-03-14 01:38:47,696 INFO L175 Difference]: Start difference. First operand has 189 places, 187 transitions, 448 flow. Second operand 3 states and 505 transitions. [2025-03-14 01:38:47,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 193 transitions, 565 flow [2025-03-14 01:38:47,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 193 transitions, 562 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:38:47,699 INFO L231 Difference]: Finished difference. Result has 191 places, 190 transitions, 479 flow [2025-03-14 01:38:47,699 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=445, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=479, PETRI_PLACES=191, PETRI_TRANSITIONS=190} [2025-03-14 01:38:47,700 INFO L279 CegarLoopForPetriNet]: 193 programPoint places, -2 predicate places. [2025-03-14 01:38:47,700 INFO L471 AbstractCegarLoop]: Abstraction has has 191 places, 190 transitions, 479 flow [2025-03-14 01:38:47,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 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 01:38:47,700 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:38:47,701 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] [2025-03-14 01:38:47,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-14 01:38:47,701 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-03-14 01:38:47,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:38:47,701 INFO L85 PathProgramCache]: Analyzing trace with hash -191641358, now seen corresponding path program 1 times [2025-03-14 01:38:47,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:38:47,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988623408] [2025-03-14 01:38:47,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:38:47,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:38:47,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-14 01:38:47,716 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-14 01:38:47,716 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:38:47,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:38:47,757 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 01:38:47,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:38:47,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988623408] [2025-03-14 01:38:47,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988623408] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:38:47,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:38:47,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:38:47,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284511929] [2025-03-14 01:38:47,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:38:47,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:38:47,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:38:47,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:38:47,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:38:47,777 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 203 [2025-03-14 01:38:47,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 190 transitions, 479 flow. Second operand has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 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 01:38:47,778 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:38:47,778 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 203 [2025-03-14 01:38:47,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:38:47,970 INFO L124 PetriNetUnfolderBase]: 311/1966 cut-off events. [2025-03-14 01:38:47,971 INFO L125 PetriNetUnfolderBase]: For 215/219 co-relation queries the response was YES. [2025-03-14 01:38:47,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3046 conditions, 1966 events. 311/1966 cut-off events. For 215/219 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 14511 event pairs, 131 based on Foata normal form. 0/1837 useless extension candidates. Maximal degree in co-relation 2999. Up to 409 conditions per place. [2025-03-14 01:38:47,977 INFO L140 encePairwiseOnDemand]: 194/203 looper letters, 57 selfloop transitions, 6 changer transitions 3/217 dead transitions. [2025-03-14 01:38:47,977 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 217 transitions, 684 flow [2025-03-14 01:38:47,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:38:47,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:38:47,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions. [2025-03-14 01:38:47,978 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8653530377668309 [2025-03-14 01:38:47,979 INFO L175 Difference]: Start difference. First operand has 191 places, 190 transitions, 479 flow. Second operand 3 states and 527 transitions. [2025-03-14 01:38:47,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 217 transitions, 684 flow [2025-03-14 01:38:47,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 217 transitions, 674 flow, removed 1 selfloop flow, removed 2 redundant places. [2025-03-14 01:38:47,982 INFO L231 Difference]: Finished difference. Result has 191 places, 192 transitions, 507 flow [2025-03-14 01:38:47,982 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=507, PETRI_PLACES=191, PETRI_TRANSITIONS=192} [2025-03-14 01:38:47,982 INFO L279 CegarLoopForPetriNet]: 193 programPoint places, -2 predicate places. [2025-03-14 01:38:47,982 INFO L471 AbstractCegarLoop]: Abstraction has has 191 places, 192 transitions, 507 flow [2025-03-14 01:38:47,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 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 01:38:47,984 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:38:47,984 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] [2025-03-14 01:38:47,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-14 01:38:47,984 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-03-14 01:38:47,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:38:47,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1093771261, now seen corresponding path program 1 times [2025-03-14 01:38:47,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:38:47,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261247402] [2025-03-14 01:38:47,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:38:47,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:38:47,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-14 01:38:47,999 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-14 01:38:47,999 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:38:47,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:38:48,021 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 01:38:48,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:38:48,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261247402] [2025-03-14 01:38:48,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261247402] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:38:48,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:38:48,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:38:48,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692175314] [2025-03-14 01:38:48,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:38:48,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:38:48,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:38:48,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:38:48,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:38:48,037 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 203 [2025-03-14 01:38:48,038 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 192 transitions, 507 flow. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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 01:38:48,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:38:48,038 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 203 [2025-03-14 01:38:48,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:38:48,212 INFO L124 PetriNetUnfolderBase]: 342/2016 cut-off events. [2025-03-14 01:38:48,212 INFO L125 PetriNetUnfolderBase]: For 441/445 co-relation queries the response was YES. [2025-03-14 01:38:48,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3362 conditions, 2016 events. 342/2016 cut-off events. For 441/445 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 15073 event pairs, 231 based on Foata normal form. 0/1880 useless extension candidates. Maximal degree in co-relation 3314. Up to 667 conditions per place. [2025-03-14 01:38:48,220 INFO L140 encePairwiseOnDemand]: 198/203 looper letters, 51 selfloop transitions, 4 changer transitions 0/207 dead transitions. [2025-03-14 01:38:48,220 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 207 transitions, 659 flow [2025-03-14 01:38:48,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:38:48,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:38:48,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2025-03-14 01:38:48,222 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8505747126436781 [2025-03-14 01:38:48,222 INFO L175 Difference]: Start difference. First operand has 191 places, 192 transitions, 507 flow. Second operand 3 states and 518 transitions. [2025-03-14 01:38:48,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 207 transitions, 659 flow [2025-03-14 01:38:48,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 207 transitions, 645 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:38:48,226 INFO L231 Difference]: Finished difference. Result has 193 places, 195 transitions, 527 flow [2025-03-14 01:38:48,226 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=527, PETRI_PLACES=193, PETRI_TRANSITIONS=195} [2025-03-14 01:38:48,226 INFO L279 CegarLoopForPetriNet]: 193 programPoint places, 0 predicate places. [2025-03-14 01:38:48,227 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 195 transitions, 527 flow [2025-03-14 01:38:48,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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 01:38:48,227 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:38:48,227 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] [2025-03-14 01:38:48,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-14 01:38:48,227 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-03-14 01:38:48,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:38:48,228 INFO L85 PathProgramCache]: Analyzing trace with hash -486554511, now seen corresponding path program 1 times [2025-03-14 01:38:48,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:38:48,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622118321] [2025-03-14 01:38:48,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:38:48,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:38:48,238 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-14 01:38:48,243 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-14 01:38:48,243 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:38:48,243 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:38:48,276 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 01:38:48,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:38:48,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622118321] [2025-03-14 01:38:48,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622118321] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:38:48,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:38:48,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:38:48,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020786925] [2025-03-14 01:38:48,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:38:48,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:38:48,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:38:48,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:38:48,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:38:48,291 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 203 [2025-03-14 01:38:48,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 195 transitions, 527 flow. Second operand has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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 01:38:48,292 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:38:48,292 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 203 [2025-03-14 01:38:48,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:38:48,485 INFO L124 PetriNetUnfolderBase]: 350/2164 cut-off events. [2025-03-14 01:38:48,485 INFO L125 PetriNetUnfolderBase]: For 457/461 co-relation queries the response was YES. [2025-03-14 01:38:48,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3584 conditions, 2164 events. 350/2164 cut-off events. For 457/461 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 16504 event pairs, 232 based on Foata normal form. 0/2035 useless extension candidates. Maximal degree in co-relation 3535. Up to 691 conditions per place. [2025-03-14 01:38:48,491 INFO L140 encePairwiseOnDemand]: 198/203 looper letters, 45 selfloop transitions, 3 changer transitions 12/210 dead transitions. [2025-03-14 01:38:48,492 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 210 transitions, 681 flow [2025-03-14 01:38:48,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:38:48,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:38:48,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2025-03-14 01:38:48,493 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8505747126436781 [2025-03-14 01:38:48,493 INFO L175 Difference]: Start difference. First operand has 193 places, 195 transitions, 527 flow. Second operand 3 states and 518 transitions. [2025-03-14 01:38:48,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 210 transitions, 681 flow [2025-03-14 01:38:48,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 210 transitions, 673 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:38:48,497 INFO L231 Difference]: Finished difference. Result has 195 places, 191 transitions, 523 flow [2025-03-14 01:38:48,497 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=519, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=523, PETRI_PLACES=195, PETRI_TRANSITIONS=191} [2025-03-14 01:38:48,498 INFO L279 CegarLoopForPetriNet]: 193 programPoint places, 2 predicate places. [2025-03-14 01:38:48,499 INFO L471 AbstractCegarLoop]: Abstraction has has 195 places, 191 transitions, 523 flow [2025-03-14 01:38:48,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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 01:38:48,499 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:38:48,499 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] [2025-03-14 01:38:48,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-14 01:38:48,499 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-03-14 01:38:48,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:38:48,500 INFO L85 PathProgramCache]: Analyzing trace with hash 38024326, now seen corresponding path program 1 times [2025-03-14 01:38:48,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:38:48,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785277771] [2025-03-14 01:38:48,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:38:48,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:38:48,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-14 01:38:48,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-14 01:38:48,530 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:38:48,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:38:48,719 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 01:38:48,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:38:48,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785277771] [2025-03-14 01:38:48,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785277771] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:38:48,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:38:48,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-14 01:38:48,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386735310] [2025-03-14 01:38:48,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:38:48,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-14 01:38:48,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:38:48,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-14 01:38:48,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-14 01:38:48,779 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 203 [2025-03-14 01:38:48,781 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 191 transitions, 523 flow. Second operand has 6 states, 6 states have (on average 165.5) internal successors, (993), 6 states have internal predecessors, (993), 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 01:38:48,781 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:38:48,781 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 203 [2025-03-14 01:38:48,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:38:48,932 INFO L124 PetriNetUnfolderBase]: 85/1268 cut-off events. [2025-03-14 01:38:48,932 INFO L125 PetriNetUnfolderBase]: For 217/218 co-relation queries the response was YES. [2025-03-14 01:38:48,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1974 conditions, 1268 events. 85/1268 cut-off events. For 217/218 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 7796 event pairs, 40 based on Foata normal form. 26/1256 useless extension candidates. Maximal degree in co-relation 1922. Up to 177 conditions per place. [2025-03-14 01:38:48,934 INFO L140 encePairwiseOnDemand]: 183/203 looper letters, 0 selfloop transitions, 0 changer transitions 192/192 dead transitions. [2025-03-14 01:38:48,934 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 192 transitions, 595 flow [2025-03-14 01:38:48,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-14 01:38:48,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-14 01:38:48,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 864 transitions. [2025-03-14 01:38:48,936 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8512315270935961 [2025-03-14 01:38:48,936 INFO L175 Difference]: Start difference. First operand has 195 places, 191 transitions, 523 flow. Second operand 5 states and 864 transitions. [2025-03-14 01:38:48,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 192 transitions, 595 flow [2025-03-14 01:38:48,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 192 transitions, 553 flow, removed 11 selfloop flow, removed 10 redundant places. [2025-03-14 01:38:48,942 INFO L231 Difference]: Finished difference. Result has 183 places, 0 transitions, 0 flow [2025-03-14 01:38:48,942 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=183, PETRI_TRANSITIONS=0} [2025-03-14 01:38:48,943 INFO L279 CegarLoopForPetriNet]: 193 programPoint places, -10 predicate places. [2025-03-14 01:38:48,943 INFO L471 AbstractCegarLoop]: Abstraction has has 183 places, 0 transitions, 0 flow [2025-03-14 01:38:48,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 165.5) internal successors, (993), 6 states have internal predecessors, (993), 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 01:38:48,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 21 remaining) [2025-03-14 01:38:48,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2025-03-14 01:38:48,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2025-03-14 01:38:48,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2025-03-14 01:38:48,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 21 remaining) [2025-03-14 01:38:48,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2025-03-14 01:38:48,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2025-03-14 01:38:48,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2025-03-14 01:38:48,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2025-03-14 01:38:48,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2025-03-14 01:38:48,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining) [2025-03-14 01:38:48,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (9 of 21 remaining) [2025-03-14 01:38:48,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining) [2025-03-14 01:38:48,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2025-03-14 01:38:48,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2025-03-14 01:38:48,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining) [2025-03-14 01:38:48,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2025-03-14 01:38:48,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2025-03-14 01:38:48,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2025-03-14 01:38:48,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2025-03-14 01:38:48,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2025-03-14 01:38:48,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-14 01:38:48,949 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:38:48,953 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-14 01:38:48,953 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-14 01:38:48,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.03 01:38:48 BasicIcfg [2025-03-14 01:38:48,958 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-14 01:38:48,959 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-14 01:38:48,960 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-14 01:38:48,960 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-14 01:38:48,961 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:38:45" (3/4) ... [2025-03-14 01:38:48,962 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-14 01:38:48,964 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-03-14 01:38:48,966 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-14 01:38:48,966 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-14 01:38:48,966 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-14 01:38:48,966 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-14 01:38:49,019 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-14 01:38:49,019 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-14 01:38:49,019 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-14 01:38:49,020 INFO L158 Benchmark]: Toolchain (without parser) took 4217.01ms. Allocated memory was 142.6MB in the beginning and 234.9MB in the end (delta: 92.3MB). Free memory was 112.7MB in the beginning and 110.9MB in the end (delta: 1.8MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. [2025-03-14 01:38:49,020 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:38:49,020 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.31ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 92.2MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-14 01:38:49,020 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.40ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 90.2MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-14 01:38:49,020 INFO L158 Benchmark]: Boogie Preprocessor took 18.01ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 89.2MB in the end (delta: 971.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:38:49,021 INFO L158 Benchmark]: IcfgBuilder took 404.25ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 65.5MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-14 01:38:49,021 INFO L158 Benchmark]: TraceAbstraction took 3400.55ms. Allocated memory was 142.6MB in the beginning and 234.9MB in the end (delta: 92.3MB). Free memory was 65.1MB in the beginning and 114.9MB in the end (delta: -49.8MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2025-03-14 01:38:49,021 INFO L158 Benchmark]: Witness Printer took 60.50ms. Allocated memory is still 234.9MB. Free memory was 114.9MB in the beginning and 110.9MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:38:49,022 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.31ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 92.2MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.40ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 90.2MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.01ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 89.2MB in the end (delta: 971.7kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 404.25ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 65.5MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3400.55ms. Allocated memory was 142.6MB in the beginning and 234.9MB in the end (delta: 92.3MB). Free memory was 65.1MB in the beginning and 114.9MB in the end (delta: -49.8MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. * Witness Printer took 60.50ms. Allocated memory is still 234.9MB. Free memory was 114.9MB in the beginning and 110.9MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 269 locations, 21 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: 3.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 514 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 322 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 789 IncrementalHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 54 mSDtfsCounter, 789 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=527occurred in iteration=6, InterpolantAutomatonStates: 28, 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, 0.7s InterpolantComputationTime, 541 NumberOfCodeBlocks, 541 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 533 ConstructedInterpolants, 0 QuantifiedInterpolants, 879 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-14 01:38:49,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE