./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-cond-4.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_97d2d93d-eb8b-4c18-afaf-e7a8815cc652/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d2d93d-eb8b-4c18-afaf-e7a8815cc652/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_97d2d93d-eb8b-4c18-afaf-e7a8815cc652/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d2d93d-eb8b-4c18-afaf-e7a8815cc652/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d2d93d-eb8b-4c18-afaf-e7a8815cc652/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_97d2d93d-eb8b-4c18-afaf-e7a8815cc652/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 6b28fb6889d0d92f72216f98e0edff81bbc7a955814acfd4caad3db76eb7ead3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:10:51,858 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:10:51,920 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d2d93d-eb8b-4c18-afaf-e7a8815cc652/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 16:10:51,925 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:10:51,926 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:10:51,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:10:51,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:10:51,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:10:51,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:10:51,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:10:51,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:10:51,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:10:51,955 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:10:51,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:10:51,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:10:51,955 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:10:51,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:10:51,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:10:51,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:10:51,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:10:51,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:10:51,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:10:51,956 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 16:10:51,956 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:10:51,956 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:10:51,956 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:10:51,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:10:51,957 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:10:51,957 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:10:51,957 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:10:51,957 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:10:51,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:10:51,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:10:51,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:10:51,958 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:10:51,958 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:10:51,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:10:51,958 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:10:51,958 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:10:51,958 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:10:51,958 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:10:51,958 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_97d2d93d-eb8b-4c18-afaf-e7a8815cc652/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 -> 6b28fb6889d0d92f72216f98e0edff81bbc7a955814acfd4caad3db76eb7ead3 [2024-11-13 16:10:52,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:10:52,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:10:52,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:10:52,326 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:10:52,326 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:10:52,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d2d93d-eb8b-4c18-afaf-e7a8815cc652/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/weaver/unroll-cond-4.wvr.c Unable to find full path for "g++" [2024-11-13 16:10:54,428 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:10:54,734 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:10:54,735 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d2d93d-eb8b-4c18-afaf-e7a8815cc652/sv-benchmarks/c/weaver/unroll-cond-4.wvr.c [2024-11-13 16:10:54,762 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d2d93d-eb8b-4c18-afaf-e7a8815cc652/bin/uautomizer-verify-qhAvR1uOyd/data/aacf32cf0/085164e724524ad9ba9a09dacbc7774b/FLAG23a02ef0e [2024-11-13 16:10:54,794 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d2d93d-eb8b-4c18-afaf-e7a8815cc652/bin/uautomizer-verify-qhAvR1uOyd/data/aacf32cf0/085164e724524ad9ba9a09dacbc7774b [2024-11-13 16:10:54,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:10:54,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:10:54,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:10:54,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:10:54,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:10:54,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:10:54" (1/1) ... [2024-11-13 16:10:54,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ea2b189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:10:54, skipping insertion in model container [2024-11-13 16:10:54,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:10:54" (1/1) ... [2024-11-13 16:10:54,835 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:10:55,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:10:55,150 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:10:55,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:10:55,246 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:10:55,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:10:55 WrapperNode [2024-11-13 16:10:55,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:10:55,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:10:55,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:10:55,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:10:55,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:10:55" (1/1) ... [2024-11-13 16:10:55,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:10:55" (1/1) ... [2024-11-13 16:10:55,334 INFO L138 Inliner]: procedures = 23, calls = 32, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 396 [2024-11-13 16:10:55,334 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:10:55,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:10:55,335 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:10:55,335 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:10:55,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:10:55" (1/1) ... [2024-11-13 16:10:55,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:10:55" (1/1) ... [2024-11-13 16:10:55,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:10:55" (1/1) ... [2024-11-13 16:10:55,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:10:55" (1/1) ... [2024-11-13 16:10:55,377 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:10:55" (1/1) ... [2024-11-13 16:10:55,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:10:55" (1/1) ... [2024-11-13 16:10:55,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:10:55" (1/1) ... [2024-11-13 16:10:55,392 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:10:55" (1/1) ... [2024-11-13 16:10:55,400 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:10:55,405 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:10:55,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:10:55,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:10:55,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:10:55" (1/1) ... [2024-11-13 16:10:55,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:10:55,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d2d93d-eb8b-4c18-afaf-e7a8815cc652/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:10:55,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d2d93d-eb8b-4c18-afaf-e7a8815cc652/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:10:55,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d2d93d-eb8b-4c18-afaf-e7a8815cc652/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:10:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:10:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 16:10:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 16:10:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 16:10:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 16:10:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:10:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 16:10:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 16:10:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:10:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:10:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 16:10:55,494 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 16:10:55,667 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:10:55,670 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:10:56,696 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 16:10:56,696 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:10:56,741 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:10:56,741 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 16:10:56,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:10:56 BoogieIcfgContainer [2024-11-13 16:10:56,745 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:10:56,748 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:10:56,748 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:10:56,753 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:10:56,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:10:54" (1/3) ... [2024-11-13 16:10:56,754 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14e2f3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:10:56, skipping insertion in model container [2024-11-13 16:10:56,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:10:55" (2/3) ... [2024-11-13 16:10:56,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14e2f3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:10:56, skipping insertion in model container [2024-11-13 16:10:56,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:10:56" (3/3) ... [2024-11-13 16:10:56,757 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.c [2024-11-13 16:10:56,780 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:10:56,781 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG unroll-cond-4.wvr.c that has 3 procedures, 505 locations, 1 initial locations, 3 loop locations, and 69 error locations. [2024-11-13 16:10:56,782 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 16:10:57,062 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 16:10:57,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 511 places, 533 transitions, 1080 flow [2024-11-13 16:10:57,453 INFO L124 PetriNetUnfolderBase]: 29/531 cut-off events. [2024-11-13 16:10:57,457 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 16:10:57,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 540 conditions, 531 events. 29/531 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1436 event pairs, 0 based on Foata normal form. 0/433 useless extension candidates. Maximal degree in co-relation 405. Up to 2 conditions per place. [2024-11-13 16:10:57,485 INFO L82 GeneralOperation]: Start removeDead. Operand has 511 places, 533 transitions, 1080 flow [2024-11-13 16:10:57,502 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 493 places, 514 transitions, 1040 flow [2024-11-13 16:10:57,516 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:10:57,540 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;@308162af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:10:57,540 INFO L334 AbstractCegarLoop]: Starting to check reachability of 132 error locations. [2024-11-13 16:10:57,550 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 16:10:57,550 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-13 16:10:57,550 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 16:10:57,550 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:10:57,551 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] [2024-11-13 16:10:57,551 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-13 16:10:57,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:10:57,560 INFO L85 PathProgramCache]: Analyzing trace with hash -875526297, now seen corresponding path program 1 times [2024-11-13 16:10:57,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:10:57,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649001320] [2024-11-13 16:10:57,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:10:57,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:10:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:57,802 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 16:10:57,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:10:57,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649001320] [2024-11-13 16:10:57,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649001320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:10:57,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:10:57,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:10:57,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803028964] [2024-11-13 16:10:57,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:10:57,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:10:57,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:10:57,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:10:57,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:10:57,938 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 533 [2024-11-13 16:10:57,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 514 transitions, 1040 flow. Second operand has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 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 16:10:57,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:10:57,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 533 [2024-11-13 16:10:57,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:10:58,254 INFO L124 PetriNetUnfolderBase]: 33/772 cut-off events. [2024-11-13 16:10:58,254 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-13 16:10:58,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 825 conditions, 772 events. 33/772 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3509 event pairs, 9 based on Foata normal form. 17/641 useless extension candidates. Maximal degree in co-relation 683. Up to 36 conditions per place. [2024-11-13 16:10:58,268 INFO L140 encePairwiseOnDemand]: 516/533 looper letters, 12 selfloop transitions, 2 changer transitions 3/499 dead transitions. [2024-11-13 16:10:58,269 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 494 places, 499 transitions, 1038 flow [2024-11-13 16:10:58,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:10:58,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:10:58,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1532 transitions. [2024-11-13 16:10:58,287 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9580988117573483 [2024-11-13 16:10:58,289 INFO L175 Difference]: Start difference. First operand has 493 places, 514 transitions, 1040 flow. Second operand 3 states and 1532 transitions. [2024-11-13 16:10:58,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 494 places, 499 transitions, 1038 flow [2024-11-13 16:10:58,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 499 transitions, 1030 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 16:10:58,308 INFO L231 Difference]: Finished difference. Result has 490 places, 496 transitions, 1000 flow [2024-11-13 16:10:58,312 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=1002, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=499, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1000, PETRI_PLACES=490, PETRI_TRANSITIONS=496} [2024-11-13 16:10:58,316 INFO L277 CegarLoopForPetriNet]: 493 programPoint places, -3 predicate places. [2024-11-13 16:10:58,316 INFO L471 AbstractCegarLoop]: Abstraction has has 490 places, 496 transitions, 1000 flow [2024-11-13 16:10:58,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 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 16:10:58,318 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:10:58,318 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] [2024-11-13 16:10:58,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:10:58,318 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-13 16:10:58,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:10:58,319 INFO L85 PathProgramCache]: Analyzing trace with hash 438775295, now seen corresponding path program 1 times [2024-11-13 16:10:58,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:10:58,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487740839] [2024-11-13 16:10:58,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:10:58,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:10:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:58,406 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 16:10:58,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:10:58,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487740839] [2024-11-13 16:10:58,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487740839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:10:58,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:10:58,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:10:58,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349508777] [2024-11-13 16:10:58,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:10:58,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:10:58,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:10:58,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:10:58,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:10:58,518 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 496 out of 533 [2024-11-13 16:10:58,521 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 496 transitions, 1000 flow. Second operand has 3 states, 3 states have (on average 497.3333333333333) internal successors, (1492), 3 states have internal predecessors, (1492), 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 16:10:58,521 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:10:58,521 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 496 of 533 [2024-11-13 16:10:58,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:10:58,808 INFO L124 PetriNetUnfolderBase]: 40/852 cut-off events. [2024-11-13 16:10:58,808 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2024-11-13 16:10:58,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 909 conditions, 852 events. 40/852 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3724 event pairs, 15 based on Foata normal form. 0/685 useless extension candidates. Maximal degree in co-relation 881. Up to 48 conditions per place. [2024-11-13 16:10:58,823 INFO L140 encePairwiseOnDemand]: 530/533 looper letters, 17 selfloop transitions, 2 changer transitions 0/495 dead transitions. [2024-11-13 16:10:58,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 495 transitions, 1036 flow [2024-11-13 16:10:58,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:10:58,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:10:58,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1508 transitions. [2024-11-13 16:10:58,835 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.943089430894309 [2024-11-13 16:10:58,838 INFO L175 Difference]: Start difference. First operand has 490 places, 496 transitions, 1000 flow. Second operand 3 states and 1508 transitions. [2024-11-13 16:10:58,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 495 transitions, 1036 flow [2024-11-13 16:10:58,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 486 places, 495 transitions, 1032 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:10:58,854 INFO L231 Difference]: Finished difference. Result has 486 places, 495 transitions, 998 flow [2024-11-13 16:10:58,855 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=994, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=495, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=493, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=998, PETRI_PLACES=486, PETRI_TRANSITIONS=495} [2024-11-13 16:10:58,857 INFO L277 CegarLoopForPetriNet]: 493 programPoint places, -7 predicate places. [2024-11-13 16:10:58,857 INFO L471 AbstractCegarLoop]: Abstraction has has 486 places, 495 transitions, 998 flow [2024-11-13 16:10:58,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 497.3333333333333) internal successors, (1492), 3 states have internal predecessors, (1492), 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 16:10:58,859 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:10:58,859 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] [2024-11-13 16:10:58,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:10:58,861 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-13 16:10:58,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:10:58,861 INFO L85 PathProgramCache]: Analyzing trace with hash 952684761, now seen corresponding path program 1 times [2024-11-13 16:10:58,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:10:58,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224674950] [2024-11-13 16:10:58,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:10:58,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:10:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:58,933 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 16:10:58,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:10:58,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224674950] [2024-11-13 16:10:58,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224674950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:10:58,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:10:58,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:10:58,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284556269] [2024-11-13 16:10:58,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:10:58,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:10:58,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:10:58,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:10:58,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:10:59,026 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 482 out of 533 [2024-11-13 16:10:59,031 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 486 places, 495 transitions, 998 flow. Second operand has 3 states, 3 states have (on average 483.0) internal successors, (1449), 3 states have internal predecessors, (1449), 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 16:10:59,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:10:59,032 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 482 of 533 [2024-11-13 16:10:59,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:10:59,647 INFO L124 PetriNetUnfolderBase]: 142/1933 cut-off events. [2024-11-13 16:10:59,648 INFO L125 PetriNetUnfolderBase]: For 33/34 co-relation queries the response was YES. [2024-11-13 16:10:59,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2100 conditions, 1933 events. 142/1933 cut-off events. For 33/34 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 12016 event pairs, 44 based on Foata normal form. 0/1554 useless extension candidates. Maximal degree in co-relation 2064. Up to 157 conditions per place. [2024-11-13 16:10:59,675 INFO L140 encePairwiseOnDemand]: 522/533 looper letters, 24 selfloop transitions, 1 changer transitions 0/485 dead transitions. [2024-11-13 16:10:59,675 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 485 transitions, 1028 flow [2024-11-13 16:10:59,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:10:59,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:10:59,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1481 transitions. [2024-11-13 16:10:59,683 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9262038774233896 [2024-11-13 16:10:59,683 INFO L175 Difference]: Start difference. First operand has 486 places, 495 transitions, 998 flow. Second operand 3 states and 1481 transitions. [2024-11-13 16:10:59,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 485 transitions, 1028 flow [2024-11-13 16:10:59,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 485 transitions, 1024 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:10:59,696 INFO L231 Difference]: Finished difference. Result has 476 places, 485 transitions, 976 flow [2024-11-13 16:10:59,697 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=974, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=484, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=976, PETRI_PLACES=476, PETRI_TRANSITIONS=485} [2024-11-13 16:10:59,699 INFO L277 CegarLoopForPetriNet]: 493 programPoint places, -17 predicate places. [2024-11-13 16:10:59,699 INFO L471 AbstractCegarLoop]: Abstraction has has 476 places, 485 transitions, 976 flow [2024-11-13 16:10:59,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 483.0) internal successors, (1449), 3 states have internal predecessors, (1449), 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 16:10:59,701 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:10:59,701 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] [2024-11-13 16:10:59,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 16:10:59,701 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-13 16:10:59,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:10:59,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1432985068, now seen corresponding path program 1 times [2024-11-13 16:10:59,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:10:59,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988776171] [2024-11-13 16:10:59,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:10:59,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:10:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:10:59,827 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 16:10:59,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:10:59,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988776171] [2024-11-13 16:10:59,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988776171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:10:59,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:10:59,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:10:59,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370613554] [2024-11-13 16:10:59,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:10:59,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:10:59,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:10:59,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:10:59,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:10:59,923 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 498 out of 533 [2024-11-13 16:10:59,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 485 transitions, 976 flow. Second operand has 3 states, 3 states have (on average 499.3333333333333) internal successors, (1498), 3 states have internal predecessors, (1498), 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 16:10:59,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:10:59,927 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 498 of 533 [2024-11-13 16:10:59,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:11:00,124 INFO L124 PetriNetUnfolderBase]: 40/834 cut-off events. [2024-11-13 16:11:00,124 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2024-11-13 16:11:00,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 888 conditions, 834 events. 40/834 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3589 event pairs, 15 based on Foata normal form. 0/685 useless extension candidates. Maximal degree in co-relation 852. Up to 46 conditions per place. [2024-11-13 16:11:00,135 INFO L140 encePairwiseOnDemand]: 530/533 looper letters, 15 selfloop transitions, 2 changer transitions 0/484 dead transitions. [2024-11-13 16:11:00,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 484 transitions, 1008 flow [2024-11-13 16:11:00,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:00,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:11:00,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1512 transitions. [2024-11-13 16:11:00,140 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9455909943714822 [2024-11-13 16:11:00,141 INFO L175 Difference]: Start difference. First operand has 476 places, 485 transitions, 976 flow. Second operand 3 states and 1512 transitions. [2024-11-13 16:11:00,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 484 transitions, 1008 flow [2024-11-13 16:11:00,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 484 transitions, 1007 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 16:11:00,152 INFO L231 Difference]: Finished difference. Result has 476 places, 484 transitions, 977 flow [2024-11-13 16:11:00,153 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=973, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=484, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=482, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=977, PETRI_PLACES=476, PETRI_TRANSITIONS=484} [2024-11-13 16:11:00,154 INFO L277 CegarLoopForPetriNet]: 493 programPoint places, -17 predicate places. [2024-11-13 16:11:00,154 INFO L471 AbstractCegarLoop]: Abstraction has has 476 places, 484 transitions, 977 flow [2024-11-13 16:11:00,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 499.3333333333333) internal successors, (1498), 3 states have internal predecessors, (1498), 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 16:11:00,155 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:11:00,155 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] [2024-11-13 16:11:00,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 16:11:00,156 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-13 16:11:00,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:00,157 INFO L85 PathProgramCache]: Analyzing trace with hash -509303896, now seen corresponding path program 1 times [2024-11-13 16:11:00,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:00,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180866460] [2024-11-13 16:11:00,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:00,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:01,090 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 16:11:01,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:01,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180866460] [2024-11-13 16:11:01,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180866460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:01,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:01,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:11:01,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820245962] [2024-11-13 16:11:01,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:01,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:11:01,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:01,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:11:01,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:11:01,593 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 467 out of 533 [2024-11-13 16:11:01,597 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 484 transitions, 977 flow. Second operand has 6 states, 6 states have (on average 468.5) internal successors, (2811), 6 states have internal predecessors, (2811), 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 16:11:01,597 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:11:01,598 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 467 of 533 [2024-11-13 16:11:01,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:11:02,126 INFO L124 PetriNetUnfolderBase]: 289/2555 cut-off events. [2024-11-13 16:11:02,126 INFO L125 PetriNetUnfolderBase]: For 60/61 co-relation queries the response was YES. [2024-11-13 16:11:02,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2979 conditions, 2555 events. 289/2555 cut-off events. For 60/61 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 17211 event pairs, 144 based on Foata normal form. 0/2068 useless extension candidates. Maximal degree in co-relation 2944. Up to 408 conditions per place. [2024-11-13 16:11:02,154 INFO L140 encePairwiseOnDemand]: 527/533 looper letters, 44 selfloop transitions, 5 changer transitions 0/483 dead transitions. [2024-11-13 16:11:02,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 483 transitions, 1073 flow [2024-11-13 16:11:02,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:11:02,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:11:02,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2852 transitions. [2024-11-13 16:11:02,165 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8918073796122576 [2024-11-13 16:11:02,165 INFO L175 Difference]: Start difference. First operand has 476 places, 484 transitions, 977 flow. Second operand 6 states and 2852 transitions. [2024-11-13 16:11:02,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 483 transitions, 1073 flow [2024-11-13 16:11:02,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 478 places, 483 transitions, 1069 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:11:02,180 INFO L231 Difference]: Finished difference. Result has 478 places, 483 transitions, 981 flow [2024-11-13 16:11:02,181 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=971, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=981, PETRI_PLACES=478, PETRI_TRANSITIONS=483} [2024-11-13 16:11:02,181 INFO L277 CegarLoopForPetriNet]: 493 programPoint places, -15 predicate places. [2024-11-13 16:11:02,182 INFO L471 AbstractCegarLoop]: Abstraction has has 478 places, 483 transitions, 981 flow [2024-11-13 16:11:02,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 468.5) internal successors, (2811), 6 states have internal predecessors, (2811), 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 16:11:02,185 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:11:02,186 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] [2024-11-13 16:11:02,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 16:11:02,186 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-13 16:11:02,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:02,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1645825074, now seen corresponding path program 1 times [2024-11-13 16:11:02,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:02,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606731285] [2024-11-13 16:11:02,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:02,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:02,260 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 16:11:02,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:02,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606731285] [2024-11-13 16:11:02,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606731285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:02,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:02,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:11:02,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814439105] [2024-11-13 16:11:02,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:02,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:02,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:02,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:02,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:02,307 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 497 out of 533 [2024-11-13 16:11:02,309 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 483 transitions, 981 flow. Second operand has 3 states, 3 states have (on average 498.3333333333333) internal successors, (1495), 3 states have internal predecessors, (1495), 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 16:11:02,309 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:11:02,310 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 497 of 533 [2024-11-13 16:11:02,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:11:02,569 INFO L124 PetriNetUnfolderBase]: 84/1574 cut-off events. [2024-11-13 16:11:02,569 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-13 16:11:02,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1667 conditions, 1574 events. 84/1574 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 9500 event pairs, 17 based on Foata normal form. 0/1295 useless extension candidates. Maximal degree in co-relation 1649. Up to 77 conditions per place. [2024-11-13 16:11:02,580 INFO L140 encePairwiseOnDemand]: 526/533 looper letters, 16 selfloop transitions, 2 changer transitions 0/481 dead transitions. [2024-11-13 16:11:02,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 475 places, 481 transitions, 1014 flow [2024-11-13 16:11:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:02,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:11:02,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1514 transitions. [2024-11-13 16:11:02,584 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9468417761100688 [2024-11-13 16:11:02,585 INFO L175 Difference]: Start difference. First operand has 478 places, 483 transitions, 981 flow. Second operand 3 states and 1514 transitions. [2024-11-13 16:11:02,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 475 places, 481 transitions, 1014 flow [2024-11-13 16:11:02,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 470 places, 481 transitions, 1004 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 16:11:02,596 INFO L231 Difference]: Finished difference. Result has 471 places, 480 transitions, 975 flow [2024-11-13 16:11:02,597 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=961, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=478, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=476, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=975, PETRI_PLACES=471, PETRI_TRANSITIONS=480} [2024-11-13 16:11:02,601 INFO L277 CegarLoopForPetriNet]: 493 programPoint places, -22 predicate places. [2024-11-13 16:11:02,601 INFO L471 AbstractCegarLoop]: Abstraction has has 471 places, 480 transitions, 975 flow [2024-11-13 16:11:02,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 498.3333333333333) internal successors, (1495), 3 states have internal predecessors, (1495), 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 16:11:02,603 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:11:02,603 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 16:11:02,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 16:11:02,604 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-13 16:11:02,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:02,604 INFO L85 PathProgramCache]: Analyzing trace with hash 573084089, now seen corresponding path program 1 times [2024-11-13 16:11:02,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:02,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142562760] [2024-11-13 16:11:02,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:02,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:02,689 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 16:11:02,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:02,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142562760] [2024-11-13 16:11:02,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142562760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:02,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:02,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:11:02,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028152907] [2024-11-13 16:11:02,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:02,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:02,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:02,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:02,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:02,716 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 533 [2024-11-13 16:11:02,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 480 transitions, 975 flow. Second operand has 3 states, 3 states have (on average 501.0) internal successors, (1503), 3 states have internal predecessors, (1503), 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 16:11:02,719 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:11:02,719 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 533 [2024-11-13 16:11:02,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:11:02,906 INFO L124 PetriNetUnfolderBase]: 46/1161 cut-off events. [2024-11-13 16:11:02,906 INFO L125 PetriNetUnfolderBase]: For 2/8 co-relation queries the response was YES. [2024-11-13 16:11:02,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1212 conditions, 1161 events. 46/1161 cut-off events. For 2/8 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 5445 event pairs, 1 based on Foata normal form. 1/971 useless extension candidates. Maximal degree in co-relation 1177. Up to 20 conditions per place. [2024-11-13 16:11:02,915 INFO L140 encePairwiseOnDemand]: 526/533 looper letters, 11 selfloop transitions, 3 changer transitions 0/477 dead transitions. [2024-11-13 16:11:02,915 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 477 transitions, 998 flow [2024-11-13 16:11:02,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:02,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:11:02,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1518 transitions. [2024-11-13 16:11:02,919 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.949343339587242 [2024-11-13 16:11:02,919 INFO L175 Difference]: Start difference. First operand has 471 places, 480 transitions, 975 flow. Second operand 3 states and 1518 transitions. [2024-11-13 16:11:02,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 477 transitions, 998 flow [2024-11-13 16:11:02,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 477 transitions, 998 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 16:11:02,927 INFO L231 Difference]: Finished difference. Result has 469 places, 476 transitions, 973 flow [2024-11-13 16:11:02,928 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=967, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=476, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=473, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=973, PETRI_PLACES=469, PETRI_TRANSITIONS=476} [2024-11-13 16:11:02,929 INFO L277 CegarLoopForPetriNet]: 493 programPoint places, -24 predicate places. [2024-11-13 16:11:02,929 INFO L471 AbstractCegarLoop]: Abstraction has has 469 places, 476 transitions, 973 flow [2024-11-13 16:11:02,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 501.0) internal successors, (1503), 3 states have internal predecessors, (1503), 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 16:11:02,930 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:11:02,930 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] [2024-11-13 16:11:02,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 16:11:02,931 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-13 16:11:02,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:02,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1930192567, now seen corresponding path program 1 times [2024-11-13 16:11:02,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:02,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666437333] [2024-11-13 16:11:02,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:02,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:02,979 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 16:11:02,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:02,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666437333] [2024-11-13 16:11:02,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666437333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:02,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:02,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:11:02,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730815947] [2024-11-13 16:11:02,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:02,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:02,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:02,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:02,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:03,121 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 440 out of 533 [2024-11-13 16:11:03,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 469 places, 476 transitions, 973 flow. Second operand has 3 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 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 16:11:03,124 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:11:03,124 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 440 of 533 [2024-11-13 16:11:03,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:11:03,335 INFO L124 PetriNetUnfolderBase]: 83/1035 cut-off events. [2024-11-13 16:11:03,335 INFO L125 PetriNetUnfolderBase]: For 51/52 co-relation queries the response was YES. [2024-11-13 16:11:03,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1256 conditions, 1035 events. 83/1035 cut-off events. For 51/52 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5395 event pairs, 7 based on Foata normal form. 1/919 useless extension candidates. Maximal degree in co-relation 1220. Up to 169 conditions per place. [2024-11-13 16:11:03,344 INFO L140 encePairwiseOnDemand]: 496/533 looper letters, 39 selfloop transitions, 14 changer transitions 4/455 dead transitions. [2024-11-13 16:11:03,344 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 455 transitions, 1042 flow [2024-11-13 16:11:03,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:03,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:11:03,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1397 transitions. [2024-11-13 16:11:03,348 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8736710444027517 [2024-11-13 16:11:03,349 INFO L175 Difference]: Start difference. First operand has 469 places, 476 transitions, 973 flow. Second operand 3 states and 1397 transitions. [2024-11-13 16:11:03,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 455 transitions, 1042 flow [2024-11-13 16:11:03,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 455 transitions, 1036 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:11:03,359 INFO L231 Difference]: Finished difference. Result has 447 places, 450 transitions, 942 flow [2024-11-13 16:11:03,361 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=923, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=942, PETRI_PLACES=447, PETRI_TRANSITIONS=450} [2024-11-13 16:11:03,361 INFO L277 CegarLoopForPetriNet]: 493 programPoint places, -46 predicate places. [2024-11-13 16:11:03,362 INFO L471 AbstractCegarLoop]: Abstraction has has 447 places, 450 transitions, 942 flow [2024-11-13 16:11:03,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 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 16:11:03,365 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:11:03,365 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 16:11:03,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 16:11:03,365 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-13 16:11:03,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:03,366 INFO L85 PathProgramCache]: Analyzing trace with hash 912343514, now seen corresponding path program 1 times [2024-11-13 16:11:03,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:03,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037792651] [2024-11-13 16:11:03,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:03,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:03,443 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 16:11:03,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:03,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037792651] [2024-11-13 16:11:03,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037792651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:03,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:03,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:11:03,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906908719] [2024-11-13 16:11:03,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:03,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:03,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:03,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:03,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:03,505 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 488 out of 533 [2024-11-13 16:11:03,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 450 transitions, 942 flow. Second operand has 3 states, 3 states have (on average 489.3333333333333) internal successors, (1468), 3 states have internal predecessors, (1468), 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 16:11:03,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:11:03,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 488 of 533 [2024-11-13 16:11:03,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:11:03,838 INFO L124 PetriNetUnfolderBase]: 139/2007 cut-off events. [2024-11-13 16:11:03,839 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-13 16:11:03,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2262 conditions, 2007 events. 139/2007 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 12672 event pairs, 15 based on Foata normal form. 0/1789 useless extension candidates. Maximal degree in co-relation 2226. Up to 143 conditions per place. [2024-11-13 16:11:03,852 INFO L140 encePairwiseOnDemand]: 520/533 looper letters, 22 selfloop transitions, 5 changer transitions 0/449 dead transitions. [2024-11-13 16:11:03,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 449 transitions, 996 flow [2024-11-13 16:11:03,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:03,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:11:03,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1499 transitions. [2024-11-13 16:11:03,858 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9374609130706691 [2024-11-13 16:11:03,859 INFO L175 Difference]: Start difference. First operand has 447 places, 450 transitions, 942 flow. Second operand 3 states and 1499 transitions. [2024-11-13 16:11:03,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 449 transitions, 996 flow [2024-11-13 16:11:03,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 449 transitions, 968 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:11:03,869 INFO L231 Difference]: Finished difference. Result has 436 places, 447 transitions, 933 flow [2024-11-13 16:11:03,870 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=433, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=933, PETRI_PLACES=436, PETRI_TRANSITIONS=447} [2024-11-13 16:11:03,872 INFO L277 CegarLoopForPetriNet]: 493 programPoint places, -57 predicate places. [2024-11-13 16:11:03,873 INFO L471 AbstractCegarLoop]: Abstraction has has 436 places, 447 transitions, 933 flow [2024-11-13 16:11:03,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 489.3333333333333) internal successors, (1468), 3 states have internal predecessors, (1468), 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 16:11:03,874 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:11:03,874 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 16:11:03,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 16:11:03,874 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-13 16:11:03,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:03,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1658182912, now seen corresponding path program 1 times [2024-11-13 16:11:03,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:03,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624527497] [2024-11-13 16:11:03,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:03,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:04,053 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 16:11:04,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:04,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624527497] [2024-11-13 16:11:04,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624527497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:04,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:04,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:11:04,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697844400] [2024-11-13 16:11:04,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:04,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:11:04,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:04,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:11:04,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:11:04,117 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 506 out of 533 [2024-11-13 16:11:04,120 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 447 transitions, 933 flow. Second operand has 4 states, 4 states have (on average 507.25) internal successors, (2029), 4 states have internal predecessors, (2029), 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 16:11:04,121 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:11:04,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 506 of 533 [2024-11-13 16:11:04,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:11:04,552 INFO L124 PetriNetUnfolderBase]: 127/2483 cut-off events. [2024-11-13 16:11:04,552 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 16:11:04,563 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2639 conditions, 2483 events. 127/2483 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 16436 event pairs, 7 based on Foata normal form. 0/2213 useless extension candidates. Maximal degree in co-relation 2602. Up to 59 conditions per place. [2024-11-13 16:11:04,571 INFO L140 encePairwiseOnDemand]: 527/533 looper letters, 13 selfloop transitions, 6 changer transitions 0/456 dead transitions. [2024-11-13 16:11:04,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 456 transitions, 993 flow [2024-11-13 16:11:04,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:11:04,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 16:11:04,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2550 transitions. [2024-11-13 16:11:04,577 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9568480300187617 [2024-11-13 16:11:04,577 INFO L175 Difference]: Start difference. First operand has 436 places, 447 transitions, 933 flow. Second operand 5 states and 2550 transitions. [2024-11-13 16:11:04,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 456 transitions, 993 flow [2024-11-13 16:11:04,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 456 transitions, 993 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 16:11:04,586 INFO L231 Difference]: Finished difference. Result has 443 places, 451 transitions, 971 flow [2024-11-13 16:11:04,587 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=933, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=971, PETRI_PLACES=443, PETRI_TRANSITIONS=451} [2024-11-13 16:11:04,587 INFO L277 CegarLoopForPetriNet]: 493 programPoint places, -50 predicate places. [2024-11-13 16:11:04,587 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 451 transitions, 971 flow [2024-11-13 16:11:04,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 507.25) internal successors, (2029), 4 states have internal predecessors, (2029), 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 16:11:04,589 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:11:04,589 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] [2024-11-13 16:11:04,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 16:11:04,590 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-13 16:11:04,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:04,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1077821636, now seen corresponding path program 1 times [2024-11-13 16:11:04,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:04,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023092278] [2024-11-13 16:11:04,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:04,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:05,177 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 16:11:05,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:05,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023092278] [2024-11-13 16:11:05,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023092278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:05,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:05,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:11:05,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585028183] [2024-11-13 16:11:05,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:05,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:11:05,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:05,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:11:05,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:11:05,951 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 499 out of 533 [2024-11-13 16:11:05,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 451 transitions, 971 flow. Second operand has 6 states, 6 states have (on average 500.5) internal successors, (3003), 6 states have internal predecessors, (3003), 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 16:11:05,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:11:05,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 499 of 533 [2024-11-13 16:11:05,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:11:06,357 INFO L124 PetriNetUnfolderBase]: 102/1913 cut-off events. [2024-11-13 16:11:06,357 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-13 16:11:06,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2096 conditions, 1913 events. 102/1913 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 11497 event pairs, 6 based on Foata normal form. 0/1717 useless extension candidates. Maximal degree in co-relation 2053. Up to 46 conditions per place. [2024-11-13 16:11:06,374 INFO L140 encePairwiseOnDemand]: 527/533 looper letters, 15 selfloop transitions, 6 changer transitions 0/454 dead transitions. [2024-11-13 16:11:06,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 454 transitions, 1023 flow [2024-11-13 16:11:06,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:11:06,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:11:06,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3015 transitions. [2024-11-13 16:11:06,383 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9427767354596623 [2024-11-13 16:11:06,384 INFO L175 Difference]: Start difference. First operand has 443 places, 451 transitions, 971 flow. Second operand 6 states and 3015 transitions. [2024-11-13 16:11:06,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 454 transitions, 1023 flow [2024-11-13 16:11:06,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 454 transitions, 1023 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 16:11:06,396 INFO L231 Difference]: Finished difference. Result has 447 places, 450 transitions, 981 flow [2024-11-13 16:11:06,397 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=969, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=981, PETRI_PLACES=447, PETRI_TRANSITIONS=450} [2024-11-13 16:11:06,398 INFO L277 CegarLoopForPetriNet]: 493 programPoint places, -46 predicate places. [2024-11-13 16:11:06,398 INFO L471 AbstractCegarLoop]: Abstraction has has 447 places, 450 transitions, 981 flow [2024-11-13 16:11:06,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 500.5) internal successors, (3003), 6 states have internal predecessors, (3003), 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 16:11:06,401 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:11:06,401 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 16:11:06,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 16:11:06,402 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-13 16:11:06,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:06,403 INFO L85 PathProgramCache]: Analyzing trace with hash 373268882, now seen corresponding path program 1 times [2024-11-13 16:11:06,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:06,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698370460] [2024-11-13 16:11:06,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:06,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:06,582 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 16:11:06,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:06,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698370460] [2024-11-13 16:11:06,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698370460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:06,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:06,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:11:06,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125014452] [2024-11-13 16:11:06,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:06,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:11:06,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:06,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:11:06,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:11:06,896 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 533 [2024-11-13 16:11:06,899 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 450 transitions, 981 flow. Second operand has 4 states, 4 states have (on average 501.5) internal successors, (2006), 4 states have internal predecessors, (2006), 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 16:11:06,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:11:06,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 533 [2024-11-13 16:11:06,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:11:07,438 INFO L124 PetriNetUnfolderBase]: 155/2631 cut-off events. [2024-11-13 16:11:07,438 INFO L125 PetriNetUnfolderBase]: For 48/49 co-relation queries the response was YES. [2024-11-13 16:11:07,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2967 conditions, 2631 events. 155/2631 cut-off events. For 48/49 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 16728 event pairs, 14 based on Foata normal form. 0/2357 useless extension candidates. Maximal degree in co-relation 2924. Up to 111 conditions per place. [2024-11-13 16:11:07,460 INFO L140 encePairwiseOnDemand]: 524/533 looper letters, 18 selfloop transitions, 9 changer transitions 0/461 dead transitions. [2024-11-13 16:11:07,461 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 461 transitions, 1060 flow [2024-11-13 16:11:07,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:11:07,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 16:11:07,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2528 transitions. [2024-11-13 16:11:07,468 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.94859287054409 [2024-11-13 16:11:07,468 INFO L175 Difference]: Start difference. First operand has 447 places, 450 transitions, 981 flow. Second operand 5 states and 2528 transitions. [2024-11-13 16:11:07,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 461 transitions, 1060 flow [2024-11-13 16:11:07,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 461 transitions, 1048 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 16:11:07,480 INFO L231 Difference]: Finished difference. Result has 449 places, 457 transitions, 1031 flow [2024-11-13 16:11:07,481 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=969, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1031, PETRI_PLACES=449, PETRI_TRANSITIONS=457} [2024-11-13 16:11:07,483 INFO L277 CegarLoopForPetriNet]: 493 programPoint places, -44 predicate places. [2024-11-13 16:11:07,484 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 457 transitions, 1031 flow [2024-11-13 16:11:07,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 501.5) internal successors, (2006), 4 states have internal predecessors, (2006), 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 16:11:07,485 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:11:07,486 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] [2024-11-13 16:11:07,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 16:11:07,486 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-13 16:11:07,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:07,486 INFO L85 PathProgramCache]: Analyzing trace with hash -2076789497, now seen corresponding path program 1 times [2024-11-13 16:11:07,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:07,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55319305] [2024-11-13 16:11:07,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:07,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:07,555 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 16:11:07,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:07,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55319305] [2024-11-13 16:11:07,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55319305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:07,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:07,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:11:07,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043348851] [2024-11-13 16:11:07,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:07,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:07,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:07,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:07,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:07,592 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 504 out of 533 [2024-11-13 16:11:07,595 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 457 transitions, 1031 flow. Second operand has 3 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 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 16:11:07,595 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:11:07,595 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 504 of 533 [2024-11-13 16:11:07,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:11:08,266 INFO L124 PetriNetUnfolderBase]: 176/3706 cut-off events. [2024-11-13 16:11:08,267 INFO L125 PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES. [2024-11-13 16:11:08,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4114 conditions, 3706 events. 176/3706 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 27702 event pairs, 18 based on Foata normal form. 0/3331 useless extension candidates. Maximal degree in co-relation 4068. Up to 91 conditions per place. [2024-11-13 16:11:08,294 INFO L140 encePairwiseOnDemand]: 530/533 looper letters, 9 selfloop transitions, 2 changer transitions 0/457 dead transitions. [2024-11-13 16:11:08,295 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 457 transitions, 1054 flow [2024-11-13 16:11:08,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:08,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:11:08,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1524 transitions. [2024-11-13 16:11:08,299 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9530956848030019 [2024-11-13 16:11:08,299 INFO L175 Difference]: Start difference. First operand has 449 places, 457 transitions, 1031 flow. Second operand 3 states and 1524 transitions. [2024-11-13 16:11:08,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 457 transitions, 1054 flow [2024-11-13 16:11:08,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 457 transitions, 1054 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 16:11:08,309 INFO L231 Difference]: Finished difference. Result has 450 places, 456 transitions, 1033 flow [2024-11-13 16:11:08,310 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=1029, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=456, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1033, PETRI_PLACES=450, PETRI_TRANSITIONS=456} [2024-11-13 16:11:08,312 INFO L277 CegarLoopForPetriNet]: 493 programPoint places, -43 predicate places. [2024-11-13 16:11:08,313 INFO L471 AbstractCegarLoop]: Abstraction has has 450 places, 456 transitions, 1033 flow [2024-11-13 16:11:08,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 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 16:11:08,314 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:11:08,314 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] [2024-11-13 16:11:08,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 16:11:08,315 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err35ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-13 16:11:08,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:08,315 INFO L85 PathProgramCache]: Analyzing trace with hash -542734946, now seen corresponding path program 1 times [2024-11-13 16:11:08,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:08,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526833277] [2024-11-13 16:11:08,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:08,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:08,478 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 16:11:08,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:08,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526833277] [2024-11-13 16:11:08,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526833277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:08,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:08,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:11:08,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210923039] [2024-11-13 16:11:08,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:08,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:11:08,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:08,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:11:08,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:11:08,764 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 500 out of 533 [2024-11-13 16:11:08,767 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 456 transitions, 1033 flow. Second operand has 4 states, 4 states have (on average 501.5) internal successors, (2006), 4 states have internal predecessors, (2006), 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 16:11:08,767 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:11:08,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 500 of 533 [2024-11-13 16:11:08,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:11:09,341 INFO L124 PetriNetUnfolderBase]: 152/2619 cut-off events. [2024-11-13 16:11:09,342 INFO L125 PetriNetUnfolderBase]: For 148/149 co-relation queries the response was YES. [2024-11-13 16:11:09,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3045 conditions, 2619 events. 152/2619 cut-off events. For 148/149 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 16617 event pairs, 14 based on Foata normal form. 0/2363 useless extension candidates. Maximal degree in co-relation 2997. Up to 111 conditions per place. [2024-11-13 16:11:09,356 INFO L140 encePairwiseOnDemand]: 524/533 looper letters, 18 selfloop transitions, 9 changer transitions 0/463 dead transitions. [2024-11-13 16:11:09,356 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 463 transitions, 1104 flow [2024-11-13 16:11:09,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:11:09,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 16:11:09,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2528 transitions. [2024-11-13 16:11:09,363 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.94859287054409 [2024-11-13 16:11:09,363 INFO L175 Difference]: Start difference. First operand has 450 places, 456 transitions, 1033 flow. Second operand 5 states and 2528 transitions. [2024-11-13 16:11:09,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 463 transitions, 1104 flow [2024-11-13 16:11:09,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 463 transitions, 1100 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:11:09,375 INFO L231 Difference]: Finished difference. Result has 455 places, 459 transitions, 1075 flow [2024-11-13 16:11:09,376 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=1029, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=456, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1075, PETRI_PLACES=455, PETRI_TRANSITIONS=459} [2024-11-13 16:11:09,377 INFO L277 CegarLoopForPetriNet]: 493 programPoint places, -38 predicate places. [2024-11-13 16:11:09,378 INFO L471 AbstractCegarLoop]: Abstraction has has 455 places, 459 transitions, 1075 flow [2024-11-13 16:11:09,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 501.5) internal successors, (2006), 4 states have internal predecessors, (2006), 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 16:11:09,380 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:11:09,380 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] [2024-11-13 16:11:09,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 16:11:09,381 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-13 16:11:09,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:09,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1540323362, now seen corresponding path program 1 times [2024-11-13 16:11:09,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:09,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8828301] [2024-11-13 16:11:09,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:09,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:09,913 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 16:11:09,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:09,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8828301] [2024-11-13 16:11:09,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8828301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:09,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:09,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:11:09,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744975601] [2024-11-13 16:11:09,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:09,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:11:09,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:09,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:11:09,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:11:10,632 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 457 out of 533 [2024-11-13 16:11:10,637 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 459 transitions, 1075 flow. Second operand has 6 states, 6 states have (on average 458.6666666666667) internal successors, (2752), 6 states have internal predecessors, (2752), 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 16:11:10,637 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:11:10,637 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 457 of 533 [2024-11-13 16:11:10,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:11:11,152 INFO L124 PetriNetUnfolderBase]: 226/2195 cut-off events. [2024-11-13 16:11:11,152 INFO L125 PetriNetUnfolderBase]: For 305/306 co-relation queries the response was YES. [2024-11-13 16:11:11,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3050 conditions, 2195 events. 226/2195 cut-off events. For 305/306 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 13277 event pairs, 24 based on Foata normal form. 0/2037 useless extension candidates. Maximal degree in co-relation 2997. Up to 176 conditions per place. [2024-11-13 16:11:11,167 INFO L140 encePairwiseOnDemand]: 491/533 looper letters, 21 selfloop transitions, 39 changer transitions 0/456 dead transitions. [2024-11-13 16:11:11,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 456 transitions, 1193 flow [2024-11-13 16:11:11,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:11:11,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 16:11:11,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2805 transitions. [2024-11-13 16:11:11,174 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8771106941838649 [2024-11-13 16:11:11,175 INFO L175 Difference]: Start difference. First operand has 455 places, 459 transitions, 1075 flow. Second operand 6 states and 2805 transitions. [2024-11-13 16:11:11,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 456 transitions, 1193 flow [2024-11-13 16:11:11,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 456 transitions, 1193 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 16:11:11,184 INFO L231 Difference]: Finished difference. Result has 453 places, 452 transitions, 1139 flow [2024-11-13 16:11:11,185 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=1061, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1139, PETRI_PLACES=453, PETRI_TRANSITIONS=452} [2024-11-13 16:11:11,185 INFO L277 CegarLoopForPetriNet]: 493 programPoint places, -40 predicate places. [2024-11-13 16:11:11,185 INFO L471 AbstractCegarLoop]: Abstraction has has 453 places, 452 transitions, 1139 flow [2024-11-13 16:11:11,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 458.6666666666667) internal successors, (2752), 6 states have internal predecessors, (2752), 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 16:11:11,187 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:11:11,187 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] [2024-11-13 16:11:11,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 16:11:11,187 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-13 16:11:11,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:11,187 INFO L85 PathProgramCache]: Analyzing trace with hash 2077106796, now seen corresponding path program 1 times [2024-11-13 16:11:11,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:11,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457245052] [2024-11-13 16:11:11,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:11,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:11,248 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 16:11:11,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:11,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457245052] [2024-11-13 16:11:11,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457245052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:11,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:11,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:11:11,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423348968] [2024-11-13 16:11:11,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:11,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:11,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:11,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:11,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:11,423 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 533 [2024-11-13 16:11:11,424 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 452 transitions, 1139 flow. Second operand has 3 states, 3 states have (on average 482.6666666666667) internal successors, (1448), 3 states have internal predecessors, (1448), 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 16:11:11,425 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:11:11,425 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 533 [2024-11-13 16:11:11,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:11:11,872 INFO L124 PetriNetUnfolderBase]: 198/2493 cut-off events. [2024-11-13 16:11:11,872 INFO L125 PetriNetUnfolderBase]: For 315/316 co-relation queries the response was YES. [2024-11-13 16:11:11,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3440 conditions, 2493 events. 198/2493 cut-off events. For 315/316 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 15793 event pairs, 92 based on Foata normal form. 0/2302 useless extension candidates. Maximal degree in co-relation 3388. Up to 332 conditions per place. [2024-11-13 16:11:11,896 INFO L140 encePairwiseOnDemand]: 530/533 looper letters, 33 selfloop transitions, 2 changer transitions 0/452 dead transitions. [2024-11-13 16:11:11,897 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 452 transitions, 1210 flow [2024-11-13 16:11:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:11,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:11:11,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1476 transitions. [2024-11-13 16:11:11,900 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2024-11-13 16:11:11,900 INFO L175 Difference]: Start difference. First operand has 453 places, 452 transitions, 1139 flow. Second operand 3 states and 1476 transitions. [2024-11-13 16:11:11,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 452 transitions, 1210 flow [2024-11-13 16:11:11,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 452 transitions, 1132 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 16:11:11,912 INFO L231 Difference]: Finished difference. Result has 449 places, 451 transitions, 1063 flow [2024-11-13 16:11:11,913 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=1059, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1063, PETRI_PLACES=449, PETRI_TRANSITIONS=451} [2024-11-13 16:11:11,914 INFO L277 CegarLoopForPetriNet]: 493 programPoint places, -44 predicate places. [2024-11-13 16:11:11,914 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 451 transitions, 1063 flow [2024-11-13 16:11:11,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 482.6666666666667) internal successors, (1448), 3 states have internal predecessors, (1448), 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 16:11:11,915 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:11:11,915 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] [2024-11-13 16:11:11,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 16:11:11,915 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err44ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-13 16:11:11,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:11,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1093324512, now seen corresponding path program 1 times [2024-11-13 16:11:11,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:11,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301320295] [2024-11-13 16:11:11,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:11,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:11,975 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 16:11:11,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:11,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301320295] [2024-11-13 16:11:11,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301320295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:11,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:11,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:11:11,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019622959] [2024-11-13 16:11:11,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:11,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:11,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:11,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:11,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:12,159 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 533 [2024-11-13 16:11:12,161 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 451 transitions, 1063 flow. Second operand has 3 states, 3 states have (on average 482.3333333333333) internal successors, (1447), 3 states have internal predecessors, (1447), 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 16:11:12,161 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:11:12,161 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 533 [2024-11-13 16:11:12,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:11:12,720 INFO L124 PetriNetUnfolderBase]: 193/2380 cut-off events. [2024-11-13 16:11:12,720 INFO L125 PetriNetUnfolderBase]: For 231/232 co-relation queries the response was YES. [2024-11-13 16:11:12,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3049 conditions, 2380 events. 193/2380 cut-off events. For 231/232 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 14899 event pairs, 92 based on Foata normal form. 0/2197 useless extension candidates. Maximal degree in co-relation 2997. Up to 329 conditions per place. [2024-11-13 16:11:12,740 INFO L140 encePairwiseOnDemand]: 530/533 looper letters, 33 selfloop transitions, 2 changer transitions 0/451 dead transitions. [2024-11-13 16:11:12,741 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 451 transitions, 1134 flow [2024-11-13 16:11:12,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:12,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:11:12,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1476 transitions. [2024-11-13 16:11:12,745 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2024-11-13 16:11:12,745 INFO L175 Difference]: Start difference. First operand has 449 places, 451 transitions, 1063 flow. Second operand 3 states and 1476 transitions. [2024-11-13 16:11:12,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 451 transitions, 1134 flow [2024-11-13 16:11:12,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 451 transitions, 1130 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:11:12,758 INFO L231 Difference]: Finished difference. Result has 448 places, 450 transitions, 1061 flow [2024-11-13 16:11:12,759 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=1057, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1061, PETRI_PLACES=448, PETRI_TRANSITIONS=450} [2024-11-13 16:11:12,760 INFO L277 CegarLoopForPetriNet]: 493 programPoint places, -45 predicate places. [2024-11-13 16:11:12,760 INFO L471 AbstractCegarLoop]: Abstraction has has 448 places, 450 transitions, 1061 flow [2024-11-13 16:11:12,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 482.3333333333333) internal successors, (1447), 3 states have internal predecessors, (1447), 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 16:11:12,765 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:11:12,765 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] [2024-11-13 16:11:12,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 16:11:12,766 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-13 16:11:12,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:12,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1975603559, now seen corresponding path program 1 times [2024-11-13 16:11:12,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:12,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016293724] [2024-11-13 16:11:12,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:12,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:12,846 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 16:11:12,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:12,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016293724] [2024-11-13 16:11:12,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016293724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:12,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:12,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:11:12,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823084741] [2024-11-13 16:11:12,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:12,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:12,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:12,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:12,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:13,036 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 533 [2024-11-13 16:11:13,043 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 450 transitions, 1061 flow. Second operand has 3 states, 3 states have (on average 482.6666666666667) internal successors, (1448), 3 states have internal predecessors, (1448), 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 16:11:13,043 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:11:13,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 533 [2024-11-13 16:11:13,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:11:13,495 INFO L124 PetriNetUnfolderBase]: 194/2380 cut-off events. [2024-11-13 16:11:13,495 INFO L125 PetriNetUnfolderBase]: For 233/234 co-relation queries the response was YES. [2024-11-13 16:11:13,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3051 conditions, 2380 events. 194/2380 cut-off events. For 233/234 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 14952 event pairs, 92 based on Foata normal form. 0/2200 useless extension candidates. Maximal degree in co-relation 2999. Up to 330 conditions per place. [2024-11-13 16:11:13,509 INFO L140 encePairwiseOnDemand]: 530/533 looper letters, 33 selfloop transitions, 2 changer transitions 0/450 dead transitions. [2024-11-13 16:11:13,510 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 450 transitions, 1132 flow [2024-11-13 16:11:13,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:13,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:11:13,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1476 transitions. [2024-11-13 16:11:13,513 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2024-11-13 16:11:13,513 INFO L175 Difference]: Start difference. First operand has 448 places, 450 transitions, 1061 flow. Second operand 3 states and 1476 transitions. [2024-11-13 16:11:13,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 450 transitions, 1132 flow [2024-11-13 16:11:13,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 450 transitions, 1128 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:11:13,523 INFO L231 Difference]: Finished difference. Result has 447 places, 449 transitions, 1059 flow [2024-11-13 16:11:13,524 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=1055, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1059, PETRI_PLACES=447, PETRI_TRANSITIONS=449} [2024-11-13 16:11:13,525 INFO L277 CegarLoopForPetriNet]: 493 programPoint places, -46 predicate places. [2024-11-13 16:11:13,525 INFO L471 AbstractCegarLoop]: Abstraction has has 447 places, 449 transitions, 1059 flow [2024-11-13 16:11:13,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 482.6666666666667) internal successors, (1448), 3 states have internal predecessors, (1448), 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 16:11:13,526 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:11:13,527 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] [2024-11-13 16:11:13,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 16:11:13,527 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err52ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-13 16:11:13,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:13,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1184402186, now seen corresponding path program 1 times [2024-11-13 16:11:13,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:13,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140300983] [2024-11-13 16:11:13,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:13,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:13,594 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 16:11:13,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:13,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140300983] [2024-11-13 16:11:13,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140300983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:13,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:13,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:11:13,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849903648] [2024-11-13 16:11:13,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:13,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:13,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:13,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:13,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:13,746 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 533 [2024-11-13 16:11:13,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 449 transitions, 1059 flow. Second operand has 3 states, 3 states have (on average 482.3333333333333) internal successors, (1447), 3 states have internal predecessors, (1447), 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 16:11:13,749 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:11:13,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 533 [2024-11-13 16:11:13,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:11:14,168 INFO L124 PetriNetUnfolderBase]: 190/2313 cut-off events. [2024-11-13 16:11:14,169 INFO L125 PetriNetUnfolderBase]: For 232/233 co-relation queries the response was YES. [2024-11-13 16:11:14,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2977 conditions, 2313 events. 190/2313 cut-off events. For 232/233 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 14296 event pairs, 92 based on Foata normal form. 0/2139 useless extension candidates. Maximal degree in co-relation 2925. Up to 328 conditions per place. [2024-11-13 16:11:14,184 INFO L140 encePairwiseOnDemand]: 530/533 looper letters, 32 selfloop transitions, 2 changer transitions 1/449 dead transitions. [2024-11-13 16:11:14,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 449 transitions, 1130 flow [2024-11-13 16:11:14,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:14,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:11:14,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1476 transitions. [2024-11-13 16:11:14,188 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2024-11-13 16:11:14,188 INFO L175 Difference]: Start difference. First operand has 447 places, 449 transitions, 1059 flow. Second operand 3 states and 1476 transitions. [2024-11-13 16:11:14,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 449 transitions, 1130 flow [2024-11-13 16:11:14,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 449 transitions, 1126 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:11:14,198 INFO L231 Difference]: Finished difference. Result has 446 places, 448 transitions, 1057 flow [2024-11-13 16:11:14,199 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=1053, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1057, PETRI_PLACES=446, PETRI_TRANSITIONS=448} [2024-11-13 16:11:14,200 INFO L277 CegarLoopForPetriNet]: 493 programPoint places, -47 predicate places. [2024-11-13 16:11:14,200 INFO L471 AbstractCegarLoop]: Abstraction has has 446 places, 448 transitions, 1057 flow [2024-11-13 16:11:14,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 482.3333333333333) internal successors, (1447), 3 states have internal predecessors, (1447), 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 16:11:14,201 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:11:14,201 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] [2024-11-13 16:11:14,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 16:11:14,202 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-13 16:11:14,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:14,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1847192751, now seen corresponding path program 1 times [2024-11-13 16:11:14,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:14,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61424810] [2024-11-13 16:11:14,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:14,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:14,268 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 16:11:14,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:14,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61424810] [2024-11-13 16:11:14,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61424810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:14,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:14,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:11:14,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895463094] [2024-11-13 16:11:14,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:14,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:14,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:14,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:14,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:14,412 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 533 [2024-11-13 16:11:14,413 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 448 transitions, 1057 flow. Second operand has 3 states, 3 states have (on average 483.6666666666667) internal successors, (1451), 3 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:14,413 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:11:14,413 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 533 [2024-11-13 16:11:14,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:11:14,863 INFO L124 PetriNetUnfolderBase]: 197/2443 cut-off events. [2024-11-13 16:11:14,864 INFO L125 PetriNetUnfolderBase]: For 233/234 co-relation queries the response was YES. [2024-11-13 16:11:14,873 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3125 conditions, 2443 events. 197/2443 cut-off events. For 233/234 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 15206 event pairs, 92 based on Foata normal form. 0/2270 useless extension candidates. Maximal degree in co-relation 3073. Up to 332 conditions per place. [2024-11-13 16:11:14,878 INFO L140 encePairwiseOnDemand]: 530/533 looper letters, 33 selfloop transitions, 2 changer transitions 0/448 dead transitions. [2024-11-13 16:11:14,878 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 448 transitions, 1128 flow [2024-11-13 16:11:14,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:14,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:11:14,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1476 transitions. [2024-11-13 16:11:14,882 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2024-11-13 16:11:14,882 INFO L175 Difference]: Start difference. First operand has 446 places, 448 transitions, 1057 flow. Second operand 3 states and 1476 transitions. [2024-11-13 16:11:14,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 448 transitions, 1128 flow [2024-11-13 16:11:14,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 448 transitions, 1124 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:11:14,892 INFO L231 Difference]: Finished difference. Result has 445 places, 447 transitions, 1055 flow [2024-11-13 16:11:14,893 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=1051, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1055, PETRI_PLACES=445, PETRI_TRANSITIONS=447} [2024-11-13 16:11:14,893 INFO L277 CegarLoopForPetriNet]: 493 programPoint places, -48 predicate places. [2024-11-13 16:11:14,894 INFO L471 AbstractCegarLoop]: Abstraction has has 445 places, 447 transitions, 1055 flow [2024-11-13 16:11:14,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 483.6666666666667) internal successors, (1451), 3 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:11:14,894 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:11:14,895 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:11:14,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 16:11:14,895 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-13 16:11:14,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:14,896 INFO L85 PathProgramCache]: Analyzing trace with hash 964659560, now seen corresponding path program 1 times [2024-11-13 16:11:14,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:14,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956347474] [2024-11-13 16:11:14,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:14,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:14,977 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 16:11:14,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:14,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956347474] [2024-11-13 16:11:14,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956347474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:14,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:14,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:11:14,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580046164] [2024-11-13 16:11:14,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:14,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:14,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:14,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:14,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:15,164 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 533 [2024-11-13 16:11:15,166 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 447 transitions, 1055 flow. Second operand has 3 states, 3 states have (on average 484.6666666666667) internal successors, (1454), 3 states have internal predecessors, (1454), 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 16:11:15,166 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:11:15,166 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 533 [2024-11-13 16:11:15,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:11:15,651 INFO L124 PetriNetUnfolderBase]: 196/2404 cut-off events. [2024-11-13 16:11:15,651 INFO L125 PetriNetUnfolderBase]: For 233/234 co-relation queries the response was YES. [2024-11-13 16:11:15,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3087 conditions, 2404 events. 196/2404 cut-off events. For 233/234 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 14985 event pairs, 92 based on Foata normal form. 0/2237 useless extension candidates. Maximal degree in co-relation 3035. Up to 332 conditions per place. [2024-11-13 16:11:15,665 INFO L140 encePairwiseOnDemand]: 530/533 looper letters, 33 selfloop transitions, 2 changer transitions 0/447 dead transitions. [2024-11-13 16:11:15,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 447 transitions, 1126 flow [2024-11-13 16:11:15,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:15,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:11:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1476 transitions. [2024-11-13 16:11:15,668 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2024-11-13 16:11:15,668 INFO L175 Difference]: Start difference. First operand has 445 places, 447 transitions, 1055 flow. Second operand 3 states and 1476 transitions. [2024-11-13 16:11:15,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 447 transitions, 1126 flow [2024-11-13 16:11:15,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 447 transitions, 1122 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:11:15,676 INFO L231 Difference]: Finished difference. Result has 444 places, 446 transitions, 1053 flow [2024-11-13 16:11:15,676 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=1049, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1053, PETRI_PLACES=444, PETRI_TRANSITIONS=446} [2024-11-13 16:11:15,677 INFO L277 CegarLoopForPetriNet]: 493 programPoint places, -49 predicate places. [2024-11-13 16:11:15,677 INFO L471 AbstractCegarLoop]: Abstraction has has 444 places, 446 transitions, 1053 flow [2024-11-13 16:11:15,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 484.6666666666667) internal successors, (1454), 3 states have internal predecessors, (1454), 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 16:11:15,678 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 16:11:15,678 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:15,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 16:11:15,678 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2024-11-13 16:11:15,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:11:15,679 INFO L85 PathProgramCache]: Analyzing trace with hash 468560287, now seen corresponding path program 1 times [2024-11-13 16:11:15,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:11:15,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101378498] [2024-11-13 16:11:15,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:11:15,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:11:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:11:15,784 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 16:11:15,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:11:15,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101378498] [2024-11-13 16:11:15,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101378498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:11:15,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:11:15,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:11:15,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538578836] [2024-11-13 16:11:15,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:11:15,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:11:15,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:11:15,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:11:15,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:11:15,929 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 480 out of 533 [2024-11-13 16:11:15,931 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 446 transitions, 1053 flow. Second operand has 3 states, 3 states have (on average 485.6666666666667) internal successors, (1457), 3 states have internal predecessors, (1457), 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 16:11:15,931 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 16:11:15,931 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 480 of 533 [2024-11-13 16:11:15,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 16:11:16,336 INFO L124 PetriNetUnfolderBase]: 195/2365 cut-off events. [2024-11-13 16:11:16,336 INFO L125 PetriNetUnfolderBase]: For 233/234 co-relation queries the response was YES. [2024-11-13 16:11:16,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3048 conditions, 2365 events. 195/2365 cut-off events. For 233/234 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 14634 event pairs, 92 based on Foata normal form. 0/2204 useless extension candidates. Maximal degree in co-relation 2996. Up to 332 conditions per place. [2024-11-13 16:11:16,346 INFO L140 encePairwiseOnDemand]: 530/533 looper letters, 0 selfloop transitions, 0 changer transitions 446/446 dead transitions. [2024-11-13 16:11:16,346 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 446 transitions, 1124 flow [2024-11-13 16:11:16,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:11:16,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 16:11:16,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1476 transitions. [2024-11-13 16:11:16,349 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2024-11-13 16:11:16,349 INFO L175 Difference]: Start difference. First operand has 444 places, 446 transitions, 1053 flow. Second operand 3 states and 1476 transitions. [2024-11-13 16:11:16,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 446 transitions, 1124 flow [2024-11-13 16:11:16,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 446 transitions, 1120 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 16:11:16,356 INFO L231 Difference]: Finished difference. Result has 443 places, 0 transitions, 0 flow [2024-11-13 16:11:16,357 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=533, PETRI_DIFFERENCE_MINUEND_FLOW=1047, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=443, PETRI_TRANSITIONS=0} [2024-11-13 16:11:16,357 INFO L277 CegarLoopForPetriNet]: 493 programPoint places, -50 predicate places. [2024-11-13 16:11:16,357 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 0 transitions, 0 flow [2024-11-13 16:11:16,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 485.6666666666667) internal successors, (1457), 3 states have internal predecessors, (1457), 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 16:11:16,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (131 of 132 remaining) [2024-11-13 16:11:16,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (130 of 132 remaining) [2024-11-13 16:11:16,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (129 of 132 remaining) [2024-11-13 16:11:16,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (128 of 132 remaining) [2024-11-13 16:11:16,362 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (127 of 132 remaining) [2024-11-13 16:11:16,362 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (126 of 132 remaining) [2024-11-13 16:11:16,362 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (125 of 132 remaining) [2024-11-13 16:11:16,362 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (124 of 132 remaining) [2024-11-13 16:11:16,362 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (123 of 132 remaining) [2024-11-13 16:11:16,362 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (122 of 132 remaining) [2024-11-13 16:11:16,362 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (121 of 132 remaining) [2024-11-13 16:11:16,362 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (120 of 132 remaining) [2024-11-13 16:11:16,363 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (119 of 132 remaining) [2024-11-13 16:11:16,363 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (118 of 132 remaining) [2024-11-13 16:11:16,363 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (117 of 132 remaining) [2024-11-13 16:11:16,363 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (116 of 132 remaining) [2024-11-13 16:11:16,363 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (115 of 132 remaining) [2024-11-13 16:11:16,363 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (114 of 132 remaining) [2024-11-13 16:11:16,363 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (113 of 132 remaining) [2024-11-13 16:11:16,363 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (112 of 132 remaining) [2024-11-13 16:11:16,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (111 of 132 remaining) [2024-11-13 16:11:16,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (110 of 132 remaining) [2024-11-13 16:11:16,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (109 of 132 remaining) [2024-11-13 16:11:16,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (108 of 132 remaining) [2024-11-13 16:11:16,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (107 of 132 remaining) [2024-11-13 16:11:16,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (106 of 132 remaining) [2024-11-13 16:11:16,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (105 of 132 remaining) [2024-11-13 16:11:16,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (104 of 132 remaining) [2024-11-13 16:11:16,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (103 of 132 remaining) [2024-11-13 16:11:16,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (102 of 132 remaining) [2024-11-13 16:11:16,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (101 of 132 remaining) [2024-11-13 16:11:16,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (100 of 132 remaining) [2024-11-13 16:11:16,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (99 of 132 remaining) [2024-11-13 16:11:16,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (98 of 132 remaining) [2024-11-13 16:11:16,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (97 of 132 remaining) [2024-11-13 16:11:16,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (96 of 132 remaining) [2024-11-13 16:11:16,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (95 of 132 remaining) [2024-11-13 16:11:16,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (94 of 132 remaining) [2024-11-13 16:11:16,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (93 of 132 remaining) [2024-11-13 16:11:16,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (92 of 132 remaining) [2024-11-13 16:11:16,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (91 of 132 remaining) [2024-11-13 16:11:16,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (90 of 132 remaining) [2024-11-13 16:11:16,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (89 of 132 remaining) [2024-11-13 16:11:16,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (88 of 132 remaining) [2024-11-13 16:11:16,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (87 of 132 remaining) [2024-11-13 16:11:16,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (86 of 132 remaining) [2024-11-13 16:11:16,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (85 of 132 remaining) [2024-11-13 16:11:16,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (84 of 132 remaining) [2024-11-13 16:11:16,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (83 of 132 remaining) [2024-11-13 16:11:16,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (82 of 132 remaining) [2024-11-13 16:11:16,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (81 of 132 remaining) [2024-11-13 16:11:16,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (80 of 132 remaining) [2024-11-13 16:11:16,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (79 of 132 remaining) [2024-11-13 16:11:16,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (78 of 132 remaining) [2024-11-13 16:11:16,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (77 of 132 remaining) [2024-11-13 16:11:16,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (76 of 132 remaining) [2024-11-13 16:11:16,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (75 of 132 remaining) [2024-11-13 16:11:16,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (74 of 132 remaining) [2024-11-13 16:11:16,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (73 of 132 remaining) [2024-11-13 16:11:16,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (72 of 132 remaining) [2024-11-13 16:11:16,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (71 of 132 remaining) [2024-11-13 16:11:16,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (70 of 132 remaining) [2024-11-13 16:11:16,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (69 of 132 remaining) [2024-11-13 16:11:16,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (68 of 132 remaining) [2024-11-13 16:11:16,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (67 of 132 remaining) [2024-11-13 16:11:16,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (66 of 132 remaining) [2024-11-13 16:11:16,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (65 of 132 remaining) [2024-11-13 16:11:16,367 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (64 of 132 remaining) [2024-11-13 16:11:16,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (63 of 132 remaining) [2024-11-13 16:11:16,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (62 of 132 remaining) [2024-11-13 16:11:16,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (61 of 132 remaining) [2024-11-13 16:11:16,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (60 of 132 remaining) [2024-11-13 16:11:16,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (59 of 132 remaining) [2024-11-13 16:11:16,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (58 of 132 remaining) [2024-11-13 16:11:16,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (57 of 132 remaining) [2024-11-13 16:11:16,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (56 of 132 remaining) [2024-11-13 16:11:16,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (55 of 132 remaining) [2024-11-13 16:11:16,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (54 of 132 remaining) [2024-11-13 16:11:16,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (53 of 132 remaining) [2024-11-13 16:11:16,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (52 of 132 remaining) [2024-11-13 16:11:16,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (51 of 132 remaining) [2024-11-13 16:11:16,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (50 of 132 remaining) [2024-11-13 16:11:16,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (49 of 132 remaining) [2024-11-13 16:11:16,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (48 of 132 remaining) [2024-11-13 16:11:16,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (47 of 132 remaining) [2024-11-13 16:11:16,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (46 of 132 remaining) [2024-11-13 16:11:16,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (45 of 132 remaining) [2024-11-13 16:11:16,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (44 of 132 remaining) [2024-11-13 16:11:16,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (43 of 132 remaining) [2024-11-13 16:11:16,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (42 of 132 remaining) [2024-11-13 16:11:16,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (41 of 132 remaining) [2024-11-13 16:11:16,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (40 of 132 remaining) [2024-11-13 16:11:16,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (39 of 132 remaining) [2024-11-13 16:11:16,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (38 of 132 remaining) [2024-11-13 16:11:16,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (37 of 132 remaining) [2024-11-13 16:11:16,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (36 of 132 remaining) [2024-11-13 16:11:16,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (35 of 132 remaining) [2024-11-13 16:11:16,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (34 of 132 remaining) [2024-11-13 16:11:16,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (33 of 132 remaining) [2024-11-13 16:11:16,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (32 of 132 remaining) [2024-11-13 16:11:16,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (31 of 132 remaining) [2024-11-13 16:11:16,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (30 of 132 remaining) [2024-11-13 16:11:16,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (29 of 132 remaining) [2024-11-13 16:11:16,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (28 of 132 remaining) [2024-11-13 16:11:16,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (27 of 132 remaining) [2024-11-13 16:11:16,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (26 of 132 remaining) [2024-11-13 16:11:16,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (25 of 132 remaining) [2024-11-13 16:11:16,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (24 of 132 remaining) [2024-11-13 16:11:16,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (23 of 132 remaining) [2024-11-13 16:11:16,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (22 of 132 remaining) [2024-11-13 16:11:16,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (21 of 132 remaining) [2024-11-13 16:11:16,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (20 of 132 remaining) [2024-11-13 16:11:16,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (19 of 132 remaining) [2024-11-13 16:11:16,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (18 of 132 remaining) [2024-11-13 16:11:16,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (17 of 132 remaining) [2024-11-13 16:11:16,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (16 of 132 remaining) [2024-11-13 16:11:16,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (15 of 132 remaining) [2024-11-13 16:11:16,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (14 of 132 remaining) [2024-11-13 16:11:16,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (13 of 132 remaining) [2024-11-13 16:11:16,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (12 of 132 remaining) [2024-11-13 16:11:16,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (11 of 132 remaining) [2024-11-13 16:11:16,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (10 of 132 remaining) [2024-11-13 16:11:16,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (9 of 132 remaining) [2024-11-13 16:11:16,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (8 of 132 remaining) [2024-11-13 16:11:16,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (7 of 132 remaining) [2024-11-13 16:11:16,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (6 of 132 remaining) [2024-11-13 16:11:16,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (5 of 132 remaining) [2024-11-13 16:11:16,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (4 of 132 remaining) [2024-11-13 16:11:16,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (3 of 132 remaining) [2024-11-13 16:11:16,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (2 of 132 remaining) [2024-11-13 16:11:16,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (1 of 132 remaining) [2024-11-13 16:11:16,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (0 of 132 remaining) [2024-11-13 16:11:16,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 16:11:16,375 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, 1, 1] [2024-11-13 16:11:16,381 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 16:11:16,382 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:11:16,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:11:16 BasicIcfg [2024-11-13 16:11:16,388 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:11:16,388 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:11:16,388 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:11:16,389 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:11:16,389 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:10:56" (3/4) ... [2024-11-13 16:11:16,391 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:11:16,394 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-13 16:11:16,394 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-13 16:11:16,399 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-13 16:11:16,399 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 16:11:16,399 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 16:11:16,399 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 16:11:16,517 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d2d93d-eb8b-4c18-afaf-e7a8815cc652/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 16:11:16,517 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d2d93d-eb8b-4c18-afaf-e7a8815cc652/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 16:11:16,517 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:11:16,519 INFO L158 Benchmark]: Toolchain (without parser) took 21716.67ms. Allocated memory was 142.6MB in the beginning and 629.1MB in the end (delta: 486.5MB). Free memory was 119.1MB in the beginning and 365.9MB in the end (delta: -246.8MB). Peak memory consumption was 237.7MB. Max. memory is 16.1GB. [2024-11-13 16:11:16,519 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:11:16,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.84ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 105.4MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:11:16,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.87ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 102.4MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:11:16,521 INFO L158 Benchmark]: Boogie Preprocessor took 65.14ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 99.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:11:16,521 INFO L158 Benchmark]: RCFGBuilder took 1340.00ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 63.0MB in the end (delta: 36.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 16:11:16,522 INFO L158 Benchmark]: TraceAbstraction took 19640.32ms. Allocated memory was 142.6MB in the beginning and 629.1MB in the end (delta: 486.5MB). Free memory was 62.4MB in the beginning and 370.2MB in the end (delta: -307.8MB). Peak memory consumption was 179.0MB. Max. memory is 16.1GB. [2024-11-13 16:11:16,523 INFO L158 Benchmark]: Witness Printer took 128.96ms. Allocated memory is still 629.1MB. Free memory was 370.2MB in the beginning and 365.9MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:11:16,524 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.84ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 105.4MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.87ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 102.4MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.14ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 99.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1340.00ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 63.0MB in the end (delta: 36.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 19640.32ms. Allocated memory was 142.6MB in the beginning and 629.1MB in the end (delta: 486.5MB). Free memory was 62.4MB in the beginning and 370.2MB in the end (delta: -307.8MB). Peak memory consumption was 179.0MB. Max. memory is 16.1GB. * Witness Printer took 128.96ms. Allocated memory is still 629.1MB. Free memory was 370.2MB in the beginning and 365.9MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: 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: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: 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: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: 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: 67]: 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: 67]: 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: 69]: 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: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: 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, 881 locations, 132 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: 19.3s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3141 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1198 mSDsluCounter, 519 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 105 mSDsCounter, 398 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3398 IncrementalHoareTripleChecker+Invalid, 3796 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 398 mSolverCounterUnsat, 414 mSDtfsCounter, 3398 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1139occurred in iteration=15, InterpolantAutomatonStates: 81, 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, 3.2s InterpolantComputationTime, 2225 NumberOfCodeBlocks, 2225 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2203 ConstructedInterpolants, 0 QuantifiedInterpolants, 3062 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 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 69 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 16:11:16,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d2d93d-eb8b-4c18-afaf-e7a8815cc652/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