./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/28-race_reach_93-evilcollapse_racefree.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 dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:55:47,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:55:47,731 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:55:47,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:55:47,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:55:47,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:55:47,771 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:55:47,772 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:55:47,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:55:47,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:55:47,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:55:47,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:55:47,776 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:55:47,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:55:47,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:55:47,780 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:55:47,781 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:55:47,781 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:55:47,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:55:47,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:55:47,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:55:47,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:55:47,782 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:55:47,783 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:55:47,783 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:55:47,783 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:55:47,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:55:47,784 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:55:47,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:55:47,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:55:47,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:55:47,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:55:47,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:55:47,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:55:47,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:55:47,788 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:55:47,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:55:47,789 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:55:47,789 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:55:47,789 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:55:47,790 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:55:47,791 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 [2024-11-19 05:55:48,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:55:48,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:55:48,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:55:48,108 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:55:48,109 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:55:48,110 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2024-11-19 05:55:49,645 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:55:49,909 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:55:49,909 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2024-11-19 05:55:49,939 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e1420d9b/22d17eb8f8134c57912820a09a8ce28f/FLAG8cefa1478 [2024-11-19 05:55:49,957 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e1420d9b/22d17eb8f8134c57912820a09a8ce28f [2024-11-19 05:55:49,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:55:49,960 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:55:49,963 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:55:49,963 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:55:49,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:55:49,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:55:49" (1/1) ... [2024-11-19 05:55:49,972 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a939308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:49, skipping insertion in model container [2024-11-19 05:55:49,972 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:55:49" (1/1) ... [2024-11-19 05:55:50,024 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:55:50,535 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 05:55:50,536 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 05:55:50,537 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 05:55:50,538 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 05:55:50,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:55:50,612 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:55:50,653 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 05:55:50,654 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 05:55:50,654 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 05:55:50,655 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-19 05:55:50,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:55:50,746 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:55:50,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:50 WrapperNode [2024-11-19 05:55:50,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:55:50,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:55:50,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:55:50,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:55:50,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:50" (1/1) ... [2024-11-19 05:55:50,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:50" (1/1) ... [2024-11-19 05:55:50,857 INFO L138 Inliner]: procedures = 281, calls = 126, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 435 [2024-11-19 05:55:50,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:55:50,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:55:50,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:55:50,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:55:50,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:50" (1/1) ... [2024-11-19 05:55:50,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:50" (1/1) ... [2024-11-19 05:55:50,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:50" (1/1) ... [2024-11-19 05:55:50,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:50" (1/1) ... [2024-11-19 05:55:50,930 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:50" (1/1) ... [2024-11-19 05:55:50,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:50" (1/1) ... [2024-11-19 05:55:50,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:50" (1/1) ... [2024-11-19 05:55:50,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:50" (1/1) ... [2024-11-19 05:55:50,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:55:50,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:55:50,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:55:50,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:55:50,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:50" (1/1) ... [2024-11-19 05:55:50,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:55:50,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:55:51,004 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) [2024-11-19 05:55:51,007 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 [2024-11-19 05:55:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 05:55:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-19 05:55:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 05:55:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-19 05:55:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-19 05:55:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 05:55:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 05:55:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-19 05:55:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 05:55:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:55:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-19 05:55:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-19 05:55:51,058 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-19 05:55:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:55:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:55:51,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:55:51,060 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:55:51,241 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:55:51,244 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:55:51,976 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:55:51,977 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:55:52,032 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:55:52,033 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-19 05:55:52,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:55:52 BoogieIcfgContainer [2024-11-19 05:55:52,033 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:55:52,035 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:55:52,035 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:55:52,041 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:55:52,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:55:49" (1/3) ... [2024-11-19 05:55:52,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cdbf687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:55:52, skipping insertion in model container [2024-11-19 05:55:52,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:55:50" (2/3) ... [2024-11-19 05:55:52,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cdbf687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:55:52, skipping insertion in model container [2024-11-19 05:55:52,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:55:52" (3/3) ... [2024-11-19 05:55:52,044 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_93-evilcollapse_racefree.i [2024-11-19 05:55:52,063 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:55:52,063 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-11-19 05:55:52,063 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:55:52,232 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-19 05:55:52,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 454 places, 479 transitions, 965 flow [2024-11-19 05:55:52,494 INFO L124 PetriNetUnfolderBase]: 30/511 cut-off events. [2024-11-19 05:55:52,494 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:55:52,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 516 conditions, 511 events. 30/511 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1152 event pairs, 0 based on Foata normal form. 0/455 useless extension candidates. Maximal degree in co-relation 326. Up to 4 conditions per place. [2024-11-19 05:55:52,503 INFO L82 GeneralOperation]: Start removeDead. Operand has 454 places, 479 transitions, 965 flow [2024-11-19 05:55:52,512 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 454 places, 479 transitions, 965 flow [2024-11-19 05:55:52,522 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:55:52,531 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;@7a2be5a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:55:52,531 INFO L334 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2024-11-19 05:55:52,559 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:55:52,560 INFO L124 PetriNetUnfolderBase]: 1/124 cut-off events. [2024-11-19 05:55:52,560 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:55:52,560 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:55:52,561 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:55:52,562 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-19 05:55:52,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:55:52,570 INFO L85 PathProgramCache]: Analyzing trace with hash 205471916, now seen corresponding path program 1 times [2024-11-19 05:55:52,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:55:52,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728053777] [2024-11-19 05:55:52,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:55:52,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:55:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:55:53,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:55:53,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:55:53,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728053777] [2024-11-19 05:55:53,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728053777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:55:53,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:55:53,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:55:53,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682923163] [2024-11-19 05:55:53,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:55:53,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:55:53,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:55:53,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:55:53,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:55:54,641 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2024-11-19 05:55:54,648 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 479 transitions, 965 flow. Second operand has 6 states, 6 states have (on average 358.3333333333333) internal successors, (2150), 6 states have internal predecessors, (2150), 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) [2024-11-19 05:55:54,648 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:55:54,649 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2024-11-19 05:55:54,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:55:55,150 INFO L124 PetriNetUnfolderBase]: 320/1671 cut-off events. [2024-11-19 05:55:55,150 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2024-11-19 05:55:55,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2369 conditions, 1671 events. 320/1671 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10096 event pairs, 288 based on Foata normal form. 184/1720 useless extension candidates. Maximal degree in co-relation 1972. Up to 682 conditions per place. [2024-11-19 05:55:55,171 INFO L140 encePairwiseOnDemand]: 446/479 looper letters, 88 selfloop transitions, 10 changer transitions 2/454 dead transitions. [2024-11-19 05:55:55,172 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 454 transitions, 1111 flow [2024-11-19 05:55:55,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:55:55,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:55:55,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2263 transitions. [2024-11-19 05:55:55,198 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7874043145441892 [2024-11-19 05:55:55,200 INFO L175 Difference]: Start difference. First operand has 454 places, 479 transitions, 965 flow. Second operand 6 states and 2263 transitions. [2024-11-19 05:55:55,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 454 transitions, 1111 flow [2024-11-19 05:55:55,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 454 transitions, 1111 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:55:55,219 INFO L231 Difference]: Finished difference. Result has 455 places, 452 transitions, 931 flow [2024-11-19 05:55:55,224 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=931, PETRI_PLACES=455, PETRI_TRANSITIONS=452} [2024-11-19 05:55:55,228 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, 1 predicate places. [2024-11-19 05:55:55,231 INFO L471 AbstractCegarLoop]: Abstraction has has 455 places, 452 transitions, 931 flow [2024-11-19 05:55:55,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 358.3333333333333) internal successors, (2150), 6 states have internal predecessors, (2150), 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) [2024-11-19 05:55:55,233 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:55:55,233 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] [2024-11-19 05:55:55,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:55:55,234 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-19 05:55:55,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:55:55,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1055037286, now seen corresponding path program 1 times [2024-11-19 05:55:55,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:55:55,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215420432] [2024-11-19 05:55:55,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:55:55,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:55:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:55:56,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:55:56,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:55:56,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215420432] [2024-11-19 05:55:56,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215420432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:55:56,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:55:56,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:55:56,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203744404] [2024-11-19 05:55:56,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:55:56,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:55:56,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:55:56,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:55:56,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:55:56,572 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2024-11-19 05:55:56,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 452 transitions, 931 flow. Second operand has 6 states, 6 states have (on average 358.3333333333333) internal successors, (2150), 6 states have internal predecessors, (2150), 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) [2024-11-19 05:55:56,575 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:55:56,575 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2024-11-19 05:55:56,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:55:56,943 INFO L124 PetriNetUnfolderBase]: 320/1667 cut-off events. [2024-11-19 05:55:56,943 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-19 05:55:56,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2376 conditions, 1667 events. 320/1667 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10081 event pairs, 288 based on Foata normal form. 0/1536 useless extension candidates. Maximal degree in co-relation 2201. Up to 682 conditions per place. [2024-11-19 05:55:56,951 INFO L140 encePairwiseOnDemand]: 467/479 looper letters, 88 selfloop transitions, 10 changer transitions 0/450 dead transitions. [2024-11-19 05:55:56,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 450 transitions, 1123 flow [2024-11-19 05:55:56,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:55:56,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:55:56,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2242 transitions. [2024-11-19 05:55:56,957 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7800974251913709 [2024-11-19 05:55:56,957 INFO L175 Difference]: Start difference. First operand has 455 places, 452 transitions, 931 flow. Second operand 6 states and 2242 transitions. [2024-11-19 05:55:56,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 450 transitions, 1123 flow [2024-11-19 05:55:56,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 450 transitions, 1103 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:55:56,966 INFO L231 Difference]: Finished difference. Result has 451 places, 450 transitions, 927 flow [2024-11-19 05:55:56,967 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=907, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=927, PETRI_PLACES=451, PETRI_TRANSITIONS=450} [2024-11-19 05:55:56,968 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, -3 predicate places. [2024-11-19 05:55:56,968 INFO L471 AbstractCegarLoop]: Abstraction has has 451 places, 450 transitions, 927 flow [2024-11-19 05:55:56,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 358.3333333333333) internal successors, (2150), 6 states have internal predecessors, (2150), 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) [2024-11-19 05:55:56,970 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:55:56,970 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] [2024-11-19 05:55:56,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:55:56,971 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-19 05:55:56,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:55:56,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1049064475, now seen corresponding path program 1 times [2024-11-19 05:55:56,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:55:56,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869846585] [2024-11-19 05:55:56,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:55:56,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:55:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:55:57,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:55:57,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:55:57,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869846585] [2024-11-19 05:55:57,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869846585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:55:57,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:55:57,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:55:57,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32291269] [2024-11-19 05:55:57,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:55:57,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:55:57,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:55:57,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:55:57,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:55:57,065 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 441 out of 479 [2024-11-19 05:55:57,067 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 450 transitions, 927 flow. Second operand has 3 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 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) [2024-11-19 05:55:57,067 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:55:57,067 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 441 of 479 [2024-11-19 05:55:57,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:55:57,155 INFO L124 PetriNetUnfolderBase]: 16/628 cut-off events. [2024-11-19 05:55:57,155 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-11-19 05:55:57,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 689 conditions, 628 events. 16/628 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1808 event pairs, 8 based on Foata normal form. 1/586 useless extension candidates. Maximal degree in co-relation 465. Up to 34 conditions per place. [2024-11-19 05:55:57,159 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 15 selfloop transitions, 2 changer transitions 0/451 dead transitions. [2024-11-19 05:55:57,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 451 transitions, 963 flow [2024-11-19 05:55:57,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:55:57,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:55:57,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1341 transitions. [2024-11-19 05:55:57,163 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9331941544885177 [2024-11-19 05:55:57,163 INFO L175 Difference]: Start difference. First operand has 451 places, 450 transitions, 927 flow. Second operand 3 states and 1341 transitions. [2024-11-19 05:55:57,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 451 transitions, 963 flow [2024-11-19 05:55:57,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 451 transitions, 943 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:55:57,174 INFO L231 Difference]: Finished difference. Result has 449 places, 451 transitions, 919 flow [2024-11-19 05:55:57,175 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=907, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=919, PETRI_PLACES=449, PETRI_TRANSITIONS=451} [2024-11-19 05:55:57,175 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, -5 predicate places. [2024-11-19 05:55:57,176 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 451 transitions, 919 flow [2024-11-19 05:55:57,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 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) [2024-11-19 05:55:57,177 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:55:57,177 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:55:57,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:55:57,178 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-19 05:55:57,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:55:57,178 INFO L85 PathProgramCache]: Analyzing trace with hash -2116549050, now seen corresponding path program 1 times [2024-11-19 05:55:57,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:55:57,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204839513] [2024-11-19 05:55:57,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:55:57,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:55:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:55:57,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:55:57,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:55:57,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204839513] [2024-11-19 05:55:57,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204839513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:55:57,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:55:57,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:55:57,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367988925] [2024-11-19 05:55:57,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:55:57,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:55:57,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:55:57,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:55:57,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:55:58,152 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 356 out of 479 [2024-11-19 05:55:58,155 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 451 transitions, 919 flow. Second operand has 6 states, 6 states have (on average 358.6666666666667) internal successors, (2152), 6 states have internal predecessors, (2152), 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) [2024-11-19 05:55:58,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:55:58,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 356 of 479 [2024-11-19 05:55:58,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:55:58,502 INFO L124 PetriNetUnfolderBase]: 321/1789 cut-off events. [2024-11-19 05:55:58,503 INFO L125 PetriNetUnfolderBase]: For 8/16 co-relation queries the response was YES. [2024-11-19 05:55:58,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2542 conditions, 1789 events. 321/1789 cut-off events. For 8/16 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10660 event pairs, 288 based on Foata normal form. 0/1654 useless extension candidates. Maximal degree in co-relation 2270. Up to 730 conditions per place. [2024-11-19 05:55:58,511 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 95 selfloop transitions, 5 changer transitions 0/450 dead transitions. [2024-11-19 05:55:58,512 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 450 transitions, 1117 flow [2024-11-19 05:55:58,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:55:58,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:55:58,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2237 transitions. [2024-11-19 05:55:58,517 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.778357689631176 [2024-11-19 05:55:58,517 INFO L175 Difference]: Start difference. First operand has 449 places, 451 transitions, 919 flow. Second operand 6 states and 2237 transitions. [2024-11-19 05:55:58,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 450 transitions, 1117 flow [2024-11-19 05:55:58,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 450 transitions, 1115 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:55:58,525 INFO L231 Difference]: Finished difference. Result has 452 places, 450 transitions, 925 flow [2024-11-19 05:55:58,526 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=925, PETRI_PLACES=452, PETRI_TRANSITIONS=450} [2024-11-19 05:55:58,527 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, -2 predicate places. [2024-11-19 05:55:58,527 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 450 transitions, 925 flow [2024-11-19 05:55:58,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 358.6666666666667) internal successors, (2152), 6 states have internal predecessors, (2152), 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) [2024-11-19 05:55:58,529 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:55:58,529 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] [2024-11-19 05:55:58,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:55:58,529 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-19 05:55:58,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:55:58,530 INFO L85 PathProgramCache]: Analyzing trace with hash 425982242, now seen corresponding path program 1 times [2024-11-19 05:55:58,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:55:58,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161573638] [2024-11-19 05:55:58,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:55:58,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:55:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:55:58,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:55:58,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:55:58,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161573638] [2024-11-19 05:55:58,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161573638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:55:58,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:55:58,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:55:58,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414289116] [2024-11-19 05:55:58,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:55:58,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:55:58,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:55:58,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:55:58,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:55:58,631 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 441 out of 479 [2024-11-19 05:55:58,633 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 450 transitions, 925 flow. Second operand has 3 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 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) [2024-11-19 05:55:58,633 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:55:58,634 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 441 of 479 [2024-11-19 05:55:58,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:55:58,745 INFO L124 PetriNetUnfolderBase]: 16/814 cut-off events. [2024-11-19 05:55:58,745 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-11-19 05:55:58,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 885 conditions, 814 events. 16/814 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1833 event pairs, 8 based on Foata normal form. 2/767 useless extension candidates. Maximal degree in co-relation 660. Up to 38 conditions per place. [2024-11-19 05:55:58,749 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 15 selfloop transitions, 2 changer transitions 0/451 dead transitions. [2024-11-19 05:55:58,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 451 transitions, 961 flow [2024-11-19 05:55:58,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:55:58,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:55:58,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1341 transitions. [2024-11-19 05:55:58,752 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9331941544885177 [2024-11-19 05:55:58,753 INFO L175 Difference]: Start difference. First operand has 452 places, 450 transitions, 925 flow. Second operand 3 states and 1341 transitions. [2024-11-19 05:55:58,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 451 transitions, 961 flow [2024-11-19 05:55:58,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 451 transitions, 951 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:55:58,761 INFO L231 Difference]: Finished difference. Result has 450 places, 451 transitions, 927 flow [2024-11-19 05:55:58,762 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=927, PETRI_PLACES=450, PETRI_TRANSITIONS=451} [2024-11-19 05:55:58,763 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, -4 predicate places. [2024-11-19 05:55:58,763 INFO L471 AbstractCegarLoop]: Abstraction has has 450 places, 451 transitions, 927 flow [2024-11-19 05:55:58,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 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) [2024-11-19 05:55:58,764 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:55:58,764 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] [2024-11-19 05:55:58,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 05:55:58,765 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-19 05:55:58,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:55:58,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1372198348, now seen corresponding path program 1 times [2024-11-19 05:55:58,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:55:58,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10766727] [2024-11-19 05:55:58,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:55:58,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:55:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:55:59,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:55:59,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:55:59,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10766727] [2024-11-19 05:55:59,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10766727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:55:59,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:55:59,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:55:59,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138988704] [2024-11-19 05:55:59,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:55:59,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:55:59,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:55:59,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:55:59,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:55:59,950 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 389 out of 479 [2024-11-19 05:55:59,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 451 transitions, 927 flow. Second operand has 6 states, 6 states have (on average 393.5) internal successors, (2361), 6 states have internal predecessors, (2361), 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) [2024-11-19 05:55:59,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:55:59,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 389 of 479 [2024-11-19 05:55:59,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:00,205 INFO L124 PetriNetUnfolderBase]: 84/1128 cut-off events. [2024-11-19 05:56:00,205 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2024-11-19 05:56:00,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1481 conditions, 1128 events. 84/1128 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3773 event pairs, 64 based on Foata normal form. 0/1042 useless extension candidates. Maximal degree in co-relation 942. Up to 311 conditions per place. [2024-11-19 05:56:00,212 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 62 selfloop transitions, 5 changer transitions 0/450 dead transitions. [2024-11-19 05:56:00,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 450 transitions, 1059 flow [2024-11-19 05:56:00,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:56:00,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:56:00,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2402 transitions. [2024-11-19 05:56:00,217 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8357689631176062 [2024-11-19 05:56:00,218 INFO L175 Difference]: Start difference. First operand has 450 places, 451 transitions, 927 flow. Second operand 6 states and 2402 transitions. [2024-11-19 05:56:00,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 450 transitions, 1059 flow [2024-11-19 05:56:00,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 450 transitions, 1057 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:56:00,227 INFO L231 Difference]: Finished difference. Result has 453 places, 450 transitions, 933 flow [2024-11-19 05:56:00,228 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=923, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=933, PETRI_PLACES=453, PETRI_TRANSITIONS=450} [2024-11-19 05:56:00,231 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, -1 predicate places. [2024-11-19 05:56:00,231 INFO L471 AbstractCegarLoop]: Abstraction has has 453 places, 450 transitions, 933 flow [2024-11-19 05:56:00,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 393.5) internal successors, (2361), 6 states have internal predecessors, (2361), 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) [2024-11-19 05:56:00,233 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:00,233 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] [2024-11-19 05:56:00,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:56:00,234 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-19 05:56:00,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:00,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1512535522, now seen corresponding path program 1 times [2024-11-19 05:56:00,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:00,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261843073] [2024-11-19 05:56:00,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:00,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:00,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:56:00,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:00,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261843073] [2024-11-19 05:56:00,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261843073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:00,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:00,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:56:00,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173745113] [2024-11-19 05:56:00,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:00,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:56:00,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:00,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:56:00,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:56:01,248 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 356 out of 479 [2024-11-19 05:56:01,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 450 transitions, 933 flow. Second operand has 6 states, 6 states have (on average 361.3333333333333) internal successors, (2168), 6 states have internal predecessors, (2168), 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) [2024-11-19 05:56:01,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:01,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 356 of 479 [2024-11-19 05:56:01,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:01,698 INFO L124 PetriNetUnfolderBase]: 321/1969 cut-off events. [2024-11-19 05:56:01,699 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-19 05:56:01,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2826 conditions, 1969 events. 321/1969 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10826 event pairs, 288 based on Foata normal form. 0/1834 useless extension candidates. Maximal degree in co-relation 2313. Up to 796 conditions per place. [2024-11-19 05:56:01,709 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 95 selfloop transitions, 5 changer transitions 0/449 dead transitions. [2024-11-19 05:56:01,709 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 449 transitions, 1131 flow [2024-11-19 05:56:01,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:56:01,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:56:01,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2237 transitions. [2024-11-19 05:56:01,714 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.778357689631176 [2024-11-19 05:56:01,714 INFO L175 Difference]: Start difference. First operand has 453 places, 450 transitions, 933 flow. Second operand 6 states and 2237 transitions. [2024-11-19 05:56:01,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 449 transitions, 1131 flow [2024-11-19 05:56:01,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 449 transitions, 1121 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:56:01,722 INFO L231 Difference]: Finished difference. Result has 452 places, 449 transitions, 931 flow [2024-11-19 05:56:01,723 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=921, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=931, PETRI_PLACES=452, PETRI_TRANSITIONS=449} [2024-11-19 05:56:01,724 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, -2 predicate places. [2024-11-19 05:56:01,724 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 449 transitions, 931 flow [2024-11-19 05:56:01,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 361.3333333333333) internal successors, (2168), 6 states have internal predecessors, (2168), 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) [2024-11-19 05:56:01,726 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:01,726 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] [2024-11-19 05:56:01,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 05:56:01,726 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-19 05:56:01,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:01,727 INFO L85 PathProgramCache]: Analyzing trace with hash 2016550217, now seen corresponding path program 1 times [2024-11-19 05:56:01,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:01,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799417720] [2024-11-19 05:56:01,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:01,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:02,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:56:02,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:02,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799417720] [2024-11-19 05:56:02,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799417720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:02,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:02,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:56:02,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031951609] [2024-11-19 05:56:02,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:02,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:56:02,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:02,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:56:02,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:56:02,852 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 360 out of 479 [2024-11-19 05:56:02,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 449 transitions, 931 flow. Second operand has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 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) [2024-11-19 05:56:02,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:02,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 360 of 479 [2024-11-19 05:56:02,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:03,148 INFO L124 PetriNetUnfolderBase]: 321/1965 cut-off events. [2024-11-19 05:56:03,148 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-19 05:56:03,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2806 conditions, 1965 events. 321/1965 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10787 event pairs, 288 based on Foata normal form. 0/1834 useless extension candidates. Maximal degree in co-relation 2329. Up to 780 conditions per place. [2024-11-19 05:56:03,156 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 91 selfloop transitions, 5 changer transitions 0/448 dead transitions. [2024-11-19 05:56:03,156 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 448 transitions, 1121 flow [2024-11-19 05:56:03,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:56:03,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:56:03,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2257 transitions. [2024-11-19 05:56:03,162 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7853166318719554 [2024-11-19 05:56:03,163 INFO L175 Difference]: Start difference. First operand has 452 places, 449 transitions, 931 flow. Second operand 6 states and 2257 transitions. [2024-11-19 05:56:03,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 448 transitions, 1121 flow [2024-11-19 05:56:03,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 448 transitions, 1111 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:56:03,178 INFO L231 Difference]: Finished difference. Result has 451 places, 448 transitions, 929 flow [2024-11-19 05:56:03,179 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=919, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=929, PETRI_PLACES=451, PETRI_TRANSITIONS=448} [2024-11-19 05:56:03,184 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, -3 predicate places. [2024-11-19 05:56:03,185 INFO L471 AbstractCegarLoop]: Abstraction has has 451 places, 448 transitions, 929 flow [2024-11-19 05:56:03,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 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) [2024-11-19 05:56:03,186 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:03,186 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:03,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 05:56:03,187 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-19 05:56:03,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:03,187 INFO L85 PathProgramCache]: Analyzing trace with hash 696083297, now seen corresponding path program 1 times [2024-11-19 05:56:03,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:03,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174745397] [2024-11-19 05:56:03,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:03,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:03,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:56:03,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:03,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174745397] [2024-11-19 05:56:03,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174745397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:03,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:03,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:56:03,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009730247] [2024-11-19 05:56:03,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:03,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:56:03,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:03,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:56:03,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:56:04,311 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 360 out of 479 [2024-11-19 05:56:04,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 448 transitions, 929 flow. Second operand has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 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) [2024-11-19 05:56:04,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:04,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 360 of 479 [2024-11-19 05:56:04,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:04,608 INFO L124 PetriNetUnfolderBase]: 321/1961 cut-off events. [2024-11-19 05:56:04,608 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-19 05:56:04,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2802 conditions, 1961 events. 321/1961 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10757 event pairs, 288 based on Foata normal form. 0/1834 useless extension candidates. Maximal degree in co-relation 2344. Up to 780 conditions per place. [2024-11-19 05:56:04,618 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 91 selfloop transitions, 5 changer transitions 0/447 dead transitions. [2024-11-19 05:56:04,619 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 447 transitions, 1119 flow [2024-11-19 05:56:04,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:56:04,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:56:04,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2257 transitions. [2024-11-19 05:56:04,624 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7853166318719554 [2024-11-19 05:56:04,624 INFO L175 Difference]: Start difference. First operand has 451 places, 448 transitions, 929 flow. Second operand 6 states and 2257 transitions. [2024-11-19 05:56:04,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 447 transitions, 1119 flow [2024-11-19 05:56:04,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 447 transitions, 1109 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:56:04,672 INFO L231 Difference]: Finished difference. Result has 450 places, 447 transitions, 927 flow [2024-11-19 05:56:04,673 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=917, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=927, PETRI_PLACES=450, PETRI_TRANSITIONS=447} [2024-11-19 05:56:04,674 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, -4 predicate places. [2024-11-19 05:56:04,675 INFO L471 AbstractCegarLoop]: Abstraction has has 450 places, 447 transitions, 927 flow [2024-11-19 05:56:04,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 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) [2024-11-19 05:56:04,676 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:04,677 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:04,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 05:56:04,677 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-19 05:56:04,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:04,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1664285141, now seen corresponding path program 1 times [2024-11-19 05:56:04,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:04,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755466034] [2024-11-19 05:56:04,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:04,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:05,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:56:05,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:05,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755466034] [2024-11-19 05:56:05,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755466034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:05,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:05,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:56:05,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524502513] [2024-11-19 05:56:05,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:05,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:56:05,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:05,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:56:05,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:56:05,788 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 355 out of 479 [2024-11-19 05:56:05,792 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 447 transitions, 927 flow. Second operand has 6 states, 6 states have (on average 362.5) internal successors, (2175), 6 states have internal predecessors, (2175), 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) [2024-11-19 05:56:05,792 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:05,792 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 355 of 479 [2024-11-19 05:56:05,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:06,206 INFO L124 PetriNetUnfolderBase]: 321/1957 cut-off events. [2024-11-19 05:56:06,207 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-19 05:56:06,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2818 conditions, 1957 events. 321/1957 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10739 event pairs, 288 based on Foata normal form. 0/1834 useless extension candidates. Maximal degree in co-relation 2357. Up to 800 conditions per place. [2024-11-19 05:56:06,217 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 96 selfloop transitions, 5 changer transitions 0/446 dead transitions. [2024-11-19 05:56:06,218 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 446 transitions, 1127 flow [2024-11-19 05:56:06,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:56:06,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:56:06,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2232 transitions. [2024-11-19 05:56:06,223 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7766179540709812 [2024-11-19 05:56:06,223 INFO L175 Difference]: Start difference. First operand has 450 places, 447 transitions, 927 flow. Second operand 6 states and 2232 transitions. [2024-11-19 05:56:06,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 446 transitions, 1127 flow [2024-11-19 05:56:06,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 446 transitions, 1117 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:56:06,231 INFO L231 Difference]: Finished difference. Result has 449 places, 446 transitions, 925 flow [2024-11-19 05:56:06,232 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=925, PETRI_PLACES=449, PETRI_TRANSITIONS=446} [2024-11-19 05:56:06,232 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, -5 predicate places. [2024-11-19 05:56:06,233 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 446 transitions, 925 flow [2024-11-19 05:56:06,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 362.5) internal successors, (2175), 6 states have internal predecessors, (2175), 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) [2024-11-19 05:56:06,234 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:06,234 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:06,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 05:56:06,235 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-19 05:56:06,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:06,235 INFO L85 PathProgramCache]: Analyzing trace with hash -125303635, now seen corresponding path program 1 times [2024-11-19 05:56:06,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:06,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254334557] [2024-11-19 05:56:06,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:06,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:06,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:56:06,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:06,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254334557] [2024-11-19 05:56:06,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254334557] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:56:06,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255118948] [2024-11-19 05:56:06,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:06,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:56:06,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:56:06,473 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) [2024-11-19 05:56:06,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 05:56:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:06,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 05:56:06,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:56:06,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:56:06,964 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:56:07,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:56:07,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255118948] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:56:07,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:56:07,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-19 05:56:07,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836912583] [2024-11-19 05:56:07,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:56:07,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 05:56:07,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:07,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 05:56:07,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 05:56:07,159 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 438 out of 479 [2024-11-19 05:56:07,163 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 446 transitions, 925 flow. Second operand has 10 states, 10 states have (on average 439.8) internal successors, (4398), 10 states have internal predecessors, (4398), 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) [2024-11-19 05:56:07,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:07,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 438 of 479 [2024-11-19 05:56:07,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:07,404 INFO L124 PetriNetUnfolderBase]: 16/978 cut-off events. [2024-11-19 05:56:07,405 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-19 05:56:07,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1092 conditions, 978 events. 16/978 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1222 event pairs, 8 based on Foata normal form. 4/953 useless extension candidates. Maximal degree in co-relation 866. Up to 38 conditions per place. [2024-11-19 05:56:07,408 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 19 selfloop transitions, 9 changer transitions 0/454 dead transitions. [2024-11-19 05:56:07,408 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 454 transitions, 999 flow [2024-11-19 05:56:07,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 05:56:07,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-19 05:56:07,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3972 transitions. [2024-11-19 05:56:07,417 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9213639526791928 [2024-11-19 05:56:07,417 INFO L175 Difference]: Start difference. First operand has 449 places, 446 transitions, 925 flow. Second operand 9 states and 3972 transitions. [2024-11-19 05:56:07,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 454 transitions, 999 flow [2024-11-19 05:56:07,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 454 transitions, 989 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:56:07,426 INFO L231 Difference]: Finished difference. Result has 455 places, 452 transitions, 965 flow [2024-11-19 05:56:07,427 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=965, PETRI_PLACES=455, PETRI_TRANSITIONS=452} [2024-11-19 05:56:07,427 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, 1 predicate places. [2024-11-19 05:56:07,428 INFO L471 AbstractCegarLoop]: Abstraction has has 455 places, 452 transitions, 965 flow [2024-11-19 05:56:07,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 439.8) internal successors, (4398), 10 states have internal predecessors, (4398), 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) [2024-11-19 05:56:07,430 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:07,430 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, 1, 1, 1, 1, 1] [2024-11-19 05:56:07,452 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 05:56:07,631 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 [2024-11-19 05:56:07,632 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-19 05:56:07,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:07,633 INFO L85 PathProgramCache]: Analyzing trace with hash -138687357, now seen corresponding path program 2 times [2024-11-19 05:56:07,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:07,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604766021] [2024-11-19 05:56:07,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:56:07,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:07,716 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:56:07,720 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:56:08,051 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-19 05:56:08,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:08,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604766021] [2024-11-19 05:56:08,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604766021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:08,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:08,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:56:08,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859268465] [2024-11-19 05:56:08,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:08,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:56:08,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:08,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:56:08,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:56:08,938 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 389 out of 479 [2024-11-19 05:56:08,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 452 transitions, 965 flow. Second operand has 6 states, 6 states have (on average 396.3333333333333) internal successors, (2378), 6 states have internal predecessors, (2378), 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) [2024-11-19 05:56:08,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:08,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 389 of 479 [2024-11-19 05:56:08,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:09,289 INFO L124 PetriNetUnfolderBase]: 84/1295 cut-off events. [2024-11-19 05:56:09,289 INFO L125 PetriNetUnfolderBase]: For 14/18 co-relation queries the response was YES. [2024-11-19 05:56:09,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1719 conditions, 1295 events. 84/1295 cut-off events. For 14/18 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3107 event pairs, 64 based on Foata normal form. 0/1222 useless extension candidates. Maximal degree in co-relation 1064. Up to 355 conditions per place. [2024-11-19 05:56:09,295 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 62 selfloop transitions, 5 changer transitions 0/451 dead transitions. [2024-11-19 05:56:09,295 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 451 transitions, 1097 flow [2024-11-19 05:56:09,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:56:09,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:56:09,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2402 transitions. [2024-11-19 05:56:09,300 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8357689631176062 [2024-11-19 05:56:09,300 INFO L175 Difference]: Start difference. First operand has 455 places, 452 transitions, 965 flow. Second operand 6 states and 2402 transitions. [2024-11-19 05:56:09,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 451 transitions, 1097 flow [2024-11-19 05:56:09,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 458 places, 451 transitions, 1091 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-19 05:56:09,309 INFO L231 Difference]: Finished difference. Result has 458 places, 451 transitions, 967 flow [2024-11-19 05:56:09,310 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=957, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=967, PETRI_PLACES=458, PETRI_TRANSITIONS=451} [2024-11-19 05:56:09,312 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, 4 predicate places. [2024-11-19 05:56:09,312 INFO L471 AbstractCegarLoop]: Abstraction has has 458 places, 451 transitions, 967 flow [2024-11-19 05:56:09,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 396.3333333333333) internal successors, (2378), 6 states have internal predecessors, (2378), 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) [2024-11-19 05:56:09,313 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:09,313 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, 1, 1, 1, 1, 1] [2024-11-19 05:56:09,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 05:56:09,314 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-19 05:56:09,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:09,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1443905255, now seen corresponding path program 1 times [2024-11-19 05:56:09,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:09,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806260864] [2024-11-19 05:56:09,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:09,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:09,788 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-11-19 05:56:09,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:09,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806260864] [2024-11-19 05:56:09,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806260864] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:56:09,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037358584] [2024-11-19 05:56:09,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:09,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:56:09,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:56:09,791 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) [2024-11-19 05:56:09,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 05:56:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:10,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 1487 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 05:56:10,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:56:10,639 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:56:10,643 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:56:11,077 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:56:11,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037358584] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:56:11,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:56:11,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-11-19 05:56:11,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401982263] [2024-11-19 05:56:11,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:56:11,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-19 05:56:11,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:11,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-19 05:56:11,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-19 05:56:11,181 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 432 out of 479 [2024-11-19 05:56:11,188 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 451 transitions, 967 flow. Second operand has 19 states, 19 states have (on average 434.5263157894737) internal successors, (8256), 19 states have internal predecessors, (8256), 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) [2024-11-19 05:56:11,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:11,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 432 of 479 [2024-11-19 05:56:11,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:12,469 INFO L124 PetriNetUnfolderBase]: 17/2357 cut-off events. [2024-11-19 05:56:12,469 INFO L125 PetriNetUnfolderBase]: For 80/81 co-relation queries the response was YES. [2024-11-19 05:56:12,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2653 conditions, 2357 events. 17/2357 cut-off events. For 80/81 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1220 event pairs, 8 based on Foata normal form. 13/2342 useless extension candidates. Maximal degree in co-relation 2424. Up to 40 conditions per place. [2024-11-19 05:56:12,474 INFO L140 encePairwiseOnDemand]: 468/479 looper letters, 51 selfloop transitions, 68 changer transitions 0/537 dead transitions. [2024-11-19 05:56:12,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 537 transitions, 1615 flow [2024-11-19 05:56:12,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-19 05:56:12,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-11-19 05:56:12,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 27348 transitions. [2024-11-19 05:56:12,511 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9062531066706432 [2024-11-19 05:56:12,512 INFO L175 Difference]: Start difference. First operand has 458 places, 451 transitions, 967 flow. Second operand 63 states and 27348 transitions. [2024-11-19 05:56:12,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 537 transitions, 1615 flow [2024-11-19 05:56:12,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 537 transitions, 1605 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:56:12,521 INFO L231 Difference]: Finished difference. Result has 531 places, 513 transitions, 1477 flow [2024-11-19 05:56:12,522 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=957, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=1477, PETRI_PLACES=531, PETRI_TRANSITIONS=513} [2024-11-19 05:56:12,523 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, 77 predicate places. [2024-11-19 05:56:12,523 INFO L471 AbstractCegarLoop]: Abstraction has has 531 places, 513 transitions, 1477 flow [2024-11-19 05:56:12,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 434.5263157894737) internal successors, (8256), 19 states have internal predecessors, (8256), 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) [2024-11-19 05:56:12,526 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:12,527 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, 1] [2024-11-19 05:56:12,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 05:56:12,727 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 [2024-11-19 05:56:12,728 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-19 05:56:12,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:12,729 INFO L85 PathProgramCache]: Analyzing trace with hash -2131950081, now seen corresponding path program 2 times [2024-11-19 05:56:12,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:12,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128271969] [2024-11-19 05:56:12,729 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:56:12,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:12,961 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:56:12,962 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:56:13,305 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2024-11-19 05:56:13,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:13,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128271969] [2024-11-19 05:56:13,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128271969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:13,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:13,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:56:13,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299840081] [2024-11-19 05:56:13,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:13,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:56:13,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:13,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:56:13,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:56:14,189 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 389 out of 479 [2024-11-19 05:56:14,190 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 513 transitions, 1477 flow. Second operand has 6 states, 6 states have (on average 396.3333333333333) internal successors, (2378), 6 states have internal predecessors, (2378), 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) [2024-11-19 05:56:14,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:14,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 389 of 479 [2024-11-19 05:56:14,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:14,983 INFO L124 PetriNetUnfolderBase]: 85/2674 cut-off events. [2024-11-19 05:56:14,983 INFO L125 PetriNetUnfolderBase]: For 436/440 co-relation queries the response was YES. [2024-11-19 05:56:14,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3804 conditions, 2674 events. 85/2674 cut-off events. For 436/440 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3097 event pairs, 64 based on Foata normal form. 0/2602 useless extension candidates. Maximal degree in co-relation 3107. Up to 783 conditions per place. [2024-11-19 05:56:14,991 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 62 selfloop transitions, 5 changer transitions 0/512 dead transitions. [2024-11-19 05:56:14,992 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 512 transitions, 1609 flow [2024-11-19 05:56:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:56:14,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:56:14,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2402 transitions. [2024-11-19 05:56:14,994 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8357689631176062 [2024-11-19 05:56:14,994 INFO L175 Difference]: Start difference. First operand has 531 places, 513 transitions, 1477 flow. Second operand 6 states and 2402 transitions. [2024-11-19 05:56:14,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 512 transitions, 1609 flow [2024-11-19 05:56:15,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 512 transitions, 1533 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-11-19 05:56:15,006 INFO L231 Difference]: Finished difference. Result has 528 places, 512 transitions, 1409 flow [2024-11-19 05:56:15,007 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=1399, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1409, PETRI_PLACES=528, PETRI_TRANSITIONS=512} [2024-11-19 05:56:15,007 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, 74 predicate places. [2024-11-19 05:56:15,008 INFO L471 AbstractCegarLoop]: Abstraction has has 528 places, 512 transitions, 1409 flow [2024-11-19 05:56:15,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 396.3333333333333) internal successors, (2378), 6 states have internal predecessors, (2378), 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) [2024-11-19 05:56:15,008 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:15,009 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:15,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 05:56:15,009 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-19 05:56:15,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:15,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1075793589, now seen corresponding path program 1 times [2024-11-19 05:56:15,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:15,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062011549] [2024-11-19 05:56:15,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:15,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:18,287 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-19 05:56:18,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:18,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062011549] [2024-11-19 05:56:18,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062011549] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:56:18,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931119339] [2024-11-19 05:56:18,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:18,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:56:18,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:56:18,291 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) [2024-11-19 05:56:18,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 05:56:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:19,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 5710 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 05:56:19,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:56:20,306 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-19 05:56:20,306 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:56:21,234 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-19 05:56:21,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931119339] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:56:21,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:56:21,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-19 05:56:21,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318533051] [2024-11-19 05:56:21,235 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:56:21,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-19 05:56:21,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:21,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-19 05:56:21,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-19 05:56:21,275 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 438 out of 479 [2024-11-19 05:56:21,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 512 transitions, 1409 flow. Second operand has 34 states, 34 states have (on average 440.11764705882354) internal successors, (14964), 34 states have internal predecessors, (14964), 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) [2024-11-19 05:56:21,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:21,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 438 of 479 [2024-11-19 05:56:21,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:23,544 INFO L124 PetriNetUnfolderBase]: 17/4516 cut-off events. [2024-11-19 05:56:23,544 INFO L125 PetriNetUnfolderBase]: For 3211/3212 co-relation queries the response was YES. [2024-11-19 05:56:23,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5312 conditions, 4516 events. 17/4516 cut-off events. For 3211/3212 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1215 event pairs, 8 based on Foata normal form. 24/4513 useless extension candidates. Maximal degree in co-relation 5270. Up to 78 conditions per place. [2024-11-19 05:56:23,551 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 51 selfloop transitions, 135 changer transitions 0/613 dead transitions. [2024-11-19 05:56:23,551 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 572 places, 613 transitions, 2545 flow [2024-11-19 05:56:23,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-19 05:56:23,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-11-19 05:56:23,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 19794 transitions. [2024-11-19 05:56:23,569 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9183020180932498 [2024-11-19 05:56:23,570 INFO L175 Difference]: Start difference. First operand has 528 places, 512 transitions, 1409 flow. Second operand 45 states and 19794 transitions. [2024-11-19 05:56:23,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 572 places, 613 transitions, 2545 flow [2024-11-19 05:56:23,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 567 places, 613 transitions, 2535 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:56:23,586 INFO L231 Difference]: Finished difference. Result has 576 places, 587 transitions, 2273 flow [2024-11-19 05:56:23,587 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=1399, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=2273, PETRI_PLACES=576, PETRI_TRANSITIONS=587} [2024-11-19 05:56:23,588 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, 122 predicate places. [2024-11-19 05:56:23,588 INFO L471 AbstractCegarLoop]: Abstraction has has 576 places, 587 transitions, 2273 flow [2024-11-19 05:56:23,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 440.11764705882354) internal successors, (14964), 34 states have internal predecessors, (14964), 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) [2024-11-19 05:56:23,592 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:23,593 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:23,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 05:56:23,793 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 [2024-11-19 05:56:23,794 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-19 05:56:23,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:23,795 INFO L85 PathProgramCache]: Analyzing trace with hash -440137653, now seen corresponding path program 2 times [2024-11-19 05:56:23,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:23,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702692501] [2024-11-19 05:56:23,795 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:56:23,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:24,227 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:56:24,228 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:56:24,561 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39241 trivial. 0 not checked. [2024-11-19 05:56:24,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:24,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702692501] [2024-11-19 05:56:24,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702692501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:24,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:24,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:56:24,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303419952] [2024-11-19 05:56:24,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:24,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:56:24,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:24,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:56:24,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:56:25,033 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 479 [2024-11-19 05:56:25,034 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 576 places, 587 transitions, 2273 flow. Second operand has 6 states, 6 states have (on average 361.8333333333333) internal successors, (2171), 6 states have internal predecessors, (2171), 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) [2024-11-19 05:56:25,034 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:25,034 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 479 [2024-11-19 05:56:25,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:29,877 INFO L124 PetriNetUnfolderBase]: 737/7017 cut-off events. [2024-11-19 05:56:29,877 INFO L125 PetriNetUnfolderBase]: For 1224/1238 co-relation queries the response was YES. [2024-11-19 05:56:29,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10777 conditions, 7017 events. 737/7017 cut-off events. For 1224/1238 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 21944 event pairs, 290 based on Foata normal form. 4/6774 useless extension candidates. Maximal degree in co-relation 6574. Up to 2690 conditions per place. [2024-11-19 05:56:29,894 INFO L140 encePairwiseOnDemand]: 444/479 looper letters, 135 selfloop transitions, 118 changer transitions 0/736 dead transitions. [2024-11-19 05:56:29,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 581 places, 736 transitions, 3077 flow [2024-11-19 05:56:29,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:56:29,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:56:29,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2372 transitions. [2024-11-19 05:56:29,897 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.825330549756437 [2024-11-19 05:56:29,897 INFO L175 Difference]: Start difference. First operand has 576 places, 587 transitions, 2273 flow. Second operand 6 states and 2372 transitions. [2024-11-19 05:56:29,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 581 places, 736 transitions, 3077 flow [2024-11-19 05:56:29,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 563 places, 736 transitions, 2969 flow, removed 0 selfloop flow, removed 18 redundant places. [2024-11-19 05:56:29,921 INFO L231 Difference]: Finished difference. Result has 568 places, 704 transitions, 2939 flow [2024-11-19 05:56:29,923 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=2165, PETRI_DIFFERENCE_MINUEND_PLACES=558, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=587, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=553, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2939, PETRI_PLACES=568, PETRI_TRANSITIONS=704} [2024-11-19 05:56:29,923 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, 114 predicate places. [2024-11-19 05:56:29,923 INFO L471 AbstractCegarLoop]: Abstraction has has 568 places, 704 transitions, 2939 flow [2024-11-19 05:56:29,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 361.8333333333333) internal successors, (2171), 6 states have internal predecessors, (2171), 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) [2024-11-19 05:56:29,924 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:29,925 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:29,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 05:56:29,926 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-19 05:56:29,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:29,926 INFO L85 PathProgramCache]: Analyzing trace with hash -200573847, now seen corresponding path program 1 times [2024-11-19 05:56:29,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:29,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101470778] [2024-11-19 05:56:29,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:29,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:33,592 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39241 trivial. 0 not checked. [2024-11-19 05:56:33,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:33,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101470778] [2024-11-19 05:56:33,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101470778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:33,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:33,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:56:33,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317789704] [2024-11-19 05:56:33,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:33,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:56:33,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:33,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:56:33,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:56:33,615 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 441 out of 479 [2024-11-19 05:56:33,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 568 places, 704 transitions, 2939 flow. Second operand has 3 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 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) [2024-11-19 05:56:33,616 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:33,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 441 of 479 [2024-11-19 05:56:33,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:36,558 INFO L124 PetriNetUnfolderBase]: 311/5816 cut-off events. [2024-11-19 05:56:36,558 INFO L125 PetriNetUnfolderBase]: For 1361/1374 co-relation queries the response was YES. [2024-11-19 05:56:36,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7632 conditions, 5816 events. 311/5816 cut-off events. For 1361/1374 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 11359 event pairs, 21 based on Foata normal form. 2/5688 useless extension candidates. Maximal degree in co-relation 5024. Up to 340 conditions per place. [2024-11-19 05:56:36,573 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 22 selfloop transitions, 3 changer transitions 0/712 dead transitions. [2024-11-19 05:56:36,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 712 transitions, 3005 flow [2024-11-19 05:56:36,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:56:36,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:56:36,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1348 transitions. [2024-11-19 05:56:36,575 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9380654140570633 [2024-11-19 05:56:36,576 INFO L175 Difference]: Start difference. First operand has 568 places, 704 transitions, 2939 flow. Second operand 3 states and 1348 transitions. [2024-11-19 05:56:36,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 570 places, 712 transitions, 3005 flow [2024-11-19 05:56:36,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 570 places, 712 transitions, 3005 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:56:36,603 INFO L231 Difference]: Finished difference. Result has 571 places, 704 transitions, 2950 flow [2024-11-19 05:56:36,603 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=2939, PETRI_DIFFERENCE_MINUEND_PLACES=568, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=704, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=701, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2950, PETRI_PLACES=571, PETRI_TRANSITIONS=704} [2024-11-19 05:56:36,604 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, 117 predicate places. [2024-11-19 05:56:36,604 INFO L471 AbstractCegarLoop]: Abstraction has has 571 places, 704 transitions, 2950 flow [2024-11-19 05:56:36,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 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) [2024-11-19 05:56:36,605 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:36,606 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:36,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 05:56:36,606 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-19 05:56:36,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:36,607 INFO L85 PathProgramCache]: Analyzing trace with hash -380251231, now seen corresponding path program 1 times [2024-11-19 05:56:36,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:36,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684887461] [2024-11-19 05:56:36,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:36,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:40,594 INFO L134 CoverageAnalysis]: Checked inductivity of 39242 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 39241 trivial. 0 not checked. [2024-11-19 05:56:40,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:40,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684887461] [2024-11-19 05:56:40,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684887461] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:56:40,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920473094] [2024-11-19 05:56:40,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:40,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:56:40,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:56:40,597 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) [2024-11-19 05:56:40,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 05:56:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:43,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 11640 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-19 05:56:43,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:56:44,860 INFO L134 CoverageAnalysis]: Checked inductivity of 39242 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9471 trivial. 0 not checked. [2024-11-19 05:56:44,861 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:56:46,837 INFO L134 CoverageAnalysis]: Checked inductivity of 39242 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9471 trivial. 0 not checked. [2024-11-19 05:56:46,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920473094] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:56:46,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:56:46,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 33, 33] total 64 [2024-11-19 05:56:46,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325760884] [2024-11-19 05:56:46,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:56:46,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-11-19 05:56:46,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:46,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-11-19 05:56:46,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=967, Invalid=3065, Unknown=0, NotChecked=0, Total=4032 [2024-11-19 05:56:47,033 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 432 out of 479 [2024-11-19 05:56:47,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 571 places, 704 transitions, 2950 flow. Second operand has 64 states, 64 states have (on average 434.3125) internal successors, (27796), 64 states have internal predecessors, (27796), 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) [2024-11-19 05:56:47,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:47,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 432 of 479 [2024-11-19 05:56:47,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:55,320 INFO L124 PetriNetUnfolderBase]: 303/9774 cut-off events. [2024-11-19 05:56:55,320 INFO L125 PetriNetUnfolderBase]: For 13548/13564 co-relation queries the response was YES. [2024-11-19 05:56:55,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12749 conditions, 9774 events. 303/9774 cut-off events. For 13548/13564 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 10230 event pairs, 0 based on Foata normal form. 55/9733 useless extension candidates. Maximal degree in co-relation 10212. Up to 368 conditions per place. [2024-11-19 05:56:55,342 INFO L140 encePairwiseOnDemand]: 468/479 looper letters, 118 selfloop transitions, 275 changer transitions 0/911 dead transitions. [2024-11-19 05:56:55,342 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 642 places, 911 transitions, 5919 flow [2024-11-19 05:56:55,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-19 05:56:55,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2024-11-19 05:56:55,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 40786 transitions. [2024-11-19 05:56:55,375 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9058321858481766 [2024-11-19 05:56:55,376 INFO L175 Difference]: Start difference. First operand has 571 places, 704 transitions, 2950 flow. Second operand 94 states and 40786 transitions. [2024-11-19 05:56:55,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 642 places, 911 transitions, 5919 flow [2024-11-19 05:56:55,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 639 places, 911 transitions, 5910 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 05:56:55,417 INFO L231 Difference]: Finished difference. Result has 655 places, 819 transitions, 4893 flow [2024-11-19 05:56:55,418 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=2890, PETRI_DIFFERENCE_MINUEND_PLACES=546, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=681, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=535, PETRI_DIFFERENCE_SUBTRAHEND_STATES=94, PETRI_FLOW=4893, PETRI_PLACES=655, PETRI_TRANSITIONS=819} [2024-11-19 05:56:55,419 INFO L277 CegarLoopForPetriNet]: 454 programPoint places, 201 predicate places. [2024-11-19 05:56:55,419 INFO L471 AbstractCegarLoop]: Abstraction has has 655 places, 819 transitions, 4893 flow [2024-11-19 05:56:55,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 434.3125) internal successors, (27796), 64 states have internal predecessors, (27796), 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) [2024-11-19 05:56:55,426 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:55,428 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:55,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 05:56:55,628 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,SelfDestructingSolverStorable17 [2024-11-19 05:56:55,629 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-19 05:56:55,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:55,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1039524730, now seen corresponding path program 1 times [2024-11-19 05:56:55,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:55,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015646109] [2024-11-19 05:56:55,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:55,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat