./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8ffb6ed4cf93a465c15dff37fbdc82f2f1bfe68c16d8d908373acd9cd0f46e43 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:50:41,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:50:41,847 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:50:41,851 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:50:41,852 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:50:41,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:50:41,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:50:41,882 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:50:41,883 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:50:41,884 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:50:41,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:50:41,885 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:50:41,886 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:50:41,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:50:41,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:50:41,887 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:50:41,887 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:50:41,888 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:50:41,888 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:50:41,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:50:41,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:50:41,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:50:41,896 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:50:41,896 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:50:41,896 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:50:41,896 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:50:41,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:50:41,897 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:50:41,897 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:50:41,897 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:50:41,898 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:50:41,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:50:41,898 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:50:41,898 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:50:41,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:50:41,899 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:50:41,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:50:41,903 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:50:41,903 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:50:41,903 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:50:41,904 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:50:41,904 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ffb6ed4cf93a465c15dff37fbdc82f2f1bfe68c16d8d908373acd9cd0f46e43 [2024-11-22 17:50:42,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:50:42,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:50:42,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:50:42,176 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:50:42,177 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:50:42,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i [2024-11-22 17:50:43,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:50:43,960 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:50:43,962 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_20-arrayloop2_rc.i [2024-11-22 17:50:43,989 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/404ec6f7b/a422eec9c51a4a42abafeeb0b73c6884/FLAG610d6f9c5 [2024-11-22 17:50:44,004 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/404ec6f7b/a422eec9c51a4a42abafeeb0b73c6884 [2024-11-22 17:50:44,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:50:44,007 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:50:44,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:50:44,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:50:44,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:50:44,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:50:44" (1/1) ... [2024-11-22 17:50:44,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b5a8d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:44, skipping insertion in model container [2024-11-22 17:50:44,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:50:44" (1/1) ... [2024-11-22 17:50:44,064 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:50:44,526 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-22 17:50:44,527 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-22 17:50:44,529 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-22 17:50:44,530 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-22 17:50:44,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:50:44,615 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:50:44,670 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-22 17:50:44,672 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-22 17:50:44,673 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-22 17:50:44,674 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-22 17:50:44,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:50:44,769 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:50:44,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:44 WrapperNode [2024-11-22 17:50:44,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:50:44,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:50:44,772 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:50:44,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:50:44,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:44" (1/1) ... [2024-11-22 17:50:44,815 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:44" (1/1) ... [2024-11-22 17:50:44,916 INFO L138 Inliner]: procedures = 274, calls = 102, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 337 [2024-11-22 17:50:44,917 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:50:44,918 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:50:44,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:50:44,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:50:44,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:44" (1/1) ... [2024-11-22 17:50:44,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:44" (1/1) ... [2024-11-22 17:50:44,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:44" (1/1) ... [2024-11-22 17:50:44,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:44" (1/1) ... [2024-11-22 17:50:44,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:44" (1/1) ... [2024-11-22 17:50:44,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:44" (1/1) ... [2024-11-22 17:50:44,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:44" (1/1) ... [2024-11-22 17:50:44,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:44" (1/1) ... [2024-11-22 17:50:44,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:50:44,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:50:44,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:50:44,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:50:44,984 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:44" (1/1) ... [2024-11-22 17:50:44,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:50:45,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:50:45,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 17:50:45,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 17:50:45,083 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-22 17:50:45,083 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-22 17:50:45,083 INFO L130 BoogieDeclarations]: Found specification of procedure g [2024-11-22 17:50:45,084 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2024-11-22 17:50:45,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-22 17:50:45,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-22 17:50:45,085 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-22 17:50:45,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-22 17:50:45,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-22 17:50:45,085 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-22 17:50:45,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 17:50:45,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:50:45,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-22 17:50:45,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:50:45,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:50:45,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:50:45,087 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:50:45,245 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:50:45,247 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:50:45,859 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:50:45,859 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:50:45,898 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:50:45,898 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-22 17:50:45,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:50:45 BoogieIcfgContainer [2024-11-22 17:50:45,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:50:45,901 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:50:45,902 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:50:45,905 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:50:45,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:50:44" (1/3) ... [2024-11-22 17:50:45,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd4b3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:50:45, skipping insertion in model container [2024-11-22 17:50:45,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:44" (2/3) ... [2024-11-22 17:50:45,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd4b3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:50:45, skipping insertion in model container [2024-11-22 17:50:45,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:50:45" (3/3) ... [2024-11-22 17:50:45,907 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_20-arrayloop2_rc.i [2024-11-22 17:50:45,920 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:50:45,920 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-22 17:50:45,920 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:50:46,012 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-22 17:50:46,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 363 places, 370 transitions, 748 flow [2024-11-22 17:50:46,227 INFO L124 PetriNetUnfolderBase]: 14/368 cut-off events. [2024-11-22 17:50:46,227 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:50:46,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 375 conditions, 368 events. 14/368 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 586 event pairs, 0 based on Foata normal form. 0/336 useless extension candidates. Maximal degree in co-relation 293. Up to 2 conditions per place. [2024-11-22 17:50:46,236 INFO L82 GeneralOperation]: Start removeDead. Operand has 363 places, 370 transitions, 748 flow [2024-11-22 17:50:46,248 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 361 places, 368 transitions, 742 flow [2024-11-22 17:50:46,262 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:50:46,272 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;@3099cc06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:50:46,273 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-22 17:50:46,302 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:50:46,304 INFO L124 PetriNetUnfolderBase]: 1/104 cut-off events. [2024-11-22 17:50:46,304 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:50:46,304 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:46,306 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] [2024-11-22 17:50:46,306 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:50:46,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:46,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1805098074, now seen corresponding path program 1 times [2024-11-22 17:50:46,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:46,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040652497] [2024-11-22 17:50:46,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:46,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:47,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:47,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:47,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040652497] [2024-11-22 17:50:47,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040652497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:47,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:47,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:47,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244597678] [2024-11-22 17:50:47,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:47,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:47,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:47,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:47,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:47,834 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 370 [2024-11-22 17:50:47,842 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 368 transitions, 742 flow. Second operand has 6 states, 6 states have (on average 279.3333333333333) internal successors, (1676), 6 states have internal predecessors, (1676), 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) [2024-11-22 17:50:47,843 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:47,843 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 370 [2024-11-22 17:50:47,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:48,392 INFO L124 PetriNetUnfolderBase]: 449/1836 cut-off events. [2024-11-22 17:50:48,393 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-22 17:50:48,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2735 conditions, 1836 events. 449/1836 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 11573 event pairs, 342 based on Foata normal form. 152/1781 useless extension candidates. Maximal degree in co-relation 2472. Up to 846 conditions per place. [2024-11-22 17:50:48,411 INFO L140 encePairwiseOnDemand]: 350/370 looper letters, 72 selfloop transitions, 10 changer transitions 0/358 dead transitions. [2024-11-22 17:50:48,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 358 transitions, 886 flow [2024-11-22 17:50:48,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:48,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:48,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1760 transitions. [2024-11-22 17:50:48,437 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7927927927927928 [2024-11-22 17:50:48,441 INFO L175 Difference]: Start difference. First operand has 361 places, 368 transitions, 742 flow. Second operand 6 states and 1760 transitions. [2024-11-22 17:50:48,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 358 transitions, 886 flow [2024-11-22 17:50:48,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 358 transitions, 884 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:50:48,454 INFO L231 Difference]: Finished difference. Result has 362 places, 358 transitions, 740 flow [2024-11-22 17:50:48,457 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=740, PETRI_PLACES=362, PETRI_TRANSITIONS=358} [2024-11-22 17:50:48,461 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, 1 predicate places. [2024-11-22 17:50:48,462 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 358 transitions, 740 flow [2024-11-22 17:50:48,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 279.3333333333333) internal successors, (1676), 6 states have internal predecessors, (1676), 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) [2024-11-22 17:50:48,463 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:48,464 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] [2024-11-22 17:50:48,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:50:48,464 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:50:48,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:48,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1274191106, now seen corresponding path program 1 times [2024-11-22 17:50:48,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:48,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939584967] [2024-11-22 17:50:48,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:48,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:49,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:49,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:49,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939584967] [2024-11-22 17:50:49,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939584967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:49,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:49,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:49,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689916740] [2024-11-22 17:50:49,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:49,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:49,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:49,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:49,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:49,582 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 370 [2024-11-22 17:50:49,585 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 358 transitions, 740 flow. Second operand has 6 states, 6 states have (on average 279.3333333333333) internal successors, (1676), 6 states have internal predecessors, (1676), 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) [2024-11-22 17:50:49,585 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:49,585 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 370 [2024-11-22 17:50:49,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:49,949 INFO L124 PetriNetUnfolderBase]: 449/1834 cut-off events. [2024-11-22 17:50:49,949 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:50:49,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2742 conditions, 1834 events. 449/1834 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 11473 event pairs, 342 based on Foata normal form. 0/1629 useless extension candidates. Maximal degree in co-relation 2568. Up to 846 conditions per place. [2024-11-22 17:50:49,964 INFO L140 encePairwiseOnDemand]: 358/370 looper letters, 72 selfloop transitions, 10 changer transitions 0/356 dead transitions. [2024-11-22 17:50:49,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 356 transitions, 900 flow [2024-11-22 17:50:49,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:49,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:49,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1752 transitions. [2024-11-22 17:50:49,970 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7891891891891892 [2024-11-22 17:50:49,970 INFO L175 Difference]: Start difference. First operand has 362 places, 358 transitions, 740 flow. Second operand 6 states and 1752 transitions. [2024-11-22 17:50:49,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 356 transitions, 900 flow [2024-11-22 17:50:49,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 356 transitions, 880 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:49,980 INFO L231 Difference]: Finished difference. Result has 360 places, 356 transitions, 736 flow [2024-11-22 17:50:49,982 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=736, PETRI_PLACES=360, PETRI_TRANSITIONS=356} [2024-11-22 17:50:49,983 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, -1 predicate places. [2024-11-22 17:50:49,983 INFO L471 AbstractCegarLoop]: Abstraction has has 360 places, 356 transitions, 736 flow [2024-11-22 17:50:49,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 279.3333333333333) internal successors, (1676), 6 states have internal predecessors, (1676), 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) [2024-11-22 17:50:49,985 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:49,985 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] [2024-11-22 17:50:49,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:50:49,985 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:50:49,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:49,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1051613892, now seen corresponding path program 1 times [2024-11-22 17:50:49,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:49,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480589129] [2024-11-22 17:50:49,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:49,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:50,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:50,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:50,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480589129] [2024-11-22 17:50:50,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480589129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:50,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:50,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 17:50:50,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540648176] [2024-11-22 17:50:50,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:50,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:50:50,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:50,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:50:50,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:50:50,121 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 370 [2024-11-22 17:50:50,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 356 transitions, 736 flow. Second operand has 3 states, 3 states have (on average 352.0) internal successors, (1056), 3 states have internal predecessors, (1056), 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) [2024-11-22 17:50:50,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:50,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 370 [2024-11-22 17:50:50,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:50,234 INFO L124 PetriNetUnfolderBase]: 29/658 cut-off events. [2024-11-22 17:50:50,234 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:50:50,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 734 conditions, 658 events. 29/658 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2416 event pairs, 18 based on Foata normal form. 1/607 useless extension candidates. Maximal degree in co-relation 433. Up to 45 conditions per place. [2024-11-22 17:50:50,238 INFO L140 encePairwiseOnDemand]: 367/370 looper letters, 11 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2024-11-22 17:50:50,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 357 transitions, 764 flow [2024-11-22 17:50:50,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:50:50,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:50:50,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1064 transitions. [2024-11-22 17:50:50,242 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9585585585585585 [2024-11-22 17:50:50,242 INFO L175 Difference]: Start difference. First operand has 360 places, 356 transitions, 736 flow. Second operand 3 states and 1064 transitions. [2024-11-22 17:50:50,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 357 transitions, 764 flow [2024-11-22 17:50:50,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 357 transitions, 744 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:50,249 INFO L231 Difference]: Finished difference. Result has 358 places, 357 transitions, 728 flow [2024-11-22 17:50:50,250 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=728, PETRI_PLACES=358, PETRI_TRANSITIONS=357} [2024-11-22 17:50:50,252 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, -3 predicate places. [2024-11-22 17:50:50,252 INFO L471 AbstractCegarLoop]: Abstraction has has 358 places, 357 transitions, 728 flow [2024-11-22 17:50:50,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 352.0) internal successors, (1056), 3 states have internal predecessors, (1056), 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) [2024-11-22 17:50:50,253 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:50,253 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] [2024-11-22 17:50:50,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:50:50,253 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:50:50,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:50,255 INFO L85 PathProgramCache]: Analyzing trace with hash 635740603, now seen corresponding path program 1 times [2024-11-22 17:50:50,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:50,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985106375] [2024-11-22 17:50:50,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:50,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:50,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:50,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:50,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985106375] [2024-11-22 17:50:50,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985106375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:50,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:50,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:50,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243547407] [2024-11-22 17:50:50,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:50,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:50,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:50,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:50,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:51,192 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 370 [2024-11-22 17:50:51,195 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 357 transitions, 728 flow. Second operand has 6 states, 6 states have (on average 279.6666666666667) internal successors, (1678), 6 states have internal predecessors, (1678), 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) [2024-11-22 17:50:51,195 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:51,195 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 370 [2024-11-22 17:50:51,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:51,473 INFO L124 PetriNetUnfolderBase]: 450/1956 cut-off events. [2024-11-22 17:50:51,473 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:50:51,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2908 conditions, 1956 events. 450/1956 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 12240 event pairs, 342 based on Foata normal form. 0/1747 useless extension candidates. Maximal degree in co-relation 2653. Up to 894 conditions per place. [2024-11-22 17:50:51,487 INFO L140 encePairwiseOnDemand]: 364/370 looper letters, 79 selfloop transitions, 5 changer transitions 0/356 dead transitions. [2024-11-22 17:50:51,488 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 356 transitions, 894 flow [2024-11-22 17:50:51,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:51,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:51,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1747 transitions. [2024-11-22 17:50:51,492 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7869369369369369 [2024-11-22 17:50:51,492 INFO L175 Difference]: Start difference. First operand has 358 places, 357 transitions, 728 flow. Second operand 6 states and 1747 transitions. [2024-11-22 17:50:51,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 356 transitions, 894 flow [2024-11-22 17:50:51,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 356 transitions, 892 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:50:51,500 INFO L231 Difference]: Finished difference. Result has 361 places, 356 transitions, 734 flow [2024-11-22 17:50:51,501 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=734, PETRI_PLACES=361, PETRI_TRANSITIONS=356} [2024-11-22 17:50:51,502 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, 0 predicate places. [2024-11-22 17:50:51,503 INFO L471 AbstractCegarLoop]: Abstraction has has 361 places, 356 transitions, 734 flow [2024-11-22 17:50:51,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 279.6666666666667) internal successors, (1678), 6 states have internal predecessors, (1678), 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) [2024-11-22 17:50:51,504 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:51,504 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] [2024-11-22 17:50:51,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:50:51,505 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:50:51,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:51,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1825110203, now seen corresponding path program 1 times [2024-11-22 17:50:51,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:51,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401569098] [2024-11-22 17:50:51,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:51,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:51,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:51,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:51,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401569098] [2024-11-22 17:50:51,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401569098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:51,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:51,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 17:50:51,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51663303] [2024-11-22 17:50:51,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:51,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:50:51,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:51,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:50:51,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:50:51,607 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 370 [2024-11-22 17:50:51,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 356 transitions, 734 flow. Second operand has 3 states, 3 states have (on average 352.0) internal successors, (1056), 3 states have internal predecessors, (1056), 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) [2024-11-22 17:50:51,609 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:51,609 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 370 [2024-11-22 17:50:51,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:51,721 INFO L124 PetriNetUnfolderBase]: 29/844 cut-off events. [2024-11-22 17:50:51,722 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:50:51,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 930 conditions, 844 events. 29/844 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2397 event pairs, 18 based on Foata normal form. 2/788 useless extension candidates. Maximal degree in co-relation 511. Up to 49 conditions per place. [2024-11-22 17:50:51,728 INFO L140 encePairwiseOnDemand]: 367/370 looper letters, 11 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2024-11-22 17:50:51,728 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 357 transitions, 762 flow [2024-11-22 17:50:51,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:50:51,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:50:51,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1064 transitions. [2024-11-22 17:50:51,731 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9585585585585585 [2024-11-22 17:50:51,731 INFO L175 Difference]: Start difference. First operand has 361 places, 356 transitions, 734 flow. Second operand 3 states and 1064 transitions. [2024-11-22 17:50:51,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 357 transitions, 762 flow [2024-11-22 17:50:51,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 357 transitions, 752 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:51,737 INFO L231 Difference]: Finished difference. Result has 359 places, 357 transitions, 736 flow [2024-11-22 17:50:51,737 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=736, PETRI_PLACES=359, PETRI_TRANSITIONS=357} [2024-11-22 17:50:51,738 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, -2 predicate places. [2024-11-22 17:50:51,738 INFO L471 AbstractCegarLoop]: Abstraction has has 359 places, 357 transitions, 736 flow [2024-11-22 17:50:51,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 352.0) internal successors, (1056), 3 states have internal predecessors, (1056), 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) [2024-11-22 17:50:51,743 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:51,743 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] [2024-11-22 17:50:51,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:50:51,743 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:50:51,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:51,744 INFO L85 PathProgramCache]: Analyzing trace with hash -73634945, now seen corresponding path program 1 times [2024-11-22 17:50:51,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:51,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854639882] [2024-11-22 17:50:51,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:51,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:52,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:52,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:52,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854639882] [2024-11-22 17:50:52,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854639882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:52,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:52,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:52,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628658444] [2024-11-22 17:50:52,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:52,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:52,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:52,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:52,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:52,739 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 370 [2024-11-22 17:50:52,742 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 357 transitions, 736 flow. Second operand has 6 states, 6 states have (on average 306.5) internal successors, (1839), 6 states have internal predecessors, (1839), 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) [2024-11-22 17:50:52,742 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:52,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 370 [2024-11-22 17:50:52,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:52,982 INFO L124 PetriNetUnfolderBase]: 75/1156 cut-off events. [2024-11-22 17:50:52,982 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-22 17:50:52,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1473 conditions, 1156 events. 75/1156 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 4602 event pairs, 42 based on Foata normal form. 0/1063 useless extension candidates. Maximal degree in co-relation 951. Up to 263 conditions per place. [2024-11-22 17:50:52,990 INFO L140 encePairwiseOnDemand]: 364/370 looper letters, 54 selfloop transitions, 5 changer transitions 0/356 dead transitions. [2024-11-22 17:50:52,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 356 transitions, 852 flow [2024-11-22 17:50:52,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:52,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:52,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1872 transitions. [2024-11-22 17:50:52,994 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8432432432432433 [2024-11-22 17:50:52,995 INFO L175 Difference]: Start difference. First operand has 359 places, 357 transitions, 736 flow. Second operand 6 states and 1872 transitions. [2024-11-22 17:50:52,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 356 transitions, 852 flow [2024-11-22 17:50:52,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 356 transitions, 850 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:50:53,001 INFO L231 Difference]: Finished difference. Result has 362 places, 356 transitions, 742 flow [2024-11-22 17:50:53,002 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=742, PETRI_PLACES=362, PETRI_TRANSITIONS=356} [2024-11-22 17:50:53,003 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, 1 predicate places. [2024-11-22 17:50:53,003 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 356 transitions, 742 flow [2024-11-22 17:50:53,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 306.5) internal successors, (1839), 6 states have internal predecessors, (1839), 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) [2024-11-22 17:50:53,004 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:53,004 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:53,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 17:50:53,005 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:50:53,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:53,005 INFO L85 PathProgramCache]: Analyzing trace with hash -43169005, now seen corresponding path program 1 times [2024-11-22 17:50:53,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:53,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116603356] [2024-11-22 17:50:53,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:53,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:53,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:53,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:53,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116603356] [2024-11-22 17:50:53,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116603356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:53,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:53,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:53,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558829504] [2024-11-22 17:50:53,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:53,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:53,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:53,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:53,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:53,817 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 370 [2024-11-22 17:50:53,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 356 transitions, 742 flow. Second operand has 6 states, 6 states have (on average 282.3333333333333) internal successors, (1694), 6 states have internal predecessors, (1694), 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) [2024-11-22 17:50:53,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:53,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 370 [2024-11-22 17:50:53,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:54,148 INFO L124 PetriNetUnfolderBase]: 450/2136 cut-off events. [2024-11-22 17:50:54,148 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:50:54,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3192 conditions, 2136 events. 450/2136 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 12214 event pairs, 342 based on Foata normal form. 0/1927 useless extension candidates. Maximal degree in co-relation 2696. Up to 960 conditions per place. [2024-11-22 17:50:54,166 INFO L140 encePairwiseOnDemand]: 364/370 looper letters, 79 selfloop transitions, 5 changer transitions 0/355 dead transitions. [2024-11-22 17:50:54,166 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 355 transitions, 908 flow [2024-11-22 17:50:54,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:54,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:54,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1747 transitions. [2024-11-22 17:50:54,170 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7869369369369369 [2024-11-22 17:50:54,170 INFO L175 Difference]: Start difference. First operand has 362 places, 356 transitions, 742 flow. Second operand 6 states and 1747 transitions. [2024-11-22 17:50:54,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 355 transitions, 908 flow [2024-11-22 17:50:54,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 355 transitions, 898 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:54,177 INFO L231 Difference]: Finished difference. Result has 361 places, 355 transitions, 740 flow [2024-11-22 17:50:54,177 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=740, PETRI_PLACES=361, PETRI_TRANSITIONS=355} [2024-11-22 17:50:54,178 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, 0 predicate places. [2024-11-22 17:50:54,178 INFO L471 AbstractCegarLoop]: Abstraction has has 361 places, 355 transitions, 740 flow [2024-11-22 17:50:54,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 282.3333333333333) internal successors, (1694), 6 states have internal predecessors, (1694), 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) [2024-11-22 17:50:54,180 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:54,180 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] [2024-11-22 17:50:54,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 17:50:54,180 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:50:54,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:54,181 INFO L85 PathProgramCache]: Analyzing trace with hash -884161271, now seen corresponding path program 1 times [2024-11-22 17:50:54,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:54,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488558146] [2024-11-22 17:50:54,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:54,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:54,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:54,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:54,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488558146] [2024-11-22 17:50:54,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488558146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:54,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:54,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:54,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77487568] [2024-11-22 17:50:54,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:54,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:54,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:54,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:54,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:55,118 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 370 [2024-11-22 17:50:55,120 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 355 transitions, 740 flow. Second operand has 6 states, 6 states have (on average 287.0) internal successors, (1722), 6 states have internal predecessors, (1722), 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) [2024-11-22 17:50:55,120 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:55,120 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 370 [2024-11-22 17:50:55,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:55,514 INFO L124 PetriNetUnfolderBase]: 450/2132 cut-off events. [2024-11-22 17:50:55,514 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:50:55,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3172 conditions, 2132 events. 450/2132 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 12202 event pairs, 342 based on Foata normal form. 0/1927 useless extension candidates. Maximal degree in co-relation 2712. Up to 944 conditions per place. [2024-11-22 17:50:55,530 INFO L140 encePairwiseOnDemand]: 364/370 looper letters, 75 selfloop transitions, 5 changer transitions 0/354 dead transitions. [2024-11-22 17:50:55,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 354 transitions, 898 flow [2024-11-22 17:50:55,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:55,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:55,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1767 transitions. [2024-11-22 17:50:55,535 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7959459459459459 [2024-11-22 17:50:55,537 INFO L175 Difference]: Start difference. First operand has 361 places, 355 transitions, 740 flow. Second operand 6 states and 1767 transitions. [2024-11-22 17:50:55,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 354 transitions, 898 flow [2024-11-22 17:50:55,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 354 transitions, 888 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:55,545 INFO L231 Difference]: Finished difference. Result has 360 places, 354 transitions, 738 flow [2024-11-22 17:50:55,545 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=728, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=738, PETRI_PLACES=360, PETRI_TRANSITIONS=354} [2024-11-22 17:50:55,546 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, -1 predicate places. [2024-11-22 17:50:55,548 INFO L471 AbstractCegarLoop]: Abstraction has has 360 places, 354 transitions, 738 flow [2024-11-22 17:50:55,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 287.0) internal successors, (1722), 6 states have internal predecessors, (1722), 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) [2024-11-22 17:50:55,561 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:55,562 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] [2024-11-22 17:50:55,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 17:50:55,562 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:50:55,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:55,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1199344447, now seen corresponding path program 1 times [2024-11-22 17:50:55,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:55,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369440616] [2024-11-22 17:50:55,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:55,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:56,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:56,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:56,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369440616] [2024-11-22 17:50:56,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369440616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:56,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:56,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:56,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728375381] [2024-11-22 17:50:56,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:56,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:56,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:56,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:56,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:56,467 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 370 [2024-11-22 17:50:56,469 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 354 transitions, 738 flow. Second operand has 6 states, 6 states have (on average 287.0) internal successors, (1722), 6 states have internal predecessors, (1722), 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) [2024-11-22 17:50:56,470 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:56,470 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 370 [2024-11-22 17:50:56,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:56,915 INFO L124 PetriNetUnfolderBase]: 450/2128 cut-off events. [2024-11-22 17:50:56,915 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:50:56,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3168 conditions, 2128 events. 450/2128 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 12185 event pairs, 342 based on Foata normal form. 0/1927 useless extension candidates. Maximal degree in co-relation 2727. Up to 944 conditions per place. [2024-11-22 17:50:56,926 INFO L140 encePairwiseOnDemand]: 364/370 looper letters, 75 selfloop transitions, 5 changer transitions 0/353 dead transitions. [2024-11-22 17:50:56,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 353 transitions, 896 flow [2024-11-22 17:50:56,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:56,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:56,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1767 transitions. [2024-11-22 17:50:56,930 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7959459459459459 [2024-11-22 17:50:56,931 INFO L175 Difference]: Start difference. First operand has 360 places, 354 transitions, 738 flow. Second operand 6 states and 1767 transitions. [2024-11-22 17:50:56,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 353 transitions, 896 flow [2024-11-22 17:50:56,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 353 transitions, 886 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:56,937 INFO L231 Difference]: Finished difference. Result has 359 places, 353 transitions, 736 flow [2024-11-22 17:50:56,937 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=736, PETRI_PLACES=359, PETRI_TRANSITIONS=353} [2024-11-22 17:50:56,938 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, -2 predicate places. [2024-11-22 17:50:56,938 INFO L471 AbstractCegarLoop]: Abstraction has has 359 places, 353 transitions, 736 flow [2024-11-22 17:50:56,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 287.0) internal successors, (1722), 6 states have internal predecessors, (1722), 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) [2024-11-22 17:50:56,940 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:56,940 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] [2024-11-22 17:50:56,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 17:50:56,940 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:50:56,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:56,941 INFO L85 PathProgramCache]: Analyzing trace with hash -150538058, now seen corresponding path program 1 times [2024-11-22 17:50:56,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:56,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242244579] [2024-11-22 17:50:56,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:56,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:57,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:57,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:57,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242244579] [2024-11-22 17:50:57,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242244579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:57,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:57,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:57,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616440529] [2024-11-22 17:50:57,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:57,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:57,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:57,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:57,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:57,913 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 370 [2024-11-22 17:50:57,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 353 transitions, 736 flow. Second operand has 6 states, 6 states have (on average 283.5) internal successors, (1701), 6 states have internal predecessors, (1701), 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) [2024-11-22 17:50:57,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:57,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 370 [2024-11-22 17:50:57,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:58,244 INFO L124 PetriNetUnfolderBase]: 450/2124 cut-off events. [2024-11-22 17:50:58,244 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:50:58,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3184 conditions, 2124 events. 450/2124 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 12251 event pairs, 342 based on Foata normal form. 0/1927 useless extension candidates. Maximal degree in co-relation 2740. Up to 964 conditions per place. [2024-11-22 17:50:58,259 INFO L140 encePairwiseOnDemand]: 364/370 looper letters, 80 selfloop transitions, 5 changer transitions 0/352 dead transitions. [2024-11-22 17:50:58,259 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 352 transitions, 904 flow [2024-11-22 17:50:58,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:58,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:58,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1742 transitions. [2024-11-22 17:50:58,265 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7846846846846847 [2024-11-22 17:50:58,266 INFO L175 Difference]: Start difference. First operand has 359 places, 353 transitions, 736 flow. Second operand 6 states and 1742 transitions. [2024-11-22 17:50:58,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 352 transitions, 904 flow [2024-11-22 17:50:58,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 352 transitions, 894 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:58,272 INFO L231 Difference]: Finished difference. Result has 358 places, 352 transitions, 734 flow [2024-11-22 17:50:58,273 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=734, PETRI_PLACES=358, PETRI_TRANSITIONS=352} [2024-11-22 17:50:58,273 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, -3 predicate places. [2024-11-22 17:50:58,274 INFO L471 AbstractCegarLoop]: Abstraction has has 358 places, 352 transitions, 734 flow [2024-11-22 17:50:58,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 283.5) internal successors, (1701), 6 states have internal predecessors, (1701), 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) [2024-11-22 17:50:58,275 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:58,275 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:58,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 17:50:58,276 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:50:58,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:58,276 INFO L85 PathProgramCache]: Analyzing trace with hash 870271974, now seen corresponding path program 1 times [2024-11-22 17:50:58,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:58,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615344310] [2024-11-22 17:50:58,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:58,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:58,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:58,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:58,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615344310] [2024-11-22 17:50:58,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615344310] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:50:58,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819158293] [2024-11-22 17:50:58,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:58,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:50:58,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:50:58,506 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 17:50:58,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 17:50:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:58,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 17:50:58,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:50:58,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:58,968 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:50:59,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:59,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819158293] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:50:59,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:50:59,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-22 17:50:59,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754279898] [2024-11-22 17:50:59,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:50:59,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 17:50:59,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:59,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 17:50:59,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-22 17:50:59,138 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 347 out of 370 [2024-11-22 17:50:59,141 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 352 transitions, 734 flow. Second operand has 10 states, 10 states have (on average 349.0) internal successors, (3490), 10 states have internal predecessors, (3490), 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) [2024-11-22 17:50:59,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:59,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 347 of 370 [2024-11-22 17:50:59,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:59,363 INFO L124 PetriNetUnfolderBase]: 29/1008 cut-off events. [2024-11-22 17:50:59,363 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-22 17:50:59,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1137 conditions, 1008 events. 29/1008 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1835 event pairs, 18 based on Foata normal form. 4/974 useless extension candidates. Maximal degree in co-relation 504. Up to 49 conditions per place. [2024-11-22 17:50:59,368 INFO L140 encePairwiseOnDemand]: 364/370 looper letters, 15 selfloop transitions, 9 changer transitions 0/360 dead transitions. [2024-11-22 17:50:59,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 360 transitions, 800 flow [2024-11-22 17:50:59,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 17:50:59,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-22 17:50:59,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3149 transitions. [2024-11-22 17:50:59,374 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9456456456456457 [2024-11-22 17:50:59,374 INFO L175 Difference]: Start difference. First operand has 358 places, 352 transitions, 734 flow. Second operand 9 states and 3149 transitions. [2024-11-22 17:50:59,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 360 transitions, 800 flow [2024-11-22 17:50:59,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 360 transitions, 790 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:59,379 INFO L231 Difference]: Finished difference. Result has 364 places, 358 transitions, 774 flow [2024-11-22 17:50:59,380 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=774, PETRI_PLACES=364, PETRI_TRANSITIONS=358} [2024-11-22 17:50:59,380 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, 3 predicate places. [2024-11-22 17:50:59,381 INFO L471 AbstractCegarLoop]: Abstraction has has 364 places, 358 transitions, 774 flow [2024-11-22 17:50:59,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 349.0) internal successors, (3490), 10 states have internal predecessors, (3490), 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) [2024-11-22 17:50:59,382 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:59,383 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:59,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 17:50:59,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-22 17:50:59,588 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:50:59,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:59,588 INFO L85 PathProgramCache]: Analyzing trace with hash 717867772, now seen corresponding path program 2 times [2024-11-22 17:50:59,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:59,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934007219] [2024-11-22 17:50:59,589 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:50:59,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:59,677 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:50:59,678 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:50:59,980 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-22 17:50:59,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:59,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934007219] [2024-11-22 17:50:59,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934007219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:59,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:59,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:59,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504418394] [2024-11-22 17:50:59,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:59,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:59,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:59,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:59,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:51:00,887 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 370 [2024-11-22 17:51:00,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 358 transitions, 774 flow. Second operand has 6 states, 6 states have (on average 310.5) internal successors, (1863), 6 states have internal predecessors, (1863), 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) [2024-11-22 17:51:00,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:51:00,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 370 [2024-11-22 17:51:00,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:51:01,281 INFO L124 PetriNetUnfolderBase]: 199/1909 cut-off events. [2024-11-22 17:51:01,281 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-22 17:51:01,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2527 conditions, 1909 events. 199/1909 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 8822 event pairs, 54 based on Foata normal form. 0/1767 useless extension candidates. Maximal degree in co-relation 1889. Up to 448 conditions per place. [2024-11-22 17:51:01,293 INFO L140 encePairwiseOnDemand]: 358/370 looper letters, 71 selfloop transitions, 23 changer transitions 0/393 dead transitions. [2024-11-22 17:51:01,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 393 transitions, 1040 flow [2024-11-22 17:51:01,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:51:01,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:51:01,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1913 transitions. [2024-11-22 17:51:01,298 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8617117117117117 [2024-11-22 17:51:01,298 INFO L175 Difference]: Start difference. First operand has 364 places, 358 transitions, 774 flow. Second operand 6 states and 1913 transitions. [2024-11-22 17:51:01,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 393 transitions, 1040 flow [2024-11-22 17:51:01,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 393 transitions, 1034 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-22 17:51:01,306 INFO L231 Difference]: Finished difference. Result has 373 places, 380 transitions, 926 flow [2024-11-22 17:51:01,307 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=768, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=926, PETRI_PLACES=373, PETRI_TRANSITIONS=380} [2024-11-22 17:51:01,308 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, 12 predicate places. [2024-11-22 17:51:01,308 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 380 transitions, 926 flow [2024-11-22 17:51:01,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.5) internal successors, (1863), 6 states have internal predecessors, (1863), 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) [2024-11-22 17:51:01,309 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:51:01,309 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:51:01,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 17:51:01,310 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting gErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:51:01,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:51:01,310 INFO L85 PathProgramCache]: Analyzing trace with hash 188047030, now seen corresponding path program 1 times [2024-11-22 17:51:01,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:51:01,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357082994] [2024-11-22 17:51:01,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:01,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:51:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:01,750 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-11-22 17:51:01,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:01,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357082994] [2024-11-22 17:51:01,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357082994] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:51:01,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77069822] [2024-11-22 17:51:01,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:01,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:51:01,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:51:01,754 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 17:51:01,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 17:51:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:02,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 1490 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 17:51:02,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:51:02,595 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:51:02,595 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:51:03,046 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:51:03,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77069822] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:51:03,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:51:03,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-11-22 17:51:03,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419956954] [2024-11-22 17:51:03,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:51:03,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-22 17:51:03,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:51:03,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-22 17:51:03,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-22 17:51:03,176 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 370 [2024-11-22 17:51:03,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 380 transitions, 926 flow. Second operand has 19 states, 19 states have (on average 343.6842105263158) internal successors, (6530), 19 states have internal predecessors, (6530), 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) [2024-11-22 17:51:03,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:51:03,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 370 [2024-11-22 17:51:03,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:51:05,002 INFO L124 PetriNetUnfolderBase]: 186/3447 cut-off events. [2024-11-22 17:51:05,003 INFO L125 PetriNetUnfolderBase]: For 134/138 co-relation queries the response was YES. [2024-11-22 17:51:05,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4171 conditions, 3447 events. 186/3447 cut-off events. For 134/138 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 9500 event pairs, 55 based on Foata normal form. 13/3291 useless extension candidates. Maximal degree in co-relation 2855. Up to 146 conditions per place. [2024-11-22 17:51:05,017 INFO L140 encePairwiseOnDemand]: 359/370 looper letters, 47 selfloop transitions, 68 changer transitions 0/466 dead transitions. [2024-11-22 17:51:05,017 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 466 transitions, 1566 flow [2024-11-22 17:51:05,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-22 17:51:05,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-11-22 17:51:05,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 21611 transitions. [2024-11-22 17:51:05,050 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9271128271128272 [2024-11-22 17:51:05,050 INFO L175 Difference]: Start difference. First operand has 373 places, 380 transitions, 926 flow. Second operand 63 states and 21611 transitions. [2024-11-22 17:51:05,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 435 places, 466 transitions, 1566 flow [2024-11-22 17:51:05,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 466 transitions, 1566 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:51:05,061 INFO L231 Difference]: Finished difference. Result has 451 places, 442 transitions, 1446 flow [2024-11-22 17:51:05,061 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=926, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=1446, PETRI_PLACES=451, PETRI_TRANSITIONS=442} [2024-11-22 17:51:05,062 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, 90 predicate places. [2024-11-22 17:51:05,062 INFO L471 AbstractCegarLoop]: Abstraction has has 451 places, 442 transitions, 1446 flow [2024-11-22 17:51:05,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 343.6842105263158) internal successors, (6530), 19 states have internal predecessors, (6530), 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) [2024-11-22 17:51:05,065 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:51:05,065 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:51:05,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 17:51:05,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-22 17:51:05,267 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting gErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:51:05,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:51:05,268 INFO L85 PathProgramCache]: Analyzing trace with hash 49559038, now seen corresponding path program 2 times [2024-11-22 17:51:05,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:51:05,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387011835] [2024-11-22 17:51:05,268 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:51:05,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:51:05,515 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:51:05,515 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:51:05,814 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2024-11-22 17:51:05,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:05,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387011835] [2024-11-22 17:51:05,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387011835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:51:05,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:51:05,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:51:05,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645908795] [2024-11-22 17:51:05,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:51:05,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:51:05,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:51:05,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:51:05,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:51:06,635 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 370 [2024-11-22 17:51:06,637 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 442 transitions, 1446 flow. Second operand has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 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) [2024-11-22 17:51:06,637 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:51:06,637 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 370 [2024-11-22 17:51:06,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:51:07,970 INFO L124 PetriNetUnfolderBase]: 311/4003 cut-off events. [2024-11-22 17:51:07,970 INFO L125 PetriNetUnfolderBase]: For 710/746 co-relation queries the response was YES. [2024-11-22 17:51:07,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5861 conditions, 4003 events. 311/4003 cut-off events. For 710/746 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 15608 event pairs, 61 based on Foata normal form. 8/3797 useless extension candidates. Maximal degree in co-relation 3813. Up to 1009 conditions per place. [2024-11-22 17:51:07,987 INFO L140 encePairwiseOnDemand]: 358/370 looper letters, 84 selfloop transitions, 31 changer transitions 0/481 dead transitions. [2024-11-22 17:51:07,987 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 481 transitions, 1796 flow [2024-11-22 17:51:07,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:51:07,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:51:07,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1909 transitions. [2024-11-22 17:51:07,991 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8599099099099099 [2024-11-22 17:51:07,991 INFO L175 Difference]: Start difference. First operand has 451 places, 442 transitions, 1446 flow. Second operand 6 states and 1909 transitions. [2024-11-22 17:51:07,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 481 transitions, 1796 flow [2024-11-22 17:51:08,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 481 transitions, 1720 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-11-22 17:51:08,006 INFO L231 Difference]: Finished difference. Result has 454 places, 472 transitions, 1628 flow [2024-11-22 17:51:08,007 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=1370, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1628, PETRI_PLACES=454, PETRI_TRANSITIONS=472} [2024-11-22 17:51:08,008 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, 93 predicate places. [2024-11-22 17:51:08,008 INFO L471 AbstractCegarLoop]: Abstraction has has 454 places, 472 transitions, 1628 flow [2024-11-22 17:51:08,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 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) [2024-11-22 17:51:08,009 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:51:08,010 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:51:08,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 17:51:08,010 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:51:08,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:51:08,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1047682573, now seen corresponding path program 1 times [2024-11-22 17:51:08,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:51:08,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157536955] [2024-11-22 17:51:08,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:08,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:51:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:10,847 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-22 17:51:10,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:10,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157536955] [2024-11-22 17:51:10,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157536955] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:51:10,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92699797] [2024-11-22 17:51:10,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:10,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:51:10,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:51:10,852 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 17:51:10,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 17:51:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:12,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 5657 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-22 17:51:12,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:51:12,862 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-22 17:51:12,862 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:51:13,721 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-22 17:51:13,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92699797] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:51:13,721 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:51:13,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-22 17:51:13,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477363437] [2024-11-22 17:51:13,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:51:13,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-22 17:51:13,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:51:13,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-22 17:51:13,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-22 17:51:13,767 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 347 out of 370 [2024-11-22 17:51:13,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 472 transitions, 1628 flow. Second operand has 34 states, 34 states have (on average 349.1764705882353) internal successors, (11872), 34 states have internal predecessors, (11872), 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) [2024-11-22 17:51:13,778 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:51:13,778 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 347 of 370 [2024-11-22 17:51:13,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:51:16,621 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([927] L1052-3-->L1057-2: Formula: (and (= (store |v_#pthreadsMutex_32| |v_~#c~0.base_107| (store (select |v_#pthreadsMutex_32| |v_~#c~0.base_107|) (+ |v_~#c~0.offset_107| 104 (* |v_gThread1of1ForFork0_~j~1#1_29| 24)) 0)) |v_#pthreadsMutex_31|) (= |v_gThread1of1ForFork0_#t~ret27#1_1| 0)) InVars {~#c~0.base=|v_~#c~0.base_107|, gThread1of1ForFork0_~j~1#1=|v_gThread1of1ForFork0_~j~1#1_29|, #pthreadsMutex=|v_#pthreadsMutex_32|, ~#c~0.offset=|v_~#c~0.offset_107|} OutVars{~#c~0.base=|v_~#c~0.base_107|, gThread1of1ForFork0_~j~1#1=|v_gThread1of1ForFork0_~j~1#1_29|, #pthreadsMutex=|v_#pthreadsMutex_31|, ~#c~0.offset=|v_~#c~0.offset_107|, gThread1of1ForFork0_#t~ret27#1=|v_gThread1of1ForFork0_#t~ret27#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, gThread1of1ForFork0_#t~ret27#1][408], [Black: 4362#(and (<= |ULTIMATE.start_main_~i~0#1| 1) (<= |ULTIMATE.start_main_~j~2#1| 3)), Black: 4380#(and (<= |ULTIMATE.start_main_~j~2#1| 29) (<= |ULTIMATE.start_main_~i~0#1| 1)), 1810#true, Black: 4342#(and (= 0 |ULTIMATE.start_main_#t~post31#1|) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 1812#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 1209#(< |ULTIMATE.start_main_~j~2#1| 30), Black: 4338#(and (<= |ULTIMATE.start_main_~j~2#1| 29) (= |ULTIMATE.start_main_~i~0#1| 0)), Black: 426#(<= |ULTIMATE.start_main_~j~2#1| 1), Black: 390#(= |ULTIMATE.start_main_~j~2#1| 0), Black: 4424#(and (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset| 1)) 0)), Black: 4423#(= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0), Black: 1801#(= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0), Black: 4425#(and (= (select (select |#race| |~#c~0.base|) (+ 2 (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset| 1)) 0)), Black: 4426#(and (= (select (select |#race| |~#c~0.base|) (+ 3 (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset| 1)) 0)), Black: 1804#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= 0 (select (select |#race| |~#c~0.base|) (+ 3 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))))), Black: 1802#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), Black: 1803#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), 1799#true, 96#L1057-2true, 362#true, 422#true, 364#true, Black: 1814#(<= |ULTIMATE.start_main_~i~0#1| 1), Black: 4374#(and (<= |ULTIMATE.start_main_~j~2#1| 28) (<= |ULTIMATE.start_main_~i~0#1| 1)), 255#ULTIMATE.startFINALtrue, 4432#true, Black: 3189#(< |ULTIMATE.start_main_~j~2#1| 29), Black: 4320#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~2#1| 3)), 11#L1037-2true, Black: 4326#(and (<= |ULTIMATE.start_main_~j~2#1| 27) (= |ULTIMATE.start_main_~i~0#1| 0)), Black: 3461#(< |ULTIMATE.start_main_~j~2#1| 28), Black: 3178#(< |ULTIMATE.start_main_~j~2#1| 30), Black: 4368#(and (<= |ULTIMATE.start_main_~j~2#1| 27) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 380#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 4332#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~2#1| 28)), Black: 2937#(<= |ULTIMATE.start_main_~j~2#1| 3), 4421#true]) [2024-11-22 17:51:16,621 INFO L294 olderBase$Statistics]: this new event has 2964 ancestors and is cut-off event [2024-11-22 17:51:16,621 INFO L297 olderBase$Statistics]: existing Event has 2937 ancestors and is cut-off event [2024-11-22 17:51:16,621 INFO L297 olderBase$Statistics]: existing Event has 2937 ancestors and is cut-off event [2024-11-22 17:51:16,621 INFO L297 olderBase$Statistics]: existing Event has 2937 ancestors and is cut-off event [2024-11-22 17:51:17,647 INFO L124 PetriNetUnfolderBase]: 340/6473 cut-off events. [2024-11-22 17:51:17,648 INFO L125 PetriNetUnfolderBase]: For 3596/3614 co-relation queries the response was YES. [2024-11-22 17:51:17,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8371 conditions, 6473 events. 340/6473 cut-off events. For 3596/3614 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 17974 event pairs, 100 based on Foata normal form. 30/6235 useless extension candidates. Maximal degree in co-relation 5721. Up to 259 conditions per place. [2024-11-22 17:51:17,671 INFO L140 encePairwiseOnDemand]: 364/370 looper letters, 47 selfloop transitions, 135 changer transitions 0/573 dead transitions. [2024-11-22 17:51:17,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 573 transitions, 2756 flow [2024-11-22 17:51:17,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-22 17:51:17,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-11-22 17:51:17,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 15695 transitions. [2024-11-22 17:51:17,686 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9426426426426426 [2024-11-22 17:51:17,687 INFO L175 Difference]: Start difference. First operand has 454 places, 472 transitions, 1628 flow. Second operand 45 states and 15695 transitions. [2024-11-22 17:51:17,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 573 transitions, 2756 flow [2024-11-22 17:51:17,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 498 places, 573 transitions, 2756 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:51:17,712 INFO L231 Difference]: Finished difference. Result has 507 places, 547 transitions, 2502 flow [2024-11-22 17:51:17,715 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=1628, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=2502, PETRI_PLACES=507, PETRI_TRANSITIONS=547} [2024-11-22 17:51:17,716 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, 146 predicate places. [2024-11-22 17:51:17,717 INFO L471 AbstractCegarLoop]: Abstraction has has 507 places, 547 transitions, 2502 flow [2024-11-22 17:51:17,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 349.1764705882353) internal successors, (11872), 34 states have internal predecessors, (11872), 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) [2024-11-22 17:51:17,724 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:51:17,725 INFO L204 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:51:17,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 17:51:17,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:51:17,926 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:51:17,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:51:17,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1064687859, now seen corresponding path program 2 times [2024-11-22 17:51:17,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:51:17,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818850458] [2024-11-22 17:51:17,928 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:51:17,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:51:18,457 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:51:18,457 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:51:18,822 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39241 trivial. 0 not checked. [2024-11-22 17:51:18,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:18,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818850458] [2024-11-22 17:51:18,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818850458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:51:18,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:51:18,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:51:18,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129084523] [2024-11-22 17:51:18,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:51:18,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:51:18,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:51:18,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:51:18,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:51:19,212 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 370 [2024-11-22 17:51:19,213 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 547 transitions, 2502 flow. Second operand has 6 states, 6 states have (on average 309.5) internal successors, (1857), 6 states have internal predecessors, (1857), 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) [2024-11-22 17:51:19,214 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:51:19,214 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 370 [2024-11-22 17:51:19,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:51:22,936 INFO L124 PetriNetUnfolderBase]: 451/6727 cut-off events. [2024-11-22 17:51:22,937 INFO L125 PetriNetUnfolderBase]: For 2444/2550 co-relation queries the response was YES. [2024-11-22 17:51:22,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10667 conditions, 6727 events. 451/6727 cut-off events. For 2444/2550 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 21185 event pairs, 87 based on Foata normal form. 34/6530 useless extension candidates. Maximal degree in co-relation 7262. Up to 1847 conditions per place. [2024-11-22 17:51:22,962 INFO L140 encePairwiseOnDemand]: 359/370 looper letters, 108 selfloop transitions, 55 changer transitions 0/608 dead transitions. [2024-11-22 17:51:22,962 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 608 transitions, 3154 flow [2024-11-22 17:51:22,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:51:22,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:51:22,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1906 transitions. [2024-11-22 17:51:22,965 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8585585585585586 [2024-11-22 17:51:22,965 INFO L175 Difference]: Start difference. First operand has 507 places, 547 transitions, 2502 flow. Second operand 6 states and 1906 transitions. [2024-11-22 17:51:22,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 608 transitions, 3154 flow [2024-11-22 17:51:22,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 608 transitions, 3046 flow, removed 0 selfloop flow, removed 18 redundant places. [2024-11-22 17:51:22,990 INFO L231 Difference]: Finished difference. Result has 499 places, 596 transitions, 2948 flow [2024-11-22 17:51:22,990 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=2394, PETRI_DIFFERENCE_MINUEND_PLACES=489, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=547, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=522, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2948, PETRI_PLACES=499, PETRI_TRANSITIONS=596} [2024-11-22 17:51:22,991 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, 138 predicate places. [2024-11-22 17:51:22,991 INFO L471 AbstractCegarLoop]: Abstraction has has 499 places, 596 transitions, 2948 flow [2024-11-22 17:51:22,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 309.5) internal successors, (1857), 6 states have internal predecessors, (1857), 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) [2024-11-22 17:51:22,992 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:51:22,993 INFO L204 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:51:22,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 17:51:22,994 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting gErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:51:22,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:51:22,994 INFO L85 PathProgramCache]: Analyzing trace with hash 843567111, now seen corresponding path program 1 times [2024-11-22 17:51:22,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:51:22,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062857181] [2024-11-22 17:51:22,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:22,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:51:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:32,325 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-22 17:51:32,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:32,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062857181] [2024-11-22 17:51:32,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062857181] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:51:32,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644936288] [2024-11-22 17:51:32,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:32,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:51:32,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:51:32,330 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 17:51:32,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 17:51:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:34,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 11563 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-22 17:51:35,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:51:36,315 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-22 17:51:36,316 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:51:38,318 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-22 17:51:38,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644936288] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:51:38,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:51:38,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-22 17:51:38,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759226517] [2024-11-22 17:51:38,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:51:38,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-22 17:51:38,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:51:38,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-22 17:51:38,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-22 17:51:38,419 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 347 out of 370 [2024-11-22 17:51:38,450 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 499 places, 596 transitions, 2948 flow. Second operand has 63 states, 63 states have (on average 349.14285714285717) internal successors, (21996), 63 states have internal predecessors, (21996), 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) [2024-11-22 17:51:38,451 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:51:38,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 347 of 370 [2024-11-22 17:51:38,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:51:46,092 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([927] L1052-3-->L1057-2: Formula: (and (= (store |v_#pthreadsMutex_32| |v_~#c~0.base_107| (store (select |v_#pthreadsMutex_32| |v_~#c~0.base_107|) (+ |v_~#c~0.offset_107| 104 (* |v_gThread1of1ForFork0_~j~1#1_29| 24)) 0)) |v_#pthreadsMutex_31|) (= |v_gThread1of1ForFork0_#t~ret27#1_1| 0)) InVars {~#c~0.base=|v_~#c~0.base_107|, gThread1of1ForFork0_~j~1#1=|v_gThread1of1ForFork0_~j~1#1_29|, #pthreadsMutex=|v_#pthreadsMutex_32|, ~#c~0.offset=|v_~#c~0.offset_107|} OutVars{~#c~0.base=|v_~#c~0.base_107|, gThread1of1ForFork0_~j~1#1=|v_gThread1of1ForFork0_~j~1#1_29|, #pthreadsMutex=|v_#pthreadsMutex_31|, ~#c~0.offset=|v_~#c~0.offset_107|, gThread1of1ForFork0_#t~ret27#1=|v_gThread1of1ForFork0_#t~ret27#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, gThread1of1ForFork0_#t~ret27#1][527], [1810#true, Black: 1209#(< |ULTIMATE.start_main_~j~2#1| 30), Black: 426#(<= |ULTIMATE.start_main_~j~2#1| 1), Black: 390#(= |ULTIMATE.start_main_~j~2#1| 0), Black: 1801#(= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0), Black: 1804#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= 0 (select (select |#race| |~#c~0.base|) (+ 3 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))))), Black: 1802#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), Black: 1803#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), 1799#true, 96#L1057-2true, 362#true, 364#true, Black: 1814#(<= |ULTIMATE.start_main_~i~0#1| 1), Black: 4374#(and (<= |ULTIMATE.start_main_~j~2#1| 28) (<= |ULTIMATE.start_main_~i~0#1| 1)), 4432#true, Black: 3189#(< |ULTIMATE.start_main_~j~2#1| 29), Black: 4320#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~2#1| 3)), Black: 4326#(and (<= |ULTIMATE.start_main_~j~2#1| 27) (= |ULTIMATE.start_main_~i~0#1| 0)), 11#L1037-2true, Black: 3461#(< |ULTIMATE.start_main_~j~2#1| 28), Black: 3178#(< |ULTIMATE.start_main_~j~2#1| 30), Black: 4368#(and (<= |ULTIMATE.start_main_~j~2#1| 27) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 4332#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~2#1| 28)), Black: 2937#(<= |ULTIMATE.start_main_~j~2#1| 3), 4421#true, Black: 4362#(and (<= |ULTIMATE.start_main_~i~0#1| 1) (<= |ULTIMATE.start_main_~j~2#1| 3)), Black: 4380#(and (<= |ULTIMATE.start_main_~j~2#1| 29) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 4342#(and (= 0 |ULTIMATE.start_main_#t~post31#1|) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 1812#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 4338#(and (<= |ULTIMATE.start_main_~j~2#1| 29) (= |ULTIMATE.start_main_~i~0#1| 0)), Black: 4424#(and (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset| 1)) 0)), Black: 4423#(= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0), Black: 10876#(< |ULTIMATE.start_main_~j~2#1| 29), Black: 4425#(and (= (select (select |#race| |~#c~0.base|) (+ 2 (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset| 1)) 0)), Black: 12236#(< |ULTIMATE.start_main_~j~2#1| 24), Black: 4426#(and (= (select (select |#race| |~#c~0.base|) (+ 3 (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |gThread1of1ForFork0_~j~1#1| 8) |~#c~0.offset| 1)) 0)), Black: 11148#(< |ULTIMATE.start_main_~j~2#1| 28), Black: 4448#(<= |ULTIMATE.start_main_~j~2#1| 7), Black: 11420#(< |ULTIMATE.start_main_~j~2#1| 27), Black: 11964#(< |ULTIMATE.start_main_~j~2#1| 25), Black: 10865#(< |ULTIMATE.start_main_~j~2#1| 30), Black: 11692#(< |ULTIMATE.start_main_~j~2#1| 26), Black: 13144#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0)), Black: 13143#(= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0), 13152#true, Black: 13145#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0)), Black: 13146#(and (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) |fThread1of1ForFork1_~pos~0#1.offset|) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 2)) 0) (= (select (select |#race| |fThread1of1ForFork1_~pos~0#1.base|) (+ |fThread1of1ForFork1_~pos~0#1.offset| 3)) 0)), 422#true, 13141#true, 255#ULTIMATE.startFINALtrue, Black: 380#(= |ULTIMATE.start_main_~i~0#1| 0)]) [2024-11-22 17:51:46,093 INFO L294 olderBase$Statistics]: this new event has 5664 ancestors and is cut-off event [2024-11-22 17:51:46,093 INFO L297 olderBase$Statistics]: existing Event has 5637 ancestors and is cut-off event [2024-11-22 17:51:46,093 INFO L297 olderBase$Statistics]: existing Event has 5637 ancestors and is cut-off event [2024-11-22 17:51:46,093 INFO L297 olderBase$Statistics]: existing Event has 5637 ancestors and is cut-off event [2024-11-22 17:51:49,291 INFO L124 PetriNetUnfolderBase]: 526/11255 cut-off events. [2024-11-22 17:51:49,291 INFO L125 PetriNetUnfolderBase]: For 15340/15458 co-relation queries the response was YES. [2024-11-22 17:51:49,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15502 conditions, 11255 events. 526/11255 cut-off events. For 15340/15458 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 24594 event pairs, 115 based on Foata normal form. 81/11005 useless extension candidates. Maximal degree in co-relation 12189. Up to 318 conditions per place. [2024-11-22 17:51:49,332 INFO L140 encePairwiseOnDemand]: 364/370 looper letters, 92 selfloop transitions, 270 changer transitions 0/802 dead transitions. [2024-11-22 17:51:49,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 588 places, 802 transitions, 5858 flow [2024-11-22 17:51:49,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-11-22 17:51:49,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2024-11-22 17:51:49,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 31377 transitions. [2024-11-22 17:51:49,352 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9422522522522523 [2024-11-22 17:51:49,352 INFO L175 Difference]: Start difference. First operand has 499 places, 596 transitions, 2948 flow. Second operand 90 states and 31377 transitions. [2024-11-22 17:51:49,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 588 places, 802 transitions, 5858 flow [2024-11-22 17:51:49,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 588 places, 802 transitions, 5858 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:51:49,393 INFO L231 Difference]: Finished difference. Result has 604 places, 734 transitions, 4940 flow [2024-11-22 17:51:49,393 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=370, PETRI_DIFFERENCE_MINUEND_FLOW=2948, PETRI_DIFFERENCE_MINUEND_PLACES=499, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=596, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=90, PETRI_FLOW=4940, PETRI_PLACES=604, PETRI_TRANSITIONS=734} [2024-11-22 17:51:49,394 INFO L277 CegarLoopForPetriNet]: 361 programPoint places, 243 predicate places. [2024-11-22 17:51:49,394 INFO L471 AbstractCegarLoop]: Abstraction has has 604 places, 734 transitions, 4940 flow [2024-11-22 17:51:49,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 349.14285714285717) internal successors, (21996), 63 states have internal predecessors, (21996), 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) [2024-11-22 17:51:49,400 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:51:49,401 INFO L204 CegarLoopForPetriNet]: trace histogram [60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:51:49,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 17:51:49,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-22 17:51:49,603 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting gErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-22 17:51:49,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:51:49,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1412998823, now seen corresponding path program 2 times [2024-11-22 17:51:49,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:51:49,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108616989] [2024-11-22 17:51:49,604 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:51:49,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:51:50,330 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:51:50,330 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:51:50,525 INFO L134 CoverageAnalysis]: Checked inductivity of 159451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159451 trivial. 0 not checked. [2024-11-22 17:51:50,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:50,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108616989] [2024-11-22 17:51:50,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108616989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:51:50,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:51:50,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:51:50,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812611748] [2024-11-22 17:51:50,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:51:50,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:51:50,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:51:50,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:51:50,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:51:50,968 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 370 [2024-11-22 17:51:50,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 604 places, 734 transitions, 4940 flow. Second operand has 6 states, 6 states have (on average 309.6666666666667) internal successors, (1858), 6 states have internal predecessors, (1858), 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) [2024-11-22 17:51:50,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:51:50,969 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 370 [2024-11-22 17:51:50,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand