./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 6aeaf730cbe4eb831d189bfd9925d1660c7714b9e685f389bc2495c0943d6472 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:26:25,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:26:25,135 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:26:25,140 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:26:25,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:26:25,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:26:25,154 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:26:25,154 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:26:25,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:26:25,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:26:25,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:26:25,155 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:26:25,155 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:26:25,155 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:26:25,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:26:25,155 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:26:25,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:26:25,155 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:26:25,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:26:25,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:26:25,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:26:25,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:26:25,156 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:26:25,156 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:26:25,156 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:26:25,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:26:25,156 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:26:25,156 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:26:25,156 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:26:25,156 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:26:25,156 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:26:25,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:26:25,156 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:26:25,156 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:26:25,157 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:26:25,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:26:25,157 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:26:25,157 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:26:25,157 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:26:25,157 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:26:25,157 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:26:25,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:26:25,157 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:26:25,157 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:26:25,157 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:26:25,157 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:26:25,158 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-jdk21/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 -> 6aeaf730cbe4eb831d189bfd9925d1660c7714b9e685f389bc2495c0943d6472 [2025-01-09 21:26:25,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:26:25,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:26:25,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:26:25,344 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:26:25,345 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:26:25,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2025-01-09 21:26:26,592 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bac9b4c8b/c28a2fe8f2e94c14a380ecf3abea075e/FLAGa7d6e1704 [2025-01-09 21:26:26,903 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:26:26,904 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2025-01-09 21:26:26,920 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bac9b4c8b/c28a2fe8f2e94c14a380ecf3abea075e/FLAGa7d6e1704 [2025-01-09 21:26:26,932 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bac9b4c8b/c28a2fe8f2e94c14a380ecf3abea075e [2025-01-09 21:26:26,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:26:26,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:26:26,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:26:26,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:26:26,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:26:26,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:26:26" (1/1) ... [2025-01-09 21:26:26,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28de40df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:26, skipping insertion in model container [2025-01-09 21:26:26,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:26:26" (1/1) ... [2025-01-09 21:26:26,960 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:26:27,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:26:27,239 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:26:27,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:26:27,296 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:26:27,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:27 WrapperNode [2025-01-09 21:26:27,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:26:27,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:26:27,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:26:27,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:26:27,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:27" (1/1) ... [2025-01-09 21:26:27,310 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:27" (1/1) ... [2025-01-09 21:26:27,327 INFO L138 Inliner]: procedures = 165, calls = 35, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 171 [2025-01-09 21:26:27,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:26:27,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:26:27,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:26:27,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:26:27,333 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:27" (1/1) ... [2025-01-09 21:26:27,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:27" (1/1) ... [2025-01-09 21:26:27,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:27" (1/1) ... [2025-01-09 21:26:27,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:27" (1/1) ... [2025-01-09 21:26:27,345 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:27" (1/1) ... [2025-01-09 21:26:27,346 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:27" (1/1) ... [2025-01-09 21:26:27,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:27" (1/1) ... [2025-01-09 21:26:27,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:27" (1/1) ... [2025-01-09 21:26:27,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:27" (1/1) ... [2025-01-09 21:26:27,355 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:26:27,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:26:27,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:26:27,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:26:27,357 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:27" (1/1) ... [2025-01-09 21:26:27,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:26:27,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:26:27,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 21:26:27,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 21:26:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-09 21:26:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2025-01-09 21:26:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2025-01-09 21:26:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-09 21:26:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-01-09 21:26:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:26:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:26:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-01-09 21:26:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:26:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:26:27,422 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-09 21:26:27,496 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:26:27,497 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:26:27,715 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:26:27,715 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:26:27,746 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:26:27,748 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 21:26:27,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:26:27 BoogieIcfgContainer [2025-01-09 21:26:27,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:26:27,750 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:26:27,751 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:26:27,754 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:26:27,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:26:26" (1/3) ... [2025-01-09 21:26:27,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bdad2c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:26:27, skipping insertion in model container [2025-01-09 21:26:27,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:26:27" (2/3) ... [2025-01-09 21:26:27,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bdad2c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:26:27, skipping insertion in model container [2025-01-09 21:26:27,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:26:27" (3/3) ... [2025-01-09 21:26:27,757 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2025-01-09 21:26:27,770 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:26:27,773 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_68-pfscan_protected_loop_minimal_interval_true.i that has 2 procedures, 197 locations, 1 initial locations, 3 loop locations, and 10 error locations. [2025-01-09 21:26:27,774 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:26:27,858 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-01-09 21:26:27,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 200 places, 206 transitions, 416 flow [2025-01-09 21:26:27,956 INFO L124 PetriNetUnfolderBase]: 10/205 cut-off events. [2025-01-09 21:26:27,957 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:26:27,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 205 events. 10/205 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 412 event pairs, 0 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 161. Up to 2 conditions per place. [2025-01-09 21:26:27,964 INFO L82 GeneralOperation]: Start removeDead. Operand has 200 places, 206 transitions, 416 flow [2025-01-09 21:26:27,968 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 199 places, 205 transitions, 413 flow [2025-01-09 21:26:27,976 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:26:27,985 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;@356ee160, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:26:27,986 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2025-01-09 21:26:27,991 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:26:27,991 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2025-01-09 21:26:27,992 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:26:27,992 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:27,992 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:26:27,993 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-01-09 21:26:27,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:27,996 INFO L85 PathProgramCache]: Analyzing trace with hash -512101648, now seen corresponding path program 1 times [2025-01-09 21:26:28,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:28,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025261468] [2025-01-09 21:26:28,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:26:28,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:28,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-09 21:26:28,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-09 21:26:28,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:26:28,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:28,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:26:28,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:28,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025261468] [2025-01-09 21:26:28,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025261468] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:28,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:28,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:26:28,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498552016] [2025-01-09 21:26:28,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:28,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:26:28,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:28,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:26:28,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:26:28,774 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 206 [2025-01-09 21:26:28,778 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 205 transitions, 413 flow. Second operand has 6 states, 6 states have (on average 146.33333333333334) internal successors, (878), 6 states have internal predecessors, (878), 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) [2025-01-09 21:26:28,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:28,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 206 [2025-01-09 21:26:28,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:29,072 INFO L124 PetriNetUnfolderBase]: 479/1990 cut-off events. [2025-01-09 21:26:29,073 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-01-09 21:26:29,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2876 conditions, 1990 events. 479/1990 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 14208 event pairs, 378 based on Foata normal form. 102/1898 useless extension candidates. Maximal degree in co-relation 2817. Up to 877 conditions per place. [2025-01-09 21:26:29,084 INFO L140 encePairwiseOnDemand]: 194/206 looper letters, 47 selfloop transitions, 5 changer transitions 0/192 dead transitions. [2025-01-09 21:26:29,085 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 192 transitions, 491 flow [2025-01-09 21:26:29,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:26:29,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:26:29,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 929 transitions. [2025-01-09 21:26:29,096 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7516181229773463 [2025-01-09 21:26:29,098 INFO L175 Difference]: Start difference. First operand has 199 places, 205 transitions, 413 flow. Second operand 6 states and 929 transitions. [2025-01-09 21:26:29,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 192 transitions, 491 flow [2025-01-09 21:26:29,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 192 transitions, 490 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-09 21:26:29,108 INFO L231 Difference]: Finished difference. Result has 195 places, 192 transitions, 396 flow [2025-01-09 21:26:29,110 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=396, PETRI_PLACES=195, PETRI_TRANSITIONS=192} [2025-01-09 21:26:29,115 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, -4 predicate places. [2025-01-09 21:26:29,115 INFO L471 AbstractCegarLoop]: Abstraction has has 195 places, 192 transitions, 396 flow [2025-01-09 21:26:29,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 146.33333333333334) internal successors, (878), 6 states have internal predecessors, (878), 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) [2025-01-09 21:26:29,116 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:29,116 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] [2025-01-09 21:26:29,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:26:29,117 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-01-09 21:26:29,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:29,117 INFO L85 PathProgramCache]: Analyzing trace with hash -952397381, now seen corresponding path program 1 times [2025-01-09 21:26:29,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:29,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271702184] [2025-01-09 21:26:29,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:26:29,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:29,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-01-09 21:26:29,161 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-01-09 21:26:29,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:26:29,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:29,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:26:29,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:29,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271702184] [2025-01-09 21:26:29,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271702184] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:29,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:29,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:26:29,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17329703] [2025-01-09 21:26:29,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:29,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:26:29,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:29,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:26:29,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:26:29,771 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 206 [2025-01-09 21:26:29,773 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 192 transitions, 396 flow. Second operand has 6 states, 6 states have (on average 148.16666666666666) internal successors, (889), 6 states have internal predecessors, (889), 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) [2025-01-09 21:26:29,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:29,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 206 [2025-01-09 21:26:29,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:30,164 INFO L124 PetriNetUnfolderBase]: 592/2760 cut-off events. [2025-01-09 21:26:30,165 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-01-09 21:26:30,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3875 conditions, 2760 events. 592/2760 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 21933 event pairs, 78 based on Foata normal form. 0/2530 useless extension candidates. Maximal degree in co-relation 3831. Up to 653 conditions per place. [2025-01-09 21:26:30,179 INFO L140 encePairwiseOnDemand]: 170/206 looper letters, 76 selfloop transitions, 43 changer transitions 0/259 dead transitions. [2025-01-09 21:26:30,179 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 259 transitions, 768 flow [2025-01-09 21:26:30,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:26:30,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:26:30,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1000 transitions. [2025-01-09 21:26:30,182 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8090614886731392 [2025-01-09 21:26:30,182 INFO L175 Difference]: Start difference. First operand has 195 places, 192 transitions, 396 flow. Second operand 6 states and 1000 transitions. [2025-01-09 21:26:30,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 259 transitions, 768 flow [2025-01-09 21:26:30,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 259 transitions, 758 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-01-09 21:26:30,195 INFO L231 Difference]: Finished difference. Result has 200 places, 235 transitions, 716 flow [2025-01-09 21:26:30,198 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=716, PETRI_PLACES=200, PETRI_TRANSITIONS=235} [2025-01-09 21:26:30,199 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 1 predicate places. [2025-01-09 21:26:30,199 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 235 transitions, 716 flow [2025-01-09 21:26:30,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 148.16666666666666) internal successors, (889), 6 states have internal predecessors, (889), 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) [2025-01-09 21:26:30,200 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:30,200 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] [2025-01-09 21:26:30,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:26:30,200 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-01-09 21:26:30,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:30,204 INFO L85 PathProgramCache]: Analyzing trace with hash 942355989, now seen corresponding path program 1 times [2025-01-09 21:26:30,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:30,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141727260] [2025-01-09 21:26:30,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:26:30,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:30,216 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-01-09 21:26:30,228 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-01-09 21:26:30,232 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:26:30,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:30,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:26:30,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:30,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141727260] [2025-01-09 21:26:30,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141727260] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:30,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:30,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:26:30,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861849547] [2025-01-09 21:26:30,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:30,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:26:30,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:30,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:26:30,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:26:30,818 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 206 [2025-01-09 21:26:30,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 235 transitions, 716 flow. Second operand has 6 states, 6 states have (on average 166.16666666666666) internal successors, (997), 6 states have internal predecessors, (997), 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) [2025-01-09 21:26:30,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:30,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 206 [2025-01-09 21:26:30,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:31,149 INFO L124 PetriNetUnfolderBase]: 621/3628 cut-off events. [2025-01-09 21:26:31,149 INFO L125 PetriNetUnfolderBase]: For 626/725 co-relation queries the response was YES. [2025-01-09 21:26:31,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6131 conditions, 3628 events. 621/3628 cut-off events. For 626/725 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 29358 event pairs, 81 based on Foata normal form. 20/3444 useless extension candidates. Maximal degree in co-relation 6074. Up to 760 conditions per place. [2025-01-09 21:26:31,164 INFO L140 encePairwiseOnDemand]: 188/206 looper letters, 66 selfloop transitions, 36 changer transitions 0/286 dead transitions. [2025-01-09 21:26:31,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 286 transitions, 1064 flow [2025-01-09 21:26:31,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:26:31,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:26:31,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1063 transitions. [2025-01-09 21:26:31,167 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.860032362459547 [2025-01-09 21:26:31,167 INFO L175 Difference]: Start difference. First operand has 200 places, 235 transitions, 716 flow. Second operand 6 states and 1063 transitions. [2025-01-09 21:26:31,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 286 transitions, 1064 flow [2025-01-09 21:26:31,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 286 transitions, 1064 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:26:31,174 INFO L231 Difference]: Finished difference. Result has 210 places, 270 transitions, 1016 flow [2025-01-09 21:26:31,174 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1016, PETRI_PLACES=210, PETRI_TRANSITIONS=270} [2025-01-09 21:26:31,175 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 11 predicate places. [2025-01-09 21:26:31,175 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 270 transitions, 1016 flow [2025-01-09 21:26:31,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 166.16666666666666) internal successors, (997), 6 states have internal predecessors, (997), 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) [2025-01-09 21:26:31,176 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:31,176 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] [2025-01-09 21:26:31,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:26:31,176 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-01-09 21:26:31,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:31,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1788007723, now seen corresponding path program 1 times [2025-01-09 21:26:31,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:31,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653539971] [2025-01-09 21:26:31,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:26:31,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:31,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-01-09 21:26:31,205 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-01-09 21:26:31,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:26:31,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:31,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:26:31,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:31,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653539971] [2025-01-09 21:26:31,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653539971] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:31,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:31,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:26:31,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969391342] [2025-01-09 21:26:31,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:31,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:26:31,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:31,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:26:31,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:26:31,585 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 206 [2025-01-09 21:26:31,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 270 transitions, 1016 flow. Second operand has 6 states, 6 states have (on average 148.0) internal successors, (888), 6 states have internal predecessors, (888), 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) [2025-01-09 21:26:31,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:31,587 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 206 [2025-01-09 21:26:31,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:32,586 INFO L124 PetriNetUnfolderBase]: 2543/8386 cut-off events. [2025-01-09 21:26:32,587 INFO L125 PetriNetUnfolderBase]: For 4726/5024 co-relation queries the response was YES. [2025-01-09 21:26:32,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19147 conditions, 8386 events. 2543/8386 cut-off events. For 4726/5024 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 71095 event pairs, 840 based on Foata normal form. 115/8034 useless extension candidates. Maximal degree in co-relation 19085. Up to 4332 conditions per place. [2025-01-09 21:26:32,628 INFO L140 encePairwiseOnDemand]: 175/206 looper letters, 129 selfloop transitions, 153 changer transitions 0/426 dead transitions. [2025-01-09 21:26:32,630 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 426 transitions, 2276 flow [2025-01-09 21:26:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:26:32,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:26:32,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1033 transitions. [2025-01-09 21:26:32,633 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8357605177993528 [2025-01-09 21:26:32,633 INFO L175 Difference]: Start difference. First operand has 210 places, 270 transitions, 1016 flow. Second operand 6 states and 1033 transitions. [2025-01-09 21:26:32,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 426 transitions, 2276 flow [2025-01-09 21:26:32,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 426 transitions, 2276 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:26:32,658 INFO L231 Difference]: Finished difference. Result has 220 places, 413 transitions, 2406 flow [2025-01-09 21:26:32,659 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=1016, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2406, PETRI_PLACES=220, PETRI_TRANSITIONS=413} [2025-01-09 21:26:32,660 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 21 predicate places. [2025-01-09 21:26:32,660 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 413 transitions, 2406 flow [2025-01-09 21:26:32,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 148.0) internal successors, (888), 6 states have internal predecessors, (888), 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) [2025-01-09 21:26:32,661 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:32,661 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] [2025-01-09 21:26:32,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 21:26:32,661 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-01-09 21:26:32,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:32,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1100944048, now seen corresponding path program 1 times [2025-01-09 21:26:32,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:32,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411715815] [2025-01-09 21:26:32,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:26:32,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:32,678 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-01-09 21:26:32,695 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-09 21:26:32,695 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:26:32,695 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:33,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:26:33,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:33,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411715815] [2025-01-09 21:26:33,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411715815] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:33,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:33,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 21:26:33,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334467082] [2025-01-09 21:26:33,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:33,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 21:26:33,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:33,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 21:26:33,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-09 21:26:33,771 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 206 [2025-01-09 21:26:33,773 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 413 transitions, 2406 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:26:33,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:33,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 206 [2025-01-09 21:26:33,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:34,810 INFO L124 PetriNetUnfolderBase]: 2205/9652 cut-off events. [2025-01-09 21:26:34,811 INFO L125 PetriNetUnfolderBase]: For 7821/8629 co-relation queries the response was YES. [2025-01-09 21:26:34,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22847 conditions, 9652 events. 2205/9652 cut-off events. For 7821/8629 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 98753 event pairs, 123 based on Foata normal form. 47/9256 useless extension candidates. Maximal degree in co-relation 22782. Up to 2012 conditions per place. [2025-01-09 21:26:34,866 INFO L140 encePairwiseOnDemand]: 193/206 looper letters, 46 selfloop transitions, 18 changer transitions 0/456 dead transitions. [2025-01-09 21:26:34,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 456 transitions, 2682 flow [2025-01-09 21:26:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 21:26:34,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-01-09 21:26:34,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1493 transitions. [2025-01-09 21:26:34,869 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9059466019417476 [2025-01-09 21:26:34,869 INFO L175 Difference]: Start difference. First operand has 220 places, 413 transitions, 2406 flow. Second operand 8 states and 1493 transitions. [2025-01-09 21:26:34,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 456 transitions, 2682 flow [2025-01-09 21:26:34,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 456 transitions, 2542 flow, removed 70 selfloop flow, removed 0 redundant places. [2025-01-09 21:26:34,908 INFO L231 Difference]: Finished difference. Result has 231 places, 425 transitions, 2387 flow [2025-01-09 21:26:34,908 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=2274, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2387, PETRI_PLACES=231, PETRI_TRANSITIONS=425} [2025-01-09 21:26:34,909 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 32 predicate places. [2025-01-09 21:26:34,909 INFO L471 AbstractCegarLoop]: Abstraction has has 231 places, 425 transitions, 2387 flow [2025-01-09 21:26:34,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:26:34,910 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:34,910 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] [2025-01-09 21:26:34,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 21:26:34,910 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-01-09 21:26:34,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:34,911 INFO L85 PathProgramCache]: Analyzing trace with hash 209038098, now seen corresponding path program 2 times [2025-01-09 21:26:34,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:34,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136310393] [2025-01-09 21:26:34,911 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 21:26:34,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:34,926 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 85 statements into 1 equivalence classes. [2025-01-09 21:26:34,945 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-09 21:26:34,946 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-09 21:26:34,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:35,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:26:35,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:35,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136310393] [2025-01-09 21:26:35,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136310393] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:35,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:35,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 21:26:35,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725507259] [2025-01-09 21:26:35,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:35,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 21:26:35,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:35,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 21:26:35,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-01-09 21:26:35,829 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 206 [2025-01-09 21:26:35,831 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 425 transitions, 2387 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:26:35,831 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:35,831 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 206 [2025-01-09 21:26:35,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:36,885 INFO L124 PetriNetUnfolderBase]: 2810/11543 cut-off events. [2025-01-09 21:26:36,886 INFO L125 PetriNetUnfolderBase]: For 10083/11202 co-relation queries the response was YES. [2025-01-09 21:26:36,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28829 conditions, 11543 events. 2810/11543 cut-off events. For 10083/11202 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 116443 event pairs, 118 based on Foata normal form. 125/11181 useless extension candidates. Maximal degree in co-relation 28758. Up to 2384 conditions per place. [2025-01-09 21:26:36,952 INFO L140 encePairwiseOnDemand]: 194/206 looper letters, 53 selfloop transitions, 22 changer transitions 0/467 dead transitions. [2025-01-09 21:26:36,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 467 transitions, 2765 flow [2025-01-09 21:26:36,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 21:26:36,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-01-09 21:26:36,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1488 transitions. [2025-01-09 21:26:36,955 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9029126213592233 [2025-01-09 21:26:36,956 INFO L175 Difference]: Start difference. First operand has 231 places, 425 transitions, 2387 flow. Second operand 8 states and 1488 transitions. [2025-01-09 21:26:36,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 467 transitions, 2765 flow [2025-01-09 21:26:36,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 467 transitions, 2728 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-01-09 21:26:36,999 INFO L231 Difference]: Finished difference. Result has 238 places, 434 transitions, 2491 flow [2025-01-09 21:26:36,999 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=2376, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2491, PETRI_PLACES=238, PETRI_TRANSITIONS=434} [2025-01-09 21:26:37,000 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 39 predicate places. [2025-01-09 21:26:37,000 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 434 transitions, 2491 flow [2025-01-09 21:26:37,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:26:37,001 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:37,001 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] [2025-01-09 21:26:37,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 21:26:37,001 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-01-09 21:26:37,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:37,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1912589080, now seen corresponding path program 3 times [2025-01-09 21:26:37,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:37,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446461222] [2025-01-09 21:26:37,002 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-09 21:26:37,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:37,012 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 85 statements into 1 equivalence classes. [2025-01-09 21:26:37,018 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-09 21:26:37,019 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-09 21:26:37,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:37,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:26:37,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:37,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446461222] [2025-01-09 21:26:37,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446461222] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:37,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:37,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 21:26:37,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025094675] [2025-01-09 21:26:37,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:37,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 21:26:37,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:37,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 21:26:37,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-09 21:26:37,991 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 206 [2025-01-09 21:26:37,992 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 434 transitions, 2491 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:26:37,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:37,993 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 206 [2025-01-09 21:26:37,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:39,469 INFO L124 PetriNetUnfolderBase]: 3559/14766 cut-off events. [2025-01-09 21:26:39,469 INFO L125 PetriNetUnfolderBase]: For 15869/17356 co-relation queries the response was YES. [2025-01-09 21:26:39,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38378 conditions, 14766 events. 3559/14766 cut-off events. For 15869/17356 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 159612 event pairs, 146 based on Foata normal form. 133/14280 useless extension candidates. Maximal degree in co-relation 38304. Up to 3137 conditions per place. [2025-01-09 21:26:39,567 INFO L140 encePairwiseOnDemand]: 193/206 looper letters, 72 selfloop transitions, 24 changer transitions 0/488 dead transitions. [2025-01-09 21:26:39,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 488 transitions, 3053 flow [2025-01-09 21:26:39,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 21:26:39,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-01-09 21:26:39,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1499 transitions. [2025-01-09 21:26:39,573 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9095873786407767 [2025-01-09 21:26:39,573 INFO L175 Difference]: Start difference. First operand has 238 places, 434 transitions, 2491 flow. Second operand 8 states and 1499 transitions. [2025-01-09 21:26:39,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 488 transitions, 3053 flow [2025-01-09 21:26:39,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 488 transitions, 2994 flow, removed 8 selfloop flow, removed 3 redundant places. [2025-01-09 21:26:39,634 INFO L231 Difference]: Finished difference. Result has 247 places, 452 transitions, 2702 flow [2025-01-09 21:26:39,635 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=2466, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2702, PETRI_PLACES=247, PETRI_TRANSITIONS=452} [2025-01-09 21:26:39,637 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 48 predicate places. [2025-01-09 21:26:39,637 INFO L471 AbstractCegarLoop]: Abstraction has has 247 places, 452 transitions, 2702 flow [2025-01-09 21:26:39,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:26:39,638 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:39,638 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] [2025-01-09 21:26:39,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 21:26:39,638 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-01-09 21:26:39,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:39,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1091058510, now seen corresponding path program 4 times [2025-01-09 21:26:39,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:39,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550544278] [2025-01-09 21:26:39,639 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-09 21:26:39,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:39,657 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 85 statements into 2 equivalence classes. [2025-01-09 21:26:39,671 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 77 of 85 statements. [2025-01-09 21:26:39,672 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-09 21:26:39,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:39,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:26:39,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:39,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550544278] [2025-01-09 21:26:39,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550544278] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:39,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:39,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 21:26:39,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570573310] [2025-01-09 21:26:39,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:39,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 21:26:39,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:39,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 21:26:39,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-09 21:26:40,440 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 206 [2025-01-09 21:26:40,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 452 transitions, 2702 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:26:40,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:40,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 206 [2025-01-09 21:26:40,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:41,941 INFO L124 PetriNetUnfolderBase]: 4289/17442 cut-off events. [2025-01-09 21:26:41,942 INFO L125 PetriNetUnfolderBase]: For 23417/25444 co-relation queries the response was YES. [2025-01-09 21:26:41,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46374 conditions, 17442 events. 4289/17442 cut-off events. For 23417/25444 co-relation queries the response was YES. Maximal size of possible extension queue 434. Compared 195182 event pairs, 173 based on Foata normal form. 198/16913 useless extension candidates. Maximal degree in co-relation 46295. Up to 3675 conditions per place. [2025-01-09 21:26:42,043 INFO L140 encePairwiseOnDemand]: 192/206 looper letters, 78 selfloop transitions, 43 changer transitions 0/513 dead transitions. [2025-01-09 21:26:42,043 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 513 transitions, 3446 flow [2025-01-09 21:26:42,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 21:26:42,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-01-09 21:26:42,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1494 transitions. [2025-01-09 21:26:42,047 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9065533980582524 [2025-01-09 21:26:42,047 INFO L175 Difference]: Start difference. First operand has 247 places, 452 transitions, 2702 flow. Second operand 8 states and 1494 transitions. [2025-01-09 21:26:42,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 513 transitions, 3446 flow [2025-01-09 21:26:42,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 513 transitions, 3397 flow, removed 24 selfloop flow, removed 1 redundant places. [2025-01-09 21:26:42,292 INFO L231 Difference]: Finished difference. Result has 257 places, 476 transitions, 3025 flow [2025-01-09 21:26:42,293 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=2663, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3025, PETRI_PLACES=257, PETRI_TRANSITIONS=476} [2025-01-09 21:26:42,295 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 58 predicate places. [2025-01-09 21:26:42,295 INFO L471 AbstractCegarLoop]: Abstraction has has 257 places, 476 transitions, 3025 flow [2025-01-09 21:26:42,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:26:42,296 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:42,296 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] [2025-01-09 21:26:42,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 21:26:42,297 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-01-09 21:26:42,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:42,298 INFO L85 PathProgramCache]: Analyzing trace with hash 639620058, now seen corresponding path program 5 times [2025-01-09 21:26:42,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:42,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528981909] [2025-01-09 21:26:42,298 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-09 21:26:42,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:42,308 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 85 statements into 1 equivalence classes. [2025-01-09 21:26:42,320 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-09 21:26:42,321 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-09 21:26:42,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:42,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:26:42,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:42,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528981909] [2025-01-09 21:26:42,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528981909] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:42,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:42,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 21:26:42,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676778196] [2025-01-09 21:26:42,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:42,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 21:26:42,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:42,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 21:26:42,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-09 21:26:43,101 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 206 [2025-01-09 21:26:43,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 476 transitions, 3025 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:26:43,102 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:43,102 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 206 [2025-01-09 21:26:43,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:45,231 INFO L124 PetriNetUnfolderBase]: 4333/17757 cut-off events. [2025-01-09 21:26:45,232 INFO L125 PetriNetUnfolderBase]: For 31655/33938 co-relation queries the response was YES. [2025-01-09 21:26:45,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49621 conditions, 17757 events. 4333/17757 cut-off events. For 31655/33938 co-relation queries the response was YES. Maximal size of possible extension queue 441. Compared 199669 event pairs, 171 based on Foata normal form. 192/17196 useless extension candidates. Maximal degree in co-relation 49537. Up to 3725 conditions per place. [2025-01-09 21:26:45,382 INFO L140 encePairwiseOnDemand]: 192/206 looper letters, 96 selfloop transitions, 34 changer transitions 0/522 dead transitions. [2025-01-09 21:26:45,382 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 522 transitions, 3741 flow [2025-01-09 21:26:45,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 21:26:45,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-01-09 21:26:45,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1501 transitions. [2025-01-09 21:26:45,385 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9108009708737864 [2025-01-09 21:26:45,385 INFO L175 Difference]: Start difference. First operand has 257 places, 476 transitions, 3025 flow. Second operand 8 states and 1501 transitions. [2025-01-09 21:26:45,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 522 transitions, 3741 flow [2025-01-09 21:26:45,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 522 transitions, 3638 flow, removed 24 selfloop flow, removed 3 redundant places. [2025-01-09 21:26:45,487 INFO L231 Difference]: Finished difference. Result has 264 places, 492 transitions, 3228 flow [2025-01-09 21:26:45,488 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=2940, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=476, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3228, PETRI_PLACES=264, PETRI_TRANSITIONS=492} [2025-01-09 21:26:45,489 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 65 predicate places. [2025-01-09 21:26:45,489 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 492 transitions, 3228 flow [2025-01-09 21:26:45,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:26:45,489 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:45,490 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] [2025-01-09 21:26:45,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-09 21:26:45,490 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-01-09 21:26:45,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:45,490 INFO L85 PathProgramCache]: Analyzing trace with hash 425824212, now seen corresponding path program 6 times [2025-01-09 21:26:45,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:45,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798824675] [2025-01-09 21:26:45,491 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-09 21:26:45,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:45,503 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 85 statements into 1 equivalence classes. [2025-01-09 21:26:45,512 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-09 21:26:45,512 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-01-09 21:26:45,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:45,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:26:45,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:45,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798824675] [2025-01-09 21:26:45,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798824675] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:45,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:45,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 21:26:45,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045203241] [2025-01-09 21:26:45,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:45,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 21:26:45,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:45,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 21:26:45,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-09 21:26:46,219 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 206 [2025-01-09 21:26:46,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 492 transitions, 3228 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:26:46,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:46,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 206 [2025-01-09 21:26:46,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:47,798 INFO L124 PetriNetUnfolderBase]: 4290/17701 cut-off events. [2025-01-09 21:26:47,798 INFO L125 PetriNetUnfolderBase]: For 35822/38066 co-relation queries the response was YES. [2025-01-09 21:26:47,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49672 conditions, 17701 events. 4290/17701 cut-off events. For 35822/38066 co-relation queries the response was YES. Maximal size of possible extension queue 441. Compared 199480 event pairs, 184 based on Foata normal form. 309/17280 useless extension candidates. Maximal degree in co-relation 49585. Up to 3700 conditions per place. [2025-01-09 21:26:47,940 INFO L140 encePairwiseOnDemand]: 193/206 looper letters, 103 selfloop transitions, 43 changer transitions 0/538 dead transitions. [2025-01-09 21:26:47,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 538 transitions, 3989 flow [2025-01-09 21:26:47,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 21:26:47,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-01-09 21:26:47,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1495 transitions. [2025-01-09 21:26:47,942 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9071601941747572 [2025-01-09 21:26:47,942 INFO L175 Difference]: Start difference. First operand has 264 places, 492 transitions, 3228 flow. Second operand 8 states and 1495 transitions. [2025-01-09 21:26:47,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 538 transitions, 3989 flow [2025-01-09 21:26:48,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 538 transitions, 3932 flow, removed 7 selfloop flow, removed 4 redundant places. [2025-01-09 21:26:48,036 INFO L231 Difference]: Finished difference. Result has 271 places, 504 transitions, 3488 flow [2025-01-09 21:26:48,037 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=3181, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=452, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3488, PETRI_PLACES=271, PETRI_TRANSITIONS=504} [2025-01-09 21:26:48,037 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 72 predicate places. [2025-01-09 21:26:48,037 INFO L471 AbstractCegarLoop]: Abstraction has has 271 places, 504 transitions, 3488 flow [2025-01-09 21:26:48,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:26:48,038 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:48,038 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] [2025-01-09 21:26:48,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-09 21:26:48,038 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-01-09 21:26:48,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:48,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1989970022, now seen corresponding path program 7 times [2025-01-09 21:26:48,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:48,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761693030] [2025-01-09 21:26:48,039 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-09 21:26:48,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:48,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-01-09 21:26:48,056 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-09 21:26:48,056 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:26:48,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:48,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:26:48,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:48,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761693030] [2025-01-09 21:26:48,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761693030] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:48,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:48,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 21:26:48,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298203820] [2025-01-09 21:26:48,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:48,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 21:26:48,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:48,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 21:26:48,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-09 21:26:48,690 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 206 [2025-01-09 21:26:48,691 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 504 transitions, 3488 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:26:48,692 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:48,692 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 206 [2025-01-09 21:26:48,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:50,646 INFO L124 PetriNetUnfolderBase]: 4338/18049 cut-off events. [2025-01-09 21:26:50,646 INFO L125 PetriNetUnfolderBase]: For 47748/50246 co-relation queries the response was YES. [2025-01-09 21:26:50,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52312 conditions, 18049 events. 4338/18049 cut-off events. For 47748/50246 co-relation queries the response was YES. Maximal size of possible extension queue 451. Compared 204875 event pairs, 173 based on Foata normal form. 391/17678 useless extension candidates. Maximal degree in co-relation 52221. Up to 3822 conditions per place. [2025-01-09 21:26:50,740 INFO L140 encePairwiseOnDemand]: 193/206 looper letters, 111 selfloop transitions, 43 changer transitions 0/546 dead transitions. [2025-01-09 21:26:50,741 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 546 transitions, 4305 flow [2025-01-09 21:26:50,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 21:26:50,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-01-09 21:26:50,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1496 transitions. [2025-01-09 21:26:50,743 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9077669902912622 [2025-01-09 21:26:50,743 INFO L175 Difference]: Start difference. First operand has 271 places, 504 transitions, 3488 flow. Second operand 8 states and 1496 transitions. [2025-01-09 21:26:50,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 546 transitions, 4305 flow [2025-01-09 21:26:50,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 546 transitions, 4263 flow, removed 8 selfloop flow, removed 3 redundant places. [2025-01-09 21:26:50,843 INFO L231 Difference]: Finished difference. Result has 280 places, 519 transitions, 3807 flow [2025-01-09 21:26:50,843 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=3450, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=504, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3807, PETRI_PLACES=280, PETRI_TRANSITIONS=519} [2025-01-09 21:26:50,844 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 81 predicate places. [2025-01-09 21:26:50,844 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 519 transitions, 3807 flow [2025-01-09 21:26:50,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:26:50,844 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:50,844 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] [2025-01-09 21:26:50,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-09 21:26:50,845 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-01-09 21:26:50,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:50,845 INFO L85 PathProgramCache]: Analyzing trace with hash 107456854, now seen corresponding path program 8 times [2025-01-09 21:26:50,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:50,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042885519] [2025-01-09 21:26:50,845 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 21:26:50,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:50,853 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 85 statements into 1 equivalence classes. [2025-01-09 21:26:50,857 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-09 21:26:50,857 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-09 21:26:50,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:51,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:26:51,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:51,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042885519] [2025-01-09 21:26:51,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042885519] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:51,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:51,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 21:26:51,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825595225] [2025-01-09 21:26:51,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:51,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 21:26:51,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:51,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 21:26:51,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-09 21:26:51,509 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 206 [2025-01-09 21:26:51,510 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 519 transitions, 3807 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:26:51,510 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:51,510 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 206 [2025-01-09 21:26:51,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:53,070 INFO L124 PetriNetUnfolderBase]: 3668/15761 cut-off events. [2025-01-09 21:26:53,070 INFO L125 PetriNetUnfolderBase]: For 45579/47664 co-relation queries the response was YES. [2025-01-09 21:26:53,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46142 conditions, 15761 events. 3668/15761 cut-off events. For 45579/47664 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 173476 event pairs, 143 based on Foata normal form. 240/15318 useless extension candidates. Maximal degree in co-relation 46046. Up to 3318 conditions per place. [2025-01-09 21:26:53,206 INFO L140 encePairwiseOnDemand]: 192/206 looper letters, 113 selfloop transitions, 48 changer transitions 0/553 dead transitions. [2025-01-09 21:26:53,206 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 553 transitions, 4558 flow [2025-01-09 21:26:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 21:26:53,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-01-09 21:26:53,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1497 transitions. [2025-01-09 21:26:53,209 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.908373786407767 [2025-01-09 21:26:53,209 INFO L175 Difference]: Start difference. First operand has 280 places, 519 transitions, 3807 flow. Second operand 8 states and 1497 transitions. [2025-01-09 21:26:53,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 553 transitions, 4558 flow [2025-01-09 21:26:53,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 553 transitions, 4422 flow, removed 61 selfloop flow, removed 2 redundant places. [2025-01-09 21:26:53,314 INFO L231 Difference]: Finished difference. Result has 288 places, 532 transitions, 4029 flow [2025-01-09 21:26:53,315 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=3644, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=516, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=476, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4029, PETRI_PLACES=288, PETRI_TRANSITIONS=532} [2025-01-09 21:26:53,315 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 89 predicate places. [2025-01-09 21:26:53,315 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 532 transitions, 4029 flow [2025-01-09 21:26:53,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:26:53,316 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:53,316 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] [2025-01-09 21:26:53,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-09 21:26:53,316 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-01-09 21:26:53,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:53,317 INFO L85 PathProgramCache]: Analyzing trace with hash 150200732, now seen corresponding path program 9 times [2025-01-09 21:26:53,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:53,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065471169] [2025-01-09 21:26:53,317 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-09 21:26:53,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:53,324 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 85 statements into 1 equivalence classes. [2025-01-09 21:26:53,328 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-09 21:26:53,328 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-09 21:26:53,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:53,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:26:53,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:53,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065471169] [2025-01-09 21:26:53,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065471169] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:53,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:53,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 21:26:53,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696403577] [2025-01-09 21:26:53,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:53,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 21:26:53,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:53,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 21:26:53,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-01-09 21:26:53,915 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 206 [2025-01-09 21:26:53,916 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 532 transitions, 4029 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:26:53,917 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:53,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 206 [2025-01-09 21:26:53,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:55,428 INFO L124 PetriNetUnfolderBase]: 3682/15766 cut-off events. [2025-01-09 21:26:55,428 INFO L125 PetriNetUnfolderBase]: For 46057/48350 co-relation queries the response was YES. [2025-01-09 21:26:55,506 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46335 conditions, 15766 events. 3682/15766 cut-off events. For 46057/48350 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 171607 event pairs, 134 based on Foata normal form. 505/15577 useless extension candidates. Maximal degree in co-relation 46236. Up to 3297 conditions per place. [2025-01-09 21:26:55,550 INFO L140 encePairwiseOnDemand]: 194/206 looper letters, 99 selfloop transitions, 81 changer transitions 0/572 dead transitions. [2025-01-09 21:26:55,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 572 transitions, 5016 flow [2025-01-09 21:26:55,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 21:26:55,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-01-09 21:26:55,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1488 transitions. [2025-01-09 21:26:55,553 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9029126213592233 [2025-01-09 21:26:55,553 INFO L175 Difference]: Start difference. First operand has 288 places, 532 transitions, 4029 flow. Second operand 8 states and 1488 transitions. [2025-01-09 21:26:55,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 572 transitions, 5016 flow [2025-01-09 21:26:55,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 572 transitions, 4907 flow, removed 23 selfloop flow, removed 4 redundant places. [2025-01-09 21:26:55,670 INFO L231 Difference]: Finished difference. Result has 294 places, 540 transitions, 4286 flow [2025-01-09 21:26:55,670 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=3930, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4286, PETRI_PLACES=294, PETRI_TRANSITIONS=540} [2025-01-09 21:26:55,671 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 95 predicate places. [2025-01-09 21:26:55,671 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 540 transitions, 4286 flow [2025-01-09 21:26:55,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:26:55,672 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:55,672 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] [2025-01-09 21:26:55,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-01-09 21:26:55,672 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-01-09 21:26:55,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:55,673 INFO L85 PathProgramCache]: Analyzing trace with hash -573615242, now seen corresponding path program 10 times [2025-01-09 21:26:55,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:55,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068089431] [2025-01-09 21:26:55,673 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-09 21:26:55,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:55,683 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 85 statements into 2 equivalence classes. [2025-01-09 21:26:55,687 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 77 of 85 statements. [2025-01-09 21:26:55,687 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-09 21:26:55,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:55,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:26:55,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:55,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068089431] [2025-01-09 21:26:55,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068089431] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:55,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:55,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 21:26:55,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604727461] [2025-01-09 21:26:55,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:55,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 21:26:55,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:55,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 21:26:55,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-09 21:26:56,259 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 206 [2025-01-09 21:26:56,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 540 transitions, 4286 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:26:56,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:56,260 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 206 [2025-01-09 21:26:56,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:26:57,855 INFO L124 PetriNetUnfolderBase]: 3098/13993 cut-off events. [2025-01-09 21:26:57,855 INFO L125 PetriNetUnfolderBase]: For 47481/49685 co-relation queries the response was YES. [2025-01-09 21:26:57,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41819 conditions, 13993 events. 3098/13993 cut-off events. For 47481/49685 co-relation queries the response was YES. Maximal size of possible extension queue 265. Compared 148964 event pairs, 117 based on Foata normal form. 329/13710 useless extension candidates. Maximal degree in co-relation 41717. Up to 2878 conditions per place. [2025-01-09 21:26:58,005 INFO L140 encePairwiseOnDemand]: 192/206 looper letters, 121 selfloop transitions, 62 changer transitions 0/575 dead transitions. [2025-01-09 21:26:58,005 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 575 transitions, 5150 flow [2025-01-09 21:26:58,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 21:26:58,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-01-09 21:26:58,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1493 transitions. [2025-01-09 21:26:58,007 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9059466019417476 [2025-01-09 21:26:58,008 INFO L175 Difference]: Start difference. First operand has 294 places, 540 transitions, 4286 flow. Second operand 8 states and 1493 transitions. [2025-01-09 21:26:58,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 575 transitions, 5150 flow [2025-01-09 21:26:58,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 575 transitions, 5001 flow, removed 48 selfloop flow, removed 3 redundant places. [2025-01-09 21:26:58,136 INFO L231 Difference]: Finished difference. Result has 301 places, 553 transitions, 4521 flow [2025-01-09 21:26:58,137 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=4103, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=482, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4521, PETRI_PLACES=301, PETRI_TRANSITIONS=553} [2025-01-09 21:26:58,137 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 102 predicate places. [2025-01-09 21:26:58,137 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 553 transitions, 4521 flow [2025-01-09 21:26:58,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:26:58,138 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:26:58,138 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] [2025-01-09 21:26:58,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-09 21:26:58,138 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-01-09 21:26:58,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:26:58,139 INFO L85 PathProgramCache]: Analyzing trace with hash 24209554, now seen corresponding path program 11 times [2025-01-09 21:26:58,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:26:58,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149786861] [2025-01-09 21:26:58,139 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-09 21:26:58,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:26:58,152 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 85 statements into 1 equivalence classes. [2025-01-09 21:26:58,157 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-09 21:26:58,158 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-09 21:26:58,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:26:58,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:26:58,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:26:58,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149786861] [2025-01-09 21:26:58,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149786861] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:26:58,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:26:58,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 21:26:58,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825339633] [2025-01-09 21:26:58,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:26:58,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 21:26:58,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:26:58,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 21:26:58,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-09 21:26:58,770 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 206 [2025-01-09 21:26:58,771 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 553 transitions, 4521 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:26:58,771 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:26:58,771 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 206 [2025-01-09 21:26:58,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:27:00,370 INFO L124 PetriNetUnfolderBase]: 3098/13969 cut-off events. [2025-01-09 21:27:00,370 INFO L125 PetriNetUnfolderBase]: For 54564/56905 co-relation queries the response was YES. [2025-01-09 21:27:00,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42425 conditions, 13969 events. 3098/13969 cut-off events. For 54564/56905 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 148472 event pairs, 107 based on Foata normal form. 308/13671 useless extension candidates. Maximal degree in co-relation 42320. Up to 2853 conditions per place. [2025-01-09 21:27:00,499 INFO L140 encePairwiseOnDemand]: 193/206 looper letters, 162 selfloop transitions, 33 changer transitions 0/587 dead transitions. [2025-01-09 21:27:00,499 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 587 transitions, 5388 flow [2025-01-09 21:27:00,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 21:27:00,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-01-09 21:27:00,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1499 transitions. [2025-01-09 21:27:00,501 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9095873786407767 [2025-01-09 21:27:00,501 INFO L175 Difference]: Start difference. First operand has 301 places, 553 transitions, 4521 flow. Second operand 8 states and 1499 transitions. [2025-01-09 21:27:00,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 587 transitions, 5388 flow [2025-01-09 21:27:00,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 587 transitions, 5291 flow, removed 24 selfloop flow, removed 3 redundant places. [2025-01-09 21:27:00,782 INFO L231 Difference]: Finished difference. Result has 309 places, 563 transitions, 4701 flow [2025-01-09 21:27:00,782 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=4436, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=523, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4701, PETRI_PLACES=309, PETRI_TRANSITIONS=563} [2025-01-09 21:27:00,783 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 110 predicate places. [2025-01-09 21:27:00,783 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 563 transitions, 4701 flow [2025-01-09 21:27:00,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:27:00,783 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:27:00,783 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] [2025-01-09 21:27:00,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-01-09 21:27:00,784 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-01-09 21:27:00,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:27:00,784 INFO L85 PathProgramCache]: Analyzing trace with hash -409308970, now seen corresponding path program 12 times [2025-01-09 21:27:00,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:27:00,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692169245] [2025-01-09 21:27:00,784 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-09 21:27:00,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:27:00,792 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 85 statements into 1 equivalence classes. [2025-01-09 21:27:00,799 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-09 21:27:00,799 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-01-09 21:27:00,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:27:00,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:27:00,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:27:00,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692169245] [2025-01-09 21:27:00,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692169245] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:27:00,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:27:00,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 21:27:00,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399057762] [2025-01-09 21:27:00,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:27:00,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 21:27:00,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:27:00,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 21:27:00,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-09 21:27:01,465 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 206 [2025-01-09 21:27:01,467 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 563 transitions, 4701 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:27:01,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:27:01,467 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 206 [2025-01-09 21:27:01,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:27:03,701 INFO L124 PetriNetUnfolderBase]: 3128/14336 cut-off events. [2025-01-09 21:27:03,702 INFO L125 PetriNetUnfolderBase]: For 54529/56877 co-relation queries the response was YES. [2025-01-09 21:27:03,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43496 conditions, 14336 events. 3128/14336 cut-off events. For 54529/56877 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 153500 event pairs, 114 based on Foata normal form. 282/13994 useless extension candidates. Maximal degree in co-relation 43387. Up to 2928 conditions per place. [2025-01-09 21:27:03,868 INFO L140 encePairwiseOnDemand]: 192/206 looper letters, 157 selfloop transitions, 48 changer transitions 0/597 dead transitions. [2025-01-09 21:27:03,868 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 597 transitions, 5667 flow [2025-01-09 21:27:03,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 21:27:03,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-01-09 21:27:03,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1498 transitions. [2025-01-09 21:27:03,870 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9089805825242718 [2025-01-09 21:27:03,870 INFO L175 Difference]: Start difference. First operand has 309 places, 563 transitions, 4701 flow. Second operand 8 states and 1498 transitions. [2025-01-09 21:27:03,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 597 transitions, 5667 flow [2025-01-09 21:27:04,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 597 transitions, 5503 flow, removed 66 selfloop flow, removed 3 redundant places. [2025-01-09 21:27:04,049 INFO L231 Difference]: Finished difference. Result has 316 places, 579 transitions, 5027 flow [2025-01-09 21:27:04,050 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=4619, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=563, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=522, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5027, PETRI_PLACES=316, PETRI_TRANSITIONS=579} [2025-01-09 21:27:04,050 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 117 predicate places. [2025-01-09 21:27:04,050 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 579 transitions, 5027 flow [2025-01-09 21:27:04,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:27:04,051 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:27:04,051 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] [2025-01-09 21:27:04,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-01-09 21:27:04,051 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-01-09 21:27:04,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:27:04,052 INFO L85 PathProgramCache]: Analyzing trace with hash 347613326, now seen corresponding path program 13 times [2025-01-09 21:27:04,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:27:04,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264886879] [2025-01-09 21:27:04,052 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-09 21:27:04,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:27:04,063 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-01-09 21:27:04,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-09 21:27:04,072 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:27:04,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:27:04,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:27:04,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:27:04,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264886879] [2025-01-09 21:27:04,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264886879] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:27:04,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:27:04,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 21:27:04,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085631069] [2025-01-09 21:27:04,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:27:04,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 21:27:04,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:27:04,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 21:27:04,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-09 21:27:04,929 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 206 [2025-01-09 21:27:04,930 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 579 transitions, 5027 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:27:04,931 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:27:04,931 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 206 [2025-01-09 21:27:04,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:27:06,639 INFO L124 PetriNetUnfolderBase]: 2472/12076 cut-off events. [2025-01-09 21:27:06,639 INFO L125 PetriNetUnfolderBase]: For 43602/45428 co-relation queries the response was YES. [2025-01-09 21:27:06,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35971 conditions, 12076 events. 2472/12076 cut-off events. For 43602/45428 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 125796 event pairs, 93 based on Foata normal form. 228/11760 useless extension candidates. Maximal degree in co-relation 35859. Up to 2447 conditions per place. [2025-01-09 21:27:06,743 INFO L140 encePairwiseOnDemand]: 192/206 looper letters, 161 selfloop transitions, 50 changer transitions 0/603 dead transitions. [2025-01-09 21:27:06,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 603 transitions, 5825 flow [2025-01-09 21:27:06,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 21:27:06,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-01-09 21:27:06,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1501 transitions. [2025-01-09 21:27:06,745 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9108009708737864 [2025-01-09 21:27:06,745 INFO L175 Difference]: Start difference. First operand has 316 places, 579 transitions, 5027 flow. Second operand 8 states and 1501 transitions. [2025-01-09 21:27:06,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 603 transitions, 5825 flow [2025-01-09 21:27:06,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 603 transitions, 5700 flow, removed 33 selfloop flow, removed 4 redundant places. [2025-01-09 21:27:06,883 INFO L231 Difference]: Finished difference. Result has 322 places, 592 transitions, 5304 flow [2025-01-09 21:27:06,883 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=4863, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=576, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=534, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5304, PETRI_PLACES=322, PETRI_TRANSITIONS=592} [2025-01-09 21:27:06,884 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 123 predicate places. [2025-01-09 21:27:06,884 INFO L471 AbstractCegarLoop]: Abstraction has has 322 places, 592 transitions, 5304 flow [2025-01-09 21:27:06,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:27:06,885 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:27:06,885 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] [2025-01-09 21:27:06,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-01-09 21:27:06,885 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-01-09 21:27:06,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:27:06,886 INFO L85 PathProgramCache]: Analyzing trace with hash 601395560, now seen corresponding path program 14 times [2025-01-09 21:27:06,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:27:06,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59365667] [2025-01-09 21:27:06,886 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 21:27:06,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:27:06,904 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 85 statements into 1 equivalence classes. [2025-01-09 21:27:06,907 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-09 21:27:06,908 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-09 21:27:06,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:27:07,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:27:07,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:27:07,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59365667] [2025-01-09 21:27:07,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59365667] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:27:07,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:27:07,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 21:27:07,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402523736] [2025-01-09 21:27:07,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:27:07,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 21:27:07,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:27:07,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 21:27:07,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-09 21:27:07,506 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 206 [2025-01-09 21:27:07,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 592 transitions, 5304 flow. Second operand has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:27:07,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:27:07,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 206 [2025-01-09 21:27:07,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:27:08,002 INFO L124 PetriNetUnfolderBase]: 370/3904 cut-off events. [2025-01-09 21:27:08,003 INFO L125 PetriNetUnfolderBase]: For 16615/16863 co-relation queries the response was YES. [2025-01-09 21:27:08,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11099 conditions, 3904 events. 370/3904 cut-off events. For 16615/16863 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 36339 event pairs, 15 based on Foata normal form. 76/3802 useless extension candidates. Maximal degree in co-relation 10984. Up to 738 conditions per place. [2025-01-09 21:27:08,037 INFO L140 encePairwiseOnDemand]: 195/206 looper letters, 118 selfloop transitions, 82 changer transitions 0/373 dead transitions. [2025-01-09 21:27:08,037 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 373 transitions, 4028 flow [2025-01-09 21:27:08,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 21:27:08,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-01-09 21:27:08,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1491 transitions. [2025-01-09 21:27:08,039 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9047330097087378 [2025-01-09 21:27:08,039 INFO L175 Difference]: Start difference. First operand has 322 places, 592 transitions, 5304 flow. Second operand 8 states and 1491 transitions. [2025-01-09 21:27:08,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 373 transitions, 4028 flow [2025-01-09 21:27:08,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 373 transitions, 3529 flow, removed 124 selfloop flow, removed 18 redundant places. [2025-01-09 21:27:08,085 INFO L231 Difference]: Finished difference. Result has 306 places, 369 transitions, 3318 flow [2025-01-09 21:27:08,086 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=3034, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3318, PETRI_PLACES=306, PETRI_TRANSITIONS=369} [2025-01-09 21:27:08,086 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 107 predicate places. [2025-01-09 21:27:08,086 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 369 transitions, 3318 flow [2025-01-09 21:27:08,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 181.375) internal successors, (1451), 8 states have internal predecessors, (1451), 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) [2025-01-09 21:27:08,087 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:27:08,087 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] [2025-01-09 21:27:08,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-01-09 21:27:08,087 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-01-09 21:27:08,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:27:08,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1237469579, now seen corresponding path program 1 times [2025-01-09 21:27:08,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:27:08,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186251674] [2025-01-09 21:27:08,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:27:08,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:27:08,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-01-09 21:27:08,101 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-01-09 21:27:08,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:27:08,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:27:08,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:27:08,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:27:08,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186251674] [2025-01-09 21:27:08,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186251674] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:27:08,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:27:08,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-01-09 21:27:08,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080577626] [2025-01-09 21:27:08,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:27:08,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-09 21:27:08,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:27:08,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-09 21:27:08,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-01-09 21:27:08,656 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 206 [2025-01-09 21:27:08,657 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 369 transitions, 3318 flow. Second operand has 9 states, 9 states have (on average 175.0) internal successors, (1575), 9 states have internal predecessors, (1575), 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) [2025-01-09 21:27:08,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:27:08,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 206 [2025-01-09 21:27:08,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:27:09,154 INFO L124 PetriNetUnfolderBase]: 420/4648 cut-off events. [2025-01-09 21:27:09,154 INFO L125 PetriNetUnfolderBase]: For 15935/16108 co-relation queries the response was YES. [2025-01-09 21:27:09,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10763 conditions, 4648 events. 420/4648 cut-off events. For 15935/16108 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 41295 event pairs, 11 based on Foata normal form. 124/4589 useless extension candidates. Maximal degree in co-relation 10645. Up to 567 conditions per place. [2025-01-09 21:27:09,185 INFO L140 encePairwiseOnDemand]: 195/206 looper letters, 157 selfloop transitions, 22 changer transitions 12/424 dead transitions. [2025-01-09 21:27:09,186 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 424 transitions, 4460 flow [2025-01-09 21:27:09,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 21:27:09,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-01-09 21:27:09,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1425 transitions. [2025-01-09 21:27:09,187 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8646844660194175 [2025-01-09 21:27:09,187 INFO L175 Difference]: Start difference. First operand has 306 places, 369 transitions, 3318 flow. Second operand 8 states and 1425 transitions. [2025-01-09 21:27:09,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 424 transitions, 4460 flow [2025-01-09 21:27:09,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 424 transitions, 4190 flow, removed 45 selfloop flow, removed 6 redundant places. [2025-01-09 21:27:09,231 INFO L231 Difference]: Finished difference. Result has 311 places, 386 transitions, 3454 flow [2025-01-09 21:27:09,231 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=3094, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3454, PETRI_PLACES=311, PETRI_TRANSITIONS=386} [2025-01-09 21:27:09,232 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 112 predicate places. [2025-01-09 21:27:09,232 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 386 transitions, 3454 flow [2025-01-09 21:27:09,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 175.0) internal successors, (1575), 9 states have internal predecessors, (1575), 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) [2025-01-09 21:27:09,233 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:27:09,233 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:27:09,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-01-09 21:27:09,233 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-01-09 21:27:09,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:27:09,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1243242901, now seen corresponding path program 1 times [2025-01-09 21:27:09,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:27:09,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234936932] [2025-01-09 21:27:09,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:27:09,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:27:09,248 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-01-09 21:27:09,253 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-01-09 21:27:09,253 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:27:09,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:27:09,428 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-09 21:27:09,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:27:09,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234936932] [2025-01-09 21:27:09,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234936932] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:27:09,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:27:09,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:27:09,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474583985] [2025-01-09 21:27:09,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:27:09,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:27:09,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:27:09,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:27:09,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:27:09,575 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 206 [2025-01-09 21:27:09,575 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 386 transitions, 3454 flow. Second operand has 6 states, 6 states have (on average 148.0) internal successors, (888), 6 states have internal predecessors, (888), 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) [2025-01-09 21:27:09,575 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:27:09,575 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 206 [2025-01-09 21:27:09,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:27:10,146 INFO L124 PetriNetUnfolderBase]: 680/4488 cut-off events. [2025-01-09 21:27:10,146 INFO L125 PetriNetUnfolderBase]: For 24911/25367 co-relation queries the response was YES. [2025-01-09 21:27:10,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13167 conditions, 4488 events. 680/4488 cut-off events. For 24911/25367 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 37453 event pairs, 157 based on Foata normal form. 418/4763 useless extension candidates. Maximal degree in co-relation 13044. Up to 2031 conditions per place. [2025-01-09 21:27:10,173 INFO L140 encePairwiseOnDemand]: 200/206 looper letters, 0 selfloop transitions, 0 changer transitions 385/385 dead transitions. [2025-01-09 21:27:10,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 385 transitions, 3800 flow [2025-01-09 21:27:10,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:27:10,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:27:10,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 898 transitions. [2025-01-09 21:27:10,174 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7265372168284789 [2025-01-09 21:27:10,174 INFO L175 Difference]: Start difference. First operand has 311 places, 386 transitions, 3454 flow. Second operand 6 states and 898 transitions. [2025-01-09 21:27:10,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 385 transitions, 3800 flow [2025-01-09 21:27:10,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 385 transitions, 3790 flow, removed 2 selfloop flow, removed 3 redundant places. [2025-01-09 21:27:10,213 INFO L231 Difference]: Finished difference. Result has 311 places, 0 transitions, 0 flow [2025-01-09 21:27:10,214 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=3442, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=311, PETRI_TRANSITIONS=0} [2025-01-09 21:27:10,214 INFO L279 CegarLoopForPetriNet]: 199 programPoint places, 112 predicate places. [2025-01-09 21:27:10,214 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 0 transitions, 0 flow [2025-01-09 21:27:10,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 148.0) internal successors, (888), 6 states have internal predecessors, (888), 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) [2025-01-09 21:27:10,218 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 17 remaining) [2025-01-09 21:27:10,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2025-01-09 21:27:10,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2025-01-09 21:27:10,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2025-01-09 21:27:10,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 17 remaining) [2025-01-09 21:27:10,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2025-01-09 21:27:10,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2025-01-09 21:27:10,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining) [2025-01-09 21:27:10,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining) [2025-01-09 21:27:10,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining) [2025-01-09 21:27:10,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining) [2025-01-09 21:27:10,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2025-01-09 21:27:10,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2025-01-09 21:27:10,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2025-01-09 21:27:10,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2025-01-09 21:27:10,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2025-01-09 21:27:10,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2025-01-09 21:27:10,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-01-09 21:27:10,221 INFO L422 BasicCegarLoop]: Path program histogram: [14, 1, 1, 1, 1, 1, 1] [2025-01-09 21:27:10,225 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-09 21:27:10,226 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 21:27:10,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 09:27:10 BasicIcfg [2025-01-09 21:27:10,232 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 21:27:10,232 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 21:27:10,233 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 21:27:10,233 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 21:27:10,233 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:26:27" (3/4) ... [2025-01-09 21:27:10,234 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 21:27:10,237 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure worker [2025-01-09 21:27:10,239 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-01-09 21:27:10,240 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-09 21:27:10,240 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 21:27:10,240 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 21:27:10,296 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 21:27:10,297 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 21:27:10,297 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 21:27:10,297 INFO L158 Benchmark]: Toolchain (without parser) took 43362.79ms. Allocated memory was 167.8MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 122.4MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2025-01-09 21:27:10,297 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 201.3MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:27:10,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.92ms. Allocated memory is still 167.8MB. Free memory was 122.4MB in the beginning and 101.5MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 21:27:10,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.35ms. Allocated memory is still 167.8MB. Free memory was 101.5MB in the beginning and 98.6MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:27:10,298 INFO L158 Benchmark]: Boogie Preprocessor took 27.94ms. Allocated memory is still 167.8MB. Free memory was 98.6MB in the beginning and 96.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:27:10,298 INFO L158 Benchmark]: RCFGBuilder took 392.80ms. Allocated memory is still 167.8MB. Free memory was 96.8MB in the beginning and 73.5MB in the end (delta: 23.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 21:27:10,298 INFO L158 Benchmark]: TraceAbstraction took 42481.59ms. Allocated memory was 167.8MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 72.6MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2025-01-09 21:27:10,298 INFO L158 Benchmark]: Witness Printer took 64.18ms. Allocated memory is still 3.5GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:27:10,299 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 201.3MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.92ms. Allocated memory is still 167.8MB. Free memory was 122.4MB in the beginning and 101.5MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.35ms. Allocated memory is still 167.8MB. Free memory was 101.5MB in the beginning and 98.6MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.94ms. Allocated memory is still 167.8MB. Free memory was 98.6MB in the beginning and 96.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 392.80ms. Allocated memory is still 167.8MB. Free memory was 96.8MB in the beginning and 73.5MB in the end (delta: 23.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 42481.59ms. Allocated memory was 167.8MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 72.6MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. * Witness Printer took 64.18ms. Allocated memory is still 3.5GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 726]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 727]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 297 locations, 17 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 42.3s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 14, EmptinessCheckTime: 0.0s, AutomataDifference: 36.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9656 SdHoareTripleChecker+Valid, 9.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7460 mSDsluCounter, 10162 SdHoareTripleChecker+Invalid, 7.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9332 mSDsCounter, 288 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19319 IncrementalHoareTripleChecker+Invalid, 19607 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 288 mSolverCounterUnsat, 830 mSDtfsCounter, 19319 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5304occurred in iteration=17, InterpolantAutomatonStates: 150, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 1633 NumberOfCodeBlocks, 1617 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1613 ConstructedInterpolants, 0 QuantifiedInterpolants, 5780 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 10/10 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-09 21:27:10,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE