./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_23-evilcollapse_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8fc3dc66 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/09-regions_23-evilcollapse_rc.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 edbdacd2fc511db63719a3e7d2bd257b6310a833f5bcfcddcb6829e714260082 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 11:06:24,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 11:06:24,862 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-17 11:06:24,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 11:06:24,865 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 11:06:24,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 11:06:24,884 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 11:06:24,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 11:06:24,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 11:06:24,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 11:06:24,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 11:06:24,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 11:06:24,886 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 11:06:24,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 11:06:24,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 11:06:24,886 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 11:06:24,887 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 11:06:24,887 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 11:06:24,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 11:06:24,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 11:06:24,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 11:06:24,887 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 11:06:24,887 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-17 11:06:24,887 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 11:06:24,887 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 11:06:24,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 11:06:24,887 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 11:06:24,887 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 11:06:24,888 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 11:06:24,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 11:06:24,888 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 11:06:24,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:06:24,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 11:06:24,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 11:06:24,888 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 11:06:24,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 11:06:24,889 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 11:06:24,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 11:06:24,889 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 11:06:24,889 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 11:06:24,889 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 11:06:24,889 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 11:06:24,889 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 -> edbdacd2fc511db63719a3e7d2bd257b6310a833f5bcfcddcb6829e714260082 [2025-03-17 11:06:25,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 11:06:25,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 11:06:25,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 11:06:25,110 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 11:06:25,110 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 11:06:25,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_23-evilcollapse_rc.i [2025-03-17 11:06:26,216 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/949dff83d/26d8ad4029e64562b5690d8dbba4018b/FLAG599291d96 [2025-03-17 11:06:26,548 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 11:06:26,549 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_23-evilcollapse_rc.i [2025-03-17 11:06:26,567 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/949dff83d/26d8ad4029e64562b5690d8dbba4018b/FLAG599291d96 [2025-03-17 11:06:26,770 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/949dff83d/26d8ad4029e64562b5690d8dbba4018b [2025-03-17 11:06:26,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 11:06:26,773 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 11:06:26,774 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 11:06:26,774 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 11:06:26,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 11:06:26,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:06:26" (1/1) ... [2025-03-17 11:06:26,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@555b11d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:06:26, skipping insertion in model container [2025-03-17 11:06:26,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:06:26" (1/1) ... [2025-03-17 11:06:26,800 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:06:27,118 WARN L1731 CHandler]: Possible shadowing of function new [2025-03-17 11:06:27,120 WARN L1731 CHandler]: Possible shadowing of function new [2025-03-17 11:06:27,120 WARN L1731 CHandler]: Possible shadowing of function new [2025-03-17 11:06:27,121 WARN L1731 CHandler]: Possible shadowing of function new [2025-03-17 11:06:27,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:06:27,181 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 11:06:27,215 WARN L1731 CHandler]: Possible shadowing of function new [2025-03-17 11:06:27,216 WARN L1731 CHandler]: Possible shadowing of function new [2025-03-17 11:06:27,217 WARN L1731 CHandler]: Possible shadowing of function new [2025-03-17 11:06:27,218 WARN L1731 CHandler]: Possible shadowing of function new [2025-03-17 11:06:27,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:06:27,272 INFO L204 MainTranslator]: Completed translation [2025-03-17 11:06:27,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:06:27 WrapperNode [2025-03-17 11:06:27,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 11:06:27,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 11:06:27,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 11:06:27,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 11:06:27,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:06:27" (1/1) ... [2025-03-17 11:06:27,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:06:27" (1/1) ... [2025-03-17 11:06:27,316 INFO L138 Inliner]: procedures = 274, calls = 101, calls flagged for inlining = 10, calls inlined = 11, statements flattened = 322 [2025-03-17 11:06:27,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 11:06:27,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 11:06:27,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 11:06:27,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 11:06:27,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:06:27" (1/1) ... [2025-03-17 11:06:27,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:06:27" (1/1) ... [2025-03-17 11:06:27,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:06:27" (1/1) ... [2025-03-17 11:06:27,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:06:27" (1/1) ... [2025-03-17 11:06:27,347 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:06:27" (1/1) ... [2025-03-17 11:06:27,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:06:27" (1/1) ... [2025-03-17 11:06:27,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:06:27" (1/1) ... [2025-03-17 11:06:27,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:06:27" (1/1) ... [2025-03-17 11:06:27,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 11:06:27,356 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 11:06:27,356 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 11:06:27,356 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 11:06:27,357 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:06:27" (1/1) ... [2025-03-17 11:06:27,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:06:27,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:06:27,382 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) [2025-03-17 11:06:27,385 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 [2025-03-17 11:06:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure f [2025-03-17 11:06:27,401 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2025-03-17 11:06:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-17 11:06:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-17 11:06:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-17 11:06:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-17 11:06:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-17 11:06:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-17 11:06:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 11:06:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 11:06:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-17 11:06:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-17 11:06:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 11:06:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 11:06:27,402 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-17 11:06:27,513 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 11:06:27,514 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 11:06:28,067 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-17 11:06:28,067 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 11:06:28,084 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 11:06:28,084 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 11:06:28,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:06:28 BoogieIcfgContainer [2025-03-17 11:06:28,085 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 11:06:28,086 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 11:06:28,087 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 11:06:28,092 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 11:06:28,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 11:06:26" (1/3) ... [2025-03-17 11:06:28,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@925d2a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:06:28, skipping insertion in model container [2025-03-17 11:06:28,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:06:27" (2/3) ... [2025-03-17 11:06:28,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@925d2a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:06:28, skipping insertion in model container [2025-03-17 11:06:28,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:06:28" (3/3) ... [2025-03-17 11:06:28,094 INFO L128 eAbstractionObserver]: Analyzing ICFG 09-regions_23-evilcollapse_rc.i [2025-03-17 11:06:28,105 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 11:06:28,107 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 09-regions_23-evilcollapse_rc.i that has 2 procedures, 372 locations, 1 initial locations, 4 loop locations, and 18 error locations. [2025-03-17 11:06:28,107 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-17 11:06:28,214 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-17 11:06:28,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 444 places, 447 transitions, 902 flow [2025-03-17 11:06:28,346 INFO L124 PetriNetUnfolderBase]: 10/445 cut-off events. [2025-03-17 11:06:28,348 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 11:06:28,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 452 conditions, 445 events. 10/445 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 667 event pairs, 0 based on Foata normal form. 0/413 useless extension candidates. Maximal degree in co-relation 372. Up to 2 conditions per place. [2025-03-17 11:06:28,355 INFO L82 GeneralOperation]: Start removeDead. Operand has 444 places, 447 transitions, 902 flow [2025-03-17 11:06:28,365 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 442 places, 445 transitions, 896 flow [2025-03-17 11:06:28,373 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 11:06:28,386 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;@1074b15d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 11:06:28,389 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2025-03-17 11:06:28,418 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-17 11:06:28,418 INFO L124 PetriNetUnfolderBase]: 0/102 cut-off events. [2025-03-17 11:06:28,418 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 11:06:28,418 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:06:28,419 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] [2025-03-17 11:06:28,423 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-17 11:06:28,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:06:28,427 INFO L85 PathProgramCache]: Analyzing trace with hash 922579649, now seen corresponding path program 1 times [2025-03-17 11:06:28,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:06:28,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140621727] [2025-03-17 11:06:28,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:06:28,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:06:28,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-17 11:06:28,573 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-17 11:06:28,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:06:28,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:06:29,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:06:29,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:06:29,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140621727] [2025-03-17 11:06:29,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140621727] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:06:29,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:06:29,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 11:06:29,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747175575] [2025-03-17 11:06:29,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:06:29,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 11:06:29,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:06:29,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 11:06:29,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 11:06:29,687 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 447 [2025-03-17 11:06:29,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 445 transitions, 896 flow. Second operand has 6 states, 6 states have (on average 344.3333333333333) internal successors, (2066), 6 states have internal predecessors, (2066), 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) [2025-03-17 11:06:29,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:06:29,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 447 [2025-03-17 11:06:29,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:06:30,133 INFO L124 PetriNetUnfolderBase]: 449/1922 cut-off events. [2025-03-17 11:06:30,133 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2025-03-17 11:06:30,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2837 conditions, 1922 events. 449/1922 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 11008 event pairs, 342 based on Foata normal form. 36/1745 useless extension candidates. Maximal degree in co-relation 2477. Up to 862 conditions per place. [2025-03-17 11:06:30,145 INFO L140 encePairwiseOnDemand]: 431/447 looper letters, 88 selfloop transitions, 10 changer transitions 2/439 dead transitions. [2025-03-17 11:06:30,146 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 439 transitions, 1080 flow [2025-03-17 11:06:30,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 11:06:30,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-17 11:06:30,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2162 transitions. [2025-03-17 11:06:30,163 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8061148396718867 [2025-03-17 11:06:30,164 INFO L175 Difference]: Start difference. First operand has 442 places, 445 transitions, 896 flow. Second operand 6 states and 2162 transitions. [2025-03-17 11:06:30,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 439 transitions, 1080 flow [2025-03-17 11:06:30,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 439 transitions, 1078 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:06:30,175 INFO L231 Difference]: Finished difference. Result has 443 places, 437 transitions, 898 flow [2025-03-17 11:06:30,177 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=898, PETRI_PLACES=443, PETRI_TRANSITIONS=437} [2025-03-17 11:06:30,180 INFO L279 CegarLoopForPetriNet]: 442 programPoint places, 1 predicate places. [2025-03-17 11:06:30,180 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 437 transitions, 898 flow [2025-03-17 11:06:30,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 344.3333333333333) internal successors, (2066), 6 states have internal predecessors, (2066), 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) [2025-03-17 11:06:30,181 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:06:30,181 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:06:30,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 11:06:30,181 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-17 11:06:30,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:06:30,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1451300633, now seen corresponding path program 1 times [2025-03-17 11:06:30,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:06:30,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961694273] [2025-03-17 11:06:30,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:06:30,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:06:30,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-17 11:06:30,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-17 11:06:30,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:06:30,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:06:30,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:06:30,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:06:30,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961694273] [2025-03-17 11:06:30,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961694273] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:06:30,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:06:30,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 11:06:30,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320963362] [2025-03-17 11:06:30,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:06:30,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 11:06:30,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:06:30,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 11:06:30,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 11:06:31,039 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 447 [2025-03-17 11:06:31,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 437 transitions, 898 flow. Second operand has 6 states, 6 states have (on average 344.3333333333333) internal successors, (2066), 6 states have internal predecessors, (2066), 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) [2025-03-17 11:06:31,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:06:31,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 447 [2025-03-17 11:06:31,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:06:31,267 INFO L124 PetriNetUnfolderBase]: 449/1918 cut-off events. [2025-03-17 11:06:31,267 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 11:06:31,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2842 conditions, 1918 events. 449/1918 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 11010 event pairs, 342 based on Foata normal form. 0/1709 useless extension candidates. Maximal degree in co-relation 2668. Up to 862 conditions per place. [2025-03-17 11:06:31,283 INFO L140 encePairwiseOnDemand]: 435/447 looper letters, 88 selfloop transitions, 10 changer transitions 0/435 dead transitions. [2025-03-17 11:06:31,284 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 435 transitions, 1090 flow [2025-03-17 11:06:31,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 11:06:31,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-17 11:06:31,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2158 transitions. [2025-03-17 11:06:31,290 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8046234153616704 [2025-03-17 11:06:31,290 INFO L175 Difference]: Start difference. First operand has 443 places, 437 transitions, 898 flow. Second operand 6 states and 2158 transitions. [2025-03-17 11:06:31,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 435 transitions, 1090 flow [2025-03-17 11:06:31,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 435 transitions, 1070 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-17 11:06:31,300 INFO L231 Difference]: Finished difference. Result has 439 places, 435 transitions, 894 flow [2025-03-17 11:06:31,301 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=894, PETRI_PLACES=439, PETRI_TRANSITIONS=435} [2025-03-17 11:06:31,302 INFO L279 CegarLoopForPetriNet]: 442 programPoint places, -3 predicate places. [2025-03-17 11:06:31,302 INFO L471 AbstractCegarLoop]: Abstraction has has 439 places, 435 transitions, 894 flow [2025-03-17 11:06:31,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 344.3333333333333) internal successors, (2066), 6 states have internal predecessors, (2066), 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) [2025-03-17 11:06:31,304 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:06:31,304 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:06:31,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 11:06:31,305 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-17 11:06:31,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:06:31,306 INFO L85 PathProgramCache]: Analyzing trace with hash -493508984, now seen corresponding path program 1 times [2025-03-17 11:06:31,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:06:31,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663184330] [2025-03-17 11:06:31,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:06:31,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:06:31,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-17 11:06:31,337 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-17 11:06:31,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:06:31,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:06:31,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:06:31,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:06:31,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663184330] [2025-03-17 11:06:31,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663184330] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:06:31,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:06:31,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 11:06:31,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150856517] [2025-03-17 11:06:31,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:06:31,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:06:31,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:06:31,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:06:31,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:06:31,443 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 447 [2025-03-17 11:06:31,444 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 435 transitions, 894 flow. Second operand has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 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) [2025-03-17 11:06:31,444 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:06:31,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 447 [2025-03-17 11:06:31,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:06:31,525 INFO L124 PetriNetUnfolderBase]: 29/737 cut-off events. [2025-03-17 11:06:31,526 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 11:06:31,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 813 conditions, 737 events. 29/737 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2139 event pairs, 18 based on Foata normal form. 1/682 useless extension candidates. Maximal degree in co-relation 510. Up to 45 conditions per place. [2025-03-17 11:06:31,529 INFO L140 encePairwiseOnDemand]: 444/447 looper letters, 11 selfloop transitions, 2 changer transitions 0/436 dead transitions. [2025-03-17 11:06:31,529 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 436 transitions, 922 flow [2025-03-17 11:06:31,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:06:31,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:06:31,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1307 transitions. [2025-03-17 11:06:31,532 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9746457867263236 [2025-03-17 11:06:31,532 INFO L175 Difference]: Start difference. First operand has 439 places, 435 transitions, 894 flow. Second operand 3 states and 1307 transitions. [2025-03-17 11:06:31,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 436 transitions, 922 flow [2025-03-17 11:06:31,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 436 transitions, 902 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-17 11:06:31,539 INFO L231 Difference]: Finished difference. Result has 437 places, 436 transitions, 886 flow [2025-03-17 11:06:31,540 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=886, PETRI_PLACES=437, PETRI_TRANSITIONS=436} [2025-03-17 11:06:31,541 INFO L279 CegarLoopForPetriNet]: 442 programPoint places, -5 predicate places. [2025-03-17 11:06:31,541 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 436 transitions, 886 flow [2025-03-17 11:06:31,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 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) [2025-03-17 11:06:31,541 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:06:31,542 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:06:31,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 11:06:31,542 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-17 11:06:31,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:06:31,542 INFO L85 PathProgramCache]: Analyzing trace with hash -685526810, now seen corresponding path program 1 times [2025-03-17 11:06:31,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:06:31,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654593819] [2025-03-17 11:06:31,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:06:31,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:06:31,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-17 11:06:31,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-17 11:06:31,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:06:31,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:06:31,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:06:31,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:06:31,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654593819] [2025-03-17 11:06:31,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654593819] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:06:31,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:06:31,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 11:06:31,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169000499] [2025-03-17 11:06:31,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:06:31,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 11:06:31,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:06:31,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 11:06:31,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 11:06:32,286 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 342 out of 447 [2025-03-17 11:06:32,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 436 transitions, 886 flow. Second operand has 6 states, 6 states have (on average 344.6666666666667) internal successors, (2068), 6 states have internal predecessors, (2068), 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) [2025-03-17 11:06:32,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:06:32,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 342 of 447 [2025-03-17 11:06:32,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:06:32,642 INFO L124 PetriNetUnfolderBase]: 450/2040 cut-off events. [2025-03-17 11:06:32,642 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-17 11:06:32,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3008 conditions, 2040 events. 450/2040 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 11431 event pairs, 342 based on Foata normal form. 0/1827 useless extension candidates. Maximal degree in co-relation 2751. Up to 910 conditions per place. [2025-03-17 11:06:32,682 INFO L140 encePairwiseOnDemand]: 441/447 looper letters, 95 selfloop transitions, 5 changer transitions 0/435 dead transitions. [2025-03-17 11:06:32,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 435 transitions, 1084 flow [2025-03-17 11:06:32,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 11:06:32,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-17 11:06:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2153 transitions. [2025-03-17 11:06:32,687 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8027591349739001 [2025-03-17 11:06:32,687 INFO L175 Difference]: Start difference. First operand has 437 places, 436 transitions, 886 flow. Second operand 6 states and 2153 transitions. [2025-03-17 11:06:32,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 435 transitions, 1084 flow [2025-03-17 11:06:32,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 435 transitions, 1082 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-17 11:06:32,692 INFO L231 Difference]: Finished difference. Result has 440 places, 435 transitions, 892 flow [2025-03-17 11:06:32,693 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=892, PETRI_PLACES=440, PETRI_TRANSITIONS=435} [2025-03-17 11:06:32,693 INFO L279 CegarLoopForPetriNet]: 442 programPoint places, -2 predicate places. [2025-03-17 11:06:32,694 INFO L471 AbstractCegarLoop]: Abstraction has has 440 places, 435 transitions, 892 flow [2025-03-17 11:06:32,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 344.6666666666667) internal successors, (2068), 6 states have internal predecessors, (2068), 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) [2025-03-17 11:06:32,695 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:06:32,695 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:06:32,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 11:06:32,695 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-17 11:06:32,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:06:32,696 INFO L85 PathProgramCache]: Analyzing trace with hash 252050851, now seen corresponding path program 1 times [2025-03-17 11:06:32,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:06:32,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016510464] [2025-03-17 11:06:32,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:06:32,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:06:32,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-17 11:06:32,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-17 11:06:32,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:06:32,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:06:32,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:06:32,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:06:32,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016510464] [2025-03-17 11:06:32,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016510464] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:06:32,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:06:32,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 11:06:32,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966598150] [2025-03-17 11:06:32,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:06:32,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:06:32,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:06:32,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:06:32,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:06:32,778 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 447 [2025-03-17 11:06:32,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 435 transitions, 892 flow. Second operand has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 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) [2025-03-17 11:06:32,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:06:32,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 447 [2025-03-17 11:06:32,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:06:32,864 INFO L124 PetriNetUnfolderBase]: 29/923 cut-off events. [2025-03-17 11:06:32,864 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 11:06:32,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1009 conditions, 923 events. 29/923 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2436 event pairs, 18 based on Foata normal form. 2/863 useless extension candidates. Maximal degree in co-relation 588. Up to 49 conditions per place. [2025-03-17 11:06:32,868 INFO L140 encePairwiseOnDemand]: 444/447 looper letters, 11 selfloop transitions, 2 changer transitions 0/436 dead transitions. [2025-03-17 11:06:32,868 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 436 transitions, 920 flow [2025-03-17 11:06:32,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:06:32,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:06:32,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1307 transitions. [2025-03-17 11:06:32,873 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9746457867263236 [2025-03-17 11:06:32,873 INFO L175 Difference]: Start difference. First operand has 440 places, 435 transitions, 892 flow. Second operand 3 states and 1307 transitions. [2025-03-17 11:06:32,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 442 places, 436 transitions, 920 flow [2025-03-17 11:06:32,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 436 transitions, 910 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-17 11:06:32,879 INFO L231 Difference]: Finished difference. Result has 438 places, 436 transitions, 894 flow [2025-03-17 11:06:32,881 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=438, PETRI_TRANSITIONS=436} [2025-03-17 11:06:32,881 INFO L279 CegarLoopForPetriNet]: 442 programPoint places, -4 predicate places. [2025-03-17 11:06:32,882 INFO L471 AbstractCegarLoop]: Abstraction has has 438 places, 436 transitions, 894 flow [2025-03-17 11:06:32,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 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) [2025-03-17 11:06:32,882 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:06:32,882 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:06:32,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 11:06:32,883 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-17 11:06:32,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:06:32,884 INFO L85 PathProgramCache]: Analyzing trace with hash -549419622, now seen corresponding path program 1 times [2025-03-17 11:06:32,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:06:32,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613354962] [2025-03-17 11:06:32,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:06:32,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:06:32,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-03-17 11:06:32,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-03-17 11:06:32,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:06:32,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:06:33,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:06:33,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:06:33,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613354962] [2025-03-17 11:06:33,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613354962] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:06:33,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:06:33,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 11:06:33,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808663983] [2025-03-17 11:06:33,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:06:33,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 11:06:33,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:06:33,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 11:06:33,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 11:06:33,877 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 379 out of 447 [2025-03-17 11:06:33,879 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 436 transitions, 894 flow. Second operand has 6 states, 6 states have (on average 383.5) internal successors, (2301), 6 states have internal predecessors, (2301), 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) [2025-03-17 11:06:33,880 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:06:33,880 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 379 of 447 [2025-03-17 11:06:33,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:06:34,078 INFO L124 PetriNetUnfolderBase]: 75/1235 cut-off events. [2025-03-17 11:06:34,078 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-17 11:06:34,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1556 conditions, 1235 events. 75/1235 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4487 event pairs, 42 based on Foata normal form. 0/1138 useless extension candidates. Maximal degree in co-relation 1032. Up to 267 conditions per place. [2025-03-17 11:06:34,084 INFO L140 encePairwiseOnDemand]: 441/447 looper letters, 58 selfloop transitions, 5 changer transitions 0/435 dead transitions. [2025-03-17 11:06:34,084 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 435 transitions, 1018 flow [2025-03-17 11:06:34,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 11:06:34,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-17 11:06:34,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2338 transitions. [2025-03-17 11:06:34,089 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8717375093214019 [2025-03-17 11:06:34,089 INFO L175 Difference]: Start difference. First operand has 438 places, 436 transitions, 894 flow. Second operand 6 states and 2338 transitions. [2025-03-17 11:06:34,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 442 places, 435 transitions, 1018 flow [2025-03-17 11:06:34,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 435 transitions, 1016 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-17 11:06:34,100 INFO L231 Difference]: Finished difference. Result has 441 places, 435 transitions, 900 flow [2025-03-17 11:06:34,100 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=900, PETRI_PLACES=441, PETRI_TRANSITIONS=435} [2025-03-17 11:06:34,101 INFO L279 CegarLoopForPetriNet]: 442 programPoint places, -1 predicate places. [2025-03-17 11:06:34,102 INFO L471 AbstractCegarLoop]: Abstraction has has 441 places, 435 transitions, 900 flow [2025-03-17 11:06:34,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 383.5) internal successors, (2301), 6 states have internal predecessors, (2301), 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) [2025-03-17 11:06:34,103 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:06:34,103 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:06:34,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 11:06:34,103 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-17 11:06:34,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:06:34,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1602190508, now seen corresponding path program 1 times [2025-03-17 11:06:34,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:06:34,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777781334] [2025-03-17 11:06:34,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:06:34,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:06:34,127 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-03-17 11:06:34,141 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-03-17 11:06:34,142 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:06:34,142 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:06:34,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:06:34,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:06:34,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777781334] [2025-03-17 11:06:34,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777781334] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:06:34,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:06:34,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 11:06:34,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516101038] [2025-03-17 11:06:34,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:06:34,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 11:06:34,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:06:34,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 11:06:34,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 11:06:34,821 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 342 out of 447 [2025-03-17 11:06:34,824 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 435 transitions, 900 flow. Second operand has 6 states, 6 states have (on average 347.3333333333333) internal successors, (2084), 6 states have internal predecessors, (2084), 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) [2025-03-17 11:06:34,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:06:34,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 342 of 447 [2025-03-17 11:06:34,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:06:35,167 INFO L124 PetriNetUnfolderBase]: 450/2220 cut-off events. [2025-03-17 11:06:35,167 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-17 11:06:35,171 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3292 conditions, 2220 events. 450/2220 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 12149 event pairs, 342 based on Foata normal form. 0/2007 useless extension candidates. Maximal degree in co-relation 2794. Up to 976 conditions per place. [2025-03-17 11:06:35,177 INFO L140 encePairwiseOnDemand]: 441/447 looper letters, 95 selfloop transitions, 5 changer transitions 0/434 dead transitions. [2025-03-17 11:06:35,177 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 434 transitions, 1098 flow [2025-03-17 11:06:35,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 11:06:35,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-17 11:06:35,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2153 transitions. [2025-03-17 11:06:35,181 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8027591349739001 [2025-03-17 11:06:35,181 INFO L175 Difference]: Start difference. First operand has 441 places, 435 transitions, 900 flow. Second operand 6 states and 2153 transitions. [2025-03-17 11:06:35,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 434 transitions, 1098 flow [2025-03-17 11:06:35,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 434 transitions, 1088 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-17 11:06:35,186 INFO L231 Difference]: Finished difference. Result has 440 places, 434 transitions, 898 flow [2025-03-17 11:06:35,187 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=888, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=898, PETRI_PLACES=440, PETRI_TRANSITIONS=434} [2025-03-17 11:06:35,187 INFO L279 CegarLoopForPetriNet]: 442 programPoint places, -2 predicate places. [2025-03-17 11:06:35,188 INFO L471 AbstractCegarLoop]: Abstraction has has 440 places, 434 transitions, 898 flow [2025-03-17 11:06:35,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 347.3333333333333) internal successors, (2084), 6 states have internal predecessors, (2084), 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) [2025-03-17 11:06:35,189 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:06:35,189 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:06:35,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 11:06:35,190 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-17 11:06:35,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:06:35,191 INFO L85 PathProgramCache]: Analyzing trace with hash 2078404918, now seen corresponding path program 1 times [2025-03-17 11:06:35,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:06:35,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749283077] [2025-03-17 11:06:35,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:06:35,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:06:35,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-03-17 11:06:35,217 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-03-17 11:06:35,217 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:06:35,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:06:35,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:06:35,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:06:35,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749283077] [2025-03-17 11:06:35,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749283077] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:06:35,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:06:35,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 11:06:35,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517631778] [2025-03-17 11:06:35,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:06:35,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 11:06:35,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:06:35,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 11:06:35,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 11:06:35,963 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 346 out of 447 [2025-03-17 11:06:35,966 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 434 transitions, 898 flow. Second operand has 6 states, 6 states have (on average 352.0) internal successors, (2112), 6 states have internal predecessors, (2112), 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) [2025-03-17 11:06:35,966 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:06:35,966 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 346 of 447 [2025-03-17 11:06:35,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:06:36,238 INFO L124 PetriNetUnfolderBase]: 450/2216 cut-off events. [2025-03-17 11:06:36,239 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-17 11:06:36,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3272 conditions, 2216 events. 450/2216 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 12107 event pairs, 342 based on Foata normal form. 0/2007 useless extension candidates. Maximal degree in co-relation 2810. Up to 960 conditions per place. [2025-03-17 11:06:36,251 INFO L140 encePairwiseOnDemand]: 441/447 looper letters, 91 selfloop transitions, 5 changer transitions 0/433 dead transitions. [2025-03-17 11:06:36,251 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 433 transitions, 1088 flow [2025-03-17 11:06:36,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 11:06:36,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-17 11:06:36,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2173 transitions. [2025-03-17 11:06:36,255 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8102162565249813 [2025-03-17 11:06:36,255 INFO L175 Difference]: Start difference. First operand has 440 places, 434 transitions, 898 flow. Second operand 6 states and 2173 transitions. [2025-03-17 11:06:36,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 433 transitions, 1088 flow [2025-03-17 11:06:36,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 433 transitions, 1078 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-17 11:06:36,261 INFO L231 Difference]: Finished difference. Result has 439 places, 433 transitions, 896 flow [2025-03-17 11:06:36,261 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=896, PETRI_PLACES=439, PETRI_TRANSITIONS=433} [2025-03-17 11:06:36,262 INFO L279 CegarLoopForPetriNet]: 442 programPoint places, -3 predicate places. [2025-03-17 11:06:36,262 INFO L471 AbstractCegarLoop]: Abstraction has has 439 places, 433 transitions, 896 flow [2025-03-17 11:06:36,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 352.0) internal successors, (2112), 6 states have internal predecessors, (2112), 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) [2025-03-17 11:06:36,263 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:06:36,263 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:06:36,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 11:06:36,264 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-17 11:06:36,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:06:36,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1787165951, now seen corresponding path program 1 times [2025-03-17 11:06:36,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:06:36,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014720622] [2025-03-17 11:06:36,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:06:36,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:06:36,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 181 statements into 1 equivalence classes. [2025-03-17 11:06:36,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 181 of 181 statements. [2025-03-17 11:06:36,309 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:06:36,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:06:36,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 11:06:36,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:06:36,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014720622] [2025-03-17 11:06:36,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014720622] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:06:36,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:06:36,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 11:06:36,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825348166] [2025-03-17 11:06:36,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:06:36,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 11:06:36,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:06:36,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 11:06:36,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 11:06:36,935 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 346 out of 447 [2025-03-17 11:06:36,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 433 transitions, 896 flow. Second operand has 6 states, 6 states have (on average 352.0) internal successors, (2112), 6 states have internal predecessors, (2112), 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) [2025-03-17 11:06:36,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:06:36,937 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 346 of 447 [2025-03-17 11:06:36,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:06:37,179 INFO L124 PetriNetUnfolderBase]: 450/2212 cut-off events. [2025-03-17 11:06:37,179 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 11:06:37,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3268 conditions, 2212 events. 450/2212 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 12067 event pairs, 342 based on Foata normal form. 0/2007 useless extension candidates. Maximal degree in co-relation 2825. Up to 960 conditions per place. [2025-03-17 11:06:37,191 INFO L140 encePairwiseOnDemand]: 441/447 looper letters, 91 selfloop transitions, 5 changer transitions 0/432 dead transitions. [2025-03-17 11:06:37,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 432 transitions, 1086 flow [2025-03-17 11:06:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 11:06:37,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-17 11:06:37,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2173 transitions. [2025-03-17 11:06:37,195 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8102162565249813 [2025-03-17 11:06:37,195 INFO L175 Difference]: Start difference. First operand has 439 places, 433 transitions, 896 flow. Second operand 6 states and 2173 transitions. [2025-03-17 11:06:37,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 432 transitions, 1086 flow [2025-03-17 11:06:37,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 432 transitions, 1076 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-17 11:06:37,200 INFO L231 Difference]: Finished difference. Result has 438 places, 432 transitions, 894 flow [2025-03-17 11:06:37,200 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=884, PETRI_DIFFERENCE_MINUEND_PLACES=433, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=894, PETRI_PLACES=438, PETRI_TRANSITIONS=432} [2025-03-17 11:06:37,201 INFO L279 CegarLoopForPetriNet]: 442 programPoint places, -4 predicate places. [2025-03-17 11:06:37,201 INFO L471 AbstractCegarLoop]: Abstraction has has 438 places, 432 transitions, 894 flow [2025-03-17 11:06:37,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 352.0) internal successors, (2112), 6 states have internal predecessors, (2112), 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) [2025-03-17 11:06:37,202 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:06:37,202 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:06:37,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 11:06:37,202 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-17 11:06:37,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:06:37,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1680841236, now seen corresponding path program 1 times [2025-03-17 11:06:37,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:06:37,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601551012] [2025-03-17 11:06:37,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:06:37,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:06:37,228 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-03-17 11:06:37,236 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-03-17 11:06:37,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:06:37,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:06:37,628 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-17 11:06:37,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:06:37,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601551012] [2025-03-17 11:06:37,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601551012] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:06:37,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:06:37,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 11:06:37,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093795703] [2025-03-17 11:06:37,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:06:37,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 11:06:37,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:06:37,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 11:06:37,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 11:06:38,073 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 447 [2025-03-17 11:06:38,075 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 432 transitions, 894 flow. Second operand has 6 states, 6 states have (on average 348.5) internal successors, (2091), 6 states have internal predecessors, (2091), 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) [2025-03-17 11:06:38,075 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:06:38,075 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 447 [2025-03-17 11:06:38,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:06:38,282 INFO L124 PetriNetUnfolderBase]: 450/2208 cut-off events. [2025-03-17 11:06:38,283 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-17 11:06:38,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3284 conditions, 2208 events. 450/2208 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 12010 event pairs, 342 based on Foata normal form. 0/2007 useless extension candidates. Maximal degree in co-relation 2838. Up to 980 conditions per place. [2025-03-17 11:06:38,293 INFO L140 encePairwiseOnDemand]: 441/447 looper letters, 96 selfloop transitions, 5 changer transitions 0/431 dead transitions. [2025-03-17 11:06:38,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 431 transitions, 1094 flow [2025-03-17 11:06:38,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 11:06:38,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-17 11:06:38,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2148 transitions. [2025-03-17 11:06:38,297 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8008948545861297 [2025-03-17 11:06:38,298 INFO L175 Difference]: Start difference. First operand has 438 places, 432 transitions, 894 flow. Second operand 6 states and 2148 transitions. [2025-03-17 11:06:38,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 442 places, 431 transitions, 1094 flow [2025-03-17 11:06:38,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 431 transitions, 1084 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-17 11:06:38,303 INFO L231 Difference]: Finished difference. Result has 437 places, 431 transitions, 892 flow [2025-03-17 11:06:38,304 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=892, PETRI_PLACES=437, PETRI_TRANSITIONS=431} [2025-03-17 11:06:38,305 INFO L279 CegarLoopForPetriNet]: 442 programPoint places, -5 predicate places. [2025-03-17 11:06:38,305 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 431 transitions, 892 flow [2025-03-17 11:06:38,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 348.5) internal successors, (2091), 6 states have internal predecessors, (2091), 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) [2025-03-17 11:06:38,306 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:06:38,306 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:06:38,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-17 11:06:38,306 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-17 11:06:38,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:06:38,307 INFO L85 PathProgramCache]: Analyzing trace with hash -2123973044, now seen corresponding path program 1 times [2025-03-17 11:06:38,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:06:38,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702935830] [2025-03-17 11:06:38,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:06:38,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:06:38,333 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 223 statements into 1 equivalence classes. [2025-03-17 11:06:38,342 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 223 of 223 statements. [2025-03-17 11:06:38,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:06:38,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:06:38,464 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-17 11:06:38,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:06:38,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702935830] [2025-03-17 11:06:38,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702935830] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 11:06:38,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931708675] [2025-03-17 11:06:38,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:06:38,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:06:38,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:06:38,468 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:06:38,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 11:06:38,576 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 223 statements into 1 equivalence classes. [2025-03-17 11:06:38,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 223 of 223 statements. [2025-03-17 11:06:38,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:06:38,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:06:38,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 714 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 11:06:38,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:06:38,779 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-17 11:06:38,779 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 11:06:38,884 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-17 11:06:38,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931708675] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 11:06:38,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 11:06:38,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-17 11:06:38,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944316905] [2025-03-17 11:06:38,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 11:06:38,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 11:06:38,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:06:38,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 11:06:38,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-17 11:06:38,908 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 447 [2025-03-17 11:06:38,910 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 431 transitions, 892 flow. Second operand has 10 states, 10 states have (on average 429.8) internal successors, (4298), 10 states have internal predecessors, (4298), 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) [2025-03-17 11:06:38,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:06:38,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 447 [2025-03-17 11:06:38,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:06:39,047 INFO L124 PetriNetUnfolderBase]: 29/1087 cut-off events. [2025-03-17 11:06:39,047 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-17 11:06:39,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1216 conditions, 1087 events. 29/1087 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1957 event pairs, 18 based on Foata normal form. 4/1049 useless extension candidates. Maximal degree in co-relation 581. Up to 49 conditions per place. [2025-03-17 11:06:39,050 INFO L140 encePairwiseOnDemand]: 441/447 looper letters, 15 selfloop transitions, 9 changer transitions 0/439 dead transitions. [2025-03-17 11:06:39,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 439 transitions, 958 flow [2025-03-17 11:06:39,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 11:06:39,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-17 11:06:39,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3878 transitions. [2025-03-17 11:06:39,055 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9639572458364405 [2025-03-17 11:06:39,055 INFO L175 Difference]: Start difference. First operand has 437 places, 431 transitions, 892 flow. Second operand 9 states and 3878 transitions. [2025-03-17 11:06:39,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 439 transitions, 958 flow [2025-03-17 11:06:39,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 439 transitions, 948 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-17 11:06:39,060 INFO L231 Difference]: Finished difference. Result has 443 places, 437 transitions, 932 flow [2025-03-17 11:06:39,060 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=932, PETRI_PLACES=443, PETRI_TRANSITIONS=437} [2025-03-17 11:06:39,061 INFO L279 CegarLoopForPetriNet]: 442 programPoint places, 1 predicate places. [2025-03-17 11:06:39,061 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 437 transitions, 932 flow [2025-03-17 11:06:39,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 429.8) internal successors, (4298), 10 states have internal predecessors, (4298), 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) [2025-03-17 11:06:39,062 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:06:39,063 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:06:39,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 11:06:39,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-03-17 11:06:39,263 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-17 11:06:39,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:06:39,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1000332322, now seen corresponding path program 2 times [2025-03-17 11:06:39,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:06:39,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193725761] [2025-03-17 11:06:39,265 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 11:06:39,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:06:39,327 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 403 statements into 2 equivalence classes. [2025-03-17 11:06:39,331 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 104 of 403 statements. [2025-03-17 11:06:39,332 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 11:06:39,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:06:39,552 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2025-03-17 11:06:39,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:06:39,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193725761] [2025-03-17 11:06:39,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193725761] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:06:39,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:06:39,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 11:06:39,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115743172] [2025-03-17 11:06:39,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:06:39,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 11:06:39,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:06:39,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 11:06:39,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 11:06:40,355 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 447 [2025-03-17 11:06:40,356 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 437 transitions, 932 flow. Second operand has 6 states, 6 states have (on average 377.3333333333333) internal successors, (2264), 6 states have internal predecessors, (2264), 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) [2025-03-17 11:06:40,356 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:06:40,356 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 447 [2025-03-17 11:06:40,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:06:40,519 INFO L124 PetriNetUnfolderBase]: 75/1401 cut-off events. [2025-03-17 11:06:40,519 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-03-17 11:06:40,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1801 conditions, 1401 events. 75/1401 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4024 event pairs, 42 based on Foata normal form. 0/1318 useless extension candidates. Maximal degree in co-relation 1161. Up to 314 conditions per place. [2025-03-17 11:06:40,525 INFO L140 encePairwiseOnDemand]: 435/447 looper letters, 61 selfloop transitions, 10 changer transitions 0/435 dead transitions. [2025-03-17 11:06:40,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 435 transitions, 1070 flow [2025-03-17 11:06:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 11:06:40,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-17 11:06:40,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2293 transitions. [2025-03-17 11:06:40,528 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.854958985831469 [2025-03-17 11:06:40,528 INFO L175 Difference]: Start difference. First operand has 443 places, 437 transitions, 932 flow. Second operand 6 states and 2293 transitions. [2025-03-17 11:06:40,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 435 transitions, 1070 flow [2025-03-17 11:06:40,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 435 transitions, 1064 flow, removed 2 selfloop flow, removed 1 redundant places. [2025-03-17 11:06:40,534 INFO L231 Difference]: Finished difference. Result has 445 places, 435 transitions, 942 flow [2025-03-17 11:06:40,534 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=922, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=942, PETRI_PLACES=445, PETRI_TRANSITIONS=435} [2025-03-17 11:06:40,535 INFO L279 CegarLoopForPetriNet]: 442 programPoint places, 3 predicate places. [2025-03-17 11:06:40,535 INFO L471 AbstractCegarLoop]: Abstraction has has 445 places, 435 transitions, 942 flow [2025-03-17 11:06:40,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 377.3333333333333) internal successors, (2264), 6 states have internal predecessors, (2264), 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) [2025-03-17 11:06:40,536 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:06:40,536 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:06:40,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-17 11:06:40,536 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-17 11:06:40,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:06:40,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1793072464, now seen corresponding path program 1 times [2025-03-17 11:06:40,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:06:40,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343280255] [2025-03-17 11:06:40,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:06:40,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:06:40,585 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 446 statements into 1 equivalence classes. [2025-03-17 11:06:40,602 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 446 of 446 statements. [2025-03-17 11:06:40,603 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:06:40,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:06:40,823 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2025-03-17 11:06:40,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:06:40,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343280255] [2025-03-17 11:06:40,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343280255] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 11:06:40,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218569072] [2025-03-17 11:06:40,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:06:40,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:06:40,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:06:40,826 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:06:40,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 11:06:41,008 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 446 statements into 1 equivalence classes. [2025-03-17 11:06:41,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 446 of 446 statements. [2025-03-17 11:06:41,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:06:41,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:06:41,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 1567 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 11:06:41,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:06:41,504 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 333 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-03-17 11:06:41,504 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 11:06:41,823 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 1 proven. 333 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-03-17 11:06:41,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218569072] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 11:06:41,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 11:06:41,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2025-03-17 11:06:41,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656090300] [2025-03-17 11:06:41,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 11:06:41,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-03-17 11:06:41,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:06:41,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-03-17 11:06:41,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2025-03-17 11:06:41,895 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 447 [2025-03-17 11:06:41,899 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 435 transitions, 942 flow. Second operand has 19 states, 19 states have (on average 424.5263157894737) internal successors, (8066), 19 states have internal predecessors, (8066), 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) [2025-03-17 11:06:41,899 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:06:41,899 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 447 [2025-03-17 11:06:41,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:06:43,037 INFO L124 PetriNetUnfolderBase]: 30/2465 cut-off events. [2025-03-17 11:06:43,037 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2025-03-17 11:06:43,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2781 conditions, 2465 events. 30/2465 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1959 event pairs, 18 based on Foata normal form. 13/2438 useless extension candidates. Maximal degree in co-relation 2329. Up to 51 conditions per place. [2025-03-17 11:06:43,041 INFO L140 encePairwiseOnDemand]: 436/447 looper letters, 47 selfloop transitions, 68 changer transitions 0/521 dead transitions. [2025-03-17 11:06:43,041 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 507 places, 521 transitions, 1582 flow [2025-03-17 11:06:43,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-03-17 11:06:43,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2025-03-17 11:06:43,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 26714 transitions. [2025-03-17 11:06:43,061 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9486168815027876 [2025-03-17 11:06:43,061 INFO L175 Difference]: Start difference. First operand has 445 places, 435 transitions, 942 flow. Second operand 63 states and 26714 transitions. [2025-03-17 11:06:43,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 507 places, 521 transitions, 1582 flow [2025-03-17 11:06:43,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 521 transitions, 1562 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-17 11:06:43,068 INFO L231 Difference]: Finished difference. Result has 518 places, 497 transitions, 1442 flow [2025-03-17 11:06:43,068 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=922, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=1442, PETRI_PLACES=518, PETRI_TRANSITIONS=497} [2025-03-17 11:06:43,068 INFO L279 CegarLoopForPetriNet]: 442 programPoint places, 76 predicate places. [2025-03-17 11:06:43,069 INFO L471 AbstractCegarLoop]: Abstraction has has 518 places, 497 transitions, 1442 flow [2025-03-17 11:06:43,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 424.5263157894737) internal successors, (8066), 19 states have internal predecessors, (8066), 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) [2025-03-17 11:06:43,071 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:06:43,072 INFO L206 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:06:43,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 11:06:43,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-03-17 11:06:43,272 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-17 11:06:43,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:06:43,276 INFO L85 PathProgramCache]: Analyzing trace with hash -71378938, now seen corresponding path program 2 times [2025-03-17 11:06:43,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:06:43,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451246112] [2025-03-17 11:06:43,276 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 11:06:43,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:06:43,506 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1465 statements into 2 equivalence classes. [2025-03-17 11:06:43,512 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 147 of 1465 statements. [2025-03-17 11:06:43,512 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 11:06:43,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:06:43,737 INFO L134 CoverageAnalysis]: Checked inductivity of 10209 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10209 trivial. 0 not checked. [2025-03-17 11:06:43,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:06:43,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451246112] [2025-03-17 11:06:43,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451246112] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:06:43,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:06:43,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 11:06:43,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111492474] [2025-03-17 11:06:43,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:06:43,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 11:06:43,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:06:43,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 11:06:43,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 11:06:44,146 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 379 out of 447 [2025-03-17 11:06:44,148 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 518 places, 497 transitions, 1442 flow. Second operand has 6 states, 6 states have (on average 386.3333333333333) internal successors, (2318), 6 states have internal predecessors, (2318), 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) [2025-03-17 11:06:44,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:06:44,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 379 of 447 [2025-03-17 11:06:44,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:06:44,989 INFO L124 PetriNetUnfolderBase]: 188/3246 cut-off events. [2025-03-17 11:06:44,989 INFO L125 PetriNetUnfolderBase]: For 432/432 co-relation queries the response was YES. [2025-03-17 11:06:44,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4504 conditions, 3246 events. 188/3246 cut-off events. For 432/432 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 7957 event pairs, 126 based on Foata normal form. 0/3087 useless extension candidates. Maximal degree in co-relation 2458. Up to 899 conditions per place. [2025-03-17 11:06:44,998 INFO L140 encePairwiseOnDemand]: 441/447 looper letters, 58 selfloop transitions, 5 changer transitions 0/496 dead transitions. [2025-03-17 11:06:44,998 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 496 transitions, 1566 flow [2025-03-17 11:06:44,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 11:06:44,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-17 11:06:44,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2338 transitions. [2025-03-17 11:06:45,000 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8717375093214019 [2025-03-17 11:06:45,000 INFO L175 Difference]: Start difference. First operand has 518 places, 497 transitions, 1442 flow. Second operand 6 states and 2338 transitions. [2025-03-17 11:06:45,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 496 transitions, 1566 flow [2025-03-17 11:06:45,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 496 transitions, 1490 flow, removed 19 selfloop flow, removed 7 redundant places. [2025-03-17 11:06:45,008 INFO L231 Difference]: Finished difference. Result has 515 places, 496 transitions, 1374 flow [2025-03-17 11:06:45,009 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=1364, PETRI_DIFFERENCE_MINUEND_PLACES=510, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=496, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=491, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1374, PETRI_PLACES=515, PETRI_TRANSITIONS=496} [2025-03-17 11:06:45,009 INFO L279 CegarLoopForPetriNet]: 442 programPoint places, 73 predicate places. [2025-03-17 11:06:45,009 INFO L471 AbstractCegarLoop]: Abstraction has has 515 places, 496 transitions, 1374 flow [2025-03-17 11:06:45,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 386.3333333333333) internal successors, (2318), 6 states have internal predecessors, (2318), 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) [2025-03-17 11:06:45,010 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:06:45,011 INFO L206 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:06:45,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-17 11:06:45,011 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-17 11:06:45,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:06:45,013 INFO L85 PathProgramCache]: Analyzing trace with hash -383325648, now seen corresponding path program 1 times [2025-03-17 11:06:45,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:06:45,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439885935] [2025-03-17 11:06:45,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:06:45,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:06:45,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1472 statements into 1 equivalence classes. [2025-03-17 11:06:45,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1472 of 1472 statements. [2025-03-17 11:06:45,283 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:06:45,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:06:47,363 INFO L134 CoverageAnalysis]: Checked inductivity of 10209 backedges. 5430 proven. 2317 refuted. 0 times theorem prover too weak. 2462 trivial. 0 not checked. [2025-03-17 11:06:47,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:06:47,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439885935] [2025-03-17 11:06:47,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439885935] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 11:06:47,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098391179] [2025-03-17 11:06:47,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:06:47,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:06:47,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:06:47,366 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:06:47,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 11:06:47,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1472 statements into 1 equivalence classes. [2025-03-17 11:06:48,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1472 of 1472 statements. [2025-03-17 11:06:48,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:06:48,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:06:48,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 5753 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-17 11:06:48,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:06:48,984 INFO L134 CoverageAnalysis]: Checked inductivity of 10209 backedges. 5430 proven. 2317 refuted. 0 times theorem prover too weak. 2462 trivial. 0 not checked. [2025-03-17 11:06:48,985 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 11:06:49,686 INFO L134 CoverageAnalysis]: Checked inductivity of 10209 backedges. 5430 proven. 2317 refuted. 0 times theorem prover too weak. 2462 trivial. 0 not checked. [2025-03-17 11:06:49,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098391179] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 11:06:49,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 11:06:49,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2025-03-17 11:06:49,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842002626] [2025-03-17 11:06:49,687 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 11:06:49,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-03-17 11:06:49,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:06:49,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-03-17 11:06:49,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2025-03-17 11:06:49,727 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 447 [2025-03-17 11:06:49,736 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 496 transitions, 1374 flow. Second operand has 34 states, 34 states have (on average 430.11764705882354) internal successors, (14624), 34 states have internal predecessors, (14624), 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) [2025-03-17 11:06:49,736 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:06:49,736 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 447 [2025-03-17 11:06:49,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:06:51,724 INFO L124 PetriNetUnfolderBase]: 30/4624 cut-off events. [2025-03-17 11:06:51,724 INFO L125 PetriNetUnfolderBase]: For 3207/3207 co-relation queries the response was YES. [2025-03-17 11:06:51,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5435 conditions, 4624 events. 30/4624 cut-off events. For 3207/3207 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1954 event pairs, 18 based on Foata normal form. 24/4609 useless extension candidates. Maximal degree in co-relation 5016. Up to 78 conditions per place. [2025-03-17 11:06:51,731 INFO L140 encePairwiseOnDemand]: 441/447 looper letters, 47 selfloop transitions, 135 changer transitions 0/597 dead transitions. [2025-03-17 11:06:51,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 559 places, 597 transitions, 2502 flow [2025-03-17 11:06:51,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-03-17 11:06:51,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2025-03-17 11:06:51,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 19340 transitions. [2025-03-17 11:06:51,739 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9614715386527467 [2025-03-17 11:06:51,739 INFO L175 Difference]: Start difference. First operand has 515 places, 496 transitions, 1374 flow. Second operand 45 states and 19340 transitions. [2025-03-17 11:06:51,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 559 places, 597 transitions, 2502 flow [2025-03-17 11:06:51,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 554 places, 597 transitions, 2492 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-17 11:06:51,750 INFO L231 Difference]: Finished difference. Result has 563 places, 571 transitions, 2238 flow [2025-03-17 11:06:51,751 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=1364, PETRI_DIFFERENCE_MINUEND_PLACES=510, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=496, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=2238, PETRI_PLACES=563, PETRI_TRANSITIONS=571} [2025-03-17 11:06:51,751 INFO L279 CegarLoopForPetriNet]: 442 programPoint places, 121 predicate places. [2025-03-17 11:06:51,751 INFO L471 AbstractCegarLoop]: Abstraction has has 563 places, 571 transitions, 2238 flow [2025-03-17 11:06:51,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 430.11764705882354) internal successors, (14624), 34 states have internal predecessors, (14624), 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) [2025-03-17 11:06:51,755 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:06:51,756 INFO L206 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:06:51,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 11:06:51,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:06:51,956 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-17 11:06:51,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:06:51,961 INFO L85 PathProgramCache]: Analyzing trace with hash 949250352, now seen corresponding path program 2 times [2025-03-17 11:06:51,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:06:51,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488583228] [2025-03-17 11:06:51,961 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 11:06:51,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:06:52,261 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 2912 statements into 2 equivalence classes. [2025-03-17 11:06:52,267 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 154 of 2912 statements. [2025-03-17 11:06:52,267 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 11:06:52,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:06:52,481 INFO L134 CoverageAnalysis]: Checked inductivity of 48241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48241 trivial. 0 not checked. [2025-03-17 11:06:52,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:06:52,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488583228] [2025-03-17 11:06:52,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488583228] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:06:52,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:06:52,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 11:06:52,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131712180] [2025-03-17 11:06:52,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:06:52,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 11:06:52,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:06:52,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 11:06:52,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 11:06:52,788 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 447 [2025-03-17 11:06:52,789 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 563 places, 571 transitions, 2238 flow. Second operand has 6 states, 6 states have (on average 351.1666666666667) internal successors, (2107), 6 states have internal predecessors, (2107), 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) [2025-03-17 11:06:52,789 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:06:52,789 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 447 [2025-03-17 11:06:52,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:06:57,074 INFO L124 PetriNetUnfolderBase]: 1238/7764 cut-off events. [2025-03-17 11:06:57,074 INFO L125 PetriNetUnfolderBase]: For 1218/1218 co-relation queries the response was YES. [2025-03-17 11:06:57,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12031 conditions, 7764 events. 1238/7764 cut-off events. For 1218/1218 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 28112 event pairs, 1026 based on Foata normal form. 0/7379 useless extension candidates. Maximal degree in co-relation 7672. Up to 3430 conditions per place. [2025-03-17 11:06:57,097 INFO L140 encePairwiseOnDemand]: 441/447 looper letters, 96 selfloop transitions, 5 changer transitions 0/570 dead transitions. [2025-03-17 11:06:57,097 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 567 places, 570 transitions, 2438 flow [2025-03-17 11:06:57,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 11:06:57,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-17 11:06:57,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2148 transitions. [2025-03-17 11:06:57,098 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8008948545861297 [2025-03-17 11:06:57,098 INFO L175 Difference]: Start difference. First operand has 563 places, 571 transitions, 2238 flow. Second operand 6 states and 2148 transitions. [2025-03-17 11:06:57,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 567 places, 570 transitions, 2438 flow [2025-03-17 11:06:57,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 549 places, 570 transitions, 2330 flow, removed 0 selfloop flow, removed 18 redundant places. [2025-03-17 11:06:57,111 INFO L231 Difference]: Finished difference. Result has 549 places, 570 transitions, 2138 flow [2025-03-17 11:06:57,112 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=2128, PETRI_DIFFERENCE_MINUEND_PLACES=544, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=570, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=565, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2138, PETRI_PLACES=549, PETRI_TRANSITIONS=570} [2025-03-17 11:06:57,113 INFO L279 CegarLoopForPetriNet]: 442 programPoint places, 107 predicate places. [2025-03-17 11:06:57,113 INFO L471 AbstractCegarLoop]: Abstraction has has 549 places, 570 transitions, 2138 flow [2025-03-17 11:06:57,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 351.1666666666667) internal successors, (2107), 6 states have internal predecessors, (2107), 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) [2025-03-17 11:06:57,113 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:06:57,114 INFO L206 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:06:57,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-17 11:06:57,114 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-17 11:06:57,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:06:57,119 INFO L85 PathProgramCache]: Analyzing trace with hash 2000931794, now seen corresponding path program 1 times [2025-03-17 11:06:57,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:06:57,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911804296] [2025-03-17 11:06:57,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:06:57,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:06:57,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2941 statements into 1 equivalence classes. [2025-03-17 11:06:57,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2941 of 2941 statements. [2025-03-17 11:06:57,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:06:57,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:07:09,095 INFO L134 CoverageAnalysis]: Checked inductivity of 48391 backedges. 24881 proven. 11565 refuted. 0 times theorem prover too weak. 11945 trivial. 0 not checked. [2025-03-17 11:07:09,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:07:09,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911804296] [2025-03-17 11:07:09,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911804296] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 11:07:09,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813449505] [2025-03-17 11:07:09,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:07:09,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 11:07:09,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:07:09,098 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 11:07:09,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 11:07:10,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2941 statements into 1 equivalence classes. [2025-03-17 11:07:11,104 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2941 of 2941 statements. [2025-03-17 11:07:11,104 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:07:11,104 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:07:11,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 11716 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-17 11:07:11,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 11:07:12,231 INFO L134 CoverageAnalysis]: Checked inductivity of 48391 backedges. 24881 proven. 11565 refuted. 0 times theorem prover too weak. 11945 trivial. 0 not checked. [2025-03-17 11:07:12,231 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 11:07:13,756 INFO L134 CoverageAnalysis]: Checked inductivity of 48391 backedges. 24881 proven. 11565 refuted. 0 times theorem prover too weak. 11945 trivial. 0 not checked. [2025-03-17 11:07:13,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813449505] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 11:07:13,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 11:07:13,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2025-03-17 11:07:13,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047770735] [2025-03-17 11:07:13,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 11:07:13,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-03-17 11:07:13,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:07:13,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-03-17 11:07:13,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2025-03-17 11:07:13,803 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 447 [2025-03-17 11:07:13,820 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 549 places, 570 transitions, 2138 flow. Second operand has 63 states, 63 states have (on average 430.12698412698415) internal successors, (27098), 63 states have internal predecessors, (27098), 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) [2025-03-17 11:07:13,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:07:13,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 447 [2025-03-17 11:07:13,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:07:19,810 INFO L124 PetriNetUnfolderBase]: 30/8673 cut-off events. [2025-03-17 11:07:19,810 INFO L125 PetriNetUnfolderBase]: For 13371/13371 co-relation queries the response was YES. [2025-03-17 11:07:19,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10603 conditions, 8673 events. 30/8673 cut-off events. For 13371/13371 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1958 event pairs, 18 based on Foata normal form. 45/8680 useless extension candidates. Maximal degree in co-relation 10183. Up to 168 conditions per place. [2025-03-17 11:07:19,826 INFO L140 encePairwiseOnDemand]: 441/447 looper letters, 92 selfloop transitions, 270 changer transitions 0/776 dead transitions. [2025-03-17 11:07:19,826 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 638 places, 776 transitions, 5048 flow [2025-03-17 11:07:19,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-03-17 11:07:19,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2025-03-17 11:07:19,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 38667 transitions. [2025-03-17 11:07:19,840 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9611483967188665 [2025-03-17 11:07:19,840 INFO L175 Difference]: Start difference. First operand has 549 places, 570 transitions, 2138 flow. Second operand 90 states and 38667 transitions. [2025-03-17 11:07:19,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 638 places, 776 transitions, 5048 flow [2025-03-17 11:07:19,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 633 places, 776 transitions, 5038 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-17 11:07:19,862 INFO L231 Difference]: Finished difference. Result has 649 places, 708 transitions, 4120 flow [2025-03-17 11:07:19,862 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=2128, PETRI_DIFFERENCE_MINUEND_PLACES=544, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=570, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=90, PETRI_FLOW=4120, PETRI_PLACES=649, PETRI_TRANSITIONS=708} [2025-03-17 11:07:19,863 INFO L279 CegarLoopForPetriNet]: 442 programPoint places, 207 predicate places. [2025-03-17 11:07:19,863 INFO L471 AbstractCegarLoop]: Abstraction has has 649 places, 708 transitions, 4120 flow [2025-03-17 11:07:19,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 430.12698412698415) internal successors, (27098), 63 states have internal predecessors, (27098), 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) [2025-03-17 11:07:19,867 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:07:19,868 INFO L206 CegarLoopForPetriNet]: trace histogram [60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:07:19,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 11:07:20,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-17 11:07:20,069 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-17 11:07:20,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:07:20,078 INFO L85 PathProgramCache]: Analyzing trace with hash 688133746, now seen corresponding path program 2 times [2025-03-17 11:07:20,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:07:20,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583507077] [2025-03-17 11:07:20,078 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 11:07:20,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:07:20,603 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 5641 statements into 2 equivalence classes. [2025-03-17 11:07:20,605 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 183 of 5641 statements. [2025-03-17 11:07:20,605 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 11:07:20,605 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:07:20,904 INFO L134 CoverageAnalysis]: Checked inductivity of 195751 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195751 trivial. 0 not checked. [2025-03-17 11:07:20,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:07:20,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583507077] [2025-03-17 11:07:20,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583507077] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:07:20,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:07:20,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 11:07:20,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367612001] [2025-03-17 11:07:20,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:07:20,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 11:07:20,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:07:20,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 11:07:20,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 11:07:21,647 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 447 [2025-03-17 11:07:21,649 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 649 places, 708 transitions, 4120 flow. Second operand has 6 states, 6 states have (on average 388.1666666666667) internal successors, (2329), 6 states have internal predecessors, (2329), 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) [2025-03-17 11:07:21,649 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:07:21,649 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 447 [2025-03-17 11:07:21,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:07:28,563 INFO L124 PetriNetUnfolderBase]: 200/9574 cut-off events. [2025-03-17 11:07:28,563 INFO L125 PetriNetUnfolderBase]: For 3537/3537 co-relation queries the response was YES. [2025-03-17 11:07:28,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14432 conditions, 9574 events. 200/9574 cut-off events. For 3537/3537 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 8938 event pairs, 54 based on Foata normal form. 0/9431 useless extension candidates. Maximal degree in co-relation 8410. Up to 2812 conditions per place. [2025-03-17 11:07:28,593 INFO L140 encePairwiseOnDemand]: 435/447 looper letters, 75 selfloop transitions, 23 changer transitions 0/743 dead transitions. [2025-03-17 11:07:28,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 743 transitions, 4394 flow [2025-03-17 11:07:28,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 11:07:28,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-17 11:07:28,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2379 transitions. [2025-03-17 11:07:28,596 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8870246085011185 [2025-03-17 11:07:28,596 INFO L175 Difference]: Start difference. First operand has 649 places, 708 transitions, 4120 flow. Second operand 6 states and 2379 transitions. [2025-03-17 11:07:28,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 743 transitions, 4394 flow [2025-03-17 11:07:28,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 612 places, 743 transitions, 4040 flow, removed 51 selfloop flow, removed 42 redundant places. [2025-03-17 11:07:28,630 INFO L231 Difference]: Finished difference. Result has 617 places, 730 transitions, 3924 flow [2025-03-17 11:07:28,630 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=3766, PETRI_DIFFERENCE_MINUEND_PLACES=607, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=708, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=697, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3924, PETRI_PLACES=617, PETRI_TRANSITIONS=730} [2025-03-17 11:07:28,631 INFO L279 CegarLoopForPetriNet]: 442 programPoint places, 175 predicate places. [2025-03-17 11:07:28,631 INFO L471 AbstractCegarLoop]: Abstraction has has 617 places, 730 transitions, 3924 flow [2025-03-17 11:07:28,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 388.1666666666667) internal successors, (2329), 6 states have internal predecessors, (2329), 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) [2025-03-17 11:07:28,631 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:07:28,633 INFO L206 CegarLoopForPetriNet]: trace histogram [60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:07:28,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-17 11:07:28,633 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-03-17 11:07:28,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:07:28,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1650208684, now seen corresponding path program 1 times [2025-03-17 11:07:28,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:07:28,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424538449] [2025-03-17 11:07:28,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:07:28,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:07:29,316 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5647 statements into 1 equivalence classes. [2025-03-17 11:07:30,014 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5647 of 5647 statements. [2025-03-17 11:07:30,014 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:07:30,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat