./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/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-wip.fs.cvc5-61a6796-m [2024-10-14 17:10:44,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:10:44,556 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 17:10:44,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:10:44,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:10:44,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:10:44,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:10:44,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:10:44,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:10:44,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:10:44,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:10:44,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:10:44,601 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:10:44,605 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:10:44,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:10:44,606 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:10:44,606 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:10:44,606 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:10:44,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:10:44,607 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:10:44,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:10:44,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:10:44,608 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 17:10:44,608 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:10:44,608 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:10:44,608 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:10:44,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:10:44,609 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:10:44,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:10:44,609 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:10:44,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:10:44,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:10:44,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:10:44,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:10:44,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 17:10:44,612 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:10:44,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:10:44,613 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:10:44,613 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:10:44,613 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:10:44,614 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:10:44,614 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 [2024-10-14 17:10:44,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:10:44,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:10:44,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:10:44,903 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:10:44,904 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:10:44,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2024-10-14 17:10:46,402 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:10:46,683 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:10:46,683 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2024-10-14 17:10:46,706 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/705089ef2/d35e6d34b6294973a70e2d1792e7962f/FLAG4e6a93f56 [2024-10-14 17:10:46,720 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/705089ef2/d35e6d34b6294973a70e2d1792e7962f [2024-10-14 17:10:46,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:10:46,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:10:46,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:10:46,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:10:46,733 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:10:46,734 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:10:46" (1/1) ... [2024-10-14 17:10:46,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@356539aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:46, skipping insertion in model container [2024-10-14 17:10:46,735 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:10:46" (1/1) ... [2024-10-14 17:10:46,790 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:10:47,180 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-14 17:10:47,181 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-14 17:10:47,182 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-14 17:10:47,185 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-14 17:10:47,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:10:47,247 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:10:47,291 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-14 17:10:47,292 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-14 17:10:47,293 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-14 17:10:47,293 WARN L1659 CHandler]: Possible shadowing of function new [2024-10-14 17:10:47,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:10:47,397 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:10:47,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:47 WrapperNode [2024-10-14 17:10:47,398 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:10:47,400 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:10:47,400 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:10:47,400 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:10:47,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:47" (1/1) ... [2024-10-14 17:10:47,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:47" (1/1) ... [2024-10-14 17:10:47,491 INFO L138 Inliner]: procedures = 280, calls = 56, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 367 [2024-10-14 17:10:47,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:10:47,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:10:47,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:10:47,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:10:47,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:47" (1/1) ... [2024-10-14 17:10:47,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:47" (1/1) ... [2024-10-14 17:10:47,514 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:47" (1/1) ... [2024-10-14 17:10:47,514 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:47" (1/1) ... [2024-10-14 17:10:47,545 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:47" (1/1) ... [2024-10-14 17:10:47,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:47" (1/1) ... [2024-10-14 17:10:47,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:47" (1/1) ... [2024-10-14 17:10:47,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:47" (1/1) ... [2024-10-14 17:10:47,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:10:47,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:10:47,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:10:47,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:10:47,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:47" (1/1) ... [2024-10-14 17:10:47,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:10:47,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:10:47,668 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) [2024-10-14 17:10:47,671 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 [2024-10-14 17:10:47,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 17:10:47,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-14 17:10:47,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 17:10:47,721 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-14 17:10:47,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-14 17:10:47,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-14 17:10:47,722 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-14 17:10:47,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 17:10:47,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:10:47,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-14 17:10:47,722 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-14 17:10:47,722 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-14 17:10:47,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 17:10:47,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:10:47,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:10:47,724 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 17:10:47,899 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:10:47,901 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:10:48,545 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 17:10:48,545 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:10:48,605 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:10:48,607 INFO L314 CfgBuilder]: Removed 16 assume(true) statements. [2024-10-14 17:10:48,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:10:48 BoogieIcfgContainer [2024-10-14 17:10:48,608 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:10:48,610 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:10:48,610 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:10:48,616 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:10:48,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:10:46" (1/3) ... [2024-10-14 17:10:48,617 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6336c514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:10:48, skipping insertion in model container [2024-10-14 17:10:48,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:10:47" (2/3) ... [2024-10-14 17:10:48,618 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6336c514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:10:48, skipping insertion in model container [2024-10-14 17:10:48,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:10:48" (3/3) ... [2024-10-14 17:10:48,619 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_93-evilcollapse_racefree.i [2024-10-14 17:10:48,637 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:10:48,637 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-10-14 17:10:48,637 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 17:10:48,758 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-14 17:10:48,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 386 places, 411 transitions, 829 flow [2024-10-14 17:10:48,980 INFO L124 PetriNetUnfolderBase]: 30/443 cut-off events. [2024-10-14 17:10:48,981 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-14 17:10:48,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 448 conditions, 443 events. 30/443 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1149 event pairs, 0 based on Foata normal form. 0/387 useless extension candidates. Maximal degree in co-relation 258. Up to 4 conditions per place. [2024-10-14 17:10:48,993 INFO L82 GeneralOperation]: Start removeDead. Operand has 386 places, 411 transitions, 829 flow [2024-10-14 17:10:49,003 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 386 places, 411 transitions, 829 flow [2024-10-14 17:10:49,019 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:10:49,027 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;@1dd01423, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:10:49,028 INFO L334 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2024-10-14 17:10:49,039 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 17:10:49,039 INFO L124 PetriNetUnfolderBase]: 1/56 cut-off events. [2024-10-14 17:10:49,039 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:10:49,040 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:10:49,040 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] [2024-10-14 17:10:49,041 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)] === [2024-10-14 17:10:49,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:10:49,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1542847012, now seen corresponding path program 1 times [2024-10-14 17:10:49,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:10:49,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659670327] [2024-10-14 17:10:49,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:10:49,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:10:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:10:49,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:10:49,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:10:49,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659670327] [2024-10-14 17:10:49,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659670327] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:10:49,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:10:49,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:10:49,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267722730] [2024-10-14 17:10:49,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:10:49,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:10:49,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:10:49,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:10:49,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:10:50,589 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 411 [2024-10-14 17:10:50,598 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 411 transitions, 829 flow. Second operand has 6 states, 6 states have (on average 290.3333333333333) internal successors, (1742), 6 states have internal predecessors, (1742), 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) [2024-10-14 17:10:50,599 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:10:50,599 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 411 [2024-10-14 17:10:50,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:10:50,884 INFO L124 PetriNetUnfolderBase]: 320/1603 cut-off events. [2024-10-14 17:10:50,884 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-10-14 17:10:50,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2301 conditions, 1603 events. 320/1603 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10074 event pairs, 288 based on Foata normal form. 184/1652 useless extension candidates. Maximal degree in co-relation 1972. Up to 682 conditions per place. [2024-10-14 17:10:50,899 INFO L140 encePairwiseOnDemand]: 378/411 looper letters, 88 selfloop transitions, 10 changer transitions 2/386 dead transitions. [2024-10-14 17:10:50,900 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 386 transitions, 975 flow [2024-10-14 17:10:50,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:10:50,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:10:50,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1855 transitions. [2024-10-14 17:10:50,921 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7522303325223033 [2024-10-14 17:10:50,923 INFO L175 Difference]: Start difference. First operand has 386 places, 411 transitions, 829 flow. Second operand 6 states and 1855 transitions. [2024-10-14 17:10:50,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 386 transitions, 975 flow [2024-10-14 17:10:50,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 386 transitions, 975 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:10:50,936 INFO L231 Difference]: Finished difference. Result has 387 places, 384 transitions, 795 flow [2024-10-14 17:10:50,938 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=411, PETRI_DIFFERENCE_MINUEND_FLOW=779, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=795, PETRI_PLACES=387, PETRI_TRANSITIONS=384} [2024-10-14 17:10:50,942 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 1 predicate places. [2024-10-14 17:10:50,942 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 384 transitions, 795 flow [2024-10-14 17:10:50,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 290.3333333333333) internal successors, (1742), 6 states have internal predecessors, (1742), 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) [2024-10-14 17:10:50,944 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:10:50,944 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] [2024-10-14 17:10:50,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 17:10:50,946 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)] === [2024-10-14 17:10:50,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:10:50,948 INFO L85 PathProgramCache]: Analyzing trace with hash 945721532, now seen corresponding path program 1 times [2024-10-14 17:10:50,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:10:50,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731539317] [2024-10-14 17:10:50,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:10:50,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:10:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:10:51,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:10:51,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:10:51,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731539317] [2024-10-14 17:10:51,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731539317] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:10:51,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:10:51,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:10:51,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925676916] [2024-10-14 17:10:51,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:10:51,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:10:51,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:10:51,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:10:51,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:10:51,855 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 411 [2024-10-14 17:10:51,857 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 384 transitions, 795 flow. Second operand has 6 states, 6 states have (on average 290.3333333333333) internal successors, (1742), 6 states have internal predecessors, (1742), 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) [2024-10-14 17:10:51,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:10:51,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 411 [2024-10-14 17:10:51,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:10:52,088 INFO L124 PetriNetUnfolderBase]: 320/1599 cut-off events. [2024-10-14 17:10:52,088 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-10-14 17:10:52,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2308 conditions, 1599 events. 320/1599 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10047 event pairs, 288 based on Foata normal form. 0/1468 useless extension candidates. Maximal degree in co-relation 2133. Up to 682 conditions per place. [2024-10-14 17:10:52,097 INFO L140 encePairwiseOnDemand]: 399/411 looper letters, 88 selfloop transitions, 10 changer transitions 0/382 dead transitions. [2024-10-14 17:10:52,097 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 382 transitions, 987 flow [2024-10-14 17:10:52,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:10:52,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:10:52,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1834 transitions. [2024-10-14 17:10:52,103 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7437145174371452 [2024-10-14 17:10:52,103 INFO L175 Difference]: Start difference. First operand has 387 places, 384 transitions, 795 flow. Second operand 6 states and 1834 transitions. [2024-10-14 17:10:52,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 382 transitions, 987 flow [2024-10-14 17:10:52,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 382 transitions, 967 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:10:52,112 INFO L231 Difference]: Finished difference. Result has 383 places, 382 transitions, 791 flow [2024-10-14 17:10:52,113 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=411, PETRI_DIFFERENCE_MINUEND_FLOW=771, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=791, PETRI_PLACES=383, PETRI_TRANSITIONS=382} [2024-10-14 17:10:52,114 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -3 predicate places. [2024-10-14 17:10:52,114 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 382 transitions, 791 flow [2024-10-14 17:10:52,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 290.3333333333333) internal successors, (1742), 6 states have internal predecessors, (1742), 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) [2024-10-14 17:10:52,116 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:10:52,116 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] [2024-10-14 17:10:52,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 17:10:52,117 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)] === [2024-10-14 17:10:52,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:10:52,118 INFO L85 PathProgramCache]: Analyzing trace with hash -294159410, now seen corresponding path program 1 times [2024-10-14 17:10:52,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:10:52,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164039803] [2024-10-14 17:10:52,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:10:52,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:10:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:10:52,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:10:52,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:10:52,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164039803] [2024-10-14 17:10:52,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164039803] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:10:52,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:10:52,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 17:10:52,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571049522] [2024-10-14 17:10:52,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:10:52,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:10:52,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:10:52,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:10:52,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:10:52,189 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 411 [2024-10-14 17:10:52,191 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 382 transitions, 791 flow. Second operand has 3 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 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) [2024-10-14 17:10:52,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:10:52,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 411 [2024-10-14 17:10:52,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:10:52,264 INFO L124 PetriNetUnfolderBase]: 16/560 cut-off events. [2024-10-14 17:10:52,265 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-10-14 17:10:52,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 621 conditions, 560 events. 16/560 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1817 event pairs, 8 based on Foata normal form. 1/518 useless extension candidates. Maximal degree in co-relation 397. Up to 34 conditions per place. [2024-10-14 17:10:52,268 INFO L140 encePairwiseOnDemand]: 408/411 looper letters, 15 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2024-10-14 17:10:52,268 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 383 transitions, 827 flow [2024-10-14 17:10:52,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:10:52,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:10:52,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1137 transitions. [2024-10-14 17:10:52,271 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221411192214112 [2024-10-14 17:10:52,271 INFO L175 Difference]: Start difference. First operand has 383 places, 382 transitions, 791 flow. Second operand 3 states and 1137 transitions. [2024-10-14 17:10:52,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 383 transitions, 827 flow [2024-10-14 17:10:52,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 383 transitions, 807 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:10:52,280 INFO L231 Difference]: Finished difference. Result has 381 places, 383 transitions, 783 flow [2024-10-14 17:10:52,281 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=411, PETRI_DIFFERENCE_MINUEND_FLOW=771, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=783, PETRI_PLACES=381, PETRI_TRANSITIONS=383} [2024-10-14 17:10:52,282 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -5 predicate places. [2024-10-14 17:10:52,282 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 383 transitions, 783 flow [2024-10-14 17:10:52,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 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) [2024-10-14 17:10:52,283 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:10:52,284 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] [2024-10-14 17:10:52,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 17:10:52,284 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)] === [2024-10-14 17:10:52,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:10:52,285 INFO L85 PathProgramCache]: Analyzing trace with hash 2144430072, now seen corresponding path program 1 times [2024-10-14 17:10:52,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:10:52,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333844116] [2024-10-14 17:10:52,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:10:52,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:10:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:10:52,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:10:52,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:10:52,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333844116] [2024-10-14 17:10:52,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333844116] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:10:52,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:10:52,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:10:52,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197944053] [2024-10-14 17:10:52,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:10:52,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:10:52,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:10:52,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:10:52,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:10:53,059 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 411 [2024-10-14 17:10:53,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 383 transitions, 783 flow. Second operand has 6 states, 6 states have (on average 290.6666666666667) internal successors, (1744), 6 states have internal predecessors, (1744), 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) [2024-10-14 17:10:53,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:10:53,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 411 [2024-10-14 17:10:53,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:10:53,394 INFO L124 PetriNetUnfolderBase]: 321/1721 cut-off events. [2024-10-14 17:10:53,394 INFO L125 PetriNetUnfolderBase]: For 8/16 co-relation queries the response was YES. [2024-10-14 17:10:53,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2474 conditions, 1721 events. 321/1721 cut-off events. For 8/16 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10657 event pairs, 288 based on Foata normal form. 0/1586 useless extension candidates. Maximal degree in co-relation 2270. Up to 730 conditions per place. [2024-10-14 17:10:53,401 INFO L140 encePairwiseOnDemand]: 405/411 looper letters, 95 selfloop transitions, 5 changer transitions 0/382 dead transitions. [2024-10-14 17:10:53,403 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 382 transitions, 981 flow [2024-10-14 17:10:53,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:10:53,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:10:53,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1829 transitions. [2024-10-14 17:10:53,408 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7416869424168694 [2024-10-14 17:10:53,408 INFO L175 Difference]: Start difference. First operand has 381 places, 383 transitions, 783 flow. Second operand 6 states and 1829 transitions. [2024-10-14 17:10:53,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 382 transitions, 981 flow [2024-10-14 17:10:53,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 382 transitions, 979 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:10:53,416 INFO L231 Difference]: Finished difference. Result has 384 places, 382 transitions, 789 flow [2024-10-14 17:10:53,417 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=411, PETRI_DIFFERENCE_MINUEND_FLOW=779, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=789, PETRI_PLACES=384, PETRI_TRANSITIONS=382} [2024-10-14 17:10:53,418 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -2 predicate places. [2024-10-14 17:10:53,419 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 382 transitions, 789 flow [2024-10-14 17:10:53,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 290.6666666666667) internal successors, (1744), 6 states have internal predecessors, (1744), 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) [2024-10-14 17:10:53,420 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:10:53,421 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:10:53,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 17:10:53,421 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)] === [2024-10-14 17:10:53,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:10:53,422 INFO L85 PathProgramCache]: Analyzing trace with hash -781933782, now seen corresponding path program 1 times [2024-10-14 17:10:53,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:10:53,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401049826] [2024-10-14 17:10:53,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:10:53,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:10:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:10:53,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:10:53,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:10:53,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401049826] [2024-10-14 17:10:53,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401049826] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:10:53,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:10:53,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 17:10:53,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966895858] [2024-10-14 17:10:53,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:10:53,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:10:53,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:10:53,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:10:53,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:10:53,513 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 411 [2024-10-14 17:10:53,515 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 382 transitions, 789 flow. Second operand has 3 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 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) [2024-10-14 17:10:53,515 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:10:53,515 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 411 [2024-10-14 17:10:53,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:10:53,613 INFO L124 PetriNetUnfolderBase]: 16/746 cut-off events. [2024-10-14 17:10:53,613 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-10-14 17:10:53,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 817 conditions, 746 events. 16/746 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1838 event pairs, 8 based on Foata normal form. 2/699 useless extension candidates. Maximal degree in co-relation 592. Up to 38 conditions per place. [2024-10-14 17:10:53,616 INFO L140 encePairwiseOnDemand]: 408/411 looper letters, 15 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2024-10-14 17:10:53,617 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 383 transitions, 825 flow [2024-10-14 17:10:53,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:10:53,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:10:53,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1137 transitions. [2024-10-14 17:10:53,619 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221411192214112 [2024-10-14 17:10:53,619 INFO L175 Difference]: Start difference. First operand has 384 places, 382 transitions, 789 flow. Second operand 3 states and 1137 transitions. [2024-10-14 17:10:53,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 383 transitions, 825 flow [2024-10-14 17:10:53,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 383 transitions, 815 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:10:53,626 INFO L231 Difference]: Finished difference. Result has 382 places, 383 transitions, 791 flow [2024-10-14 17:10:53,627 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=411, PETRI_DIFFERENCE_MINUEND_FLOW=779, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=791, PETRI_PLACES=382, PETRI_TRANSITIONS=383} [2024-10-14 17:10:53,629 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -4 predicate places. [2024-10-14 17:10:53,629 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 383 transitions, 791 flow [2024-10-14 17:10:53,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 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) [2024-10-14 17:10:53,632 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:10:53,632 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:10:53,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 17:10:53,632 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)] === [2024-10-14 17:10:53,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:10:53,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1749450432, now seen corresponding path program 1 times [2024-10-14 17:10:53,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:10:53,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020004713] [2024-10-14 17:10:53,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:10:53,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:10:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:10:54,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:10:54,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:10:54,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020004713] [2024-10-14 17:10:54,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020004713] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:10:54,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:10:54,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:10:54,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119389354] [2024-10-14 17:10:54,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:10:54,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:10:54,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:10:54,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:10:54,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:10:54,784 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 411 [2024-10-14 17:10:54,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 383 transitions, 791 flow. Second operand has 6 states, 6 states have (on average 325.5) internal successors, (1953), 6 states have internal predecessors, (1953), 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) [2024-10-14 17:10:54,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:10:54,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 411 [2024-10-14 17:10:54,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:10:54,937 INFO L124 PetriNetUnfolderBase]: 84/1060 cut-off events. [2024-10-14 17:10:54,937 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2024-10-14 17:10:54,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1413 conditions, 1060 events. 84/1060 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3781 event pairs, 64 based on Foata normal form. 0/974 useless extension candidates. Maximal degree in co-relation 942. Up to 311 conditions per place. [2024-10-14 17:10:54,942 INFO L140 encePairwiseOnDemand]: 405/411 looper letters, 62 selfloop transitions, 5 changer transitions 0/382 dead transitions. [2024-10-14 17:10:54,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 382 transitions, 923 flow [2024-10-14 17:10:54,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:10:54,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:10:54,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1994 transitions. [2024-10-14 17:10:54,946 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8085969180859692 [2024-10-14 17:10:54,946 INFO L175 Difference]: Start difference. First operand has 382 places, 383 transitions, 791 flow. Second operand 6 states and 1994 transitions. [2024-10-14 17:10:54,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 382 transitions, 923 flow [2024-10-14 17:10:54,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 382 transitions, 921 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:10:54,953 INFO L231 Difference]: Finished difference. Result has 385 places, 382 transitions, 797 flow [2024-10-14 17:10:54,954 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=411, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=797, PETRI_PLACES=385, PETRI_TRANSITIONS=382} [2024-10-14 17:10:54,954 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -1 predicate places. [2024-10-14 17:10:54,954 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 382 transitions, 797 flow [2024-10-14 17:10:54,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 325.5) internal successors, (1953), 6 states have internal predecessors, (1953), 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) [2024-10-14 17:10:54,956 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:10:54,956 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:10:54,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 17:10:54,956 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)] === [2024-10-14 17:10:54,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:10:54,957 INFO L85 PathProgramCache]: Analyzing trace with hash 922364051, now seen corresponding path program 1 times [2024-10-14 17:10:54,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:10:54,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108774308] [2024-10-14 17:10:54,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:10:54,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:10:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:10:55,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:10:55,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:10:55,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108774308] [2024-10-14 17:10:55,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108774308] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:10:55,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:10:55,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:10:55,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841483286] [2024-10-14 17:10:55,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:10:55,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:10:55,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:10:55,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:10:55,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:10:55,828 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 411 [2024-10-14 17:10:55,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 382 transitions, 797 flow. Second operand has 6 states, 6 states have (on average 293.3333333333333) internal successors, (1760), 6 states have internal predecessors, (1760), 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) [2024-10-14 17:10:55,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:10:55,831 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 411 [2024-10-14 17:10:55,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:10:56,201 INFO L124 PetriNetUnfolderBase]: 321/1901 cut-off events. [2024-10-14 17:10:56,201 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-10-14 17:10:56,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2758 conditions, 1901 events. 321/1901 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10829 event pairs, 288 based on Foata normal form. 0/1766 useless extension candidates. Maximal degree in co-relation 2313. Up to 796 conditions per place. [2024-10-14 17:10:56,211 INFO L140 encePairwiseOnDemand]: 405/411 looper letters, 95 selfloop transitions, 5 changer transitions 0/381 dead transitions. [2024-10-14 17:10:56,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 381 transitions, 995 flow [2024-10-14 17:10:56,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:10:56,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:10:56,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1829 transitions. [2024-10-14 17:10:56,216 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7416869424168694 [2024-10-14 17:10:56,216 INFO L175 Difference]: Start difference. First operand has 385 places, 382 transitions, 797 flow. Second operand 6 states and 1829 transitions. [2024-10-14 17:10:56,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 381 transitions, 995 flow [2024-10-14 17:10:56,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 381 transitions, 985 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:10:56,223 INFO L231 Difference]: Finished difference. Result has 384 places, 381 transitions, 795 flow [2024-10-14 17:10:56,224 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=411, PETRI_DIFFERENCE_MINUEND_FLOW=785, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=795, PETRI_PLACES=384, PETRI_TRANSITIONS=381} [2024-10-14 17:10:56,225 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -2 predicate places. [2024-10-14 17:10:56,225 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 381 transitions, 795 flow [2024-10-14 17:10:56,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 293.3333333333333) internal successors, (1760), 6 states have internal predecessors, (1760), 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) [2024-10-14 17:10:56,226 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:10:56,227 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] [2024-10-14 17:10:56,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 17:10:56,227 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)] === [2024-10-14 17:10:56,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:10:56,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1442955761, now seen corresponding path program 1 times [2024-10-14 17:10:56,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:10:56,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197222707] [2024-10-14 17:10:56,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:10:56,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:10:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:10:56,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:10:56,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:10:56,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197222707] [2024-10-14 17:10:56,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197222707] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:10:56,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:10:56,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:10:56,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672715696] [2024-10-14 17:10:56,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:10:56,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:10:56,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:10:56,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:10:56,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:10:57,290 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 411 [2024-10-14 17:10:57,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 381 transitions, 795 flow. Second operand has 6 states, 6 states have (on average 298.0) internal successors, (1788), 6 states have internal predecessors, (1788), 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) [2024-10-14 17:10:57,293 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:10:57,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 411 [2024-10-14 17:10:57,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:10:57,599 INFO L124 PetriNetUnfolderBase]: 321/1897 cut-off events. [2024-10-14 17:10:57,599 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-10-14 17:10:57,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2738 conditions, 1897 events. 321/1897 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10811 event pairs, 288 based on Foata normal form. 0/1766 useless extension candidates. Maximal degree in co-relation 2329. Up to 780 conditions per place. [2024-10-14 17:10:57,606 INFO L140 encePairwiseOnDemand]: 405/411 looper letters, 91 selfloop transitions, 5 changer transitions 0/380 dead transitions. [2024-10-14 17:10:57,606 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 380 transitions, 985 flow [2024-10-14 17:10:57,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:10:57,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:10:57,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1849 transitions. [2024-10-14 17:10:57,611 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7497972424979724 [2024-10-14 17:10:57,613 INFO L175 Difference]: Start difference. First operand has 384 places, 381 transitions, 795 flow. Second operand 6 states and 1849 transitions. [2024-10-14 17:10:57,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 380 transitions, 985 flow [2024-10-14 17:10:57,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 380 transitions, 975 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:10:57,621 INFO L231 Difference]: Finished difference. Result has 383 places, 380 transitions, 793 flow [2024-10-14 17:10:57,621 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=411, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=793, PETRI_PLACES=383, PETRI_TRANSITIONS=380} [2024-10-14 17:10:57,623 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -3 predicate places. [2024-10-14 17:10:57,624 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 380 transitions, 793 flow [2024-10-14 17:10:57,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 298.0) internal successors, (1788), 6 states have internal predecessors, (1788), 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) [2024-10-14 17:10:57,625 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:10:57,625 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] [2024-10-14 17:10:57,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 17:10:57,628 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)] === [2024-10-14 17:10:57,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:10:57,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1715652543, now seen corresponding path program 1 times [2024-10-14 17:10:57,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:10:57,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851918464] [2024-10-14 17:10:57,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:10:57,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:10:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:10:58,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:10:58,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:10:58,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851918464] [2024-10-14 17:10:58,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851918464] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:10:58,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:10:58,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:10:58,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144051703] [2024-10-14 17:10:58,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:10:58,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:10:58,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:10:58,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:10:58,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:10:58,449 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 411 [2024-10-14 17:10:58,451 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 380 transitions, 793 flow. Second operand has 6 states, 6 states have (on average 298.0) internal successors, (1788), 6 states have internal predecessors, (1788), 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) [2024-10-14 17:10:58,451 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:10:58,452 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 411 [2024-10-14 17:10:58,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:10:58,735 INFO L124 PetriNetUnfolderBase]: 321/1893 cut-off events. [2024-10-14 17:10:58,735 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-10-14 17:10:58,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2734 conditions, 1893 events. 321/1893 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10770 event pairs, 288 based on Foata normal form. 0/1766 useless extension candidates. Maximal degree in co-relation 2344. Up to 780 conditions per place. [2024-10-14 17:10:58,743 INFO L140 encePairwiseOnDemand]: 405/411 looper letters, 91 selfloop transitions, 5 changer transitions 0/379 dead transitions. [2024-10-14 17:10:58,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 379 transitions, 983 flow [2024-10-14 17:10:58,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:10:58,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:10:58,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1849 transitions. [2024-10-14 17:10:58,747 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7497972424979724 [2024-10-14 17:10:58,751 INFO L175 Difference]: Start difference. First operand has 383 places, 380 transitions, 793 flow. Second operand 6 states and 1849 transitions. [2024-10-14 17:10:58,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 379 transitions, 983 flow [2024-10-14 17:10:58,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 379 transitions, 973 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:10:58,757 INFO L231 Difference]: Finished difference. Result has 382 places, 379 transitions, 791 flow [2024-10-14 17:10:58,758 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=411, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=791, PETRI_PLACES=382, PETRI_TRANSITIONS=379} [2024-10-14 17:10:58,759 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -4 predicate places. [2024-10-14 17:10:58,759 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 379 transitions, 791 flow [2024-10-14 17:10:58,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 298.0) internal successors, (1788), 6 states have internal predecessors, (1788), 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) [2024-10-14 17:10:58,761 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:10:58,761 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] [2024-10-14 17:10:58,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 17:10:58,761 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)] === [2024-10-14 17:10:58,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:10:58,762 INFO L85 PathProgramCache]: Analyzing trace with hash -664419616, now seen corresponding path program 1 times [2024-10-14 17:10:58,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:10:58,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58367732] [2024-10-14 17:10:58,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:10:58,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:10:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:10:59,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:10:59,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:10:59,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58367732] [2024-10-14 17:10:59,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58367732] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:10:59,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:10:59,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:10:59,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926695768] [2024-10-14 17:10:59,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:10:59,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:10:59,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:10:59,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:10:59,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:10:59,566 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 411 [2024-10-14 17:10:59,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 379 transitions, 791 flow. Second operand has 6 states, 6 states have (on average 294.5) internal successors, (1767), 6 states have internal predecessors, (1767), 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) [2024-10-14 17:10:59,568 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:10:59,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 411 [2024-10-14 17:10:59,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:10:59,929 INFO L124 PetriNetUnfolderBase]: 321/1889 cut-off events. [2024-10-14 17:10:59,929 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-10-14 17:10:59,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2750 conditions, 1889 events. 321/1889 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10733 event pairs, 288 based on Foata normal form. 0/1766 useless extension candidates. Maximal degree in co-relation 2357. Up to 800 conditions per place. [2024-10-14 17:10:59,936 INFO L140 encePairwiseOnDemand]: 405/411 looper letters, 96 selfloop transitions, 5 changer transitions 0/378 dead transitions. [2024-10-14 17:10:59,936 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 378 transitions, 991 flow [2024-10-14 17:10:59,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:10:59,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:10:59,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1824 transitions. [2024-10-14 17:10:59,941 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7396593673965937 [2024-10-14 17:10:59,941 INFO L175 Difference]: Start difference. First operand has 382 places, 379 transitions, 791 flow. Second operand 6 states and 1824 transitions. [2024-10-14 17:10:59,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 378 transitions, 991 flow [2024-10-14 17:10:59,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 378 transitions, 981 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:10:59,948 INFO L231 Difference]: Finished difference. Result has 381 places, 378 transitions, 789 flow [2024-10-14 17:10:59,949 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=411, PETRI_DIFFERENCE_MINUEND_FLOW=779, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=789, PETRI_PLACES=381, PETRI_TRANSITIONS=378} [2024-10-14 17:10:59,949 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -5 predicate places. [2024-10-14 17:10:59,949 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 378 transitions, 789 flow [2024-10-14 17:10:59,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 294.5) internal successors, (1767), 6 states have internal predecessors, (1767), 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) [2024-10-14 17:10:59,951 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:10:59,951 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] [2024-10-14 17:10:59,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 17:10:59,951 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)] === [2024-10-14 17:10:59,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:10:59,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1691030675, now seen corresponding path program 1 times [2024-10-14 17:10:59,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:10:59,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008721799] [2024-10-14 17:10:59,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:10:59,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:10:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:11:00,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:11:00,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:11:00,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008721799] [2024-10-14 17:11:00,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008721799] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 17:11:00,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401335323] [2024-10-14 17:11:00,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:11:00,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:11:00,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:11:00,216 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) [2024-10-14 17:11:00,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 17:11:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:11:00,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 17:11:00,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:11:00,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:11:00,613 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:11:00,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:11:00,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401335323] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:11:00,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 17:11:00,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-14 17:11:00,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890310210] [2024-10-14 17:11:00,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 17:11:00,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 17:11:00,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:11:00,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 17:11:00,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-14 17:11:00,779 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 411 [2024-10-14 17:11:00,782 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 378 transitions, 789 flow. Second operand has 10 states, 10 states have (on average 371.8) internal successors, (3718), 10 states have internal predecessors, (3718), 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) [2024-10-14 17:11:00,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:11:00,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 411 [2024-10-14 17:11:00,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:11:01,008 INFO L124 PetriNetUnfolderBase]: 16/910 cut-off events. [2024-10-14 17:11:01,009 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-10-14 17:11:01,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1024 conditions, 910 events. 16/910 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1224 event pairs, 8 based on Foata normal form. 4/885 useless extension candidates. Maximal degree in co-relation 798. Up to 38 conditions per place. [2024-10-14 17:11:01,012 INFO L140 encePairwiseOnDemand]: 405/411 looper letters, 19 selfloop transitions, 9 changer transitions 0/386 dead transitions. [2024-10-14 17:11:01,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 386 transitions, 863 flow [2024-10-14 17:11:01,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 17:11:01,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-14 17:11:01,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3360 transitions. [2024-10-14 17:11:01,020 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9083536090835361 [2024-10-14 17:11:01,021 INFO L175 Difference]: Start difference. First operand has 381 places, 378 transitions, 789 flow. Second operand 9 states and 3360 transitions. [2024-10-14 17:11:01,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 386 transitions, 863 flow [2024-10-14 17:11:01,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 386 transitions, 853 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:11:01,028 INFO L231 Difference]: Finished difference. Result has 387 places, 384 transitions, 829 flow [2024-10-14 17:11:01,029 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=411, PETRI_DIFFERENCE_MINUEND_FLOW=779, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=829, PETRI_PLACES=387, PETRI_TRANSITIONS=384} [2024-10-14 17:11:01,029 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 1 predicate places. [2024-10-14 17:11:01,029 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 384 transitions, 829 flow [2024-10-14 17:11:01,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 371.8) internal successors, (3718), 10 states have internal predecessors, (3718), 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) [2024-10-14 17:11:01,031 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:11:01,032 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] [2024-10-14 17:11:01,053 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 17:11:01,232 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 [2024-10-14 17:11:01,233 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)] === [2024-10-14 17:11:01,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:11:01,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1097239219, now seen corresponding path program 2 times [2024-10-14 17:11:01,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:11:01,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790502550] [2024-10-14 17:11:01,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:11:01,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:11:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:11:01,739 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-10-14 17:11:01,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:11:01,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790502550] [2024-10-14 17:11:01,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790502550] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 17:11:01,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486293428] [2024-10-14 17:11:01,740 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 17:11:01,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:11:01,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:11:01,742 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) [2024-10-14 17:11:01,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 17:11:01,999 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 17:11:01,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 17:11:02,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-14 17:11:02,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:11:02,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-10-14 17:11:02,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-10-14 17:11:02,107 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 17:11:02,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-10-14 17:11:02,144 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 17:11:02,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-10-14 17:11:02,173 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-10-14 17:11:02,173 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:11:02,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486293428] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:11:02,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 17:11:02,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-10-14 17:11:02,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270277163] [2024-10-14 17:11:02,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:11:02,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:11:02,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:11:02,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:11:02,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-14 17:11:02,866 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 411 [2024-10-14 17:11:02,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 384 transitions, 829 flow. Second operand has 6 states, 6 states have (on average 328.3333333333333) internal successors, (1970), 6 states have internal predecessors, (1970), 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) [2024-10-14 17:11:02,868 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:11:02,868 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 411 [2024-10-14 17:11:02,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:11:03,130 INFO L124 PetriNetUnfolderBase]: 84/1227 cut-off events. [2024-10-14 17:11:03,130 INFO L125 PetriNetUnfolderBase]: For 14/18 co-relation queries the response was YES. [2024-10-14 17:11:03,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1651 conditions, 1227 events. 84/1227 cut-off events. For 14/18 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3104 event pairs, 64 based on Foata normal form. 0/1154 useless extension candidates. Maximal degree in co-relation 1064. Up to 355 conditions per place. [2024-10-14 17:11:03,135 INFO L140 encePairwiseOnDemand]: 405/411 looper letters, 62 selfloop transitions, 5 changer transitions 0/383 dead transitions. [2024-10-14 17:11:03,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 383 transitions, 961 flow [2024-10-14 17:11:03,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:11:03,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:11:03,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1994 transitions. [2024-10-14 17:11:03,140 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8085969180859692 [2024-10-14 17:11:03,140 INFO L175 Difference]: Start difference. First operand has 387 places, 384 transitions, 829 flow. Second operand 6 states and 1994 transitions. [2024-10-14 17:11:03,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 383 transitions, 961 flow [2024-10-14 17:11:03,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 383 transitions, 955 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-10-14 17:11:03,147 INFO L231 Difference]: Finished difference. Result has 390 places, 383 transitions, 831 flow [2024-10-14 17:11:03,147 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=411, PETRI_DIFFERENCE_MINUEND_FLOW=821, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=831, PETRI_PLACES=390, PETRI_TRANSITIONS=383} [2024-10-14 17:11:03,148 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 4 predicate places. [2024-10-14 17:11:03,148 INFO L471 AbstractCegarLoop]: Abstraction has has 390 places, 383 transitions, 831 flow [2024-10-14 17:11:03,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 328.3333333333333) internal successors, (1970), 6 states have internal predecessors, (1970), 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) [2024-10-14 17:11:03,149 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:11:03,150 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] [2024-10-14 17:11:03,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-14 17:11:03,353 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,SelfDestructingSolverStorable11 [2024-10-14 17:11:03,354 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)] === [2024-10-14 17:11:03,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:11:03,354 INFO L85 PathProgramCache]: Analyzing trace with hash 552292230, now seen corresponding path program 1 times [2024-10-14 17:11:03,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:11:03,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522497758] [2024-10-14 17:11:03,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:11:03,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:11:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:11:03,756 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-10-14 17:11:03,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:11:03,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522497758] [2024-10-14 17:11:03,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522497758] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 17:11:03,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985847573] [2024-10-14 17:11:03,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:11:03,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:11:03,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:11:03,759 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) [2024-10-14 17:11:03,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 17:11:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:11:04,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 1313 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 17:11:04,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:11:04,523 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:11:04,523 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:11:04,937 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:11:04,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985847573] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:11:04,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 17:11:04,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-10-14 17:11:04,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705064877] [2024-10-14 17:11:04,941 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 17:11:04,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-14 17:11:04,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:11:04,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-14 17:11:04,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-10-14 17:11:05,044 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 411 [2024-10-14 17:11:05,050 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 383 transitions, 831 flow. Second operand has 19 states, 19 states have (on average 366.5263157894737) internal successors, (6964), 19 states have internal predecessors, (6964), 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) [2024-10-14 17:11:05,050 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:11:05,050 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 411 [2024-10-14 17:11:05,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:11:06,458 INFO L124 PetriNetUnfolderBase]: 17/2289 cut-off events. [2024-10-14 17:11:06,458 INFO L125 PetriNetUnfolderBase]: For 80/81 co-relation queries the response was YES. [2024-10-14 17:11:06,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2585 conditions, 2289 events. 17/2289 cut-off events. For 80/81 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1216 event pairs, 8 based on Foata normal form. 13/2274 useless extension candidates. Maximal degree in co-relation 2356. Up to 40 conditions per place. [2024-10-14 17:11:06,462 INFO L140 encePairwiseOnDemand]: 400/411 looper letters, 51 selfloop transitions, 68 changer transitions 0/469 dead transitions. [2024-10-14 17:11:06,462 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 469 transitions, 1479 flow [2024-10-14 17:11:06,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-10-14 17:11:06,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-10-14 17:11:06,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 23064 transitions. [2024-10-14 17:11:06,501 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8907426717645696 [2024-10-14 17:11:06,502 INFO L175 Difference]: Start difference. First operand has 390 places, 383 transitions, 831 flow. Second operand 63 states and 23064 transitions. [2024-10-14 17:11:06,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 469 transitions, 1479 flow [2024-10-14 17:11:06,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 469 transitions, 1469 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:11:06,511 INFO L231 Difference]: Finished difference. Result has 463 places, 445 transitions, 1341 flow [2024-10-14 17:11:06,512 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=411, PETRI_DIFFERENCE_MINUEND_FLOW=821, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=1341, PETRI_PLACES=463, PETRI_TRANSITIONS=445} [2024-10-14 17:11:06,513 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 77 predicate places. [2024-10-14 17:11:06,513 INFO L471 AbstractCegarLoop]: Abstraction has has 463 places, 445 transitions, 1341 flow [2024-10-14 17:11:06,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 366.5263157894737) internal successors, (6964), 19 states have internal predecessors, (6964), 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) [2024-10-14 17:11:06,516 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:11:06,517 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] [2024-10-14 17:11:06,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 17:11:06,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:11:06,718 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)] === [2024-10-14 17:11:06,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:11:06,719 INFO L85 PathProgramCache]: Analyzing trace with hash -127848191, now seen corresponding path program 2 times [2024-10-14 17:11:06,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:11:06,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832700739] [2024-10-14 17:11:06,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:11:06,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:11:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:11:09,998 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-10-14 17:11:09,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:11:09,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832700739] [2024-10-14 17:11:09,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832700739] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 17:11:09,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132262937] [2024-10-14 17:11:09,999 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 17:11:09,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:11:09,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:11:10,000 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) [2024-10-14 17:11:10,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 17:11:10,689 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 17:11:10,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 17:11:10,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-14 17:11:10,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:11:10,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-10-14 17:11:10,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-10-14 17:11:10,815 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 17:11:10,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-10-14 17:11:10,855 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 17:11:10,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-10-14 17:11:10,888 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2024-10-14 17:11:10,889 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:11:10,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132262937] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:11:10,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 17:11:10,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-10-14 17:11:10,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206832770] [2024-10-14 17:11:10,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:11:10,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:11:10,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:11:10,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:11:10,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-10-14 17:11:11,501 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 411 [2024-10-14 17:11:11,503 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 445 transitions, 1341 flow. Second operand has 6 states, 6 states have (on average 328.3333333333333) internal successors, (1970), 6 states have internal predecessors, (1970), 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) [2024-10-14 17:11:11,503 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:11:11,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 411 [2024-10-14 17:11:11,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:11:12,323 INFO L124 PetriNetUnfolderBase]: 85/2606 cut-off events. [2024-10-14 17:11:12,324 INFO L125 PetriNetUnfolderBase]: For 436/440 co-relation queries the response was YES. [2024-10-14 17:11:12,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3736 conditions, 2606 events. 85/2606 cut-off events. For 436/440 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3102 event pairs, 64 based on Foata normal form. 0/2534 useless extension candidates. Maximal degree in co-relation 3039. Up to 783 conditions per place. [2024-10-14 17:11:12,332 INFO L140 encePairwiseOnDemand]: 405/411 looper letters, 62 selfloop transitions, 5 changer transitions 0/444 dead transitions. [2024-10-14 17:11:12,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 444 transitions, 1473 flow [2024-10-14 17:11:12,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:11:12,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:11:12,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1994 transitions. [2024-10-14 17:11:12,335 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8085969180859692 [2024-10-14 17:11:12,335 INFO L175 Difference]: Start difference. First operand has 463 places, 445 transitions, 1341 flow. Second operand 6 states and 1994 transitions. [2024-10-14 17:11:12,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 444 transitions, 1473 flow [2024-10-14 17:11:12,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 444 transitions, 1397 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-10-14 17:11:12,348 INFO L231 Difference]: Finished difference. Result has 460 places, 444 transitions, 1273 flow [2024-10-14 17:11:12,349 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=411, PETRI_DIFFERENCE_MINUEND_FLOW=1263, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1273, PETRI_PLACES=460, PETRI_TRANSITIONS=444} [2024-10-14 17:11:12,349 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 74 predicate places. [2024-10-14 17:11:12,349 INFO L471 AbstractCegarLoop]: Abstraction has has 460 places, 444 transitions, 1273 flow [2024-10-14 17:11:12,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 328.3333333333333) internal successors, (1970), 6 states have internal predecessors, (1970), 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) [2024-10-14 17:11:12,351 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:11:12,351 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] [2024-10-14 17:11:12,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-14 17:11:12,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:11:12,552 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)] === [2024-10-14 17:11:12,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:11:12,553 INFO L85 PathProgramCache]: Analyzing trace with hash -323139907, now seen corresponding path program 1 times [2024-10-14 17:11:12,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:11:12,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189130017] [2024-10-14 17:11:12,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:11:12,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:11:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:11:15,752 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-10-14 17:11:15,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:11:15,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189130017] [2024-10-14 17:11:15,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189130017] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 17:11:15,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98364933] [2024-10-14 17:11:15,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:11:15,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:11:15,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:11:15,755 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 17:11:15,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 17:11:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:11:17,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 5536 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-14 17:11:17,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:11:17,804 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-10-14 17:11:17,805 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:11:18,586 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-10-14 17:11:18,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98364933] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:11:18,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 17:11:18,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-10-14 17:11:18,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857508349] [2024-10-14 17:11:18,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 17:11:18,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-10-14 17:11:18,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:11:18,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-14 17:11:18,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-10-14 17:11:18,653 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 411 [2024-10-14 17:11:18,660 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 444 transitions, 1273 flow. Second operand has 34 states, 34 states have (on average 372.11764705882354) internal successors, (12652), 34 states have internal predecessors, (12652), 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) [2024-10-14 17:11:18,660 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:11:18,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 411 [2024-10-14 17:11:18,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:11:20,914 INFO L124 PetriNetUnfolderBase]: 17/4448 cut-off events. [2024-10-14 17:11:20,914 INFO L125 PetriNetUnfolderBase]: For 3211/3212 co-relation queries the response was YES. [2024-10-14 17:11:20,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5244 conditions, 4448 events. 17/4448 cut-off events. For 3211/3212 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1214 event pairs, 8 based on Foata normal form. 24/4445 useless extension candidates. Maximal degree in co-relation 5202. Up to 78 conditions per place. [2024-10-14 17:11:20,923 INFO L140 encePairwiseOnDemand]: 405/411 looper letters, 51 selfloop transitions, 135 changer transitions 0/545 dead transitions. [2024-10-14 17:11:20,924 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 545 transitions, 2409 flow [2024-10-14 17:11:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-14 17:11:20,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-10-14 17:11:20,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 16734 transitions. [2024-10-14 17:11:20,937 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9047850770478507 [2024-10-14 17:11:20,937 INFO L175 Difference]: Start difference. First operand has 460 places, 444 transitions, 1273 flow. Second operand 45 states and 16734 transitions. [2024-10-14 17:11:20,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 545 transitions, 2409 flow [2024-10-14 17:11:20,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 499 places, 545 transitions, 2399 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:11:20,953 INFO L231 Difference]: Finished difference. Result has 508 places, 519 transitions, 2137 flow [2024-10-14 17:11:20,954 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=411, PETRI_DIFFERENCE_MINUEND_FLOW=1263, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=2137, PETRI_PLACES=508, PETRI_TRANSITIONS=519} [2024-10-14 17:11:20,954 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 122 predicate places. [2024-10-14 17:11:20,954 INFO L471 AbstractCegarLoop]: Abstraction has has 508 places, 519 transitions, 2137 flow [2024-10-14 17:11:20,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 372.11764705882354) internal successors, (12652), 34 states have internal predecessors, (12652), 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) [2024-10-14 17:11:20,958 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:11:20,959 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] [2024-10-14 17:11:20,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-14 17:11:21,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-14 17:11:21,160 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-10-14 17:11:21,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:11:21,160 INFO L85 PathProgramCache]: Analyzing trace with hash 907228275, now seen corresponding path program 1 times [2024-10-14 17:11:21,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:11:21,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507940912] [2024-10-14 17:11:21,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:11:21,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:11:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:11:25,114 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39241 trivial. 0 not checked. [2024-10-14 17:11:25,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:11:25,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507940912] [2024-10-14 17:11:25,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507940912] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:11:25,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:11:25,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 17:11:25,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575396796] [2024-10-14 17:11:25,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:11:25,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:11:25,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:11:25,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:11:25,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:11:25,151 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 411 [2024-10-14 17:11:25,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 519 transitions, 2137 flow. Second operand has 3 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 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) [2024-10-14 17:11:25,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:11:25,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 411 [2024-10-14 17:11:25,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:11:26,988 INFO L124 PetriNetUnfolderBase]: 47/4722 cut-off events. [2024-10-14 17:11:26,988 INFO L125 PetriNetUnfolderBase]: For 1225/1229 co-relation queries the response was YES. [2024-10-14 17:11:26,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5606 conditions, 4722 events. 47/4722 cut-off events. For 1225/1229 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3058 event pairs, 24 based on Foata normal form. 2/4654 useless extension candidates. Maximal degree in co-relation 5002. Up to 78 conditions per place. [2024-10-14 17:11:26,996 INFO L140 encePairwiseOnDemand]: 408/411 looper letters, 22 selfloop transitions, 2 changer transitions 0/527 dead transitions. [2024-10-14 17:11:26,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 510 places, 527 transitions, 2201 flow [2024-10-14 17:11:26,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:11:26,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:11:26,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1144 transitions. [2024-10-14 17:11:26,998 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9278183292781833 [2024-10-14 17:11:26,998 INFO L175 Difference]: Start difference. First operand has 508 places, 519 transitions, 2137 flow. Second operand 3 states and 1144 transitions. [2024-10-14 17:11:26,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 510 places, 527 transitions, 2201 flow [2024-10-14 17:11:27,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 527 transitions, 2093 flow, removed 0 selfloop flow, removed 18 redundant places. [2024-10-14 17:11:27,015 INFO L231 Difference]: Finished difference. Result has 493 places, 519 transitions, 2037 flow [2024-10-14 17:11:27,016 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=411, PETRI_DIFFERENCE_MINUEND_FLOW=2029, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=519, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=517, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2037, PETRI_PLACES=493, PETRI_TRANSITIONS=519} [2024-10-14 17:11:27,016 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 107 predicate places. [2024-10-14 17:11:27,016 INFO L471 AbstractCegarLoop]: Abstraction has has 493 places, 519 transitions, 2037 flow [2024-10-14 17:11:27,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 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) [2024-10-14 17:11:27,017 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:11:27,018 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] [2024-10-14 17:11:27,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 17:11:27,018 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-10-14 17:11:27,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:11:27,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1438112835, now seen corresponding path program 2 times [2024-10-14 17:11:27,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:11:27,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202627468] [2024-10-14 17:11:27,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:11:27,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:11:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:11:35,420 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-10-14 17:11:35,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:11:35,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202627468] [2024-10-14 17:11:35,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202627468] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 17:11:35,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251026679] [2024-10-14 17:11:35,421 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 17:11:35,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:11:35,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:11:35,424 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 17:11:35,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 17:11:36,915 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 17:11:36,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 17:11:36,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-14 17:11:36,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:11:37,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-14 17:11:37,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-10-14 17:11:37,292 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 17:11:37,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-10-14 17:11:37,346 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 17:11:37,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-10-14 17:11:37,389 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39241 trivial. 0 not checked. [2024-10-14 17:11:37,390 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:11:37,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251026679] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:11:37,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 17:11:37,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [33] total 41 [2024-10-14 17:11:37,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977659361] [2024-10-14 17:11:37,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:11:37,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 17:11:37,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:11:37,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 17:11:37,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=1321, Unknown=0, NotChecked=0, Total=1640 [2024-10-14 17:11:37,904 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 411 [2024-10-14 17:11:37,906 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 519 transitions, 2037 flow. Second operand has 10 states, 10 states have (on average 277.9) internal successors, (2779), 10 states have internal predecessors, (2779), 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) [2024-10-14 17:11:37,906 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:11:37,906 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 411 [2024-10-14 17:11:37,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:11:43,252 INFO L124 PetriNetUnfolderBase]: 630/6728 cut-off events. [2024-10-14 17:11:43,253 INFO L125 PetriNetUnfolderBase]: For 1273/1289 co-relation queries the response was YES. [2024-10-14 17:11:43,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10311 conditions, 6728 events. 630/6728 cut-off events. For 1273/1289 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 19976 event pairs, 468 based on Foata normal form. 2/6494 useless extension candidates. Maximal degree in co-relation 6437. Up to 1626 conditions per place. [2024-10-14 17:11:43,277 INFO L140 encePairwiseOnDemand]: 393/411 looper letters, 178 selfloop transitions, 18 changer transitions 0/600 dead transitions. [2024-10-14 17:11:43,278 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 600 transitions, 2594 flow [2024-10-14 17:11:43,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 17:11:43,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-14 17:11:43,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2917 transitions. [2024-10-14 17:11:43,281 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7097323600973237 [2024-10-14 17:11:43,281 INFO L175 Difference]: Start difference. First operand has 493 places, 519 transitions, 2037 flow. Second operand 10 states and 2917 transitions. [2024-10-14 17:11:43,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 600 transitions, 2594 flow [2024-10-14 17:11:43,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 500 places, 600 transitions, 2588 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:11:43,301 INFO L231 Difference]: Finished difference. Result has 505 places, 525 transitions, 2107 flow [2024-10-14 17:11:43,302 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=411, PETRI_DIFFERENCE_MINUEND_FLOW=2033, PETRI_DIFFERENCE_MINUEND_PLACES=491, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=519, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2107, PETRI_PLACES=505, PETRI_TRANSITIONS=525} [2024-10-14 17:11:43,302 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 119 predicate places. [2024-10-14 17:11:43,302 INFO L471 AbstractCegarLoop]: Abstraction has has 505 places, 525 transitions, 2107 flow [2024-10-14 17:11:43,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 277.9) internal successors, (2779), 10 states have internal predecessors, (2779), 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) [2024-10-14 17:11:43,303 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:11:43,304 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, 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] [2024-10-14 17:11:43,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 17:11:43,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-14 17:11:43,506 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-10-14 17:11:43,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:11:43,506 INFO L85 PathProgramCache]: Analyzing trace with hash 2113455287, now seen corresponding path program 1 times [2024-10-14 17:11:43,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:11:43,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832920736] [2024-10-14 17:11:43,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:11:43,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:11:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:11:51,071 INFO L134 CoverageAnalysis]: Checked inductivity of 39251 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9480 trivial. 0 not checked. [2024-10-14 17:11:51,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:11:51,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832920736] [2024-10-14 17:11:51,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832920736] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 17:11:51,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882599780] [2024-10-14 17:11:51,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:11:51,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:11:51,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:11:51,073 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 17:11:51,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 17:11:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:11:53,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 11477 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-14 17:11:53,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:11:55,213 INFO L134 CoverageAnalysis]: Checked inductivity of 39251 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9480 trivial. 0 not checked. [2024-10-14 17:11:55,214 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:11:57,109 INFO L134 CoverageAnalysis]: Checked inductivity of 39251 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9480 trivial. 0 not checked. [2024-10-14 17:11:57,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882599780] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:11:57,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 17:11:57,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-10-14 17:11:57,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85347194] [2024-10-14 17:11:57,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 17:11:57,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-10-14 17:11:57,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:11:57,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-10-14 17:11:57,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-10-14 17:11:57,173 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 411 [2024-10-14 17:11:57,188 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 505 places, 525 transitions, 2107 flow. Second operand has 63 states, 63 states have (on average 372.1111111111111) internal successors, (23443), 63 states have internal predecessors, (23443), 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) [2024-10-14 17:11:57,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:11:57,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 411 [2024-10-14 17:11:57,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand