./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 4a390ef5 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-dev-4a390ef-m [2024-10-24 15:29:30,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:29:30,905 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:29:30,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:29:30,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:29:30,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:29:30,940 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:29:30,940 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:29:30,941 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:29:30,942 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:29:30,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:29:30,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:29:30,944 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:29:30,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:29:30,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:29:30,946 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:29:30,946 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:29:30,946 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:29:30,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:29:30,949 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:29:30,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:29:30,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:29:30,950 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:29:30,950 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:29:30,950 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:29:30,951 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:29:30,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:29:30,951 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:29:30,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:29:30,951 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:29:30,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:29:30,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:29:30,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:29:30,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:29:30,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:29:30,952 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:29:30,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:29:30,953 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:29:30,953 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:29:30,953 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:29:30,954 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:29:30,955 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 [2024-10-24 15:29:31,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:29:31,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:29:31,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:29:31,234 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:29:31,234 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:29:31,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2024-10-24 15:29:32,887 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:29:33,209 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:29:33,210 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2024-10-24 15:29:33,251 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a51e3128/1b0b52accacb4737adb7de00627d0bc4/FLAG5f9d90699 [2024-10-24 15:29:33,263 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a51e3128/1b0b52accacb4737adb7de00627d0bc4 [2024-10-24 15:29:33,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:29:33,266 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:29:33,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:29:33,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:29:33,274 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:29:33,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:29:33" (1/1) ... [2024-10-24 15:29:33,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46bcc3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:33, skipping insertion in model container [2024-10-24 15:29:33,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:29:33" (1/1) ... [2024-10-24 15:29:33,316 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:29:33,634 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:33,635 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:33,636 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:33,636 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:33,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:29:33,741 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:29:33,786 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:33,786 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:33,787 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:33,787 WARN L1660 CHandler]: Possible shadowing of function new [2024-10-24 15:29:33,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:29:33,859 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:29:33,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:33 WrapperNode [2024-10-24 15:29:33,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:29:33,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:29:33,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:29:33,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:29:33,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:33" (1/1) ... [2024-10-24 15:29:33,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:33" (1/1) ... [2024-10-24 15:29:33,919 INFO L138 Inliner]: procedures = 280, calls = 56, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 367 [2024-10-24 15:29:33,920 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:29:33,921 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:29:33,921 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:29:33,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:29:33,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:33" (1/1) ... [2024-10-24 15:29:33,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:33" (1/1) ... [2024-10-24 15:29:33,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:33" (1/1) ... [2024-10-24 15:29:33,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:33" (1/1) ... [2024-10-24 15:29:33,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:33" (1/1) ... [2024-10-24 15:29:33,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:33" (1/1) ... [2024-10-24 15:29:33,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:33" (1/1) ... [2024-10-24 15:29:33,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:33" (1/1) ... [2024-10-24 15:29:33,969 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:29:33,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:29:33,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:29:33,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:29:33,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:33" (1/1) ... [2024-10-24 15:29:33,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:29:33,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:29:34,008 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) [2024-10-24 15:29:34,016 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 [2024-10-24 15:29:34,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 15:29:34,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-24 15:29:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 15:29:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-24 15:29:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-24 15:29:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-24 15:29:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-24 15:29:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 15:29:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:29:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-24 15:29:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-24 15:29:34,057 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-24 15:29:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:29:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:29:34,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:29:34,059 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:29:34,210 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:29:34,212 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:29:34,649 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:29:34,650 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:29:34,697 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:29:34,699 INFO L314 CfgBuilder]: Removed 16 assume(true) statements. [2024-10-24 15:29:34,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:29:34 BoogieIcfgContainer [2024-10-24 15:29:34,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:29:34,701 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:29:34,702 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:29:34,705 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:29:34,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:29:33" (1/3) ... [2024-10-24 15:29:34,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1bbd96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:29:34, skipping insertion in model container [2024-10-24 15:29:34,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:29:33" (2/3) ... [2024-10-24 15:29:34,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1bbd96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:29:34, skipping insertion in model container [2024-10-24 15:29:34,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:29:34" (3/3) ... [2024-10-24 15:29:34,708 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_93-evilcollapse_racefree.i [2024-10-24 15:29:34,723 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:29:34,723 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-10-24 15:29:34,724 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:29:34,833 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-24 15:29:34,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 386 places, 411 transitions, 829 flow [2024-10-24 15:29:35,025 INFO L124 PetriNetUnfolderBase]: 30/443 cut-off events. [2024-10-24 15:29:35,026 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:29:35,035 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. [2024-10-24 15:29:35,036 INFO L82 GeneralOperation]: Start removeDead. Operand has 386 places, 411 transitions, 829 flow [2024-10-24 15:29:35,045 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 386 places, 411 transitions, 829 flow [2024-10-24 15:29:35,055 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:29:35,062 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;@256f0fdf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:29:35,064 INFO L334 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2024-10-24 15:29:35,075 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:29:35,076 INFO L124 PetriNetUnfolderBase]: 1/56 cut-off events. [2024-10-24 15:29:35,076 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:29:35,076 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:35,077 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:29:35,078 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)] === [2024-10-24 15:29:35,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:35,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1542847012, now seen corresponding path program 1 times [2024-10-24 15:29:35,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:35,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646153271] [2024-10-24 15:29:35,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:35,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:35,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:35,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:35,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646153271] [2024-10-24 15:29:35,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646153271] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:35,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:35,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:35,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679025638] [2024-10-24 15:29:35,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:35,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:35,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:35,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:35,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:36,175 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 411 [2024-10-24 15:29:36,180 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) [2024-10-24 15:29:36,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:36,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 411 [2024-10-24 15:29:36,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:36,377 INFO L124 PetriNetUnfolderBase]: 320/1603 cut-off events. [2024-10-24 15:29:36,377 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2024-10-24 15:29:36,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2301 conditions, 1603 events. 320/1603 cut-off events. For 15/23 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. [2024-10-24 15:29:36,385 INFO L140 encePairwiseOnDemand]: 378/411 looper letters, 88 selfloop transitions, 10 changer transitions 2/386 dead transitions. [2024-10-24 15:29:36,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 386 transitions, 975 flow [2024-10-24 15:29:36,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:36,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:36,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1855 transitions. [2024-10-24 15:29:36,400 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7522303325223033 [2024-10-24 15:29:36,401 INFO L175 Difference]: Start difference. First operand has 386 places, 411 transitions, 829 flow. Second operand 6 states and 1855 transitions. [2024-10-24 15:29:36,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 386 transitions, 975 flow [2024-10-24 15:29:36,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 386 transitions, 975 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:29:36,410 INFO L231 Difference]: Finished difference. Result has 387 places, 384 transitions, 795 flow [2024-10-24 15:29:36,412 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} [2024-10-24 15:29:36,415 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 1 predicate places. [2024-10-24 15:29:36,417 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 384 transitions, 795 flow [2024-10-24 15:29:36,418 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) [2024-10-24 15:29:36,418 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:36,418 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] [2024-10-24 15:29:36,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:29:36,418 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)] === [2024-10-24 15:29:36,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:36,419 INFO L85 PathProgramCache]: Analyzing trace with hash 945721532, now seen corresponding path program 1 times [2024-10-24 15:29:36,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:36,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412026615] [2024-10-24 15:29:36,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:36,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:36,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:36,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:36,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412026615] [2024-10-24 15:29:36,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412026615] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:36,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:36,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:36,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665330116] [2024-10-24 15:29:36,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:36,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:36,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:36,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:36,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:37,113 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 411 [2024-10-24 15:29:37,115 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) [2024-10-24 15:29:37,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:37,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 411 [2024-10-24 15:29:37,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:37,301 INFO L124 PetriNetUnfolderBase]: 320/1599 cut-off events. [2024-10-24 15:29:37,302 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2024-10-24 15:29:37,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2308 conditions, 1599 events. 320/1599 cut-off events. For 15/23 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. [2024-10-24 15:29:37,308 INFO L140 encePairwiseOnDemand]: 399/411 looper letters, 88 selfloop transitions, 10 changer transitions 0/382 dead transitions. [2024-10-24 15:29:37,308 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 382 transitions, 987 flow [2024-10-24 15:29:37,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:37,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:37,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1834 transitions. [2024-10-24 15:29:37,312 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7437145174371452 [2024-10-24 15:29:37,312 INFO L175 Difference]: Start difference. First operand has 387 places, 384 transitions, 795 flow. Second operand 6 states and 1834 transitions. [2024-10-24 15:29:37,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 382 transitions, 987 flow [2024-10-24 15:29:37,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 382 transitions, 967 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:37,318 INFO L231 Difference]: Finished difference. Result has 383 places, 382 transitions, 791 flow [2024-10-24 15:29:37,319 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} [2024-10-24 15:29:37,319 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -3 predicate places. [2024-10-24 15:29:37,320 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 382 transitions, 791 flow [2024-10-24 15:29:37,320 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) [2024-10-24 15:29:37,321 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:37,321 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] [2024-10-24 15:29:37,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:29:37,321 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)] === [2024-10-24 15:29:37,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:37,322 INFO L85 PathProgramCache]: Analyzing trace with hash -294159410, now seen corresponding path program 1 times [2024-10-24 15:29:37,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:37,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707925273] [2024-10-24 15:29:37,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:37,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:37,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:37,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:37,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707925273] [2024-10-24 15:29:37,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707925273] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:37,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:37,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:29:37,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116717574] [2024-10-24 15:29:37,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:37,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:29:37,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:37,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:29:37,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:29:37,373 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 411 [2024-10-24 15:29:37,374 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) [2024-10-24 15:29:37,374 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:37,374 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 411 [2024-10-24 15:29:37,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:37,462 INFO L124 PetriNetUnfolderBase]: 16/560 cut-off events. [2024-10-24 15:29:37,463 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-10-24 15:29:37,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 621 conditions, 560 events. 16/560 cut-off events. For 5/6 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. [2024-10-24 15:29:37,465 INFO L140 encePairwiseOnDemand]: 408/411 looper letters, 15 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2024-10-24 15:29:37,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 383 transitions, 827 flow [2024-10-24 15:29:37,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:29:37,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:29:37,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1137 transitions. [2024-10-24 15:29:37,468 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221411192214112 [2024-10-24 15:29:37,468 INFO L175 Difference]: Start difference. First operand has 383 places, 382 transitions, 791 flow. Second operand 3 states and 1137 transitions. [2024-10-24 15:29:37,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 383 transitions, 827 flow [2024-10-24 15:29:37,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 383 transitions, 807 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:37,476 INFO L231 Difference]: Finished difference. Result has 381 places, 383 transitions, 783 flow [2024-10-24 15:29:37,477 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} [2024-10-24 15:29:37,477 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -5 predicate places. [2024-10-24 15:29:37,477 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 383 transitions, 783 flow [2024-10-24 15:29:37,478 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) [2024-10-24 15:29:37,478 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:37,478 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] [2024-10-24 15:29:37,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:29:37,479 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)] === [2024-10-24 15:29:37,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:37,479 INFO L85 PathProgramCache]: Analyzing trace with hash 2144430072, now seen corresponding path program 1 times [2024-10-24 15:29:37,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:37,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391393396] [2024-10-24 15:29:37,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:37,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:37,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:37,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:37,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391393396] [2024-10-24 15:29:37,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391393396] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:37,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:37,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:37,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121938041] [2024-10-24 15:29:37,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:37,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:37,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:37,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:37,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:38,024 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 411 [2024-10-24 15:29:38,026 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) [2024-10-24 15:29:38,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:38,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 411 [2024-10-24 15:29:38,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:38,303 INFO L124 PetriNetUnfolderBase]: 321/1721 cut-off events. [2024-10-24 15:29:38,303 INFO L125 PetriNetUnfolderBase]: For 16/24 co-relation queries the response was YES. [2024-10-24 15:29:38,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2474 conditions, 1721 events. 321/1721 cut-off events. For 16/24 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. [2024-10-24 15:29:38,314 INFO L140 encePairwiseOnDemand]: 405/411 looper letters, 95 selfloop transitions, 5 changer transitions 0/382 dead transitions. [2024-10-24 15:29:38,315 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 382 transitions, 981 flow [2024-10-24 15:29:38,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:38,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:38,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1829 transitions. [2024-10-24 15:29:38,319 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7416869424168694 [2024-10-24 15:29:38,319 INFO L175 Difference]: Start difference. First operand has 381 places, 383 transitions, 783 flow. Second operand 6 states and 1829 transitions. [2024-10-24 15:29:38,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 382 transitions, 981 flow [2024-10-24 15:29:38,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 382 transitions, 979 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:29:38,326 INFO L231 Difference]: Finished difference. Result has 384 places, 382 transitions, 789 flow [2024-10-24 15:29:38,327 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} [2024-10-24 15:29:38,328 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -2 predicate places. [2024-10-24 15:29:38,328 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 382 transitions, 789 flow [2024-10-24 15:29:38,330 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) [2024-10-24 15:29:38,330 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:38,330 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] [2024-10-24 15:29:38,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:29:38,331 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)] === [2024-10-24 15:29:38,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:38,331 INFO L85 PathProgramCache]: Analyzing trace with hash -781933782, now seen corresponding path program 1 times [2024-10-24 15:29:38,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:38,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394063817] [2024-10-24 15:29:38,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:38,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:38,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:38,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:38,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394063817] [2024-10-24 15:29:38,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394063817] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:38,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:38,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:29:38,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602079340] [2024-10-24 15:29:38,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:38,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:29:38,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:38,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:29:38,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:29:38,418 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 411 [2024-10-24 15:29:38,420 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) [2024-10-24 15:29:38,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:38,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 411 [2024-10-24 15:29:38,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:38,515 INFO L124 PetriNetUnfolderBase]: 16/746 cut-off events. [2024-10-24 15:29:38,516 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-10-24 15:29:38,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 817 conditions, 746 events. 16/746 cut-off events. For 5/6 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. [2024-10-24 15:29:38,519 INFO L140 encePairwiseOnDemand]: 408/411 looper letters, 15 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2024-10-24 15:29:38,520 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 383 transitions, 825 flow [2024-10-24 15:29:38,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:29:38,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:29:38,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1137 transitions. [2024-10-24 15:29:38,523 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221411192214112 [2024-10-24 15:29:38,523 INFO L175 Difference]: Start difference. First operand has 384 places, 382 transitions, 789 flow. Second operand 3 states and 1137 transitions. [2024-10-24 15:29:38,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 383 transitions, 825 flow [2024-10-24 15:29:38,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 383 transitions, 815 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:38,529 INFO L231 Difference]: Finished difference. Result has 382 places, 383 transitions, 791 flow [2024-10-24 15:29:38,530 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} [2024-10-24 15:29:38,531 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -4 predicate places. [2024-10-24 15:29:38,531 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 383 transitions, 791 flow [2024-10-24 15:29:38,532 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) [2024-10-24 15:29:38,532 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:38,532 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] [2024-10-24 15:29:38,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:29:38,533 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)] === [2024-10-24 15:29:38,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:38,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1749450432, now seen corresponding path program 1 times [2024-10-24 15:29:38,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:38,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357559796] [2024-10-24 15:29:38,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:38,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:39,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:39,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:39,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357559796] [2024-10-24 15:29:39,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357559796] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:39,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:39,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:39,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101920207] [2024-10-24 15:29:39,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:39,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:39,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:39,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:39,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:40,080 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 411 [2024-10-24 15:29:40,083 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) [2024-10-24 15:29:40,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:40,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 411 [2024-10-24 15:29:40,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:40,228 INFO L124 PetriNetUnfolderBase]: 84/1060 cut-off events. [2024-10-24 15:29:40,228 INFO L125 PetriNetUnfolderBase]: For 10/14 co-relation queries the response was YES. [2024-10-24 15:29:40,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1413 conditions, 1060 events. 84/1060 cut-off events. For 10/14 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. [2024-10-24 15:29:40,232 INFO L140 encePairwiseOnDemand]: 405/411 looper letters, 62 selfloop transitions, 5 changer transitions 0/382 dead transitions. [2024-10-24 15:29:40,232 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 382 transitions, 923 flow [2024-10-24 15:29:40,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:40,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:40,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1994 transitions. [2024-10-24 15:29:40,237 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8085969180859692 [2024-10-24 15:29:40,237 INFO L175 Difference]: Start difference. First operand has 382 places, 383 transitions, 791 flow. Second operand 6 states and 1994 transitions. [2024-10-24 15:29:40,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 382 transitions, 923 flow [2024-10-24 15:29:40,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 382 transitions, 921 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:29:40,244 INFO L231 Difference]: Finished difference. Result has 385 places, 382 transitions, 797 flow [2024-10-24 15:29:40,245 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} [2024-10-24 15:29:40,246 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -1 predicate places. [2024-10-24 15:29:40,246 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 382 transitions, 797 flow [2024-10-24 15:29:40,248 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) [2024-10-24 15:29:40,248 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:40,248 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] [2024-10-24 15:29:40,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 15:29:40,248 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)] === [2024-10-24 15:29:40,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:40,249 INFO L85 PathProgramCache]: Analyzing trace with hash 922364051, now seen corresponding path program 1 times [2024-10-24 15:29:40,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:40,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673247325] [2024-10-24 15:29:40,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:40,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:40,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:40,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:40,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673247325] [2024-10-24 15:29:40,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673247325] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:40,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:40,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:40,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842758745] [2024-10-24 15:29:40,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:40,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:40,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:40,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:40,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:41,050 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 411 [2024-10-24 15:29:41,052 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) [2024-10-24 15:29:41,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:41,063 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 411 [2024-10-24 15:29:41,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:41,467 INFO L124 PetriNetUnfolderBase]: 321/1901 cut-off events. [2024-10-24 15:29:41,467 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-10-24 15:29:41,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2758 conditions, 1901 events. 321/1901 cut-off events. For 19/27 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. [2024-10-24 15:29:41,475 INFO L140 encePairwiseOnDemand]: 405/411 looper letters, 95 selfloop transitions, 5 changer transitions 0/381 dead transitions. [2024-10-24 15:29:41,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 381 transitions, 995 flow [2024-10-24 15:29:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:41,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:41,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1829 transitions. [2024-10-24 15:29:41,479 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7416869424168694 [2024-10-24 15:29:41,479 INFO L175 Difference]: Start difference. First operand has 385 places, 382 transitions, 797 flow. Second operand 6 states and 1829 transitions. [2024-10-24 15:29:41,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 381 transitions, 995 flow [2024-10-24 15:29:41,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 381 transitions, 985 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:41,486 INFO L231 Difference]: Finished difference. Result has 384 places, 381 transitions, 795 flow [2024-10-24 15:29:41,487 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} [2024-10-24 15:29:41,488 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -2 predicate places. [2024-10-24 15:29:41,488 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 381 transitions, 795 flow [2024-10-24 15:29:41,489 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) [2024-10-24 15:29:41,489 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:41,489 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] [2024-10-24 15:29:41,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 15:29:41,489 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)] === [2024-10-24 15:29:41,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:41,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1442955761, now seen corresponding path program 1 times [2024-10-24 15:29:41,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:41,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929763046] [2024-10-24 15:29:41,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:41,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:41,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:41,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:41,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929763046] [2024-10-24 15:29:41,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929763046] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:41,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:41,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:41,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489766811] [2024-10-24 15:29:41,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:41,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:41,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:41,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:41,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:42,955 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 411 [2024-10-24 15:29:42,960 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) [2024-10-24 15:29:42,961 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:42,961 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 411 [2024-10-24 15:29:42,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:43,422 INFO L124 PetriNetUnfolderBase]: 321/1897 cut-off events. [2024-10-24 15:29:43,422 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-10-24 15:29:43,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2738 conditions, 1897 events. 321/1897 cut-off events. For 19/27 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. [2024-10-24 15:29:43,436 INFO L140 encePairwiseOnDemand]: 405/411 looper letters, 91 selfloop transitions, 5 changer transitions 0/380 dead transitions. [2024-10-24 15:29:43,436 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 380 transitions, 985 flow [2024-10-24 15:29:43,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:43,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:43,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1849 transitions. [2024-10-24 15:29:43,440 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7497972424979724 [2024-10-24 15:29:43,441 INFO L175 Difference]: Start difference. First operand has 384 places, 381 transitions, 795 flow. Second operand 6 states and 1849 transitions. [2024-10-24 15:29:43,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 380 transitions, 985 flow [2024-10-24 15:29:43,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 380 transitions, 975 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:43,455 INFO L231 Difference]: Finished difference. Result has 383 places, 380 transitions, 793 flow [2024-10-24 15:29:43,455 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} [2024-10-24 15:29:43,456 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -3 predicate places. [2024-10-24 15:29:43,457 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 380 transitions, 793 flow [2024-10-24 15:29:43,458 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) [2024-10-24 15:29:43,458 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:43,458 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] [2024-10-24 15:29:43,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 15:29:43,460 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)] === [2024-10-24 15:29:43,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:43,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1715652543, now seen corresponding path program 1 times [2024-10-24 15:29:43,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:43,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449555432] [2024-10-24 15:29:43,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:43,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:44,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:44,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:44,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449555432] [2024-10-24 15:29:44,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449555432] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:44,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:44,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:44,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117819823] [2024-10-24 15:29:44,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:44,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:44,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:44,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:44,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:44,587 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 411 [2024-10-24 15:29:44,589 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) [2024-10-24 15:29:44,589 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:44,589 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 411 [2024-10-24 15:29:44,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:44,864 INFO L124 PetriNetUnfolderBase]: 321/1893 cut-off events. [2024-10-24 15:29:44,865 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2024-10-24 15:29:44,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2734 conditions, 1893 events. 321/1893 cut-off events. For 15/23 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. [2024-10-24 15:29:44,871 INFO L140 encePairwiseOnDemand]: 405/411 looper letters, 91 selfloop transitions, 5 changer transitions 0/379 dead transitions. [2024-10-24 15:29:44,871 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 379 transitions, 983 flow [2024-10-24 15:29:44,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:44,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:44,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1849 transitions. [2024-10-24 15:29:44,875 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7497972424979724 [2024-10-24 15:29:44,877 INFO L175 Difference]: Start difference. First operand has 383 places, 380 transitions, 793 flow. Second operand 6 states and 1849 transitions. [2024-10-24 15:29:44,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 379 transitions, 983 flow [2024-10-24 15:29:44,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 379 transitions, 973 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:44,885 INFO L231 Difference]: Finished difference. Result has 382 places, 379 transitions, 791 flow [2024-10-24 15:29:44,885 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} [2024-10-24 15:29:44,886 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -4 predicate places. [2024-10-24 15:29:44,887 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 379 transitions, 791 flow [2024-10-24 15:29:44,888 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) [2024-10-24 15:29:44,888 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:44,888 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] [2024-10-24 15:29:44,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 15:29:44,888 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)] === [2024-10-24 15:29:44,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:44,889 INFO L85 PathProgramCache]: Analyzing trace with hash -664419616, now seen corresponding path program 1 times [2024-10-24 15:29:44,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:44,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476131694] [2024-10-24 15:29:44,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:44,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:45,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:45,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:45,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476131694] [2024-10-24 15:29:45,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476131694] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:45,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:29:45,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:29:45,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126498958] [2024-10-24 15:29:45,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:45,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:45,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:45,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:45,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:29:45,816 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 411 [2024-10-24 15:29:45,819 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) [2024-10-24 15:29:45,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:45,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 411 [2024-10-24 15:29:45,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:46,163 INFO L124 PetriNetUnfolderBase]: 321/1889 cut-off events. [2024-10-24 15:29:46,164 INFO L125 PetriNetUnfolderBase]: For 19/27 co-relation queries the response was YES. [2024-10-24 15:29:46,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2750 conditions, 1889 events. 321/1889 cut-off events. For 19/27 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. [2024-10-24 15:29:46,171 INFO L140 encePairwiseOnDemand]: 405/411 looper letters, 96 selfloop transitions, 5 changer transitions 0/378 dead transitions. [2024-10-24 15:29:46,171 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 378 transitions, 991 flow [2024-10-24 15:29:46,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:46,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:46,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1824 transitions. [2024-10-24 15:29:46,176 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7396593673965937 [2024-10-24 15:29:46,176 INFO L175 Difference]: Start difference. First operand has 382 places, 379 transitions, 791 flow. Second operand 6 states and 1824 transitions. [2024-10-24 15:29:46,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 378 transitions, 991 flow [2024-10-24 15:29:46,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 378 transitions, 981 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:46,182 INFO L231 Difference]: Finished difference. Result has 381 places, 378 transitions, 789 flow [2024-10-24 15:29:46,183 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} [2024-10-24 15:29:46,183 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, -5 predicate places. [2024-10-24 15:29:46,184 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 378 transitions, 789 flow [2024-10-24 15:29:46,185 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) [2024-10-24 15:29:46,185 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:46,185 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] [2024-10-24 15:29:46,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 15:29:46,185 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)] === [2024-10-24 15:29:46,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:46,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1691030675, now seen corresponding path program 1 times [2024-10-24 15:29:46,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:46,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999455956] [2024-10-24 15:29:46,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:46,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:46,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:46,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:46,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999455956] [2024-10-24 15:29:46,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999455956] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:29:46,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509860706] [2024-10-24 15:29:46,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:46,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:29:46,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:29:46,431 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) [2024-10-24 15:29:46,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 15:29:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:46,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 15:29:46,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:29:46,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:46,780 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:29:46,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:46,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509860706] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:29:46,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 15:29:46,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-24 15:29:46,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860199219] [2024-10-24 15:29:46,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 15:29:46,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 15:29:46,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:46,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 15:29:46,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-24 15:29:46,917 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 411 [2024-10-24 15:29:46,920 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) [2024-10-24 15:29:46,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:46,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 411 [2024-10-24 15:29:46,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:47,063 INFO L124 PetriNetUnfolderBase]: 16/910 cut-off events. [2024-10-24 15:29:47,064 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-10-24 15:29:47,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1024 conditions, 910 events. 16/910 cut-off events. For 7/8 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. [2024-10-24 15:29:47,066 INFO L140 encePairwiseOnDemand]: 405/411 looper letters, 19 selfloop transitions, 9 changer transitions 0/386 dead transitions. [2024-10-24 15:29:47,066 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 386 transitions, 863 flow [2024-10-24 15:29:47,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 15:29:47,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-24 15:29:47,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3360 transitions. [2024-10-24 15:29:47,071 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9083536090835361 [2024-10-24 15:29:47,071 INFO L175 Difference]: Start difference. First operand has 381 places, 378 transitions, 789 flow. Second operand 9 states and 3360 transitions. [2024-10-24 15:29:47,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 386 transitions, 863 flow [2024-10-24 15:29:47,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 386 transitions, 853 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:47,076 INFO L231 Difference]: Finished difference. Result has 387 places, 384 transitions, 829 flow [2024-10-24 15:29:47,076 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} [2024-10-24 15:29:47,077 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 1 predicate places. [2024-10-24 15:29:47,077 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 384 transitions, 829 flow [2024-10-24 15:29:47,078 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) [2024-10-24 15:29:47,078 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:47,079 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] [2024-10-24 15:29:47,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 15:29:47,279 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 [2024-10-24 15:29:47,280 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)] === [2024-10-24 15:29:47,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:47,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1097239219, now seen corresponding path program 2 times [2024-10-24 15:29:47,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:47,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322488668] [2024-10-24 15:29:47,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:47,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:47,606 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-10-24 15:29:47,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:47,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322488668] [2024-10-24 15:29:47,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322488668] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:29:47,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384080666] [2024-10-24 15:29:47,607 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 15:29:47,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:29:47,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:29:47,609 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) [2024-10-24 15:29:47,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 15:29:47,793 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 15:29:47,793 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 15:29:47,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-24 15:29:47,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:29:47,846 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 [2024-10-24 15:29:47,863 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 [2024-10-24 15:29:47,896 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:29:47,897 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 [2024-10-24 15:29:47,924 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:29:47,924 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 [2024-10-24 15:29:47,943 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-10-24 15:29:47,944 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:29:47,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384080666] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:47,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 15:29:47,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-10-24 15:29:47,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169089303] [2024-10-24 15:29:47,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:47,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:47,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:47,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:47,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-24 15:29:48,458 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 411 [2024-10-24 15:29:48,459 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) [2024-10-24 15:29:48,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:48,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 411 [2024-10-24 15:29:48,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:48,742 INFO L124 PetriNetUnfolderBase]: 84/1227 cut-off events. [2024-10-24 15:29:48,742 INFO L125 PetriNetUnfolderBase]: For 18/22 co-relation queries the response was YES. [2024-10-24 15:29:48,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1651 conditions, 1227 events. 84/1227 cut-off events. For 18/22 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. [2024-10-24 15:29:48,745 INFO L140 encePairwiseOnDemand]: 405/411 looper letters, 62 selfloop transitions, 5 changer transitions 0/383 dead transitions. [2024-10-24 15:29:48,745 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 383 transitions, 961 flow [2024-10-24 15:29:48,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:48,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:48,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1994 transitions. [2024-10-24 15:29:48,750 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8085969180859692 [2024-10-24 15:29:48,750 INFO L175 Difference]: Start difference. First operand has 387 places, 384 transitions, 829 flow. Second operand 6 states and 1994 transitions. [2024-10-24 15:29:48,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 383 transitions, 961 flow [2024-10-24 15:29:48,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 383 transitions, 955 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-10-24 15:29:48,756 INFO L231 Difference]: Finished difference. Result has 390 places, 383 transitions, 831 flow [2024-10-24 15:29:48,757 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} [2024-10-24 15:29:48,757 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 4 predicate places. [2024-10-24 15:29:48,757 INFO L471 AbstractCegarLoop]: Abstraction has has 390 places, 383 transitions, 831 flow [2024-10-24 15:29:48,758 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) [2024-10-24 15:29:48,758 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:48,759 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] [2024-10-24 15:29:48,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 15:29:48,959 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 [2024-10-24 15:29:48,961 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)] === [2024-10-24 15:29:48,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:48,962 INFO L85 PathProgramCache]: Analyzing trace with hash 552292230, now seen corresponding path program 1 times [2024-10-24 15:29:48,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:48,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137599285] [2024-10-24 15:29:48,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:48,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:49,311 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-10-24 15:29:49,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:49,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137599285] [2024-10-24 15:29:49,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137599285] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:29:49,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271200169] [2024-10-24 15:29:49,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:49,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:29:49,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:29:49,313 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) [2024-10-24 15:29:49,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 15:29:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:49,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 1313 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 15:29:49,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:29:49,924 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:49,925 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:29:50,224 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:29:50,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271200169] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:29:50,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 15:29:50,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-10-24 15:29:50,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396850484] [2024-10-24 15:29:50,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 15:29:50,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-24 15:29:50,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:50,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-24 15:29:50,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-10-24 15:29:50,306 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 411 [2024-10-24 15:29:50,311 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) [2024-10-24 15:29:50,311 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:50,311 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 411 [2024-10-24 15:29:50,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:51,477 INFO L124 PetriNetUnfolderBase]: 17/2289 cut-off events. [2024-10-24 15:29:51,478 INFO L125 PetriNetUnfolderBase]: For 81/82 co-relation queries the response was YES. [2024-10-24 15:29:51,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2585 conditions, 2289 events. 17/2289 cut-off events. For 81/82 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. [2024-10-24 15:29:51,481 INFO L140 encePairwiseOnDemand]: 400/411 looper letters, 51 selfloop transitions, 68 changer transitions 0/469 dead transitions. [2024-10-24 15:29:51,481 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 469 transitions, 1479 flow [2024-10-24 15:29:51,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-10-24 15:29:51,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-10-24 15:29:51,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 23064 transitions. [2024-10-24 15:29:51,502 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8907426717645696 [2024-10-24 15:29:51,502 INFO L175 Difference]: Start difference. First operand has 390 places, 383 transitions, 831 flow. Second operand 63 states and 23064 transitions. [2024-10-24 15:29:51,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 469 transitions, 1479 flow [2024-10-24 15:29:51,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 469 transitions, 1469 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:29:51,510 INFO L231 Difference]: Finished difference. Result has 463 places, 445 transitions, 1341 flow [2024-10-24 15:29:51,510 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} [2024-10-24 15:29:51,511 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 77 predicate places. [2024-10-24 15:29:51,511 INFO L471 AbstractCegarLoop]: Abstraction has has 463 places, 445 transitions, 1341 flow [2024-10-24 15:29:51,513 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) [2024-10-24 15:29:51,513 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:51,514 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] [2024-10-24 15:29:51,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 15:29:51,718 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 [2024-10-24 15:29:51,719 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)] === [2024-10-24 15:29:51,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:51,720 INFO L85 PathProgramCache]: Analyzing trace with hash -127848191, now seen corresponding path program 2 times [2024-10-24 15:29:51,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:51,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346098430] [2024-10-24 15:29:51,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:51,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:54,182 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-10-24 15:29:54,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:54,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346098430] [2024-10-24 15:29:54,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346098430] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:29:54,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657063505] [2024-10-24 15:29:54,183 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 15:29:54,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:29:54,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:29:54,184 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) [2024-10-24 15:29:54,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 15:29:54,882 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 15:29:54,882 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 15:29:54,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 15:29:54,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:29:54,934 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 [2024-10-24 15:29:54,958 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 [2024-10-24 15:29:54,997 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:29:54,997 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 [2024-10-24 15:29:55,055 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:29:55,056 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 [2024-10-24 15:29:55,098 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2024-10-24 15:29:55,098 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:29:55,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657063505] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:29:55,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 15:29:55,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-10-24 15:29:55,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079215984] [2024-10-24 15:29:55,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:29:55,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:29:55,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:29:55,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:29:55,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-10-24 15:29:55,581 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 411 [2024-10-24 15:29:55,583 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) [2024-10-24 15:29:55,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:29:55,583 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 411 [2024-10-24 15:29:55,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:29:56,308 INFO L124 PetriNetUnfolderBase]: 85/2606 cut-off events. [2024-10-24 15:29:56,309 INFO L125 PetriNetUnfolderBase]: For 440/444 co-relation queries the response was YES. [2024-10-24 15:29:56,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3736 conditions, 2606 events. 85/2606 cut-off events. For 440/444 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. [2024-10-24 15:29:56,314 INFO L140 encePairwiseOnDemand]: 405/411 looper letters, 62 selfloop transitions, 5 changer transitions 0/444 dead transitions. [2024-10-24 15:29:56,314 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 444 transitions, 1473 flow [2024-10-24 15:29:56,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:29:56,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:29:56,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1994 transitions. [2024-10-24 15:29:56,316 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8085969180859692 [2024-10-24 15:29:56,316 INFO L175 Difference]: Start difference. First operand has 463 places, 445 transitions, 1341 flow. Second operand 6 states and 1994 transitions. [2024-10-24 15:29:56,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 444 transitions, 1473 flow [2024-10-24 15:29:56,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 444 transitions, 1397 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-10-24 15:29:56,324 INFO L231 Difference]: Finished difference. Result has 460 places, 444 transitions, 1273 flow [2024-10-24 15:29:56,325 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} [2024-10-24 15:29:56,325 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 74 predicate places. [2024-10-24 15:29:56,325 INFO L471 AbstractCegarLoop]: Abstraction has has 460 places, 444 transitions, 1273 flow [2024-10-24 15:29:56,326 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) [2024-10-24 15:29:56,326 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:29:56,326 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] [2024-10-24 15:29:56,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 15:29:56,530 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 [2024-10-24 15:29:56,531 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)] === [2024-10-24 15:29:56,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:29:56,532 INFO L85 PathProgramCache]: Analyzing trace with hash -323139907, now seen corresponding path program 1 times [2024-10-24 15:29:56,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:29:56,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673614821] [2024-10-24 15:29:56,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:56,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:29:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:29:59,015 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-10-24 15:29:59,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:29:59,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673614821] [2024-10-24 15:29:59,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673614821] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:29:59,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954892784] [2024-10-24 15:29:59,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:29:59,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:29:59,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:29:59,018 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) [2024-10-24 15:29:59,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 15:30:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:00,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 5536 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-24 15:30:00,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:30:00,733 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-10-24 15:30:00,737 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:30:01,581 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-10-24 15:30:01,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954892784] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:30:01,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 15:30:01,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-10-24 15:30:01,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761291295] [2024-10-24 15:30:01,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 15:30:01,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-10-24 15:30:01,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:01,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-24 15:30:01,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-10-24 15:30:01,678 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 411 [2024-10-24 15:30:01,692 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) [2024-10-24 15:30:01,692 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:01,692 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 411 [2024-10-24 15:30:01,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:03,807 INFO L124 PetriNetUnfolderBase]: 17/4448 cut-off events. [2024-10-24 15:30:03,807 INFO L125 PetriNetUnfolderBase]: For 3212/3213 co-relation queries the response was YES. [2024-10-24 15:30:03,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5244 conditions, 4448 events. 17/4448 cut-off events. For 3212/3213 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. [2024-10-24 15:30:03,816 INFO L140 encePairwiseOnDemand]: 405/411 looper letters, 51 selfloop transitions, 135 changer transitions 0/545 dead transitions. [2024-10-24 15:30:03,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 545 transitions, 2409 flow [2024-10-24 15:30:03,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-24 15:30:03,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-10-24 15:30:03,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 16734 transitions. [2024-10-24 15:30:03,826 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9047850770478507 [2024-10-24 15:30:03,826 INFO L175 Difference]: Start difference. First operand has 460 places, 444 transitions, 1273 flow. Second operand 45 states and 16734 transitions. [2024-10-24 15:30:03,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 545 transitions, 2409 flow [2024-10-24 15:30:03,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 499 places, 545 transitions, 2399 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:30:03,842 INFO L231 Difference]: Finished difference. Result has 508 places, 519 transitions, 2137 flow [2024-10-24 15:30:03,843 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} [2024-10-24 15:30:03,844 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 122 predicate places. [2024-10-24 15:30:03,844 INFO L471 AbstractCegarLoop]: Abstraction has has 508 places, 519 transitions, 2137 flow [2024-10-24 15:30:03,846 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) [2024-10-24 15:30:03,846 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:03,847 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] [2024-10-24 15:30:03,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 15:30:04,052 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 [2024-10-24 15:30:04,053 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)] === [2024-10-24 15:30:04,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:04,053 INFO L85 PathProgramCache]: Analyzing trace with hash 907228275, now seen corresponding path program 1 times [2024-10-24 15:30:04,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:04,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029573039] [2024-10-24 15:30:04,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:04,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:07,913 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39241 trivial. 0 not checked. [2024-10-24 15:30:07,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:07,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029573039] [2024-10-24 15:30:07,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029573039] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:07,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:30:07,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:30:07,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611579500] [2024-10-24 15:30:07,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:07,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:30:07,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:07,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:30:07,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:30:07,941 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 411 [2024-10-24 15:30:07,942 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) [2024-10-24 15:30:07,943 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:07,943 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 411 [2024-10-24 15:30:07,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:09,785 INFO L124 PetriNetUnfolderBase]: 47/4722 cut-off events. [2024-10-24 15:30:09,786 INFO L125 PetriNetUnfolderBase]: For 1229/1233 co-relation queries the response was YES. [2024-10-24 15:30:09,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5606 conditions, 4722 events. 47/4722 cut-off events. For 1229/1233 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. [2024-10-24 15:30:09,794 INFO L140 encePairwiseOnDemand]: 408/411 looper letters, 22 selfloop transitions, 2 changer transitions 0/527 dead transitions. [2024-10-24 15:30:09,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 510 places, 527 transitions, 2201 flow [2024-10-24 15:30:09,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:30:09,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:30:09,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1144 transitions. [2024-10-24 15:30:09,796 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9278183292781833 [2024-10-24 15:30:09,796 INFO L175 Difference]: Start difference. First operand has 508 places, 519 transitions, 2137 flow. Second operand 3 states and 1144 transitions. [2024-10-24 15:30:09,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 510 places, 527 transitions, 2201 flow [2024-10-24 15:30:09,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 527 transitions, 2093 flow, removed 0 selfloop flow, removed 18 redundant places. [2024-10-24 15:30:09,813 INFO L231 Difference]: Finished difference. Result has 493 places, 519 transitions, 2037 flow [2024-10-24 15:30:09,813 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} [2024-10-24 15:30:09,813 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 107 predicate places. [2024-10-24 15:30:09,814 INFO L471 AbstractCegarLoop]: Abstraction has has 493 places, 519 transitions, 2037 flow [2024-10-24 15:30:09,814 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) [2024-10-24 15:30:09,814 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:09,815 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] [2024-10-24 15:30:09,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 15:30:09,815 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)] === [2024-10-24 15:30:09,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:09,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1438112835, now seen corresponding path program 2 times [2024-10-24 15:30:09,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:09,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356120114] [2024-10-24 15:30:09,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:09,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:19,286 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-10-24 15:30:19,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:19,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356120114] [2024-10-24 15:30:19,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356120114] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:30:19,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173823328] [2024-10-24 15:30:19,286 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 15:30:19,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:30:19,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:30:19,291 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) [2024-10-24 15:30:19,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 15:30:20,721 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 15:30:20,723 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 15:30:20,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-24 15:30:20,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:30:20,970 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 [2024-10-24 15:30:20,998 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 [2024-10-24 15:30:21,030 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:30:21,031 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 [2024-10-24 15:30:21,071 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 15:30:21,072 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 [2024-10-24 15:30:21,117 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39241 trivial. 0 not checked. [2024-10-24 15:30:21,117 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 15:30:21,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173823328] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:30:21,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 15:30:21,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [33] total 41 [2024-10-24 15:30:21,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785220305] [2024-10-24 15:30:21,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:30:21,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 15:30:21,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:21,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 15:30:21,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=1321, Unknown=0, NotChecked=0, Total=1640 [2024-10-24 15:30:21,660 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 411 [2024-10-24 15:30:21,662 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) [2024-10-24 15:30:21,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:21,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 411 [2024-10-24 15:30:21,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:26,255 INFO L124 PetriNetUnfolderBase]: 630/6728 cut-off events. [2024-10-24 15:30:26,256 INFO L125 PetriNetUnfolderBase]: For 1289/1305 co-relation queries the response was YES. [2024-10-24 15:30:26,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10311 conditions, 6728 events. 630/6728 cut-off events. For 1289/1305 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. [2024-10-24 15:30:26,275 INFO L140 encePairwiseOnDemand]: 393/411 looper letters, 178 selfloop transitions, 18 changer transitions 0/600 dead transitions. [2024-10-24 15:30:26,275 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 600 transitions, 2594 flow [2024-10-24 15:30:26,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 15:30:26,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-24 15:30:26,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2917 transitions. [2024-10-24 15:30:26,278 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7097323600973237 [2024-10-24 15:30:26,278 INFO L175 Difference]: Start difference. First operand has 493 places, 519 transitions, 2037 flow. Second operand 10 states and 2917 transitions. [2024-10-24 15:30:26,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 600 transitions, 2594 flow [2024-10-24 15:30:26,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 500 places, 600 transitions, 2588 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:30:26,292 INFO L231 Difference]: Finished difference. Result has 505 places, 525 transitions, 2107 flow [2024-10-24 15:30:26,292 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} [2024-10-24 15:30:26,293 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 119 predicate places. [2024-10-24 15:30:26,293 INFO L471 AbstractCegarLoop]: Abstraction has has 505 places, 525 transitions, 2107 flow [2024-10-24 15:30:26,293 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) [2024-10-24 15:30:26,294 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:26,294 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] [2024-10-24 15:30:26,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-24 15:30:26,501 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 [2024-10-24 15:30:26,503 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)] === [2024-10-24 15:30:26,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:26,503 INFO L85 PathProgramCache]: Analyzing trace with hash 2113455287, now seen corresponding path program 1 times [2024-10-24 15:30:26,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:26,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501028937] [2024-10-24 15:30:26,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:26,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:35,188 INFO L134 CoverageAnalysis]: Checked inductivity of 39251 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9480 trivial. 0 not checked. [2024-10-24 15:30:35,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:30:35,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501028937] [2024-10-24 15:30:35,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501028937] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 15:30:35,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981513027] [2024-10-24 15:30:35,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:35,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:30:35,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:30:35,193 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) [2024-10-24 15:30:35,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 15:30:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:30:37,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 11477 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-24 15:30:37,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 15:30:39,071 INFO L134 CoverageAnalysis]: Checked inductivity of 39251 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9480 trivial. 0 not checked. [2024-10-24 15:30:39,071 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 15:30:41,019 INFO L134 CoverageAnalysis]: Checked inductivity of 39251 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9480 trivial. 0 not checked. [2024-10-24 15:30:41,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981513027] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 15:30:41,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 15:30:41,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-10-24 15:30:41,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182231121] [2024-10-24 15:30:41,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 15:30:41,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-10-24 15:30:41,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:30:41,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-10-24 15:30:41,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-10-24 15:30:41,074 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 411 [2024-10-24 15:30:41,085 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) [2024-10-24 15:30:41,085 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:30:41,085 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 411 [2024-10-24 15:30:41,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:30:48,856 INFO L124 PetriNetUnfolderBase]: 25/8622 cut-off events. [2024-10-24 15:30:48,857 INFO L125 PetriNetUnfolderBase]: For 13382/13384 co-relation queries the response was YES. [2024-10-24 15:30:48,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10591 conditions, 8622 events. 25/8622 cut-off events. For 13382/13384 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1995 event pairs, 9 based on Foata normal form. 45/8629 useless extension candidates. Maximal degree in co-relation 10151. Up to 168 conditions per place. [2024-10-24 15:30:48,880 INFO L140 encePairwiseOnDemand]: 405/411 looper letters, 96 selfloop transitions, 270 changer transitions 0/731 dead transitions. [2024-10-24 15:30:48,880 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 594 places, 731 transitions, 5025 flow [2024-10-24 15:30:48,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-10-24 15:30:48,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2024-10-24 15:30:48,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 33451 transitions. [2024-10-24 15:30:48,894 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9043254933765883 [2024-10-24 15:30:48,894 INFO L175 Difference]: Start difference. First operand has 505 places, 525 transitions, 2107 flow. Second operand 90 states and 33451 transitions. [2024-10-24 15:30:48,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 594 places, 731 transitions, 5025 flow [2024-10-24 15:30:48,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 590 places, 731 transitions, 5002 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-24 15:30:48,917 INFO L231 Difference]: Finished difference. Result has 606 places, 663 transitions, 4076 flow [2024-10-24 15:30:48,917 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=411, PETRI_DIFFERENCE_MINUEND_FLOW=2084, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=525, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=90, PETRI_FLOW=4076, PETRI_PLACES=606, PETRI_TRANSITIONS=663} [2024-10-24 15:30:48,918 INFO L277 CegarLoopForPetriNet]: 386 programPoint places, 220 predicate places. [2024-10-24 15:30:48,918 INFO L471 AbstractCegarLoop]: Abstraction has has 606 places, 663 transitions, 4076 flow [2024-10-24 15:30:48,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2024-10-24 15:30:48,922 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:30:48,923 INFO L204 CegarLoopForPetriNet]: trace histogram [60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:30:48,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-24 15:30:49,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 15:30:49,128 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-10-24 15:30:49,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:30:49,129 INFO L85 PathProgramCache]: Analyzing trace with hash 750950231, now seen corresponding path program 2 times [2024-10-24 15:30:49,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:30:49,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976586438] [2024-10-24 15:30:49,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:30:49,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:30:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat