./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/fibonacci.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3a3015-3307-427e-962f-ba0e0bc0a048/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3a3015-3307-427e-962f-ba0e0bc0a048/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3a3015-3307-427e-962f-ba0e0bc0a048/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3a3015-3307-427e-962f-ba0e0bc0a048/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/fibonacci.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3a3015-3307-427e-962f-ba0e0bc0a048/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3a3015-3307-427e-962f-ba0e0bc0a048/bin/uautomizer-verify-qhAvR1uOyd --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 115f061be4541a19227bc1624a8b38d08b679b43ee58fd41d4a05fa6a8fd007e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:12:34,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:12:34,343 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3a3015-3307-427e-962f-ba0e0bc0a048/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 13:12:34,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:12:34,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:12:34,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:12:34,381 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:12:34,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:12:34,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:12:34,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:12:34,384 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:12:34,384 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:12:34,384 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:12:34,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:12:34,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:12:34,384 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:12:34,384 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:12:34,384 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:12:34,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:12:34,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:12:34,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:12:34,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:12:34,387 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 13:12:34,387 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:12:34,387 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:12:34,387 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:12:34,388 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:12:34,388 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:12:34,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:12:34,388 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:12:34,388 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:12:34,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:12:34,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:12:34,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:12:34,389 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:12:34,389 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:12:34,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:12:34,390 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:12:34,390 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:12:34,390 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:12:34,390 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:12:34,390 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3a3015-3307-427e-962f-ba0e0bc0a048/bin/uautomizer-verify-qhAvR1uOyd 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 -> 115f061be4541a19227bc1624a8b38d08b679b43ee58fd41d4a05fa6a8fd007e [2024-11-13 13:12:34,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:12:34,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:12:34,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:12:34,706 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:12:34,706 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:12:34,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3a3015-3307-427e-962f-ba0e0bc0a048/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/weaver/fibonacci.wvr.c Unable to find full path for "g++" [2024-11-13 13:12:36,606 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:12:36,841 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:12:36,842 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3a3015-3307-427e-962f-ba0e0bc0a048/sv-benchmarks/c/weaver/fibonacci.wvr.c [2024-11-13 13:12:36,857 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3a3015-3307-427e-962f-ba0e0bc0a048/bin/uautomizer-verify-qhAvR1uOyd/data/53517d057/faeb5911a7ea4e93aebc24579e104ca2/FLAGa75fa1387 [2024-11-13 13:12:36,882 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3a3015-3307-427e-962f-ba0e0bc0a048/bin/uautomizer-verify-qhAvR1uOyd/data/53517d057/faeb5911a7ea4e93aebc24579e104ca2 [2024-11-13 13:12:36,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:12:36,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:12:36,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:12:36,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:12:36,902 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:12:36,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:12:36" (1/1) ... [2024-11-13 13:12:36,904 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4814fe66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:36, skipping insertion in model container [2024-11-13 13:12:36,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:12:36" (1/1) ... [2024-11-13 13:12:36,928 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:12:37,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:12:37,190 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:12:37,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:12:37,259 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:12:37,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:37 WrapperNode [2024-11-13 13:12:37,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:12:37,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:12:37,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:12:37,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:12:37,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:37" (1/1) ... [2024-11-13 13:12:37,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:37" (1/1) ... [2024-11-13 13:12:37,323 INFO L138 Inliner]: procedures = 22, calls = 19, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 252 [2024-11-13 13:12:37,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:12:37,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:12:37,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:12:37,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:12:37,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:37" (1/1) ... [2024-11-13 13:12:37,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:37" (1/1) ... [2024-11-13 13:12:37,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:37" (1/1) ... [2024-11-13 13:12:37,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:37" (1/1) ... [2024-11-13 13:12:37,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:37" (1/1) ... [2024-11-13 13:12:37,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:37" (1/1) ... [2024-11-13 13:12:37,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:37" (1/1) ... [2024-11-13 13:12:37,374 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:37" (1/1) ... [2024-11-13 13:12:37,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:12:37,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:12:37,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:12:37,382 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:12:37,383 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:37" (1/1) ... [2024-11-13 13:12:37,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:12:37,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3a3015-3307-427e-962f-ba0e0bc0a048/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:12:37,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3a3015-3307-427e-962f-ba0e0bc0a048/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:12:37,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3a3015-3307-427e-962f-ba0e0bc0a048/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:12:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:12:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 13:12:37,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 13:12:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 13:12:37,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 13:12:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 13:12:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:12:37,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:12:37,472 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 13:12:37,590 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:12:37,592 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:12:38,086 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 13:12:38,086 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:12:38,119 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:12:38,119 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 13:12:38,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:12:38 BoogieIcfgContainer [2024-11-13 13:12:38,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:12:38,122 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:12:38,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:12:38,130 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:12:38,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:12:36" (1/3) ... [2024-11-13 13:12:38,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf2234a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:12:38, skipping insertion in model container [2024-11-13 13:12:38,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:37" (2/3) ... [2024-11-13 13:12:38,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf2234a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:12:38, skipping insertion in model container [2024-11-13 13:12:38,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:12:38" (3/3) ... [2024-11-13 13:12:38,134 INFO L112 eAbstractionObserver]: Analyzing ICFG fibonacci.wvr.c [2024-11-13 13:12:38,151 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:12:38,154 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG fibonacci.wvr.c that has 3 procedures, 331 locations, 1 initial locations, 2 loop locations, and 31 error locations. [2024-11-13 13:12:38,154 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 13:12:38,336 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 13:12:38,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 337 places, 345 transitions, 704 flow [2024-11-13 13:12:38,613 INFO L124 PetriNetUnfolderBase]: 15/343 cut-off events. [2024-11-13 13:12:38,615 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 13:12:38,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 343 events. 15/343 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 574 event pairs, 0 based on Foata normal form. 0/297 useless extension candidates. Maximal degree in co-relation 217. Up to 2 conditions per place. [2024-11-13 13:12:38,632 INFO L82 GeneralOperation]: Start removeDead. Operand has 337 places, 345 transitions, 704 flow [2024-11-13 13:12:38,643 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 319 places, 326 transitions, 664 flow [2024-11-13 13:12:38,654 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:12:38,669 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;@6d6988bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:12:38,669 INFO L334 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2024-11-13 13:12:38,676 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:12:38,676 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-13 13:12:38,676 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:12:38,676 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:38,677 INFO L204 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] [2024-11-13 13:12:38,677 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:12:38,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:38,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1917065071, now seen corresponding path program 1 times [2024-11-13 13:12:38,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:38,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856252648] [2024-11-13 13:12:38,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:38,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:38,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:38,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:38,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856252648] [2024-11-13 13:12:38,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856252648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:38,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:38,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:12:38,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935689391] [2024-11-13 13:12:38,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:38,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:38,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:38,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:38,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:38,987 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 345 [2024-11-13 13:12:38,994 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 326 transitions, 664 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2024-11-13 13:12:38,994 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:38,994 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 345 [2024-11-13 13:12:38,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:39,178 INFO L124 PetriNetUnfolderBase]: 8/508 cut-off events. [2024-11-13 13:12:39,179 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-13 13:12:39,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 540 conditions, 508 events. 8/508 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1583 event pairs, 3 based on Foata normal form. 18/456 useless extension candidates. Maximal degree in co-relation 405. Up to 18 conditions per place. [2024-11-13 13:12:39,188 INFO L140 encePairwiseOnDemand]: 331/345 looper letters, 9 selfloop transitions, 2 changer transitions 1/314 dead transitions. [2024-11-13 13:12:39,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 314 transitions, 662 flow [2024-11-13 13:12:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:39,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:12:39,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 980 transitions. [2024-11-13 13:12:39,212 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9468599033816425 [2024-11-13 13:12:39,214 INFO L175 Difference]: Start difference. First operand has 319 places, 326 transitions, 664 flow. Second operand 3 states and 980 transitions. [2024-11-13 13:12:39,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 314 transitions, 662 flow [2024-11-13 13:12:39,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 314 transitions, 654 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 13:12:39,287 INFO L231 Difference]: Finished difference. Result has 316 places, 313 transitions, 634 flow [2024-11-13 13:12:39,290 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=634, PETRI_PLACES=316, PETRI_TRANSITIONS=313} [2024-11-13 13:12:39,295 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -3 predicate places. [2024-11-13 13:12:39,296 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 313 transitions, 634 flow [2024-11-13 13:12:39,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2024-11-13 13:12:39,297 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:39,297 INFO L204 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] [2024-11-13 13:12:39,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:12:39,298 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:12:39,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:39,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1475549033, now seen corresponding path program 1 times [2024-11-13 13:12:39,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:39,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082061159] [2024-11-13 13:12:39,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:39,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:39,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:39,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:39,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082061159] [2024-11-13 13:12:39,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082061159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:39,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:39,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:12:39,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105297608] [2024-11-13 13:12:39,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:39,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:39,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:39,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:39,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:39,477 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 345 [2024-11-13 13:12:39,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 313 transitions, 634 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-11-13 13:12:39,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:39,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 345 [2024-11-13 13:12:39,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:39,617 INFO L124 PetriNetUnfolderBase]: 10/500 cut-off events. [2024-11-13 13:12:39,617 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-13 13:12:39,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 500 events. 10/500 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1497 event pairs, 4 based on Foata normal form. 0/434 useless extension candidates. Maximal degree in co-relation 504. Up to 23 conditions per place. [2024-11-13 13:12:39,622 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 12 selfloop transitions, 2 changer transitions 0/312 dead transitions. [2024-11-13 13:12:39,622 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 312 transitions, 660 flow [2024-11-13 13:12:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:39,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:12:39,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 963 transitions. [2024-11-13 13:12:39,628 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9304347826086956 [2024-11-13 13:12:39,628 INFO L175 Difference]: Start difference. First operand has 316 places, 313 transitions, 634 flow. Second operand 3 states and 963 transitions. [2024-11-13 13:12:39,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 312 transitions, 660 flow [2024-11-13 13:12:39,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 312 transitions, 656 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:12:39,640 INFO L231 Difference]: Finished difference. Result has 314 places, 312 transitions, 632 flow [2024-11-13 13:12:39,641 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=632, PETRI_PLACES=314, PETRI_TRANSITIONS=312} [2024-11-13 13:12:39,642 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -5 predicate places. [2024-11-13 13:12:39,643 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 312 transitions, 632 flow [2024-11-13 13:12:39,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-11-13 13:12:39,644 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:39,644 INFO L204 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] [2024-11-13 13:12:39,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:12:39,645 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:12:39,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:39,646 INFO L85 PathProgramCache]: Analyzing trace with hash -124352742, now seen corresponding path program 1 times [2024-11-13 13:12:39,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:39,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730400785] [2024-11-13 13:12:39,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:39,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:39,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:39,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:39,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730400785] [2024-11-13 13:12:39,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730400785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:39,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:39,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:12:39,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002128306] [2024-11-13 13:12:39,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:39,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:39,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:39,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:39,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:39,793 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 345 [2024-11-13 13:12:39,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 312 transitions, 632 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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) [2024-11-13 13:12:39,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:39,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 345 [2024-11-13 13:12:39,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:39,953 INFO L124 PetriNetUnfolderBase]: 9/611 cut-off events. [2024-11-13 13:12:39,953 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2024-11-13 13:12:39,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 640 conditions, 611 events. 9/611 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1639 event pairs, 3 based on Foata normal form. 0/528 useless extension candidates. Maximal degree in co-relation 601. Up to 18 conditions per place. [2024-11-13 13:12:39,958 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 11 selfloop transitions, 2 changer transitions 0/311 dead transitions. [2024-11-13 13:12:39,958 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 311 transitions, 656 flow [2024-11-13 13:12:39,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:39,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:12:39,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 965 transitions. [2024-11-13 13:12:39,962 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9323671497584541 [2024-11-13 13:12:39,963 INFO L175 Difference]: Start difference. First operand has 314 places, 312 transitions, 632 flow. Second operand 3 states and 965 transitions. [2024-11-13 13:12:39,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 311 transitions, 656 flow [2024-11-13 13:12:39,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 311 transitions, 652 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:12:39,971 INFO L231 Difference]: Finished difference. Result has 313 places, 311 transitions, 630 flow [2024-11-13 13:12:39,972 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=630, PETRI_PLACES=313, PETRI_TRANSITIONS=311} [2024-11-13 13:12:39,973 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -6 predicate places. [2024-11-13 13:12:39,973 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 311 transitions, 630 flow [2024-11-13 13:12:39,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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) [2024-11-13 13:12:39,974 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:39,975 INFO L204 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] [2024-11-13 13:12:39,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:12:39,975 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:12:39,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:39,976 INFO L85 PathProgramCache]: Analyzing trace with hash 766906332, now seen corresponding path program 1 times [2024-11-13 13:12:39,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:39,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684757145] [2024-11-13 13:12:39,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:39,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:40,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:40,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:40,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684757145] [2024-11-13 13:12:40,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684757145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:40,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:40,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:12:40,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125412402] [2024-11-13 13:12:40,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:40,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:40,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:40,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:40,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:40,114 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 345 [2024-11-13 13:12:40,116 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 311 transitions, 630 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2024-11-13 13:12:40,116 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:40,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 345 [2024-11-13 13:12:40,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:40,242 INFO L124 PetriNetUnfolderBase]: 5/410 cut-off events. [2024-11-13 13:12:40,243 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-13 13:12:40,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 431 conditions, 410 events. 5/410 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 916 event pairs, 1 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 384. Up to 12 conditions per place. [2024-11-13 13:12:40,248 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 9 selfloop transitions, 2 changer transitions 0/310 dead transitions. [2024-11-13 13:12:40,248 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 310 transitions, 650 flow [2024-11-13 13:12:40,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:40,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:12:40,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2024-11-13 13:12:40,251 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.936231884057971 [2024-11-13 13:12:40,251 INFO L175 Difference]: Start difference. First operand has 313 places, 311 transitions, 630 flow. Second operand 3 states and 969 transitions. [2024-11-13 13:12:40,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 310 transitions, 650 flow [2024-11-13 13:12:40,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 310 transitions, 646 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:12:40,258 INFO L231 Difference]: Finished difference. Result has 312 places, 310 transitions, 628 flow [2024-11-13 13:12:40,259 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=312, PETRI_TRANSITIONS=310} [2024-11-13 13:12:40,261 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -7 predicate places. [2024-11-13 13:12:40,261 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 310 transitions, 628 flow [2024-11-13 13:12:40,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2024-11-13 13:12:40,262 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:40,263 INFO L204 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] [2024-11-13 13:12:40,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:12:40,264 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:12:40,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:40,264 INFO L85 PathProgramCache]: Analyzing trace with hash 480800377, now seen corresponding path program 1 times [2024-11-13 13:12:40,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:40,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270768797] [2024-11-13 13:12:40,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:40,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:40,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:40,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:40,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270768797] [2024-11-13 13:12:40,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270768797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:40,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:40,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:12:40,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914959747] [2024-11-13 13:12:40,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:40,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:40,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:40,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:40,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:40,419 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 345 [2024-11-13 13:12:40,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 310 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-11-13 13:12:40,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:40,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 345 [2024-11-13 13:12:40,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:40,540 INFO L124 PetriNetUnfolderBase]: 9/409 cut-off events. [2024-11-13 13:12:40,541 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-13 13:12:40,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 440 conditions, 409 events. 9/409 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 959 event pairs, 4 based on Foata normal form. 0/357 useless extension candidates. Maximal degree in co-relation 385. Up to 23 conditions per place. [2024-11-13 13:12:40,545 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 12 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2024-11-13 13:12:40,545 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 309 transitions, 654 flow [2024-11-13 13:12:40,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:40,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:12:40,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 963 transitions. [2024-11-13 13:12:40,550 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9304347826086956 [2024-11-13 13:12:40,550 INFO L175 Difference]: Start difference. First operand has 312 places, 310 transitions, 628 flow. Second operand 3 states and 963 transitions. [2024-11-13 13:12:40,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 309 transitions, 654 flow [2024-11-13 13:12:40,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 309 transitions, 650 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:12:40,557 INFO L231 Difference]: Finished difference. Result has 311 places, 309 transitions, 626 flow [2024-11-13 13:12:40,558 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=311, PETRI_TRANSITIONS=309} [2024-11-13 13:12:40,559 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -8 predicate places. [2024-11-13 13:12:40,559 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 309 transitions, 626 flow [2024-11-13 13:12:40,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-11-13 13:12:40,560 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:40,561 INFO L204 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] [2024-11-13 13:12:40,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:12:40,561 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:12:40,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:40,561 INFO L85 PathProgramCache]: Analyzing trace with hash -940671939, now seen corresponding path program 1 times [2024-11-13 13:12:40,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:40,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489391736] [2024-11-13 13:12:40,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:40,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:40,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:40,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:40,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489391736] [2024-11-13 13:12:40,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489391736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:40,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:40,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:12:40,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367186571] [2024-11-13 13:12:40,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:40,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:40,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:40,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:40,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:40,689 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 345 [2024-11-13 13:12:40,691 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 309 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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) [2024-11-13 13:12:40,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:40,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 345 [2024-11-13 13:12:40,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:40,786 INFO L124 PetriNetUnfolderBase]: 8/407 cut-off events. [2024-11-13 13:12:40,786 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-13 13:12:40,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 435 conditions, 407 events. 8/407 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 896 event pairs, 3 based on Foata normal form. 0/357 useless extension candidates. Maximal degree in co-relation 372. Up to 20 conditions per place. [2024-11-13 13:12:40,793 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 11 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2024-11-13 13:12:40,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 308 transitions, 650 flow [2024-11-13 13:12:40,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:40,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:12:40,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 965 transitions. [2024-11-13 13:12:40,798 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9323671497584541 [2024-11-13 13:12:40,798 INFO L175 Difference]: Start difference. First operand has 311 places, 309 transitions, 626 flow. Second operand 3 states and 965 transitions. [2024-11-13 13:12:40,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 308 transitions, 650 flow [2024-11-13 13:12:40,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 308 transitions, 646 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:12:40,805 INFO L231 Difference]: Finished difference. Result has 310 places, 308 transitions, 624 flow [2024-11-13 13:12:40,805 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=624, PETRI_PLACES=310, PETRI_TRANSITIONS=308} [2024-11-13 13:12:40,806 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -9 predicate places. [2024-11-13 13:12:40,808 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 308 transitions, 624 flow [2024-11-13 13:12:40,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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) [2024-11-13 13:12:40,809 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:40,809 INFO L204 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] [2024-11-13 13:12:40,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:12:40,809 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:12:40,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:40,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1157282376, now seen corresponding path program 1 times [2024-11-13 13:12:40,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:40,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485535436] [2024-11-13 13:12:40,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:40,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:40,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:40,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:40,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485535436] [2024-11-13 13:12:40,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485535436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:40,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:40,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:12:40,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388744356] [2024-11-13 13:12:40,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:40,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:40,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:40,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:40,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:40,934 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 345 [2024-11-13 13:12:40,935 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 308 transitions, 624 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2024-11-13 13:12:40,935 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:40,936 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 345 [2024-11-13 13:12:40,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:40,998 INFO L124 PetriNetUnfolderBase]: 4/309 cut-off events. [2024-11-13 13:12:40,999 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-13 13:12:41,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 309 events. 4/309 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 506 event pairs, 1 based on Foata normal form. 0/275 useless extension candidates. Maximal degree in co-relation 258. Up to 12 conditions per place. [2024-11-13 13:12:41,002 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 9 selfloop transitions, 2 changer transitions 0/307 dead transitions. [2024-11-13 13:12:41,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 307 transitions, 644 flow [2024-11-13 13:12:41,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:41,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:12:41,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2024-11-13 13:12:41,006 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.936231884057971 [2024-11-13 13:12:41,006 INFO L175 Difference]: Start difference. First operand has 310 places, 308 transitions, 624 flow. Second operand 3 states and 969 transitions. [2024-11-13 13:12:41,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 307 transitions, 644 flow [2024-11-13 13:12:41,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 307 transitions, 640 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:12:41,012 INFO L231 Difference]: Finished difference. Result has 309 places, 307 transitions, 622 flow [2024-11-13 13:12:41,013 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=622, PETRI_PLACES=309, PETRI_TRANSITIONS=307} [2024-11-13 13:12:41,014 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -10 predicate places. [2024-11-13 13:12:41,014 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 307 transitions, 622 flow [2024-11-13 13:12:41,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2024-11-13 13:12:41,015 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:41,015 INFO L204 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] [2024-11-13 13:12:41,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:12:41,015 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:12:41,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:41,016 INFO L85 PathProgramCache]: Analyzing trace with hash 2044484391, now seen corresponding path program 1 times [2024-11-13 13:12:41,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:41,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497495333] [2024-11-13 13:12:41,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:41,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:41,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:41,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:41,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497495333] [2024-11-13 13:12:41,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497495333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:41,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:41,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:12:41,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300979838] [2024-11-13 13:12:41,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:41,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:41,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:41,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:41,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:41,152 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 345 [2024-11-13 13:12:41,154 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 307 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 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) [2024-11-13 13:12:41,154 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:41,154 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 345 [2024-11-13 13:12:41,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:41,256 INFO L124 PetriNetUnfolderBase]: 13/501 cut-off events. [2024-11-13 13:12:41,256 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-13 13:12:41,258 INFO L83 FinitePrefix]: Finished finitePrefix Result has 545 conditions, 501 events. 13/501 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1567 event pairs, 6 based on Foata normal form. 0/445 useless extension candidates. Maximal degree in co-relation 466. Up to 26 conditions per place. [2024-11-13 13:12:41,261 INFO L140 encePairwiseOnDemand]: 338/345 looper letters, 12 selfloop transitions, 3 changer transitions 0/304 dead transitions. [2024-11-13 13:12:41,261 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 304 transitions, 647 flow [2024-11-13 13:12:41,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:41,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:12:41,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2024-11-13 13:12:41,264 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9285024154589372 [2024-11-13 13:12:41,265 INFO L175 Difference]: Start difference. First operand has 309 places, 307 transitions, 622 flow. Second operand 3 states and 961 transitions. [2024-11-13 13:12:41,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 304 transitions, 647 flow [2024-11-13 13:12:41,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 304 transitions, 643 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:12:41,272 INFO L231 Difference]: Finished difference. Result has 305 places, 303 transitions, 616 flow [2024-11-13 13:12:41,272 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=305, PETRI_TRANSITIONS=303} [2024-11-13 13:12:41,273 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -14 predicate places. [2024-11-13 13:12:41,273 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 303 transitions, 616 flow [2024-11-13 13:12:41,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 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) [2024-11-13 13:12:41,274 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:41,274 INFO L204 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] [2024-11-13 13:12:41,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:12:41,275 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:12:41,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:41,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1949469596, now seen corresponding path program 1 times [2024-11-13 13:12:41,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:41,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774292406] [2024-11-13 13:12:41,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:41,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:41,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:41,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:41,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774292406] [2024-11-13 13:12:41,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774292406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:41,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:41,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:12:41,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333815889] [2024-11-13 13:12:41,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:41,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:41,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:41,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:41,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:41,410 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 345 [2024-11-13 13:12:41,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 303 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 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) [2024-11-13 13:12:41,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:41,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 345 [2024-11-13 13:12:41,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:41,502 INFO L124 PetriNetUnfolderBase]: 12/399 cut-off events. [2024-11-13 13:12:41,503 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2024-11-13 13:12:41,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 399 events. 12/399 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 963 event pairs, 6 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 312. Up to 26 conditions per place. [2024-11-13 13:12:41,506 INFO L140 encePairwiseOnDemand]: 338/345 looper letters, 12 selfloop transitions, 3 changer transitions 0/300 dead transitions. [2024-11-13 13:12:41,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 300 transitions, 641 flow [2024-11-13 13:12:41,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:41,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:12:41,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2024-11-13 13:12:41,510 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9285024154589372 [2024-11-13 13:12:41,510 INFO L175 Difference]: Start difference. First operand has 305 places, 303 transitions, 616 flow. Second operand 3 states and 961 transitions. [2024-11-13 13:12:41,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 300 transitions, 641 flow [2024-11-13 13:12:41,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 300 transitions, 635 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:12:41,517 INFO L231 Difference]: Finished difference. Result has 301 places, 299 transitions, 608 flow [2024-11-13 13:12:41,518 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=608, PETRI_PLACES=301, PETRI_TRANSITIONS=299} [2024-11-13 13:12:41,520 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -18 predicate places. [2024-11-13 13:12:41,520 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 299 transitions, 608 flow [2024-11-13 13:12:41,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 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) [2024-11-13 13:12:41,521 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:41,522 INFO L204 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] [2024-11-13 13:12:41,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:12:41,523 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:12:41,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:41,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1143548873, now seen corresponding path program 1 times [2024-11-13 13:12:41,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:41,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102540617] [2024-11-13 13:12:41,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:41,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:41,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:41,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:41,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102540617] [2024-11-13 13:12:41,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102540617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:41,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:41,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:12:41,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906275135] [2024-11-13 13:12:41,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:41,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:41,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:41,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:41,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:41,624 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 345 [2024-11-13 13:12:41,625 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 299 transitions, 608 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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) [2024-11-13 13:12:41,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:41,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 345 [2024-11-13 13:12:41,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:41,767 INFO L124 PetriNetUnfolderBase]: 11/601 cut-off events. [2024-11-13 13:12:41,767 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-13 13:12:41,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 648 conditions, 601 events. 11/601 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1809 event pairs, 1 based on Foata normal form. 0/545 useless extension candidates. Maximal degree in co-relation 429. Up to 20 conditions per place. [2024-11-13 13:12:41,771 INFO L140 encePairwiseOnDemand]: 339/345 looper letters, 14 selfloop transitions, 3 changer transitions 0/301 dead transitions. [2024-11-13 13:12:41,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 301 transitions, 650 flow [2024-11-13 13:12:41,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:41,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:12:41,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2024-11-13 13:12:41,774 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9381642512077295 [2024-11-13 13:12:41,774 INFO L175 Difference]: Start difference. First operand has 301 places, 299 transitions, 608 flow. Second operand 3 states and 971 transitions. [2024-11-13 13:12:41,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 301 transitions, 650 flow [2024-11-13 13:12:41,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 301 transitions, 644 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:12:41,781 INFO L231 Difference]: Finished difference. Result has 299 places, 297 transitions, 609 flow [2024-11-13 13:12:41,782 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=609, PETRI_PLACES=299, PETRI_TRANSITIONS=297} [2024-11-13 13:12:41,784 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -20 predicate places. [2024-11-13 13:12:41,784 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 297 transitions, 609 flow [2024-11-13 13:12:41,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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) [2024-11-13 13:12:41,785 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:41,785 INFO L204 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] [2024-11-13 13:12:41,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:12:41,786 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:12:41,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:41,786 INFO L85 PathProgramCache]: Analyzing trace with hash 561177551, now seen corresponding path program 1 times [2024-11-13 13:12:41,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:41,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417966191] [2024-11-13 13:12:41,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:41,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:41,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:41,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:41,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417966191] [2024-11-13 13:12:41,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417966191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:41,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:41,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:12:41,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586293076] [2024-11-13 13:12:41,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:41,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:41,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:41,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:41,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:41,897 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 345 [2024-11-13 13:12:41,899 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 297 transitions, 609 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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) [2024-11-13 13:12:41,899 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:41,899 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 345 [2024-11-13 13:12:41,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:42,090 INFO L124 PetriNetUnfolderBase]: 23/749 cut-off events. [2024-11-13 13:12:42,090 INFO L125 PetriNetUnfolderBase]: For 22/25 co-relation queries the response was YES. [2024-11-13 13:12:42,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 819 conditions, 749 events. 23/749 cut-off events. For 22/25 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3157 event pairs, 7 based on Foata normal form. 0/677 useless extension candidates. Maximal degree in co-relation 351. Up to 40 conditions per place. [2024-11-13 13:12:42,098 INFO L140 encePairwiseOnDemand]: 339/345 looper letters, 14 selfloop transitions, 3 changer transitions 0/299 dead transitions. [2024-11-13 13:12:42,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 299 transitions, 651 flow [2024-11-13 13:12:42,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:42,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:12:42,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2024-11-13 13:12:42,101 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9381642512077295 [2024-11-13 13:12:42,102 INFO L175 Difference]: Start difference. First operand has 299 places, 297 transitions, 609 flow. Second operand 3 states and 971 transitions. [2024-11-13 13:12:42,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 299 transitions, 651 flow [2024-11-13 13:12:42,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 299 transitions, 648 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:12:42,108 INFO L231 Difference]: Finished difference. Result has 298 places, 295 transitions, 613 flow [2024-11-13 13:12:42,108 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=600, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=613, PETRI_PLACES=298, PETRI_TRANSITIONS=295} [2024-11-13 13:12:42,110 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -21 predicate places. [2024-11-13 13:12:42,110 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 295 transitions, 613 flow [2024-11-13 13:12:42,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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) [2024-11-13 13:12:42,111 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:42,111 INFO L204 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] [2024-11-13 13:12:42,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 13:12:42,112 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:12:42,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:42,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1138949477, now seen corresponding path program 1 times [2024-11-13 13:12:42,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:42,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465026808] [2024-11-13 13:12:42,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:42,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:42,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:42,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:42,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465026808] [2024-11-13 13:12:42,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465026808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:42,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:42,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:12:42,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994105488] [2024-11-13 13:12:42,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:42,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:42,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:42,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:42,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:42,224 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 345 [2024-11-13 13:12:42,225 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 295 transitions, 613 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 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) [2024-11-13 13:12:42,226 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:42,226 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 345 [2024-11-13 13:12:42,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:42,502 INFO L124 PetriNetUnfolderBase]: 50/1611 cut-off events. [2024-11-13 13:12:42,502 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-13 13:12:42,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1767 conditions, 1611 events. 50/1611 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 10157 event pairs, 22 based on Foata normal form. 0/1465 useless extension candidates. Maximal degree in co-relation 813. Up to 88 conditions per place. [2024-11-13 13:12:42,515 INFO L140 encePairwiseOnDemand]: 341/345 looper letters, 10 selfloop transitions, 2 changer transitions 0/296 dead transitions. [2024-11-13 13:12:42,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 296 transitions, 640 flow [2024-11-13 13:12:42,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:42,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:12:42,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 977 transitions. [2024-11-13 13:12:42,518 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9439613526570049 [2024-11-13 13:12:42,518 INFO L175 Difference]: Start difference. First operand has 298 places, 295 transitions, 613 flow. Second operand 3 states and 977 transitions. [2024-11-13 13:12:42,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 296 transitions, 640 flow [2024-11-13 13:12:42,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 296 transitions, 637 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:12:42,525 INFO L231 Difference]: Finished difference. Result has 298 places, 295 transitions, 620 flow [2024-11-13 13:12:42,526 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=298, PETRI_TRANSITIONS=295} [2024-11-13 13:12:42,527 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -21 predicate places. [2024-11-13 13:12:42,527 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 295 transitions, 620 flow [2024-11-13 13:12:42,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 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) [2024-11-13 13:12:42,528 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:42,528 INFO L204 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] [2024-11-13 13:12:42,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 13:12:42,528 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:12:42,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:42,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1818159596, now seen corresponding path program 1 times [2024-11-13 13:12:42,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:42,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572871902] [2024-11-13 13:12:42,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:42,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:42,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:42,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:42,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572871902] [2024-11-13 13:12:42,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572871902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:42,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:42,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:12:42,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168642242] [2024-11-13 13:12:42,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:42,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:42,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:42,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:42,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:42,628 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 345 [2024-11-13 13:12:42,629 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 295 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 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) [2024-11-13 13:12:42,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:42,630 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 345 [2024-11-13 13:12:42,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:42,799 INFO L124 PetriNetUnfolderBase]: 28/1018 cut-off events. [2024-11-13 13:12:42,800 INFO L125 PetriNetUnfolderBase]: For 7/23 co-relation queries the response was YES. [2024-11-13 13:12:42,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1142 conditions, 1018 events. 28/1018 cut-off events. For 7/23 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5063 event pairs, 7 based on Foata normal form. 4/939 useless extension candidates. Maximal degree in co-relation 473. Up to 35 conditions per place. [2024-11-13 13:12:42,808 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 9 selfloop transitions, 2 changer transitions 0/295 dead transitions. [2024-11-13 13:12:42,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 295 transitions, 643 flow [2024-11-13 13:12:42,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:42,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:12:42,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions. [2024-11-13 13:12:42,811 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9420289855072463 [2024-11-13 13:12:42,811 INFO L175 Difference]: Start difference. First operand has 298 places, 295 transitions, 620 flow. Second operand 3 states and 975 transitions. [2024-11-13 13:12:42,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 295 transitions, 643 flow [2024-11-13 13:12:42,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 295 transitions, 643 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:12:42,817 INFO L231 Difference]: Finished difference. Result has 299 places, 294 transitions, 622 flow [2024-11-13 13:12:42,817 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=622, PETRI_PLACES=299, PETRI_TRANSITIONS=294} [2024-11-13 13:12:42,818 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -20 predicate places. [2024-11-13 13:12:42,818 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 294 transitions, 622 flow [2024-11-13 13:12:42,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 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) [2024-11-13 13:12:42,819 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:42,819 INFO L204 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] [2024-11-13 13:12:42,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 13:12:42,819 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:12:42,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:42,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1572768237, now seen corresponding path program 1 times [2024-11-13 13:12:42,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:42,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584051063] [2024-11-13 13:12:42,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:42,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:42,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:42,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:42,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584051063] [2024-11-13 13:12:42,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584051063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:42,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:42,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:12:42,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217658929] [2024-11-13 13:12:42,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:42,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:42,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:42,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:42,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:42,894 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 345 [2024-11-13 13:12:42,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 294 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 323.0) internal successors, (969), 3 states have internal predecessors, (969), 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) [2024-11-13 13:12:42,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:42,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 345 [2024-11-13 13:12:42,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:43,057 INFO L124 PetriNetUnfolderBase]: 29/797 cut-off events. [2024-11-13 13:12:43,058 INFO L125 PetriNetUnfolderBase]: For 23/26 co-relation queries the response was YES. [2024-11-13 13:12:43,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 930 conditions, 797 events. 29/797 cut-off events. For 23/26 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3515 event pairs, 9 based on Foata normal form. 0/743 useless extension candidates. Maximal degree in co-relation 793. Up to 47 conditions per place. [2024-11-13 13:12:43,065 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 9 selfloop transitions, 2 changer transitions 0/294 dead transitions. [2024-11-13 13:12:43,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 294 transitions, 645 flow [2024-11-13 13:12:43,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:43,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:12:43,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions. [2024-11-13 13:12:43,068 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9420289855072463 [2024-11-13 13:12:43,068 INFO L175 Difference]: Start difference. First operand has 299 places, 294 transitions, 622 flow. Second operand 3 states and 975 transitions. [2024-11-13 13:12:43,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 294 transitions, 645 flow [2024-11-13 13:12:43,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 294 transitions, 641 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:12:43,073 INFO L231 Difference]: Finished difference. Result has 298 places, 293 transitions, 620 flow [2024-11-13 13:12:43,074 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=298, PETRI_TRANSITIONS=293} [2024-11-13 13:12:43,075 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -21 predicate places. [2024-11-13 13:12:43,075 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 293 transitions, 620 flow [2024-11-13 13:12:43,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 323.0) internal successors, (969), 3 states have internal predecessors, (969), 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) [2024-11-13 13:12:43,076 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:43,077 INFO L204 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] [2024-11-13 13:12:43,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 13:12:43,077 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:12:43,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:43,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1480690411, now seen corresponding path program 1 times [2024-11-13 13:12:43,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:43,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552105310] [2024-11-13 13:12:43,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:43,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:43,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:43,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:43,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552105310] [2024-11-13 13:12:43,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552105310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:43,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:43,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:12:43,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176588307] [2024-11-13 13:12:43,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:43,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:43,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:43,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:43,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:43,201 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 345 [2024-11-13 13:12:43,203 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 293 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2024-11-13 13:12:43,203 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:43,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 345 [2024-11-13 13:12:43,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:43,425 INFO L124 PetriNetUnfolderBase]: 35/1141 cut-off events. [2024-11-13 13:12:43,425 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-13 13:12:43,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1307 conditions, 1141 events. 35/1141 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6284 event pairs, 13 based on Foata normal form. 0/1061 useless extension candidates. Maximal degree in co-relation 1203. Up to 52 conditions per place. [2024-11-13 13:12:43,434 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 12 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2024-11-13 13:12:43,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 293 transitions, 649 flow [2024-11-13 13:12:43,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:43,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:12:43,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2024-11-13 13:12:43,437 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.936231884057971 [2024-11-13 13:12:43,438 INFO L175 Difference]: Start difference. First operand has 298 places, 293 transitions, 620 flow. Second operand 3 states and 969 transitions. [2024-11-13 13:12:43,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 293 transitions, 649 flow [2024-11-13 13:12:43,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 293 transitions, 645 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:12:43,445 INFO L231 Difference]: Finished difference. Result has 297 places, 292 transitions, 618 flow [2024-11-13 13:12:43,446 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=618, PETRI_PLACES=297, PETRI_TRANSITIONS=292} [2024-11-13 13:12:43,447 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -22 predicate places. [2024-11-13 13:12:43,448 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 292 transitions, 618 flow [2024-11-13 13:12:43,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2024-11-13 13:12:43,449 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:43,449 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:43,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 13:12:43,449 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:12:43,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:43,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1442800463, now seen corresponding path program 1 times [2024-11-13 13:12:43,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:43,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682111635] [2024-11-13 13:12:43,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:43,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:43,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:43,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:43,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682111635] [2024-11-13 13:12:43,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682111635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:43,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:43,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:12:43,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697260998] [2024-11-13 13:12:43,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:43,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:43,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:43,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:43,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:43,576 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 345 [2024-11-13 13:12:43,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 292 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 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) [2024-11-13 13:12:43,578 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:43,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 345 [2024-11-13 13:12:43,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:43,776 INFO L124 PetriNetUnfolderBase]: 35/967 cut-off events. [2024-11-13 13:12:43,776 INFO L125 PetriNetUnfolderBase]: For 25/28 co-relation queries the response was YES. [2024-11-13 13:12:43,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1115 conditions, 967 events. 35/967 cut-off events. For 25/28 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4849 event pairs, 15 based on Foata normal form. 0/905 useless extension candidates. Maximal degree in co-relation 943. Up to 70 conditions per place. [2024-11-13 13:12:43,783 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 12 selfloop transitions, 2 changer transitions 0/292 dead transitions. [2024-11-13 13:12:43,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 292 transitions, 647 flow [2024-11-13 13:12:43,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:43,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:12:43,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2024-11-13 13:12:43,787 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.936231884057971 [2024-11-13 13:12:43,787 INFO L175 Difference]: Start difference. First operand has 297 places, 292 transitions, 618 flow. Second operand 3 states and 969 transitions. [2024-11-13 13:12:43,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 292 transitions, 647 flow [2024-11-13 13:12:43,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 292 transitions, 643 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:12:43,793 INFO L231 Difference]: Finished difference. Result has 296 places, 291 transitions, 616 flow [2024-11-13 13:12:43,793 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=296, PETRI_TRANSITIONS=291} [2024-11-13 13:12:43,794 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -23 predicate places. [2024-11-13 13:12:43,794 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 291 transitions, 616 flow [2024-11-13 13:12:43,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 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) [2024-11-13 13:12:43,795 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:43,795 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:43,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 13:12:43,795 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:12:43,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:43,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1062406755, now seen corresponding path program 1 times [2024-11-13 13:12:43,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:43,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728419147] [2024-11-13 13:12:43,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:43,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:43,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:43,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:43,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728419147] [2024-11-13 13:12:43,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728419147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:43,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:43,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:12:43,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088814976] [2024-11-13 13:12:43,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:43,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:43,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:43,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:43,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:43,966 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 345 [2024-11-13 13:12:43,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 291 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 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) [2024-11-13 13:12:43,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:43,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 345 [2024-11-13 13:12:43,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:44,144 INFO L124 PetriNetUnfolderBase]: 19/971 cut-off events. [2024-11-13 13:12:44,144 INFO L125 PetriNetUnfolderBase]: For 7/11 co-relation queries the response was YES. [2024-11-13 13:12:44,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1076 conditions, 971 events. 19/971 cut-off events. For 7/11 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4646 event pairs, 4 based on Foata normal form. 0/911 useless extension candidates. Maximal degree in co-relation 727. Up to 23 conditions per place. [2024-11-13 13:12:44,150 INFO L140 encePairwiseOnDemand]: 343/345 looper letters, 7 selfloop transitions, 1 changer transitions 0/290 dead transitions. [2024-11-13 13:12:44,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 290 transitions, 630 flow [2024-11-13 13:12:44,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:44,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:12:44,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 978 transitions. [2024-11-13 13:12:44,153 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9449275362318841 [2024-11-13 13:12:44,153 INFO L175 Difference]: Start difference. First operand has 296 places, 291 transitions, 616 flow. Second operand 3 states and 978 transitions. [2024-11-13 13:12:44,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 290 transitions, 630 flow [2024-11-13 13:12:44,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 290 transitions, 626 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:12:44,158 INFO L231 Difference]: Finished difference. Result has 295 places, 290 transitions, 612 flow [2024-11-13 13:12:44,158 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=295, PETRI_TRANSITIONS=290} [2024-11-13 13:12:44,159 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -24 predicate places. [2024-11-13 13:12:44,159 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 290 transitions, 612 flow [2024-11-13 13:12:44,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 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) [2024-11-13 13:12:44,160 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:44,160 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:44,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 13:12:44,160 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:12:44,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:44,161 INFO L85 PathProgramCache]: Analyzing trace with hash 91934685, now seen corresponding path program 1 times [2024-11-13 13:12:44,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:44,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516763483] [2024-11-13 13:12:44,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:44,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:44,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:44,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:44,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516763483] [2024-11-13 13:12:44,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516763483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:44,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:44,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:12:44,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470225951] [2024-11-13 13:12:44,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:44,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:44,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:44,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:44,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:44,241 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 345 [2024-11-13 13:12:44,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 290 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 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) [2024-11-13 13:12:44,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:44,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 345 [2024-11-13 13:12:44,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:44,421 INFO L124 PetriNetUnfolderBase]: 17/755 cut-off events. [2024-11-13 13:12:44,421 INFO L125 PetriNetUnfolderBase]: For 8/11 co-relation queries the response was YES. [2024-11-13 13:12:44,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 841 conditions, 755 events. 17/755 cut-off events. For 8/11 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3111 event pairs, 5 based on Foata normal form. 4/715 useless extension candidates. Maximal degree in co-relation 815. Up to 28 conditions per place. [2024-11-13 13:12:44,429 INFO L140 encePairwiseOnDemand]: 343/345 looper letters, 5 selfloop transitions, 0 changer transitions 4/289 dead transitions. [2024-11-13 13:12:44,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 289 transitions, 624 flow [2024-11-13 13:12:44,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:44,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:12:44,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 977 transitions. [2024-11-13 13:12:44,433 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9439613526570049 [2024-11-13 13:12:44,433 INFO L175 Difference]: Start difference. First operand has 295 places, 290 transitions, 612 flow. Second operand 3 states and 977 transitions. [2024-11-13 13:12:44,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 289 transitions, 624 flow [2024-11-13 13:12:44,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 289 transitions, 623 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:12:44,440 INFO L231 Difference]: Finished difference. Result has 295 places, 285 transitions, 599 flow [2024-11-13 13:12:44,441 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=599, PETRI_PLACES=295, PETRI_TRANSITIONS=285} [2024-11-13 13:12:44,441 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -24 predicate places. [2024-11-13 13:12:44,441 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 285 transitions, 599 flow [2024-11-13 13:12:44,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 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) [2024-11-13 13:12:44,442 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:44,443 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:44,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 13:12:44,443 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:12:44,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:44,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1273099296, now seen corresponding path program 1 times [2024-11-13 13:12:44,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:44,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804322783] [2024-11-13 13:12:44,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:44,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:44,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:44,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:44,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804322783] [2024-11-13 13:12:44,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804322783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:44,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:44,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:12:44,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150373130] [2024-11-13 13:12:44,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:44,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:44,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:44,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:44,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:44,573 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 345 [2024-11-13 13:12:44,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 285 transitions, 599 flow. Second operand has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 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) [2024-11-13 13:12:44,574 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:44,574 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 345 [2024-11-13 13:12:44,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:44,788 INFO L124 PetriNetUnfolderBase]: 34/1125 cut-off events. [2024-11-13 13:12:44,788 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2024-11-13 13:12:44,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1260 conditions, 1125 events. 34/1125 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 5616 event pairs, 9 based on Foata normal form. 0/1055 useless extension candidates. Maximal degree in co-relation 1254. Up to 38 conditions per place. [2024-11-13 13:12:44,795 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 11 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-11-13 13:12:44,795 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 285 transitions, 626 flow [2024-11-13 13:12:44,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:44,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:12:44,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 970 transitions. [2024-11-13 13:12:44,799 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9371980676328503 [2024-11-13 13:12:44,799 INFO L175 Difference]: Start difference. First operand has 295 places, 285 transitions, 599 flow. Second operand 3 states and 970 transitions. [2024-11-13 13:12:44,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 285 transitions, 626 flow [2024-11-13 13:12:44,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 285 transitions, 626 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:12:44,804 INFO L231 Difference]: Finished difference. Result has 290 places, 284 transitions, 601 flow [2024-11-13 13:12:44,804 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=597, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=601, PETRI_PLACES=290, PETRI_TRANSITIONS=284} [2024-11-13 13:12:44,805 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -29 predicate places. [2024-11-13 13:12:44,805 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 284 transitions, 601 flow [2024-11-13 13:12:44,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 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) [2024-11-13 13:12:44,806 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:12:44,806 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:44,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 13:12:44,806 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:12:44,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:44,807 INFO L85 PathProgramCache]: Analyzing trace with hash 986930756, now seen corresponding path program 1 times [2024-11-13 13:12:44,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:44,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724062444] [2024-11-13 13:12:44,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:44,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:44,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:44,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:44,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724062444] [2024-11-13 13:12:44,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724062444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:44,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:44,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:12:44,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097066663] [2024-11-13 13:12:44,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:44,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:12:44,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:44,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:12:44,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:12:44,923 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 345 [2024-11-13 13:12:44,924 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 284 transitions, 601 flow. Second operand has 3 states, 3 states have (on average 321.6666666666667) internal successors, (965), 3 states have internal predecessors, (965), 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) [2024-11-13 13:12:44,925 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:12:44,925 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 345 [2024-11-13 13:12:44,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:12:45,099 INFO L124 PetriNetUnfolderBase]: 28/906 cut-off events. [2024-11-13 13:12:45,099 INFO L125 PetriNetUnfolderBase]: For 30/33 co-relation queries the response was YES. [2024-11-13 13:12:45,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1034 conditions, 906 events. 28/906 cut-off events. For 30/33 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4278 event pairs, 9 based on Foata normal form. 0/859 useless extension candidates. Maximal degree in co-relation 1027. Up to 48 conditions per place. [2024-11-13 13:12:45,105 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 0 selfloop transitions, 0 changer transitions 284/284 dead transitions. [2024-11-13 13:12:45,105 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 284 transitions, 628 flow [2024-11-13 13:12:45,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:12:45,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:12:45,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 970 transitions. [2024-11-13 13:12:45,108 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9371980676328503 [2024-11-13 13:12:45,108 INFO L175 Difference]: Start difference. First operand has 290 places, 284 transitions, 601 flow. Second operand 3 states and 970 transitions. [2024-11-13 13:12:45,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 284 transitions, 628 flow [2024-11-13 13:12:45,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 284 transitions, 624 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:12:45,112 INFO L231 Difference]: Finished difference. Result has 289 places, 0 transitions, 0 flow [2024-11-13 13:12:45,112 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=595, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=289, PETRI_TRANSITIONS=0} [2024-11-13 13:12:45,113 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -30 predicate places. [2024-11-13 13:12:45,113 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 0 transitions, 0 flow [2024-11-13 13:12:45,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.6666666666667) internal successors, (965), 3 states have internal predecessors, (965), 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) [2024-11-13 13:12:45,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (50 of 51 remaining) [2024-11-13 13:12:45,116 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (49 of 51 remaining) [2024-11-13 13:12:45,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (48 of 51 remaining) [2024-11-13 13:12:45,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (47 of 51 remaining) [2024-11-13 13:12:45,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (46 of 51 remaining) [2024-11-13 13:12:45,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (45 of 51 remaining) [2024-11-13 13:12:45,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (44 of 51 remaining) [2024-11-13 13:12:45,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (43 of 51 remaining) [2024-11-13 13:12:45,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (42 of 51 remaining) [2024-11-13 13:12:45,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (41 of 51 remaining) [2024-11-13 13:12:45,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (40 of 51 remaining) [2024-11-13 13:12:45,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (39 of 51 remaining) [2024-11-13 13:12:45,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (38 of 51 remaining) [2024-11-13 13:12:45,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (37 of 51 remaining) [2024-11-13 13:12:45,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (36 of 51 remaining) [2024-11-13 13:12:45,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (35 of 51 remaining) [2024-11-13 13:12:45,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (34 of 51 remaining) [2024-11-13 13:12:45,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (33 of 51 remaining) [2024-11-13 13:12:45,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (32 of 51 remaining) [2024-11-13 13:12:45,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (31 of 51 remaining) [2024-11-13 13:12:45,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (30 of 51 remaining) [2024-11-13 13:12:45,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (29 of 51 remaining) [2024-11-13 13:12:45,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (28 of 51 remaining) [2024-11-13 13:12:45,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (27 of 51 remaining) [2024-11-13 13:12:45,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (26 of 51 remaining) [2024-11-13 13:12:45,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (25 of 51 remaining) [2024-11-13 13:12:45,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (24 of 51 remaining) [2024-11-13 13:12:45,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (23 of 51 remaining) [2024-11-13 13:12:45,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (22 of 51 remaining) [2024-11-13 13:12:45,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (21 of 51 remaining) [2024-11-13 13:12:45,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (20 of 51 remaining) [2024-11-13 13:12:45,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 51 remaining) [2024-11-13 13:12:45,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 51 remaining) [2024-11-13 13:12:45,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 51 remaining) [2024-11-13 13:12:45,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (16 of 51 remaining) [2024-11-13 13:12:45,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (15 of 51 remaining) [2024-11-13 13:12:45,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (14 of 51 remaining) [2024-11-13 13:12:45,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 51 remaining) [2024-11-13 13:12:45,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 51 remaining) [2024-11-13 13:12:45,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 51 remaining) [2024-11-13 13:12:45,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (10 of 51 remaining) [2024-11-13 13:12:45,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (9 of 51 remaining) [2024-11-13 13:12:45,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 51 remaining) [2024-11-13 13:12:45,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 51 remaining) [2024-11-13 13:12:45,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 51 remaining) [2024-11-13 13:12:45,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 51 remaining) [2024-11-13 13:12:45,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (4 of 51 remaining) [2024-11-13 13:12:45,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 51 remaining) [2024-11-13 13:12:45,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (2 of 51 remaining) [2024-11-13 13:12:45,122 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 51 remaining) [2024-11-13 13:12:45,122 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (0 of 51 remaining) [2024-11-13 13:12:45,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 13:12:45,122 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:12:45,128 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 13:12:45,128 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:12:45,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:12:45 BasicIcfg [2024-11-13 13:12:45,134 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:12:45,134 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:12:45,135 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:12:45,135 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:12:45,136 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:12:38" (3/4) ... [2024-11-13 13:12:45,137 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 13:12:45,141 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-13 13:12:45,141 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-13 13:12:45,146 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-13 13:12:45,147 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 13:12:45,147 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 13:12:45,147 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 13:12:45,231 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3a3015-3307-427e-962f-ba0e0bc0a048/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:12:45,232 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3a3015-3307-427e-962f-ba0e0bc0a048/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 13:12:45,232 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:12:45,233 INFO L158 Benchmark]: Toolchain (without parser) took 8343.63ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 92.9MB in the beginning and 54.4MB in the end (delta: 38.5MB). Peak memory consumption was 105.1MB. Max. memory is 16.1GB. [2024-11-13 13:12:45,233 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:12:45,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.92ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 80.6MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:12:45,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.49ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 78.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:12:45,234 INFO L158 Benchmark]: Boogie Preprocessor took 48.51ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:12:45,234 INFO L158 Benchmark]: RCFGBuilder took 742.25ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 54.9MB in the end (delta: 22.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:12:45,234 INFO L158 Benchmark]: TraceAbstraction took 7011.41ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 54.2MB in the beginning and 59.1MB in the end (delta: -4.9MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2024-11-13 13:12:45,235 INFO L158 Benchmark]: Witness Printer took 97.42ms. Allocated memory is still 184.5MB. Free memory was 59.1MB in the beginning and 54.4MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:12:45,236 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.92ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 80.6MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.49ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 78.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.51ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 742.25ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 54.9MB in the end (delta: 22.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7011.41ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 54.2MB in the beginning and 59.1MB in the end (delta: -4.9MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. * Witness Printer took 97.42ms. Allocated memory is still 184.5MB. Free memory was 59.1MB in the beginning and 54.4MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: 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 5 procedures, 525 locations, 51 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: 6.7s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 563 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 173 mSDsluCounter, 99 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 592 IncrementalHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 99 mSDtfsCounter, 592 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=664occurred in iteration=0, InterpolantAutomatonStates: 60, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1791 NumberOfCodeBlocks, 1791 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1771 ConstructedInterpolants, 0 QuantifiedInterpolants, 1811 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 31 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 13:12:45,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de3a3015-3307-427e-962f-ba0e0bc0a048/bin/uautomizer-verify-qhAvR1uOyd/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