./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/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 ../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.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.graphml --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 dbdd132d1a656eb04120c9309772a096548e218c86a32fc06dd93d5ae981c163 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 01:01:45,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 01:01:45,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 01:01:45,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 01:01:45,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 01:01:45,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 01:01:45,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 01:01:45,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 01:01:45,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 01:01:45,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 01:01:45,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 01:01:45,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 01:01:45,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 01:01:45,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 01:01:45,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 01:01:45,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 01:01:45,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 01:01:45,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 01:01:45,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 01:01:45,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 01:01:45,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 01:01:45,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 01:01:45,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 01:01:45,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 01:01:45,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 01:01:45,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 01:01:45,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 01:01:45,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 01:01:45,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 01:01:45,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 01:01:45,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 01:01:45,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 01:01:45,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 01:01:45,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 01:01:45,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 01:01:45,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 01:01:45,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 01:01:45,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 01:01:45,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 01:01:45,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 01:01:45,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 01:01:45,828 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 01:01:45,859 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 01:01:45,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 01:01:45,861 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 01:01:45,861 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 01:01:45,862 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 01:01:45,862 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 01:01:45,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 01:01:45,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 01:01:45,863 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 01:01:45,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 01:01:45,864 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 01:01:45,864 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 01:01:45,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 01:01:45,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 01:01:45,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 01:01:45,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 01:01:45,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 01:01:45,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 01:01:45,866 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 01:01:45,867 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 01:01:45,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 01:01:45,867 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 01:01:45,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 01:01:45,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 01:01:45,868 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 01:01:45,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 01:01:45,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:01:45,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 01:01:45,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 01:01:45,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 01:01:45,869 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 01:01:45,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 01:01:45,869 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 01:01:45,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 01:01:45,870 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 01:01:45,870 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 01:01:45,870 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 01:01:45,870 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbdd132d1a656eb04120c9309772a096548e218c86a32fc06dd93d5ae981c163 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 01:01:46,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 01:01:46,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 01:01:46,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 01:01:46,147 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 01:01:46,148 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 01:01:46,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2023-08-29 01:01:47,204 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 01:01:47,493 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 01:01:47,493 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2023-08-29 01:01:47,508 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd991395d/cffe0825accc4c97834049da39e5a734/FLAGf407f8a28 [2023-08-29 01:01:47,524 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd991395d/cffe0825accc4c97834049da39e5a734 [2023-08-29 01:01:47,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 01:01:47,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 01:01:47,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 01:01:47,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 01:01:47,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 01:01:47,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:01:47" (1/1) ... [2023-08-29 01:01:47,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f72ac51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:47, skipping insertion in model container [2023-08-29 01:01:47,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:01:47" (1/1) ... [2023-08-29 01:01:47,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 01:01:47,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 01:01:47,715 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-29 01:01:48,292 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i[75002,75015] [2023-08-29 01:01:48,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:01:48,359 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 01:01:48,368 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-29 01:01:48,400 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i[75002,75015] [2023-08-29 01:01:48,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:01:48,534 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:01:48,535 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:01:48,535 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:01:48,541 INFO L208 MainTranslator]: Completed translation [2023-08-29 01:01:48,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:48 WrapperNode [2023-08-29 01:01:48,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 01:01:48,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 01:01:48,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 01:01:48,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 01:01:48,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:48" (1/1) ... [2023-08-29 01:01:48,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:48" (1/1) ... [2023-08-29 01:01:48,625 INFO L138 Inliner]: procedures = 468, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 174 [2023-08-29 01:01:48,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 01:01:48,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 01:01:48,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 01:01:48,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 01:01:48,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:48" (1/1) ... [2023-08-29 01:01:48,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:48" (1/1) ... [2023-08-29 01:01:48,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:48" (1/1) ... [2023-08-29 01:01:48,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:48" (1/1) ... [2023-08-29 01:01:48,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:48" (1/1) ... [2023-08-29 01:01:48,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:48" (1/1) ... [2023-08-29 01:01:48,668 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:48" (1/1) ... [2023-08-29 01:01:48,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:48" (1/1) ... [2023-08-29 01:01:48,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 01:01:48,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 01:01:48,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 01:01:48,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 01:01:48,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:48" (1/1) ... [2023-08-29 01:01:48,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:01:48,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:01:48,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 01:01:48,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 01:01:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 01:01:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 01:01:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 01:01:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 01:01:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 01:01:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 01:01:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 01:01:48,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 01:01:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-29 01:01:48,761 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-29 01:01:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 01:01:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 01:01:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 01:01:48,762 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 01:01:49,096 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 01:01:49,097 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 01:01:49,439 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 01:01:49,503 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 01:01:49,504 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 01:01:49,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:01:49 BoogieIcfgContainer [2023-08-29 01:01:49,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 01:01:49,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 01:01:49,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 01:01:49,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 01:01:49,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 01:01:47" (1/3) ... [2023-08-29 01:01:49,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7561255a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:01:49, skipping insertion in model container [2023-08-29 01:01:49,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:01:48" (2/3) ... [2023-08-29 01:01:49,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7561255a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:01:49, skipping insertion in model container [2023-08-29 01:01:49,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:01:49" (3/3) ... [2023-08-29 01:01:49,514 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2023-08-29 01:01:49,521 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 01:01:49,530 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 01:01:49,530 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2023-08-29 01:01:49,530 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 01:01:49,604 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 01:01:49,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 217 places, 217 transitions, 450 flow [2023-08-29 01:01:49,740 INFO L130 PetriNetUnfolder]: 8/287 cut-off events. [2023-08-29 01:01:49,740 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 01:01:49,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 287 events. 8/287 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 538 event pairs, 0 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 152. Up to 4 conditions per place. [2023-08-29 01:01:49,746 INFO L82 GeneralOperation]: Start removeDead. Operand has 217 places, 217 transitions, 450 flow [2023-08-29 01:01:49,751 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 215 places, 214 transitions, 440 flow [2023-08-29 01:01:49,754 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 01:01:49,762 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 215 places, 214 transitions, 440 flow [2023-08-29 01:01:49,764 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 215 places, 214 transitions, 440 flow [2023-08-29 01:01:49,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 215 places, 214 transitions, 440 flow [2023-08-29 01:01:49,808 INFO L130 PetriNetUnfolder]: 7/286 cut-off events. [2023-08-29 01:01:49,809 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 01:01:49,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 295 conditions, 286 events. 7/286 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 547 event pairs, 0 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 151. Up to 4 conditions per place. [2023-08-29 01:01:49,812 INFO L119 LiptonReduction]: Number of co-enabled transitions 4680 [2023-08-29 01:02:15,234 WARN L222 SmtUtils]: Spent 6.47s on a formula simplification. DAG size of input: 181 DAG size of output: 178 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:02:34,000 INFO L134 LiptonReduction]: Checked pairs total: 27136 [2023-08-29 01:02:34,000 INFO L136 LiptonReduction]: Total number of compositions: 201 [2023-08-29 01:02:34,012 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 01:02:34,016 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@755d0444, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 01:02:34,017 INFO L358 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2023-08-29 01:02:34,018 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 01:02:34,018 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:02:34,019 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:02:34,019 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 01:02:34,019 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:02:34,023 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:02:34,024 INFO L85 PathProgramCache]: Analyzing trace with hash 738, now seen corresponding path program 1 times [2023-08-29 01:02:34,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:02:34,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960126893] [2023-08-29 01:02:34,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:02:34,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:02:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:02:34,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:02:34,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:02:34,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960126893] [2023-08-29 01:02:34,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960126893] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:02:34,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:02:34,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 01:02:34,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270108416] [2023-08-29 01:02:34,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:02:34,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 01:02:34,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:02:34,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 01:02:34,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 01:02:34,230 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 418 [2023-08-29 01:02:34,234 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 71 transitions, 154 flow. Second operand has 2 states, 2 states have (on average 193.5) internal successors, (387), 2 states have internal predecessors, (387), 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) [2023-08-29 01:02:34,237 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:02:34,237 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 418 [2023-08-29 01:02:34,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:02:34,530 INFO L130 PetriNetUnfolder]: 265/860 cut-off events. [2023-08-29 01:02:34,530 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2023-08-29 01:02:34,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1352 conditions, 860 events. 265/860 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4986 event pairs, 264 based on Foata normal form. 34/810 useless extension candidates. Maximal degree in co-relation 1220. Up to 474 conditions per place. [2023-08-29 01:02:34,538 INFO L137 encePairwiseOnDemand]: 406/418 looper letters, 24 selfloop transitions, 0 changer transitions 2/59 dead transitions. [2023-08-29 01:02:34,539 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 59 transitions, 182 flow [2023-08-29 01:02:34,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 01:02:34,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 01:02:34,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 424 transitions. [2023-08-29 01:02:34,551 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.507177033492823 [2023-08-29 01:02:34,552 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 424 transitions. [2023-08-29 01:02:34,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 424 transitions. [2023-08-29 01:02:34,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:02:34,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 424 transitions. [2023-08-29 01:02:34,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 212.0) internal successors, (424), 2 states have internal predecessors, (424), 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) [2023-08-29 01:02:34,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 418.0) internal successors, (1254), 3 states have internal predecessors, (1254), 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) [2023-08-29 01:02:34,568 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 418.0) internal successors, (1254), 3 states have internal predecessors, (1254), 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) [2023-08-29 01:02:34,569 INFO L175 Difference]: Start difference. First operand has 74 places, 71 transitions, 154 flow. Second operand 2 states and 424 transitions. [2023-08-29 01:02:34,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 59 transitions, 182 flow [2023-08-29 01:02:34,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 59 transitions, 174 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 01:02:34,574 INFO L231 Difference]: Finished difference. Result has 61 places, 57 transitions, 118 flow [2023-08-29 01:02:34,576 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=118, PETRI_PLACES=61, PETRI_TRANSITIONS=57} [2023-08-29 01:02:34,579 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -13 predicate places. [2023-08-29 01:02:34,580 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 57 transitions, 118 flow [2023-08-29 01:02:34,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 193.5) internal successors, (387), 2 states have internal predecessors, (387), 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) [2023-08-29 01:02:34,580 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:02:34,580 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:02:34,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 01:02:34,581 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:02:34,581 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:02:34,582 INFO L85 PathProgramCache]: Analyzing trace with hash -2004010624, now seen corresponding path program 1 times [2023-08-29 01:02:34,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:02:34,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836924476] [2023-08-29 01:02:34,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:02:34,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:02:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:02:35,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:02:35,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:02:35,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836924476] [2023-08-29 01:02:35,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836924476] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:02:35,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:02:35,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:02:35,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538597149] [2023-08-29 01:02:35,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:02:35,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:02:35,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:02:35,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:02:35,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:02:35,513 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 418 [2023-08-29 01:02:35,515 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 57 transitions, 118 flow. Second operand has 6 states, 6 states have (on average 157.16666666666666) internal successors, (943), 6 states have internal predecessors, (943), 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) [2023-08-29 01:02:35,515 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:02:35,515 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 418 [2023-08-29 01:02:35,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:02:35,952 INFO L130 PetriNetUnfolder]: 673/1395 cut-off events. [2023-08-29 01:02:35,952 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2023-08-29 01:02:35,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2577 conditions, 1395 events. 673/1395 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 6978 event pairs, 474 based on Foata normal form. 0/1327 useless extension candidates. Maximal degree in co-relation 2574. Up to 1074 conditions per place. [2023-08-29 01:02:35,958 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 40 selfloop transitions, 31 changer transitions 0/86 dead transitions. [2023-08-29 01:02:35,958 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 86 transitions, 318 flow [2023-08-29 01:02:35,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:02:35,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:02:35,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1008 transitions. [2023-08-29 01:02:35,964 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4019138755980861 [2023-08-29 01:02:35,964 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1008 transitions. [2023-08-29 01:02:35,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1008 transitions. [2023-08-29 01:02:35,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:02:35,965 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1008 transitions. [2023-08-29 01:02:35,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 168.0) internal successors, (1008), 6 states have internal predecessors, (1008), 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) [2023-08-29 01:02:35,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 418.0) internal successors, (2926), 7 states have internal predecessors, (2926), 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) [2023-08-29 01:02:35,974 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 418.0) internal successors, (2926), 7 states have internal predecessors, (2926), 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) [2023-08-29 01:02:35,974 INFO L175 Difference]: Start difference. First operand has 61 places, 57 transitions, 118 flow. Second operand 6 states and 1008 transitions. [2023-08-29 01:02:35,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 86 transitions, 318 flow [2023-08-29 01:02:35,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 86 transitions, 318 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:02:35,976 INFO L231 Difference]: Finished difference. Result has 69 places, 86 transitions, 324 flow [2023-08-29 01:02:35,977 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=324, PETRI_PLACES=69, PETRI_TRANSITIONS=86} [2023-08-29 01:02:35,977 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -5 predicate places. [2023-08-29 01:02:35,978 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 86 transitions, 324 flow [2023-08-29 01:02:35,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 157.16666666666666) internal successors, (943), 6 states have internal predecessors, (943), 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) [2023-08-29 01:02:35,978 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:02:35,979 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:02:35,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 01:02:35,979 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:02:35,979 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:02:35,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1547817059, now seen corresponding path program 1 times [2023-08-29 01:02:35,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:02:35,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303619548] [2023-08-29 01:02:35,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:02:35,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:02:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:02:36,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:02:36,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:02:36,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303619548] [2023-08-29 01:02:36,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303619548] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:02:36,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:02:36,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:02:36,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654693583] [2023-08-29 01:02:36,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:02:36,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:02:36,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:02:36,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:02:36,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:02:36,076 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 418 [2023-08-29 01:02:36,077 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 86 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 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) [2023-08-29 01:02:36,077 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:02:36,077 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 418 [2023-08-29 01:02:36,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:02:36,391 INFO L130 PetriNetUnfolder]: 447/1122 cut-off events. [2023-08-29 01:02:36,391 INFO L131 PetriNetUnfolder]: For 493/493 co-relation queries the response was YES. [2023-08-29 01:02:36,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2645 conditions, 1122 events. 447/1122 cut-off events. For 493/493 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 6130 event pairs, 261 based on Foata normal form. 0/1074 useless extension candidates. Maximal degree in co-relation 2637. Up to 635 conditions per place. [2023-08-29 01:02:36,397 INFO L137 encePairwiseOnDemand]: 415/418 looper letters, 48 selfloop transitions, 2 changer transitions 0/87 dead transitions. [2023-08-29 01:02:36,397 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 87 transitions, 426 flow [2023-08-29 01:02:36,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:02:36,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:02:36,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 596 transitions. [2023-08-29 01:02:36,400 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47527910685805425 [2023-08-29 01:02:36,401 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 596 transitions. [2023-08-29 01:02:36,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 596 transitions. [2023-08-29 01:02:36,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:02:36,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 596 transitions. [2023-08-29 01:02:36,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 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) [2023-08-29 01:02:36,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 418.0) internal successors, (1672), 4 states have internal predecessors, (1672), 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) [2023-08-29 01:02:36,406 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 418.0) internal successors, (1672), 4 states have internal predecessors, (1672), 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) [2023-08-29 01:02:36,406 INFO L175 Difference]: Start difference. First operand has 69 places, 86 transitions, 324 flow. Second operand 3 states and 596 transitions. [2023-08-29 01:02:36,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 87 transitions, 426 flow [2023-08-29 01:02:36,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 87 transitions, 426 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:02:36,411 INFO L231 Difference]: Finished difference. Result has 72 places, 87 transitions, 336 flow [2023-08-29 01:02:36,411 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=72, PETRI_TRANSITIONS=87} [2023-08-29 01:02:36,412 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -2 predicate places. [2023-08-29 01:02:36,412 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 87 transitions, 336 flow [2023-08-29 01:02:36,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 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) [2023-08-29 01:02:36,413 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:02:36,413 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:02:36,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 01:02:36,413 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:02:36,414 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:02:36,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1538200307, now seen corresponding path program 1 times [2023-08-29 01:02:36,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:02:36,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462106509] [2023-08-29 01:02:36,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:02:36,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:02:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:02:36,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:02:36,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:02:36,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462106509] [2023-08-29 01:02:36,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462106509] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:02:36,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:02:36,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:02:36,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535586703] [2023-08-29 01:02:36,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:02:36,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:02:36,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:02:36,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:02:36,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:02:37,068 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 418 [2023-08-29 01:02:37,069 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 87 transitions, 336 flow. Second operand has 6 states, 6 states have (on average 171.83333333333334) internal successors, (1031), 6 states have internal predecessors, (1031), 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) [2023-08-29 01:02:37,069 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:02:37,069 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 418 [2023-08-29 01:02:37,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:02:37,764 INFO L130 PetriNetUnfolder]: 766/1594 cut-off events. [2023-08-29 01:02:37,764 INFO L131 PetriNetUnfolder]: For 585/586 co-relation queries the response was YES. [2023-08-29 01:02:37,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4155 conditions, 1594 events. 766/1594 cut-off events. For 585/586 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 8342 event pairs, 394 based on Foata normal form. 1/1540 useless extension candidates. Maximal degree in co-relation 4145. Up to 1151 conditions per place. [2023-08-29 01:02:37,772 INFO L137 encePairwiseOnDemand]: 407/418 looper letters, 77 selfloop transitions, 22 changer transitions 0/120 dead transitions. [2023-08-29 01:02:37,772 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 120 transitions, 654 flow [2023-08-29 01:02:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:02:37,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:02:37,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1091 transitions. [2023-08-29 01:02:37,780 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4350079744816587 [2023-08-29 01:02:37,780 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1091 transitions. [2023-08-29 01:02:37,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1091 transitions. [2023-08-29 01:02:37,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:02:37,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1091 transitions. [2023-08-29 01:02:37,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 181.83333333333334) internal successors, (1091), 6 states have internal predecessors, (1091), 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) [2023-08-29 01:02:37,787 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 418.0) internal successors, (2926), 7 states have internal predecessors, (2926), 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) [2023-08-29 01:02:37,788 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 418.0) internal successors, (2926), 7 states have internal predecessors, (2926), 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) [2023-08-29 01:02:37,789 INFO L175 Difference]: Start difference. First operand has 72 places, 87 transitions, 336 flow. Second operand 6 states and 1091 transitions. [2023-08-29 01:02:37,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 120 transitions, 654 flow [2023-08-29 01:02:37,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 120 transitions, 652 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:02:37,795 INFO L231 Difference]: Finished difference. Result has 81 places, 108 transitions, 520 flow [2023-08-29 01:02:37,795 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=520, PETRI_PLACES=81, PETRI_TRANSITIONS=108} [2023-08-29 01:02:37,797 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 7 predicate places. [2023-08-29 01:02:37,797 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 108 transitions, 520 flow [2023-08-29 01:02:37,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 171.83333333333334) internal successors, (1031), 6 states have internal predecessors, (1031), 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) [2023-08-29 01:02:37,798 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:02:37,798 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:02:37,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 01:02:37,798 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:02:37,798 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:02:37,798 INFO L85 PathProgramCache]: Analyzing trace with hash -817520329, now seen corresponding path program 1 times [2023-08-29 01:02:37,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:02:37,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535198967] [2023-08-29 01:02:37,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:02:37,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:02:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:02:37,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:02:37,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:02:37,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535198967] [2023-08-29 01:02:37,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535198967] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:02:37,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:02:37,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 01:02:37,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312390760] [2023-08-29 01:02:37,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:02:37,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:02:37,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:02:37,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:02:37,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:02:37,881 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 418 [2023-08-29 01:02:37,882 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 108 transitions, 520 flow. Second operand has 3 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 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) [2023-08-29 01:02:37,882 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:02:37,882 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 418 [2023-08-29 01:02:37,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:02:38,167 INFO L130 PetriNetUnfolder]: 222/523 cut-off events. [2023-08-29 01:02:38,168 INFO L131 PetriNetUnfolder]: For 658/743 co-relation queries the response was YES. [2023-08-29 01:02:38,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1649 conditions, 523 events. 222/523 cut-off events. For 658/743 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2421 event pairs, 88 based on Foata normal form. 0/502 useless extension candidates. Maximal degree in co-relation 1635. Up to 303 conditions per place. [2023-08-29 01:02:38,171 INFO L137 encePairwiseOnDemand]: 415/418 looper letters, 45 selfloop transitions, 2 changer transitions 0/83 dead transitions. [2023-08-29 01:02:38,171 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 83 transitions, 472 flow [2023-08-29 01:02:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:02:38,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:02:38,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 601 transitions. [2023-08-29 01:02:38,174 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47926634768740034 [2023-08-29 01:02:38,174 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 601 transitions. [2023-08-29 01:02:38,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 601 transitions. [2023-08-29 01:02:38,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:02:38,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 601 transitions. [2023-08-29 01:02:38,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 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) [2023-08-29 01:02:38,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 418.0) internal successors, (1672), 4 states have internal predecessors, (1672), 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) [2023-08-29 01:02:38,180 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 418.0) internal successors, (1672), 4 states have internal predecessors, (1672), 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) [2023-08-29 01:02:38,181 INFO L175 Difference]: Start difference. First operand has 81 places, 108 transitions, 520 flow. Second operand 3 states and 601 transitions. [2023-08-29 01:02:38,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 83 transitions, 472 flow [2023-08-29 01:02:38,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 83 transitions, 446 flow, removed 1 selfloop flow, removed 9 redundant places. [2023-08-29 01:02:38,185 INFO L231 Difference]: Finished difference. Result has 73 places, 77 transitions, 324 flow [2023-08-29 01:02:38,185 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=324, PETRI_PLACES=73, PETRI_TRANSITIONS=77} [2023-08-29 01:02:38,187 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -1 predicate places. [2023-08-29 01:02:38,188 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 77 transitions, 324 flow [2023-08-29 01:02:38,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 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) [2023-08-29 01:02:38,188 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:02:38,188 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:02:38,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 01:02:38,189 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:02:38,189 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:02:38,190 INFO L85 PathProgramCache]: Analyzing trace with hash 447756112, now seen corresponding path program 1 times [2023-08-29 01:02:38,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:02:38,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059522077] [2023-08-29 01:02:38,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:02:38,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:02:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:02:38,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:02:38,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:02:38,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059522077] [2023-08-29 01:02:38,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059522077] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:02:38,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:02:38,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:02:38,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616766092] [2023-08-29 01:02:38,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:02:38,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:02:38,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:02:38,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:02:38,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:02:39,500 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 418 [2023-08-29 01:02:39,501 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 77 transitions, 324 flow. Second operand has 10 states, 10 states have (on average 166.2) internal successors, (1662), 10 states have internal predecessors, (1662), 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) [2023-08-29 01:02:39,501 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:02:39,501 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 418 [2023-08-29 01:02:39,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:02:40,408 INFO L130 PetriNetUnfolder]: 359/731 cut-off events. [2023-08-29 01:02:40,408 INFO L131 PetriNetUnfolder]: For 647/648 co-relation queries the response was YES. [2023-08-29 01:02:40,409 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2457 conditions, 731 events. 359/731 cut-off events. For 647/648 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 3029 event pairs, 132 based on Foata normal form. 9/731 useless extension candidates. Maximal degree in co-relation 2446. Up to 417 conditions per place. [2023-08-29 01:02:40,412 INFO L137 encePairwiseOnDemand]: 405/418 looper letters, 58 selfloop transitions, 36 changer transitions 0/113 dead transitions. [2023-08-29 01:02:40,412 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 113 transitions, 661 flow [2023-08-29 01:02:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 01:02:40,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 01:02:40,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1399 transitions. [2023-08-29 01:02:40,419 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41836124401913877 [2023-08-29 01:02:40,419 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1399 transitions. [2023-08-29 01:02:40,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1399 transitions. [2023-08-29 01:02:40,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:02:40,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1399 transitions. [2023-08-29 01:02:40,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 174.875) internal successors, (1399), 8 states have internal predecessors, (1399), 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) [2023-08-29 01:02:40,427 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 418.0) internal successors, (3762), 9 states have internal predecessors, (3762), 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) [2023-08-29 01:02:40,428 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 418.0) internal successors, (3762), 9 states have internal predecessors, (3762), 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) [2023-08-29 01:02:40,428 INFO L175 Difference]: Start difference. First operand has 73 places, 77 transitions, 324 flow. Second operand 8 states and 1399 transitions. [2023-08-29 01:02:40,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 113 transitions, 661 flow [2023-08-29 01:02:40,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 113 transitions, 651 flow, removed 1 selfloop flow, removed 3 redundant places. [2023-08-29 01:02:40,432 INFO L231 Difference]: Finished difference. Result has 82 places, 93 transitions, 559 flow [2023-08-29 01:02:40,432 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=559, PETRI_PLACES=82, PETRI_TRANSITIONS=93} [2023-08-29 01:02:40,433 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 8 predicate places. [2023-08-29 01:02:40,433 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 93 transitions, 559 flow [2023-08-29 01:02:40,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 166.2) internal successors, (1662), 10 states have internal predecessors, (1662), 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) [2023-08-29 01:02:40,434 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:02:40,434 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:02:40,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 01:02:40,434 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:02:40,435 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:02:40,435 INFO L85 PathProgramCache]: Analyzing trace with hash 447934858, now seen corresponding path program 1 times [2023-08-29 01:02:40,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:02:40,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708376312] [2023-08-29 01:02:40,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:02:40,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:02:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:02:40,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:02:40,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:02:40,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708376312] [2023-08-29 01:02:40,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708376312] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:02:40,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:02:40,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:02:40,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464732233] [2023-08-29 01:02:40,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:02:40,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:02:40,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:02:40,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:02:40,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:02:41,625 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 418 [2023-08-29 01:02:41,627 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 93 transitions, 559 flow. Second operand has 10 states, 10 states have (on average 166.2) internal successors, (1662), 10 states have internal predecessors, (1662), 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) [2023-08-29 01:02:41,627 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:02:41,627 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 418 [2023-08-29 01:02:41,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:02:42,295 INFO L130 PetriNetUnfolder]: 405/823 cut-off events. [2023-08-29 01:02:42,295 INFO L131 PetriNetUnfolder]: For 1597/1598 co-relation queries the response was YES. [2023-08-29 01:02:42,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3314 conditions, 823 events. 405/823 cut-off events. For 1597/1598 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3602 event pairs, 83 based on Foata normal form. 9/820 useless extension candidates. Maximal degree in co-relation 3299. Up to 468 conditions per place. [2023-08-29 01:02:42,302 INFO L137 encePairwiseOnDemand]: 405/418 looper letters, 76 selfloop transitions, 37 changer transitions 0/132 dead transitions. [2023-08-29 01:02:42,302 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 132 transitions, 978 flow [2023-08-29 01:02:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 01:02:42,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 01:02:42,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1402 transitions. [2023-08-29 01:02:42,306 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4192583732057416 [2023-08-29 01:02:42,306 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1402 transitions. [2023-08-29 01:02:42,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1402 transitions. [2023-08-29 01:02:42,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:02:42,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1402 transitions. [2023-08-29 01:02:42,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 175.25) internal successors, (1402), 8 states have internal predecessors, (1402), 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) [2023-08-29 01:02:42,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 418.0) internal successors, (3762), 9 states have internal predecessors, (3762), 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) [2023-08-29 01:02:42,315 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 418.0) internal successors, (3762), 9 states have internal predecessors, (3762), 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) [2023-08-29 01:02:42,315 INFO L175 Difference]: Start difference. First operand has 82 places, 93 transitions, 559 flow. Second operand 8 states and 1402 transitions. [2023-08-29 01:02:42,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 132 transitions, 978 flow [2023-08-29 01:02:42,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 132 transitions, 961 flow, removed 6 selfloop flow, removed 2 redundant places. [2023-08-29 01:02:42,323 INFO L231 Difference]: Finished difference. Result has 92 places, 111 transitions, 835 flow [2023-08-29 01:02:42,323 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=835, PETRI_PLACES=92, PETRI_TRANSITIONS=111} [2023-08-29 01:02:42,324 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 18 predicate places. [2023-08-29 01:02:42,324 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 111 transitions, 835 flow [2023-08-29 01:02:42,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 166.2) internal successors, (1662), 10 states have internal predecessors, (1662), 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) [2023-08-29 01:02:42,325 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:02:42,325 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:02:42,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 01:02:42,325 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:02:42,325 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:02:42,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1965198277, now seen corresponding path program 1 times [2023-08-29 01:02:42,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:02:42,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420619542] [2023-08-29 01:02:42,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:02:42,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:02:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:02:42,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:02:42,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:02:42,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420619542] [2023-08-29 01:02:42,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420619542] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:02:42,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:02:42,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:02:42,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605496022] [2023-08-29 01:02:42,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:02:42,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:02:42,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:02:42,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:02:42,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:02:43,589 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 418 [2023-08-29 01:02:43,590 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 111 transitions, 835 flow. Second operand has 11 states, 11 states have (on average 169.1818181818182) internal successors, (1861), 11 states have internal predecessors, (1861), 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) [2023-08-29 01:02:43,591 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:02:43,591 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 418 [2023-08-29 01:02:43,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:02:44,412 INFO L130 PetriNetUnfolder]: 397/811 cut-off events. [2023-08-29 01:02:44,413 INFO L131 PetriNetUnfolder]: For 2569/2570 co-relation queries the response was YES. [2023-08-29 01:02:44,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3775 conditions, 811 events. 397/811 cut-off events. For 2569/2570 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3522 event pairs, 55 based on Foata normal form. 5/804 useless extension candidates. Maximal degree in co-relation 3755. Up to 441 conditions per place. [2023-08-29 01:02:44,419 INFO L137 encePairwiseOnDemand]: 405/418 looper letters, 74 selfloop transitions, 51 changer transitions 0/144 dead transitions. [2023-08-29 01:02:44,419 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 144 transitions, 1260 flow [2023-08-29 01:02:44,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:02:44,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:02:44,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1594 transitions. [2023-08-29 01:02:44,426 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42371079213184476 [2023-08-29 01:02:44,426 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1594 transitions. [2023-08-29 01:02:44,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1594 transitions. [2023-08-29 01:02:44,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:02:44,427 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1594 transitions. [2023-08-29 01:02:44,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 177.11111111111111) internal successors, (1594), 9 states have internal predecessors, (1594), 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) [2023-08-29 01:02:44,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 418.0) internal successors, (4180), 10 states have internal predecessors, (4180), 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) [2023-08-29 01:02:44,440 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 418.0) internal successors, (4180), 10 states have internal predecessors, (4180), 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) [2023-08-29 01:02:44,440 INFO L175 Difference]: Start difference. First operand has 92 places, 111 transitions, 835 flow. Second operand 9 states and 1594 transitions. [2023-08-29 01:02:44,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 144 transitions, 1260 flow [2023-08-29 01:02:44,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 144 transitions, 1254 flow, removed 2 selfloop flow, removed 1 redundant places. [2023-08-29 01:02:44,453 INFO L231 Difference]: Finished difference. Result has 104 places, 123 transitions, 1152 flow [2023-08-29 01:02:44,453 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=829, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1152, PETRI_PLACES=104, PETRI_TRANSITIONS=123} [2023-08-29 01:02:44,454 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 30 predicate places. [2023-08-29 01:02:44,455 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 123 transitions, 1152 flow [2023-08-29 01:02:44,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 169.1818181818182) internal successors, (1861), 11 states have internal predecessors, (1861), 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) [2023-08-29 01:02:44,456 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:02:44,456 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:02:44,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 01:02:44,456 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:02:44,456 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:02:44,457 INFO L85 PathProgramCache]: Analyzing trace with hash -554068678, now seen corresponding path program 1 times [2023-08-29 01:02:44,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:02:44,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225307200] [2023-08-29 01:02:44,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:02:44,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:02:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:02:44,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:02:44,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:02:44,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225307200] [2023-08-29 01:02:44,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225307200] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:02:44,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:02:44,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:02:44,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755816505] [2023-08-29 01:02:44,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:02:44,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:02:44,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:02:44,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:02:44,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:02:44,923 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 418 [2023-08-29 01:02:44,924 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 123 transitions, 1152 flow. Second operand has 6 states, 6 states have (on average 157.33333333333334) internal successors, (944), 6 states have internal predecessors, (944), 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) [2023-08-29 01:02:44,924 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:02:44,924 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 418 [2023-08-29 01:02:44,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:02:45,229 INFO L130 PetriNetUnfolder]: 415/833 cut-off events. [2023-08-29 01:02:45,230 INFO L131 PetriNetUnfolder]: For 4696/4696 co-relation queries the response was YES. [2023-08-29 01:02:45,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4508 conditions, 833 events. 415/833 cut-off events. For 4696/4696 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3586 event pairs, 182 based on Foata normal form. 0/822 useless extension candidates. Maximal degree in co-relation 4483. Up to 736 conditions per place. [2023-08-29 01:02:45,237 INFO L137 encePairwiseOnDemand]: 412/418 looper letters, 98 selfloop transitions, 5 changer transitions 0/122 dead transitions. [2023-08-29 01:02:45,238 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 122 transitions, 1356 flow [2023-08-29 01:02:45,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:02:45,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:02:45,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 977 transitions. [2023-08-29 01:02:45,241 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38955342902711326 [2023-08-29 01:02:45,241 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 977 transitions. [2023-08-29 01:02:45,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 977 transitions. [2023-08-29 01:02:45,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:02:45,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 977 transitions. [2023-08-29 01:02:45,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 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) [2023-08-29 01:02:45,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 418.0) internal successors, (2926), 7 states have internal predecessors, (2926), 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) [2023-08-29 01:02:45,248 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 418.0) internal successors, (2926), 7 states have internal predecessors, (2926), 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) [2023-08-29 01:02:45,248 INFO L175 Difference]: Start difference. First operand has 104 places, 123 transitions, 1152 flow. Second operand 6 states and 977 transitions. [2023-08-29 01:02:45,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 122 transitions, 1356 flow [2023-08-29 01:02:45,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 122 transitions, 1333 flow, removed 8 selfloop flow, removed 3 redundant places. [2023-08-29 01:02:45,262 INFO L231 Difference]: Finished difference. Result has 105 places, 122 transitions, 1137 flow [2023-08-29 01:02:45,263 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=1127, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1137, PETRI_PLACES=105, PETRI_TRANSITIONS=122} [2023-08-29 01:02:45,263 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 31 predicate places. [2023-08-29 01:02:45,263 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 122 transitions, 1137 flow [2023-08-29 01:02:45,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 157.33333333333334) internal successors, (944), 6 states have internal predecessors, (944), 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) [2023-08-29 01:02:45,264 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:02:45,264 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:02:45,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 01:02:45,265 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:02:45,265 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:02:45,265 INFO L85 PathProgramCache]: Analyzing trace with hash 761725707, now seen corresponding path program 1 times [2023-08-29 01:02:45,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:02:45,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908257392] [2023-08-29 01:02:45,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:02:45,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:02:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:02:45,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:02:45,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:02:45,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908257392] [2023-08-29 01:02:45,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908257392] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:02:45,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:02:45,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:02:45,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900604138] [2023-08-29 01:02:45,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:02:45,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:02:45,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:02:45,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:02:45,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:02:46,273 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 418 [2023-08-29 01:02:46,274 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 122 transitions, 1137 flow. Second operand has 10 states, 10 states have (on average 164.4) internal successors, (1644), 10 states have internal predecessors, (1644), 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) [2023-08-29 01:02:46,274 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:02:46,274 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 418 [2023-08-29 01:02:46,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:02:47,125 INFO L130 PetriNetUnfolder]: 415/862 cut-off events. [2023-08-29 01:02:47,125 INFO L131 PetriNetUnfolder]: For 4196/4197 co-relation queries the response was YES. [2023-08-29 01:02:47,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4524 conditions, 862 events. 415/862 cut-off events. For 4196/4197 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3923 event pairs, 89 based on Foata normal form. 5/856 useless extension candidates. Maximal degree in co-relation 4499. Up to 479 conditions per place. [2023-08-29 01:02:47,132 INFO L137 encePairwiseOnDemand]: 405/418 looper letters, 127 selfloop transitions, 50 changer transitions 0/195 dead transitions. [2023-08-29 01:02:47,132 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 195 transitions, 2151 flow [2023-08-29 01:02:47,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:02:47,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:02:47,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1722 transitions. [2023-08-29 01:02:47,136 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41196172248803825 [2023-08-29 01:02:47,137 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1722 transitions. [2023-08-29 01:02:47,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1722 transitions. [2023-08-29 01:02:47,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:02:47,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1722 transitions. [2023-08-29 01:02:47,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 172.2) internal successors, (1722), 10 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:02:47,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:02:47,147 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:02:47,147 INFO L175 Difference]: Start difference. First operand has 105 places, 122 transitions, 1137 flow. Second operand 10 states and 1722 transitions. [2023-08-29 01:02:47,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 195 transitions, 2151 flow [2023-08-29 01:02:47,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 195 transitions, 2088 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-08-29 01:02:47,179 INFO L231 Difference]: Finished difference. Result has 113 places, 157 transitions, 1763 flow [2023-08-29 01:02:47,180 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=1103, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1763, PETRI_PLACES=113, PETRI_TRANSITIONS=157} [2023-08-29 01:02:47,180 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 39 predicate places. [2023-08-29 01:02:47,181 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 157 transitions, 1763 flow [2023-08-29 01:02:47,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 164.4) internal successors, (1644), 10 states have internal predecessors, (1644), 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) [2023-08-29 01:02:47,187 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:02:47,187 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:02:47,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 01:02:47,188 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:02:47,188 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:02:47,188 INFO L85 PathProgramCache]: Analyzing trace with hash 901083729, now seen corresponding path program 2 times [2023-08-29 01:02:47,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:02:47,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886923429] [2023-08-29 01:02:47,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:02:47,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:02:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:02:47,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:02:47,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:02:47,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886923429] [2023-08-29 01:02:47,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886923429] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:02:47,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:02:47,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:02:47,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634248292] [2023-08-29 01:02:47,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:02:47,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:02:47,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:02:47,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:02:47,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:02:48,521 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 418 [2023-08-29 01:02:48,522 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 157 transitions, 1763 flow. Second operand has 11 states, 11 states have (on average 164.27272727272728) internal successors, (1807), 11 states have internal predecessors, (1807), 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) [2023-08-29 01:02:48,522 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:02:48,523 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 418 [2023-08-29 01:02:48,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:02:49,711 INFO L130 PetriNetUnfolder]: 527/1128 cut-off events. [2023-08-29 01:02:49,712 INFO L131 PetriNetUnfolder]: For 7119/7120 co-relation queries the response was YES. [2023-08-29 01:02:49,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6265 conditions, 1128 events. 527/1128 cut-off events. For 7119/7120 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 5792 event pairs, 84 based on Foata normal form. 5/1114 useless extension candidates. Maximal degree in co-relation 6236. Up to 587 conditions per place. [2023-08-29 01:02:49,721 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 120 selfloop transitions, 89 changer transitions 0/227 dead transitions. [2023-08-29 01:02:49,721 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 227 transitions, 2828 flow [2023-08-29 01:02:49,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:02:49,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:02:49,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1729 transitions. [2023-08-29 01:02:49,725 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41363636363636364 [2023-08-29 01:02:49,725 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1729 transitions. [2023-08-29 01:02:49,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1729 transitions. [2023-08-29 01:02:49,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:02:49,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1729 transitions. [2023-08-29 01:02:49,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 172.9) internal successors, (1729), 10 states have internal predecessors, (1729), 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) [2023-08-29 01:02:49,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:02:49,734 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:02:49,735 INFO L175 Difference]: Start difference. First operand has 113 places, 157 transitions, 1763 flow. Second operand 10 states and 1729 transitions. [2023-08-29 01:02:49,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 227 transitions, 2828 flow [2023-08-29 01:02:49,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 227 transitions, 2811 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 01:02:49,756 INFO L231 Difference]: Finished difference. Result has 123 places, 194 transitions, 2539 flow [2023-08-29 01:02:49,756 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=1746, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2539, PETRI_PLACES=123, PETRI_TRANSITIONS=194} [2023-08-29 01:02:49,756 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 49 predicate places. [2023-08-29 01:02:49,757 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 194 transitions, 2539 flow [2023-08-29 01:02:49,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 164.27272727272728) internal successors, (1807), 11 states have internal predecessors, (1807), 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) [2023-08-29 01:02:49,757 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:02:49,757 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:02:49,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 01:02:49,758 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:02:49,758 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:02:49,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1236393406, now seen corresponding path program 1 times [2023-08-29 01:02:49,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:02:49,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452015580] [2023-08-29 01:02:49,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:02:49,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:02:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:02:50,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:02:50,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:02:50,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452015580] [2023-08-29 01:02:50,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452015580] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:02:50,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:02:50,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:02:50,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907972888] [2023-08-29 01:02:50,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:02:50,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:02:50,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:02:50,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:02:50,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:02:50,831 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 418 [2023-08-29 01:02:50,833 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 194 transitions, 2539 flow. Second operand has 10 states, 10 states have (on average 164.4) internal successors, (1644), 10 states have internal predecessors, (1644), 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) [2023-08-29 01:02:50,833 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:02:50,833 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 418 [2023-08-29 01:02:50,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:02:51,647 INFO L130 PetriNetUnfolder]: 539/1175 cut-off events. [2023-08-29 01:02:51,647 INFO L131 PetriNetUnfolder]: For 8636/8636 co-relation queries the response was YES. [2023-08-29 01:02:51,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7101 conditions, 1175 events. 539/1175 cut-off events. For 8636/8636 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 6177 event pairs, 85 based on Foata normal form. 4/1158 useless extension candidates. Maximal degree in co-relation 7068. Up to 621 conditions per place. [2023-08-29 01:02:51,657 INFO L137 encePairwiseOnDemand]: 405/418 looper letters, 183 selfloop transitions, 92 changer transitions 0/293 dead transitions. [2023-08-29 01:02:51,658 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 293 transitions, 4220 flow [2023-08-29 01:02:51,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:02:51,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:02:51,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1729 transitions. [2023-08-29 01:02:51,663 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41363636363636364 [2023-08-29 01:02:51,664 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1729 transitions. [2023-08-29 01:02:51,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1729 transitions. [2023-08-29 01:02:51,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:02:51,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1729 transitions. [2023-08-29 01:02:51,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 172.9) internal successors, (1729), 10 states have internal predecessors, (1729), 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) [2023-08-29 01:02:51,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:02:51,672 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:02:51,672 INFO L175 Difference]: Start difference. First operand has 123 places, 194 transitions, 2539 flow. Second operand 10 states and 1729 transitions. [2023-08-29 01:02:51,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 293 transitions, 4220 flow [2023-08-29 01:02:51,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 293 transitions, 4163 flow, removed 16 selfloop flow, removed 3 redundant places. [2023-08-29 01:02:51,702 INFO L231 Difference]: Finished difference. Result has 135 places, 240 transitions, 3667 flow [2023-08-29 01:02:51,703 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=2499, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3667, PETRI_PLACES=135, PETRI_TRANSITIONS=240} [2023-08-29 01:02:51,703 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 61 predicate places. [2023-08-29 01:02:51,703 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 240 transitions, 3667 flow [2023-08-29 01:02:51,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 164.4) internal successors, (1644), 10 states have internal predecessors, (1644), 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) [2023-08-29 01:02:51,704 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:02:51,704 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:02:51,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 01:02:51,704 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:02:51,705 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:02:51,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1528402961, now seen corresponding path program 3 times [2023-08-29 01:02:51,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:02:51,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289168937] [2023-08-29 01:02:51,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:02:51,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:02:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:02:52,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:02:52,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:02:52,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289168937] [2023-08-29 01:02:52,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289168937] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:02:52,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:02:52,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:02:52,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617710059] [2023-08-29 01:02:52,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:02:52,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:02:52,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:02:52,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:02:52,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:02:52,850 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 418 [2023-08-29 01:02:52,851 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 240 transitions, 3667 flow. Second operand has 11 states, 11 states have (on average 164.27272727272728) internal successors, (1807), 11 states have internal predecessors, (1807), 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) [2023-08-29 01:02:52,851 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:02:52,851 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 418 [2023-08-29 01:02:52,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:02:53,954 INFO L130 PetriNetUnfolder]: 580/1312 cut-off events. [2023-08-29 01:02:53,954 INFO L131 PetriNetUnfolder]: For 12661/12662 co-relation queries the response was YES. [2023-08-29 01:02:53,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8374 conditions, 1312 events. 580/1312 cut-off events. For 12661/12662 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 7316 event pairs, 118 based on Foata normal form. 5/1289 useless extension candidates. Maximal degree in co-relation 8335. Up to 694 conditions per place. [2023-08-29 01:02:53,964 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 150 selfloop transitions, 115 changer transitions 0/283 dead transitions. [2023-08-29 01:02:53,964 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 283 transitions, 4624 flow [2023-08-29 01:02:53,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:02:53,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:02:53,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1557 transitions. [2023-08-29 01:02:53,967 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4138755980861244 [2023-08-29 01:02:53,967 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1557 transitions. [2023-08-29 01:02:53,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1557 transitions. [2023-08-29 01:02:53,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:02:53,968 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1557 transitions. [2023-08-29 01:02:53,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 173.0) internal successors, (1557), 9 states have internal predecessors, (1557), 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) [2023-08-29 01:02:53,974 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 418.0) internal successors, (4180), 10 states have internal predecessors, (4180), 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) [2023-08-29 01:02:53,975 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 418.0) internal successors, (4180), 10 states have internal predecessors, (4180), 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) [2023-08-29 01:02:53,975 INFO L175 Difference]: Start difference. First operand has 135 places, 240 transitions, 3667 flow. Second operand 9 states and 1557 transitions. [2023-08-29 01:02:53,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 283 transitions, 4624 flow [2023-08-29 01:02:54,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 283 transitions, 4579 flow, removed 2 selfloop flow, removed 3 redundant places. [2023-08-29 01:02:54,017 INFO L231 Difference]: Finished difference. Result has 143 places, 255 transitions, 4337 flow [2023-08-29 01:02:54,017 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=3626, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4337, PETRI_PLACES=143, PETRI_TRANSITIONS=255} [2023-08-29 01:02:54,018 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 69 predicate places. [2023-08-29 01:02:54,018 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 255 transitions, 4337 flow [2023-08-29 01:02:54,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 164.27272727272728) internal successors, (1807), 11 states have internal predecessors, (1807), 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) [2023-08-29 01:02:54,019 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:02:54,019 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:02:54,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 01:02:54,019 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:02:54,019 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:02:54,020 INFO L85 PathProgramCache]: Analyzing trace with hash 653576368, now seen corresponding path program 2 times [2023-08-29 01:02:54,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:02:54,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315905374] [2023-08-29 01:02:54,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:02:54,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:02:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:02:54,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:02:54,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:02:54,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315905374] [2023-08-29 01:02:54,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315905374] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:02:54,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:02:54,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:02:54,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242346553] [2023-08-29 01:02:54,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:02:54,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:02:54,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:02:54,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:02:54,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:02:55,359 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 418 [2023-08-29 01:02:55,360 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 255 transitions, 4337 flow. Second operand has 11 states, 11 states have (on average 164.27272727272728) internal successors, (1807), 11 states have internal predecessors, (1807), 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) [2023-08-29 01:02:55,360 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:02:55,360 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 418 [2023-08-29 01:02:55,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:02:56,694 INFO L130 PetriNetUnfolder]: 653/1490 cut-off events. [2023-08-29 01:02:56,694 INFO L131 PetriNetUnfolder]: For 17150/17151 co-relation queries the response was YES. [2023-08-29 01:02:56,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10053 conditions, 1490 events. 653/1490 cut-off events. For 17150/17151 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 8809 event pairs, 129 based on Foata normal form. 5/1463 useless extension candidates. Maximal degree in co-relation 10011. Up to 755 conditions per place. [2023-08-29 01:02:56,703 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 183 selfloop transitions, 121 changer transitions 0/322 dead transitions. [2023-08-29 01:02:56,704 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 322 transitions, 5681 flow [2023-08-29 01:02:56,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:02:56,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:02:56,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1733 transitions. [2023-08-29 01:02:56,707 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4145933014354067 [2023-08-29 01:02:56,707 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1733 transitions. [2023-08-29 01:02:56,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1733 transitions. [2023-08-29 01:02:56,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:02:56,708 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1733 transitions. [2023-08-29 01:02:56,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 173.3) internal successors, (1733), 10 states have internal predecessors, (1733), 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) [2023-08-29 01:02:56,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:02:56,717 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:02:56,717 INFO L175 Difference]: Start difference. First operand has 143 places, 255 transitions, 4337 flow. Second operand 10 states and 1733 transitions. [2023-08-29 01:02:56,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 322 transitions, 5681 flow [2023-08-29 01:02:56,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 322 transitions, 5609 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 01:02:56,774 INFO L231 Difference]: Finished difference. Result has 152 places, 287 transitions, 5211 flow [2023-08-29 01:02:56,774 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=4265, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=5211, PETRI_PLACES=152, PETRI_TRANSITIONS=287} [2023-08-29 01:02:56,775 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 78 predicate places. [2023-08-29 01:02:56,775 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 287 transitions, 5211 flow [2023-08-29 01:02:56,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 164.27272727272728) internal successors, (1807), 11 states have internal predecessors, (1807), 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) [2023-08-29 01:02:56,776 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:02:56,776 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:02:56,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 01:02:56,776 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:02:56,776 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:02:56,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1799577941, now seen corresponding path program 4 times [2023-08-29 01:02:56,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:02:56,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699627055] [2023-08-29 01:02:56,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:02:56,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:02:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:02:57,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:02:57,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:02:57,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699627055] [2023-08-29 01:02:57,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699627055] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:02:57,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:02:57,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:02:57,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17893656] [2023-08-29 01:02:57,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:02:57,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:02:57,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:02:57,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:02:57,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:02:58,187 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 418 [2023-08-29 01:02:58,188 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 287 transitions, 5211 flow. Second operand has 11 states, 11 states have (on average 164.27272727272728) internal successors, (1807), 11 states have internal predecessors, (1807), 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) [2023-08-29 01:02:58,188 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:02:58,188 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 418 [2023-08-29 01:02:58,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:02:59,681 INFO L130 PetriNetUnfolder]: 674/1591 cut-off events. [2023-08-29 01:02:59,681 INFO L131 PetriNetUnfolder]: For 21266/21268 co-relation queries the response was YES. [2023-08-29 01:02:59,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11037 conditions, 1591 events. 674/1591 cut-off events. For 21266/21268 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 9848 event pairs, 130 based on Foata normal form. 6/1558 useless extension candidates. Maximal degree in co-relation 10990. Up to 811 conditions per place. [2023-08-29 01:02:59,691 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 176 selfloop transitions, 137 changer transitions 0/331 dead transitions. [2023-08-29 01:02:59,691 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 331 transitions, 6259 flow [2023-08-29 01:02:59,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:02:59,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:02:59,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1726 transitions. [2023-08-29 01:02:59,694 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41291866028708135 [2023-08-29 01:02:59,694 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1726 transitions. [2023-08-29 01:02:59,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1726 transitions. [2023-08-29 01:02:59,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:02:59,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1726 transitions. [2023-08-29 01:02:59,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 172.6) internal successors, (1726), 10 states have internal predecessors, (1726), 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) [2023-08-29 01:02:59,701 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:02:59,702 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:02:59,702 INFO L175 Difference]: Start difference. First operand has 152 places, 287 transitions, 5211 flow. Second operand 10 states and 1726 transitions. [2023-08-29 01:02:59,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 331 transitions, 6259 flow [2023-08-29 01:02:59,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 331 transitions, 6112 flow, removed 25 selfloop flow, removed 3 redundant places. [2023-08-29 01:02:59,761 INFO L231 Difference]: Finished difference. Result has 162 places, 303 transitions, 5816 flow [2023-08-29 01:02:59,761 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=5069, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=123, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=5816, PETRI_PLACES=162, PETRI_TRANSITIONS=303} [2023-08-29 01:02:59,762 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 88 predicate places. [2023-08-29 01:02:59,762 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 303 transitions, 5816 flow [2023-08-29 01:02:59,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 164.27272727272728) internal successors, (1807), 11 states have internal predecessors, (1807), 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) [2023-08-29 01:02:59,762 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:02:59,762 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:02:59,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 01:02:59,763 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:02:59,763 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:02:59,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1805506288, now seen corresponding path program 3 times [2023-08-29 01:02:59,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:02:59,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998913605] [2023-08-29 01:02:59,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:02:59,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:02:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:03:00,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:03:00,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:03:00,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998913605] [2023-08-29 01:03:00,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998913605] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:03:00,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:03:00,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:03:00,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76440733] [2023-08-29 01:03:00,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:03:00,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:03:00,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:03:00,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:03:00,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:03:01,108 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 418 [2023-08-29 01:03:01,109 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 303 transitions, 5816 flow. Second operand has 11 states, 11 states have (on average 164.27272727272728) internal successors, (1807), 11 states have internal predecessors, (1807), 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) [2023-08-29 01:03:01,109 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:03:01,109 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 418 [2023-08-29 01:03:01,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:03:02,608 INFO L130 PetriNetUnfolder]: 720/1715 cut-off events. [2023-08-29 01:03:02,609 INFO L131 PetriNetUnfolder]: For 25436/25438 co-relation queries the response was YES. [2023-08-29 01:03:02,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12395 conditions, 1715 events. 720/1715 cut-off events. For 25436/25438 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 10981 event pairs, 121 based on Foata normal form. 6/1678 useless extension candidates. Maximal degree in co-relation 12344. Up to 879 conditions per place. [2023-08-29 01:03:02,622 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 198 selfloop transitions, 140 changer transitions 0/356 dead transitions. [2023-08-29 01:03:02,622 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 356 transitions, 7114 flow [2023-08-29 01:03:02,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:03:02,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:03:02,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1729 transitions. [2023-08-29 01:03:02,625 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41363636363636364 [2023-08-29 01:03:02,625 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1729 transitions. [2023-08-29 01:03:02,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1729 transitions. [2023-08-29 01:03:02,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:03:02,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1729 transitions. [2023-08-29 01:03:02,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 172.9) internal successors, (1729), 10 states have internal predecessors, (1729), 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) [2023-08-29 01:03:02,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:03:02,633 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:03:02,633 INFO L175 Difference]: Start difference. First operand has 162 places, 303 transitions, 5816 flow. Second operand 10 states and 1729 transitions. [2023-08-29 01:03:02,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 356 transitions, 7114 flow [2023-08-29 01:03:02,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 356 transitions, 7052 flow, removed 8 selfloop flow, removed 4 redundant places. [2023-08-29 01:03:02,724 INFO L231 Difference]: Finished difference. Result has 172 places, 325 transitions, 6767 flow [2023-08-29 01:03:02,725 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=5754, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=6767, PETRI_PLACES=172, PETRI_TRANSITIONS=325} [2023-08-29 01:03:02,725 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 98 predicate places. [2023-08-29 01:03:02,725 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 325 transitions, 6767 flow [2023-08-29 01:03:02,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 164.27272727272728) internal successors, (1807), 11 states have internal predecessors, (1807), 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) [2023-08-29 01:03:02,726 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:03:02,726 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:03:02,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 01:03:02,726 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:03:02,727 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:03:02,727 INFO L85 PathProgramCache]: Analyzing trace with hash -748657323, now seen corresponding path program 5 times [2023-08-29 01:03:02,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:03:02,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793129823] [2023-08-29 01:03:02,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:03:02,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:03:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:03:03,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:03:03,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:03:03,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793129823] [2023-08-29 01:03:03,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793129823] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:03:03,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:03:03,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:03:03,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030899288] [2023-08-29 01:03:03,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:03:03,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:03:03,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:03:03,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:03:03,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:03:04,130 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 418 [2023-08-29 01:03:04,131 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 325 transitions, 6767 flow. Second operand has 11 states, 11 states have (on average 164.27272727272728) internal successors, (1807), 11 states have internal predecessors, (1807), 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) [2023-08-29 01:03:04,131 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:03:04,131 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 418 [2023-08-29 01:03:04,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:03:05,398 INFO L130 PetriNetUnfolder]: 751/1841 cut-off events. [2023-08-29 01:03:05,398 INFO L131 PetriNetUnfolder]: For 31785/31788 co-relation queries the response was YES. [2023-08-29 01:03:05,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13813 conditions, 1841 events. 751/1841 cut-off events. For 31785/31788 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 12220 event pairs, 146 based on Foata normal form. 7/1798 useless extension candidates. Maximal degree in co-relation 13757. Up to 883 conditions per place. [2023-08-29 01:03:05,412 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 196 selfloop transitions, 160 changer transitions 0/374 dead transitions. [2023-08-29 01:03:05,412 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 374 transitions, 8011 flow [2023-08-29 01:03:05,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:03:05,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:03:05,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1729 transitions. [2023-08-29 01:03:05,415 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41363636363636364 [2023-08-29 01:03:05,415 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1729 transitions. [2023-08-29 01:03:05,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1729 transitions. [2023-08-29 01:03:05,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:03:05,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1729 transitions. [2023-08-29 01:03:05,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 172.9) internal successors, (1729), 10 states have internal predecessors, (1729), 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) [2023-08-29 01:03:05,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:03:05,421 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:03:05,422 INFO L175 Difference]: Start difference. First operand has 172 places, 325 transitions, 6767 flow. Second operand 10 states and 1729 transitions. [2023-08-29 01:03:05,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 374 transitions, 8011 flow [2023-08-29 01:03:05,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 374 transitions, 7948 flow, removed 9 selfloop flow, removed 4 redundant places. [2023-08-29 01:03:05,536 INFO L231 Difference]: Finished difference. Result has 183 places, 345 transitions, 7753 flow [2023-08-29 01:03:05,536 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=6704, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=142, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=7753, PETRI_PLACES=183, PETRI_TRANSITIONS=345} [2023-08-29 01:03:05,537 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 109 predicate places. [2023-08-29 01:03:05,537 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 345 transitions, 7753 flow [2023-08-29 01:03:05,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 164.27272727272728) internal successors, (1807), 11 states have internal predecessors, (1807), 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) [2023-08-29 01:03:05,538 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:03:05,538 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:03:05,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 01:03:05,538 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:03:05,538 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:03:05,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1084864346, now seen corresponding path program 4 times [2023-08-29 01:03:05,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:03:05,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677629122] [2023-08-29 01:03:05,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:03:05,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:03:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:03:05,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:03:05,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:03:05,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677629122] [2023-08-29 01:03:05,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677629122] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:03:05,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:03:05,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:03:05,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661542840] [2023-08-29 01:03:05,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:03:05,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:03:05,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:03:05,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:03:05,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:03:07,012 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 418 [2023-08-29 01:03:07,013 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 345 transitions, 7753 flow. Second operand has 11 states, 11 states have (on average 164.27272727272728) internal successors, (1807), 11 states have internal predecessors, (1807), 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) [2023-08-29 01:03:07,013 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:03:07,013 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 418 [2023-08-29 01:03:07,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:03:08,196 INFO L130 PetriNetUnfolder]: 760/1906 cut-off events. [2023-08-29 01:03:08,197 INFO L131 PetriNetUnfolder]: For 39561/39563 co-relation queries the response was YES. [2023-08-29 01:03:08,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14930 conditions, 1906 events. 760/1906 cut-off events. For 39561/39563 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 13010 event pairs, 142 based on Foata normal form. 6/1857 useless extension candidates. Maximal degree in co-relation 14868. Up to 911 conditions per place. [2023-08-29 01:03:08,212 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 220 selfloop transitions, 158 changer transitions 0/396 dead transitions. [2023-08-29 01:03:08,213 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 396 transitions, 9131 flow [2023-08-29 01:03:08,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:03:08,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:03:08,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1731 transitions. [2023-08-29 01:03:08,215 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41411483253588516 [2023-08-29 01:03:08,216 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1731 transitions. [2023-08-29 01:03:08,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1731 transitions. [2023-08-29 01:03:08,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:03:08,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1731 transitions. [2023-08-29 01:03:08,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 173.1) internal successors, (1731), 10 states have internal predecessors, (1731), 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) [2023-08-29 01:03:08,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:03:08,221 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:03:08,221 INFO L175 Difference]: Start difference. First operand has 183 places, 345 transitions, 7753 flow. Second operand 10 states and 1731 transitions. [2023-08-29 01:03:08,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 396 transitions, 9131 flow [2023-08-29 01:03:08,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 396 transitions, 9002 flow, removed 38 selfloop flow, removed 5 redundant places. [2023-08-29 01:03:08,373 INFO L231 Difference]: Finished difference. Result has 192 places, 366 transitions, 8654 flow [2023-08-29 01:03:08,374 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=7624, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=8654, PETRI_PLACES=192, PETRI_TRANSITIONS=366} [2023-08-29 01:03:08,374 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 118 predicate places. [2023-08-29 01:03:08,374 INFO L495 AbstractCegarLoop]: Abstraction has has 192 places, 366 transitions, 8654 flow [2023-08-29 01:03:08,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 164.27272727272728) internal successors, (1807), 11 states have internal predecessors, (1807), 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) [2023-08-29 01:03:08,375 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:03:08,375 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:03:08,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 01:03:08,375 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:03:08,375 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:03:08,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1741553104, now seen corresponding path program 1 times [2023-08-29 01:03:08,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:03:08,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052026920] [2023-08-29 01:03:08,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:03:08,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:03:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:03:08,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:03:08,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:03:08,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052026920] [2023-08-29 01:03:08,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052026920] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:03:08,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:03:08,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:03:08,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662729625] [2023-08-29 01:03:08,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:03:08,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:03:08,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:03:08,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:03:08,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:03:09,571 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 418 [2023-08-29 01:03:09,572 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 366 transitions, 8654 flow. Second operand has 12 states, 12 states have (on average 167.25) internal successors, (2007), 12 states have internal predecessors, (2007), 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) [2023-08-29 01:03:09,572 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:03:09,572 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 418 [2023-08-29 01:03:09,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:03:10,795 INFO L130 PetriNetUnfolder]: 1084/2717 cut-off events. [2023-08-29 01:03:10,795 INFO L131 PetriNetUnfolder]: For 62469/62479 co-relation queries the response was YES. [2023-08-29 01:03:10,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22005 conditions, 2717 events. 1084/2717 cut-off events. For 62469/62479 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 20123 event pairs, 152 based on Foata normal form. 12/2656 useless extension candidates. Maximal degree in co-relation 21941. Up to 1286 conditions per place. [2023-08-29 01:03:10,816 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 359 selfloop transitions, 201 changer transitions 0/578 dead transitions. [2023-08-29 01:03:10,817 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 578 transitions, 13772 flow [2023-08-29 01:03:10,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-29 01:03:10,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-29 01:03:10,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2636 transitions. [2023-08-29 01:03:10,820 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.420414673046252 [2023-08-29 01:03:10,820 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2636 transitions. [2023-08-29 01:03:10,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2636 transitions. [2023-08-29 01:03:10,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:03:10,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2636 transitions. [2023-08-29 01:03:10,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 175.73333333333332) internal successors, (2636), 15 states have internal predecessors, (2636), 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) [2023-08-29 01:03:10,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 418.0) internal successors, (6688), 16 states have internal predecessors, (6688), 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) [2023-08-29 01:03:10,829 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 418.0) internal successors, (6688), 16 states have internal predecessors, (6688), 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) [2023-08-29 01:03:10,829 INFO L175 Difference]: Start difference. First operand has 192 places, 366 transitions, 8654 flow. Second operand 15 states and 2636 transitions. [2023-08-29 01:03:10,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 578 transitions, 13772 flow [2023-08-29 01:03:11,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 578 transitions, 13616 flow, removed 60 selfloop flow, removed 3 redundant places. [2023-08-29 01:03:11,070 INFO L231 Difference]: Finished difference. Result has 212 places, 436 transitions, 11242 flow [2023-08-29 01:03:11,071 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=8583, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=134, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=11242, PETRI_PLACES=212, PETRI_TRANSITIONS=436} [2023-08-29 01:03:11,071 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 138 predicate places. [2023-08-29 01:03:11,071 INFO L495 AbstractCegarLoop]: Abstraction has has 212 places, 436 transitions, 11242 flow [2023-08-29 01:03:11,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 167.25) internal successors, (2007), 12 states have internal predecessors, (2007), 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) [2023-08-29 01:03:11,072 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:03:11,072 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:03:11,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-29 01:03:11,072 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:03:11,072 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:03:11,072 INFO L85 PathProgramCache]: Analyzing trace with hash -692240750, now seen corresponding path program 2 times [2023-08-29 01:03:11,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:03:11,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377714617] [2023-08-29 01:03:11,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:03:11,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:03:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:03:11,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:03:11,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:03:11,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377714617] [2023-08-29 01:03:11,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377714617] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:03:11,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:03:11,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:03:11,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70875511] [2023-08-29 01:03:11,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:03:11,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:03:11,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:03:11,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:03:11,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:03:12,233 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 418 [2023-08-29 01:03:12,234 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 436 transitions, 11242 flow. Second operand has 12 states, 12 states have (on average 167.25) internal successors, (2007), 12 states have internal predecessors, (2007), 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) [2023-08-29 01:03:12,234 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:03:12,234 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 418 [2023-08-29 01:03:12,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:03:13,732 INFO L130 PetriNetUnfolder]: 1092/2757 cut-off events. [2023-08-29 01:03:13,732 INFO L131 PetriNetUnfolder]: For 73271/73279 co-relation queries the response was YES. [2023-08-29 01:03:13,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23296 conditions, 2757 events. 1092/2757 cut-off events. For 73271/73279 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 20552 event pairs, 157 based on Foata normal form. 10/2690 useless extension candidates. Maximal degree in co-relation 23223. Up to 1294 conditions per place. [2023-08-29 01:03:13,752 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 377 selfloop transitions, 176 changer transitions 0/571 dead transitions. [2023-08-29 01:03:13,752 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 571 transitions, 14531 flow [2023-08-29 01:03:13,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 01:03:13,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 01:03:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1941 transitions. [2023-08-29 01:03:13,754 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4221400608960418 [2023-08-29 01:03:13,754 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1941 transitions. [2023-08-29 01:03:13,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1941 transitions. [2023-08-29 01:03:13,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:03:13,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1941 transitions. [2023-08-29 01:03:13,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 176.45454545454547) internal successors, (1941), 11 states have internal predecessors, (1941), 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) [2023-08-29 01:03:13,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 418.0) internal successors, (5016), 12 states have internal predecessors, (5016), 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) [2023-08-29 01:03:13,760 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 418.0) internal successors, (5016), 12 states have internal predecessors, (5016), 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) [2023-08-29 01:03:13,760 INFO L175 Difference]: Start difference. First operand has 212 places, 436 transitions, 11242 flow. Second operand 11 states and 1941 transitions. [2023-08-29 01:03:13,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 571 transitions, 14531 flow [2023-08-29 01:03:14,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 571 transitions, 14443 flow, removed 6 selfloop flow, removed 4 redundant places. [2023-08-29 01:03:14,021 INFO L231 Difference]: Finished difference. Result has 225 places, 472 transitions, 12827 flow [2023-08-29 01:03:14,021 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=11154, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=142, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=12827, PETRI_PLACES=225, PETRI_TRANSITIONS=472} [2023-08-29 01:03:14,021 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 151 predicate places. [2023-08-29 01:03:14,022 INFO L495 AbstractCegarLoop]: Abstraction has has 225 places, 472 transitions, 12827 flow [2023-08-29 01:03:14,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 167.25) internal successors, (2007), 12 states have internal predecessors, (2007), 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) [2023-08-29 01:03:14,022 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:03:14,022 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:03:14,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-29 01:03:14,023 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:03:14,023 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:03:14,023 INFO L85 PathProgramCache]: Analyzing trace with hash -72947377, now seen corresponding path program 1 times [2023-08-29 01:03:14,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:03:14,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409356219] [2023-08-29 01:03:14,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:03:14,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:03:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:03:14,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:03:14,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:03:14,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409356219] [2023-08-29 01:03:14,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409356219] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:03:14,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:03:14,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:03:14,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636014609] [2023-08-29 01:03:14,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:03:14,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:03:14,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:03:14,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:03:14,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:03:15,243 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 418 [2023-08-29 01:03:15,244 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 472 transitions, 12827 flow. Second operand has 12 states, 12 states have (on average 167.25) internal successors, (2007), 12 states have internal predecessors, (2007), 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) [2023-08-29 01:03:15,244 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:03:15,244 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 418 [2023-08-29 01:03:15,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:03:16,524 INFO L130 PetriNetUnfolder]: 1100/2797 cut-off events. [2023-08-29 01:03:16,524 INFO L131 PetriNetUnfolder]: For 84055/84055 co-relation queries the response was YES. [2023-08-29 01:03:16,539 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24581 conditions, 2797 events. 1100/2797 cut-off events. For 84055/84055 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 20993 event pairs, 172 based on Foata normal form. 2/2718 useless extension candidates. Maximal degree in co-relation 24501. Up to 1302 conditions per place. [2023-08-29 01:03:16,547 INFO L137 encePairwiseOnDemand]: 405/418 looper letters, 337 selfloop transitions, 187 changer transitions 0/542 dead transitions. [2023-08-29 01:03:16,548 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 542 transitions, 14632 flow [2023-08-29 01:03:16,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 01:03:16,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 01:03:16,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1924 transitions. [2023-08-29 01:03:16,551 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4184428012179208 [2023-08-29 01:03:16,551 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1924 transitions. [2023-08-29 01:03:16,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1924 transitions. [2023-08-29 01:03:16,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:03:16,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1924 transitions. [2023-08-29 01:03:16,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 174.9090909090909) internal successors, (1924), 11 states have internal predecessors, (1924), 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) [2023-08-29 01:03:16,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 418.0) internal successors, (5016), 12 states have internal predecessors, (5016), 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) [2023-08-29 01:03:16,557 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 418.0) internal successors, (5016), 12 states have internal predecessors, (5016), 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) [2023-08-29 01:03:16,557 INFO L175 Difference]: Start difference. First operand has 225 places, 472 transitions, 12827 flow. Second operand 11 states and 1924 transitions. [2023-08-29 01:03:16,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 542 transitions, 14632 flow [2023-08-29 01:03:16,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 542 transitions, 14566 flow, removed 29 selfloop flow, removed 3 redundant places. [2023-08-29 01:03:16,935 INFO L231 Difference]: Finished difference. Result has 237 places, 498 transitions, 13968 flow [2023-08-29 01:03:16,935 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=12763, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=13968, PETRI_PLACES=237, PETRI_TRANSITIONS=498} [2023-08-29 01:03:16,936 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 163 predicate places. [2023-08-29 01:03:16,936 INFO L495 AbstractCegarLoop]: Abstraction has has 237 places, 498 transitions, 13968 flow [2023-08-29 01:03:16,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 167.25) internal successors, (2007), 12 states have internal predecessors, (2007), 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) [2023-08-29 01:03:16,936 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:03:16,936 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:03:16,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-29 01:03:16,936 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:03:16,937 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:03:16,937 INFO L85 PathProgramCache]: Analyzing trace with hash -145757618, now seen corresponding path program 3 times [2023-08-29 01:03:16,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:03:16,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962431621] [2023-08-29 01:03:16,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:03:16,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:03:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:03:17,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:03:17,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:03:17,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962431621] [2023-08-29 01:03:17,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962431621] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:03:17,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:03:17,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:03:17,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020335884] [2023-08-29 01:03:17,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:03:17,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:03:17,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:03:17,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:03:17,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:03:18,158 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 418 [2023-08-29 01:03:18,159 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 498 transitions, 13968 flow. Second operand has 12 states, 12 states have (on average 167.25) internal successors, (2007), 12 states have internal predecessors, (2007), 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) [2023-08-29 01:03:18,159 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:03:18,159 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 418 [2023-08-29 01:03:18,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:03:19,867 INFO L130 PetriNetUnfolder]: 1162/2941 cut-off events. [2023-08-29 01:03:19,868 INFO L131 PetriNetUnfolder]: For 98670/98678 co-relation queries the response was YES. [2023-08-29 01:03:19,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26509 conditions, 2941 events. 1162/2941 cut-off events. For 98670/98678 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 22400 event pairs, 186 based on Foata normal form. 10/2866 useless extension candidates. Maximal degree in co-relation 26424. Up to 1380 conditions per place. [2023-08-29 01:03:19,947 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 297 selfloop transitions, 241 changer transitions 0/556 dead transitions. [2023-08-29 01:03:19,947 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 556 transitions, 15879 flow [2023-08-29 01:03:19,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 01:03:19,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 01:03:19,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1929 transitions. [2023-08-29 01:03:19,950 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4195302305350152 [2023-08-29 01:03:19,950 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1929 transitions. [2023-08-29 01:03:19,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1929 transitions. [2023-08-29 01:03:19,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:03:19,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1929 transitions. [2023-08-29 01:03:19,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 175.36363636363637) internal successors, (1929), 11 states have internal predecessors, (1929), 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) [2023-08-29 01:03:19,955 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 418.0) internal successors, (5016), 12 states have internal predecessors, (5016), 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) [2023-08-29 01:03:19,955 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 418.0) internal successors, (5016), 12 states have internal predecessors, (5016), 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) [2023-08-29 01:03:19,955 INFO L175 Difference]: Start difference. First operand has 237 places, 498 transitions, 13968 flow. Second operand 11 states and 1929 transitions. [2023-08-29 01:03:19,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 556 transitions, 15879 flow [2023-08-29 01:03:20,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 556 transitions, 15857 flow, removed 7 selfloop flow, removed 3 redundant places. [2023-08-29 01:03:20,342 INFO L231 Difference]: Finished difference. Result has 249 places, 520 transitions, 15264 flow [2023-08-29 01:03:20,343 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=13946, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=498, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=221, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=15264, PETRI_PLACES=249, PETRI_TRANSITIONS=520} [2023-08-29 01:03:20,343 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 175 predicate places. [2023-08-29 01:03:20,343 INFO L495 AbstractCegarLoop]: Abstraction has has 249 places, 520 transitions, 15264 flow [2023-08-29 01:03:20,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 167.25) internal successors, (2007), 12 states have internal predecessors, (2007), 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) [2023-08-29 01:03:20,344 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:03:20,344 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:03:20,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-29 01:03:20,344 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:03:20,345 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:03:20,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1080257763, now seen corresponding path program 2 times [2023-08-29 01:03:20,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:03:20,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723014517] [2023-08-29 01:03:20,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:03:20,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:03:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:03:20,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:03:20,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:03:20,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723014517] [2023-08-29 01:03:20,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723014517] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:03:20,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:03:20,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:03:20,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410199138] [2023-08-29 01:03:20,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:03:20,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:03:20,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:03:20,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:03:20,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:03:21,729 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 418 [2023-08-29 01:03:21,730 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 520 transitions, 15264 flow. Second operand has 12 states, 12 states have (on average 167.25) internal successors, (2007), 12 states have internal predecessors, (2007), 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) [2023-08-29 01:03:21,730 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:03:21,730 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 418 [2023-08-29 01:03:21,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:03:23,277 INFO L130 PetriNetUnfolder]: 1262/3097 cut-off events. [2023-08-29 01:03:23,277 INFO L131 PetriNetUnfolder]: For 120442/120446 co-relation queries the response was YES. [2023-08-29 01:03:23,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29314 conditions, 3097 events. 1262/3097 cut-off events. For 120442/120446 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 23445 event pairs, 169 based on Foata normal form. 6/3020 useless extension candidates. Maximal degree in co-relation 29224. Up to 1496 conditions per place. [2023-08-29 01:03:23,304 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 306 selfloop transitions, 267 changer transitions 0/591 dead transitions. [2023-08-29 01:03:23,304 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 591 transitions, 17639 flow [2023-08-29 01:03:23,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 01:03:23,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 01:03:23,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1928 transitions. [2023-08-29 01:03:23,306 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41931274467159635 [2023-08-29 01:03:23,306 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1928 transitions. [2023-08-29 01:03:23,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1928 transitions. [2023-08-29 01:03:23,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:03:23,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1928 transitions. [2023-08-29 01:03:23,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 175.27272727272728) internal successors, (1928), 11 states have internal predecessors, (1928), 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) [2023-08-29 01:03:23,310 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 418.0) internal successors, (5016), 12 states have internal predecessors, (5016), 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) [2023-08-29 01:03:23,311 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 418.0) internal successors, (5016), 12 states have internal predecessors, (5016), 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) [2023-08-29 01:03:23,311 INFO L175 Difference]: Start difference. First operand has 249 places, 520 transitions, 15264 flow. Second operand 11 states and 1928 transitions. [2023-08-29 01:03:23,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 591 transitions, 17639 flow [2023-08-29 01:03:23,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 591 transitions, 17472 flow, removed 40 selfloop flow, removed 5 redundant places. [2023-08-29 01:03:23,695 INFO L231 Difference]: Finished difference. Result has 259 places, 554 transitions, 16965 flow [2023-08-29 01:03:23,695 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=15103, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=237, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=16965, PETRI_PLACES=259, PETRI_TRANSITIONS=554} [2023-08-29 01:03:23,696 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 185 predicate places. [2023-08-29 01:03:23,696 INFO L495 AbstractCegarLoop]: Abstraction has has 259 places, 554 transitions, 16965 flow [2023-08-29 01:03:23,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 167.25) internal successors, (2007), 12 states have internal predecessors, (2007), 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) [2023-08-29 01:03:23,696 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:03:23,696 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:03:23,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-29 01:03:23,696 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:03:23,697 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:03:23,697 INFO L85 PathProgramCache]: Analyzing trace with hash -2131111056, now seen corresponding path program 4 times [2023-08-29 01:03:23,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:03:23,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292487130] [2023-08-29 01:03:23,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:03:23,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:03:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:03:24,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:03:24,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:03:24,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292487130] [2023-08-29 01:03:24,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292487130] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:03:24,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:03:24,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:03:24,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639540853] [2023-08-29 01:03:24,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:03:24,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:03:24,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:03:24,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:03:24,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:03:24,937 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 418 [2023-08-29 01:03:24,938 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 554 transitions, 16965 flow. Second operand has 12 states, 12 states have (on average 167.25) internal successors, (2007), 12 states have internal predecessors, (2007), 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) [2023-08-29 01:03:24,938 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:03:24,938 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 418 [2023-08-29 01:03:24,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:03:26,539 INFO L130 PetriNetUnfolder]: 1350/3317 cut-off events. [2023-08-29 01:03:26,540 INFO L131 PetriNetUnfolder]: For 139989/139997 co-relation queries the response was YES. [2023-08-29 01:03:26,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32356 conditions, 3317 events. 1350/3317 cut-off events. For 139989/139997 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 25634 event pairs, 181 based on Foata normal form. 10/3234 useless extension candidates. Maximal degree in co-relation 32262. Up to 1604 conditions per place. [2023-08-29 01:03:26,571 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 318 selfloop transitions, 286 changer transitions 0/622 dead transitions. [2023-08-29 01:03:26,571 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 622 transitions, 19395 flow [2023-08-29 01:03:26,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 01:03:26,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 01:03:26,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1928 transitions. [2023-08-29 01:03:26,573 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41931274467159635 [2023-08-29 01:03:26,574 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1928 transitions. [2023-08-29 01:03:26,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1928 transitions. [2023-08-29 01:03:26,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:03:26,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1928 transitions. [2023-08-29 01:03:26,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 175.27272727272728) internal successors, (1928), 11 states have internal predecessors, (1928), 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) [2023-08-29 01:03:26,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 418.0) internal successors, (5016), 12 states have internal predecessors, (5016), 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) [2023-08-29 01:03:26,580 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 418.0) internal successors, (5016), 12 states have internal predecessors, (5016), 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) [2023-08-29 01:03:26,580 INFO L175 Difference]: Start difference. First operand has 259 places, 554 transitions, 16965 flow. Second operand 11 states and 1928 transitions. [2023-08-29 01:03:26,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 622 transitions, 19395 flow [2023-08-29 01:03:27,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 622 transitions, 19087 flow, removed 34 selfloop flow, removed 5 redundant places. [2023-08-29 01:03:27,050 INFO L231 Difference]: Finished difference. Result has 269 places, 585 transitions, 18559 flow [2023-08-29 01:03:27,051 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=16677, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=554, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=256, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=18559, PETRI_PLACES=269, PETRI_TRANSITIONS=585} [2023-08-29 01:03:27,051 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 195 predicate places. [2023-08-29 01:03:27,052 INFO L495 AbstractCegarLoop]: Abstraction has has 269 places, 585 transitions, 18559 flow [2023-08-29 01:03:27,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 167.25) internal successors, (2007), 12 states have internal predecessors, (2007), 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) [2023-08-29 01:03:27,052 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:03:27,052 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:03:27,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-29 01:03:27,053 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:03:27,053 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:03:27,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1511545741, now seen corresponding path program 3 times [2023-08-29 01:03:27,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:03:27,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97245894] [2023-08-29 01:03:27,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:03:27,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:03:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:03:27,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:03:27,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:03:27,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97245894] [2023-08-29 01:03:27,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97245894] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:03:27,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:03:27,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:03:27,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601786435] [2023-08-29 01:03:27,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:03:27,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:03:27,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:03:27,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:03:27,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:03:28,357 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 418 [2023-08-29 01:03:28,358 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 585 transitions, 18559 flow. Second operand has 12 states, 12 states have (on average 167.25) internal successors, (2007), 12 states have internal predecessors, (2007), 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) [2023-08-29 01:03:28,358 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:03:28,358 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 418 [2023-08-29 01:03:28,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:03:30,361 INFO L130 PetriNetUnfolder]: 1352/3317 cut-off events. [2023-08-29 01:03:30,361 INFO L131 PetriNetUnfolder]: For 148448/148450 co-relation queries the response was YES. [2023-08-29 01:03:30,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33757 conditions, 3317 events. 1352/3317 cut-off events. For 148448/148450 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 25551 event pairs, 210 based on Foata normal form. 4/3230 useless extension candidates. Maximal degree in co-relation 33659. Up to 1618 conditions per place. [2023-08-29 01:03:30,397 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 342 selfloop transitions, 274 changer transitions 0/634 dead transitions. [2023-08-29 01:03:30,397 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 634 transitions, 20516 flow [2023-08-29 01:03:30,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 01:03:30,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 01:03:30,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1929 transitions. [2023-08-29 01:03:30,399 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4195302305350152 [2023-08-29 01:03:30,399 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1929 transitions. [2023-08-29 01:03:30,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1929 transitions. [2023-08-29 01:03:30,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:03:30,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1929 transitions. [2023-08-29 01:03:30,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 175.36363636363637) internal successors, (1929), 11 states have internal predecessors, (1929), 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) [2023-08-29 01:03:30,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 418.0) internal successors, (5016), 12 states have internal predecessors, (5016), 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) [2023-08-29 01:03:30,406 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 418.0) internal successors, (5016), 12 states have internal predecessors, (5016), 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) [2023-08-29 01:03:30,406 INFO L175 Difference]: Start difference. First operand has 269 places, 585 transitions, 18559 flow. Second operand 11 states and 1929 transitions. [2023-08-29 01:03:30,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 634 transitions, 20516 flow [2023-08-29 01:03:30,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 634 transitions, 20366 flow, removed 36 selfloop flow, removed 5 redundant places. [2023-08-29 01:03:30,991 INFO L231 Difference]: Finished difference. Result has 280 places, 603 transitions, 20003 flow [2023-08-29 01:03:30,991 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=18413, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=585, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=257, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=20003, PETRI_PLACES=280, PETRI_TRANSITIONS=603} [2023-08-29 01:03:30,992 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 206 predicate places. [2023-08-29 01:03:30,992 INFO L495 AbstractCegarLoop]: Abstraction has has 280 places, 603 transitions, 20003 flow [2023-08-29 01:03:30,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 167.25) internal successors, (2007), 12 states have internal predecessors, (2007), 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) [2023-08-29 01:03:30,992 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:03:30,992 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:03:30,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-29 01:03:30,993 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:03:30,993 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:03:30,993 INFO L85 PathProgramCache]: Analyzing trace with hash 135915952, now seen corresponding path program 5 times [2023-08-29 01:03:30,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:03:30,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144264164] [2023-08-29 01:03:30,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:03:30,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:03:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:03:31,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:03:31,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:03:31,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144264164] [2023-08-29 01:03:31,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144264164] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:03:31,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:03:31,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:03:31,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426063207] [2023-08-29 01:03:31,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:03:31,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:03:31,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:03:31,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:03:31,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:03:32,111 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 418 [2023-08-29 01:03:32,112 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 603 transitions, 20003 flow. Second operand has 12 states, 12 states have (on average 167.25) internal successors, (2007), 12 states have internal predecessors, (2007), 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) [2023-08-29 01:03:32,112 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:03:32,112 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 418 [2023-08-29 01:03:32,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:03:34,326 INFO L130 PetriNetUnfolder]: 1414/3497 cut-off events. [2023-08-29 01:03:34,326 INFO L131 PetriNetUnfolder]: For 177667/177675 co-relation queries the response was YES. [2023-08-29 01:03:34,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36454 conditions, 3497 events. 1414/3497 cut-off events. For 177667/177675 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 27484 event pairs, 193 based on Foata normal form. 10/3406 useless extension candidates. Maximal degree in co-relation 36351. Up to 1700 conditions per place. [2023-08-29 01:03:34,364 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 317 selfloop transitions, 316 changer transitions 0/651 dead transitions. [2023-08-29 01:03:34,364 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 651 transitions, 22314 flow [2023-08-29 01:03:34,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:03:34,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:03:34,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1753 transitions. [2023-08-29 01:03:34,368 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.419377990430622 [2023-08-29 01:03:34,368 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1753 transitions. [2023-08-29 01:03:34,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1753 transitions. [2023-08-29 01:03:34,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:03:34,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1753 transitions. [2023-08-29 01:03:34,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 175.3) internal successors, (1753), 10 states have internal predecessors, (1753), 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) [2023-08-29 01:03:34,373 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:03:34,374 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:03:34,374 INFO L175 Difference]: Start difference. First operand has 280 places, 603 transitions, 20003 flow. Second operand 10 states and 1753 transitions. [2023-08-29 01:03:34,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 651 transitions, 22314 flow [2023-08-29 01:03:35,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 651 transitions, 22154 flow, removed 46 selfloop flow, removed 5 redundant places. [2023-08-29 01:03:35,054 INFO L231 Difference]: Finished difference. Result has 287 places, 619 transitions, 21588 flow [2023-08-29 01:03:35,055 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=19847, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=603, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=300, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=21588, PETRI_PLACES=287, PETRI_TRANSITIONS=619} [2023-08-29 01:03:35,055 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 213 predicate places. [2023-08-29 01:03:35,055 INFO L495 AbstractCegarLoop]: Abstraction has has 287 places, 619 transitions, 21588 flow [2023-08-29 01:03:35,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 167.25) internal successors, (2007), 12 states have internal predecessors, (2007), 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) [2023-08-29 01:03:35,056 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:03:35,056 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:03:35,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-08-29 01:03:35,056 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:03:35,057 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:03:35,057 INFO L85 PathProgramCache]: Analyzing trace with hash 244279134, now seen corresponding path program 6 times [2023-08-29 01:03:35,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:03:35,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267281268] [2023-08-29 01:03:35,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:03:35,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:03:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:03:35,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:03:35,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:03:35,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267281268] [2023-08-29 01:03:35,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267281268] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:03:35,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:03:35,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:03:35,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45696200] [2023-08-29 01:03:35,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:03:35,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:03:35,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:03:35,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:03:35,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:03:36,483 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 418 [2023-08-29 01:03:36,484 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 619 transitions, 21588 flow. Second operand has 12 states, 12 states have (on average 167.25) internal successors, (2007), 12 states have internal predecessors, (2007), 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) [2023-08-29 01:03:36,484 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:03:36,484 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 418 [2023-08-29 01:03:36,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:03:38,610 INFO L130 PetriNetUnfolder]: 1448/3621 cut-off events. [2023-08-29 01:03:38,610 INFO L131 PetriNetUnfolder]: For 193778/193786 co-relation queries the response was YES. [2023-08-29 01:03:38,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38440 conditions, 3621 events. 1448/3621 cut-off events. For 193778/193786 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 28897 event pairs, 193 based on Foata normal form. 10/3522 useless extension candidates. Maximal degree in co-relation 38336. Up to 1754 conditions per place. [2023-08-29 01:03:38,726 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 322 selfloop transitions, 326 changer transitions 0/666 dead transitions. [2023-08-29 01:03:38,726 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 666 transitions, 23674 flow [2023-08-29 01:03:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 01:03:38,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 01:03:38,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1925 transitions. [2023-08-29 01:03:38,728 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41866028708133973 [2023-08-29 01:03:38,728 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1925 transitions. [2023-08-29 01:03:38,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1925 transitions. [2023-08-29 01:03:38,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:03:38,729 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1925 transitions. [2023-08-29 01:03:38,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 175.0) internal successors, (1925), 11 states have internal predecessors, (1925), 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) [2023-08-29 01:03:38,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 418.0) internal successors, (5016), 12 states have internal predecessors, (5016), 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) [2023-08-29 01:03:38,735 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 418.0) internal successors, (5016), 12 states have internal predecessors, (5016), 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) [2023-08-29 01:03:38,735 INFO L175 Difference]: Start difference. First operand has 287 places, 619 transitions, 21588 flow. Second operand 11 states and 1925 transitions. [2023-08-29 01:03:38,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 666 transitions, 23674 flow [2023-08-29 01:03:39,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 666 transitions, 23039 flow, removed 9 selfloop flow, removed 8 redundant places. [2023-08-29 01:03:39,535 INFO L231 Difference]: Finished difference. Result has 293 places, 637 transitions, 22644 flow [2023-08-29 01:03:39,535 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=20966, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=619, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=309, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=22644, PETRI_PLACES=293, PETRI_TRANSITIONS=637} [2023-08-29 01:03:39,535 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 219 predicate places. [2023-08-29 01:03:39,535 INFO L495 AbstractCegarLoop]: Abstraction has has 293 places, 637 transitions, 22644 flow [2023-08-29 01:03:39,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 167.25) internal successors, (2007), 12 states have internal predecessors, (2007), 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) [2023-08-29 01:03:39,536 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:03:39,536 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:03:39,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-08-29 01:03:39,536 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:03:39,537 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:03:39,537 INFO L85 PathProgramCache]: Analyzing trace with hash -779847309, now seen corresponding path program 4 times [2023-08-29 01:03:39,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:03:39,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519522163] [2023-08-29 01:03:39,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:03:39,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:03:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:03:39,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:03:39,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:03:39,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519522163] [2023-08-29 01:03:39,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519522163] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:03:39,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:03:39,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:03:39,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649932288] [2023-08-29 01:03:39,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:03:39,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:03:39,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:03:39,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:03:39,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:03:40,889 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 418 [2023-08-29 01:03:40,890 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 637 transitions, 22644 flow. Second operand has 12 states, 12 states have (on average 167.25) internal successors, (2007), 12 states have internal predecessors, (2007), 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) [2023-08-29 01:03:40,890 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:03:40,890 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 418 [2023-08-29 01:03:40,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:03:43,092 INFO L130 PetriNetUnfolder]: 1466/3599 cut-off events. [2023-08-29 01:03:43,093 INFO L131 PetriNetUnfolder]: For 192774/192783 co-relation queries the response was YES. [2023-08-29 01:03:43,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39926 conditions, 3599 events. 1466/3599 cut-off events. For 192774/192783 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 28436 event pairs, 188 based on Foata normal form. 9/3510 useless extension candidates. Maximal degree in co-relation 39819. Up to 1800 conditions per place. [2023-08-29 01:03:43,148 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 325 selfloop transitions, 346 changer transitions 0/689 dead transitions. [2023-08-29 01:03:43,148 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 689 transitions, 25047 flow [2023-08-29 01:03:43,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 01:03:43,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 01:03:43,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1925 transitions. [2023-08-29 01:03:43,150 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41866028708133973 [2023-08-29 01:03:43,150 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1925 transitions. [2023-08-29 01:03:43,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1925 transitions. [2023-08-29 01:03:43,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:03:43,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1925 transitions. [2023-08-29 01:03:43,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 175.0) internal successors, (1925), 11 states have internal predecessors, (1925), 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) [2023-08-29 01:03:43,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 418.0) internal successors, (5016), 12 states have internal predecessors, (5016), 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) [2023-08-29 01:03:43,155 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 418.0) internal successors, (5016), 12 states have internal predecessors, (5016), 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) [2023-08-29 01:03:43,155 INFO L175 Difference]: Start difference. First operand has 293 places, 637 transitions, 22644 flow. Second operand 11 states and 1925 transitions. [2023-08-29 01:03:43,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 689 transitions, 25047 flow [2023-08-29 01:03:43,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 689 transitions, 24892 flow, removed 33 selfloop flow, removed 5 redundant places. [2023-08-29 01:03:43,944 INFO L231 Difference]: Finished difference. Result has 302 places, 660 transitions, 24522 flow [2023-08-29 01:03:43,945 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=22491, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=637, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=324, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=24522, PETRI_PLACES=302, PETRI_TRANSITIONS=660} [2023-08-29 01:03:43,945 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 228 predicate places. [2023-08-29 01:03:43,945 INFO L495 AbstractCegarLoop]: Abstraction has has 302 places, 660 transitions, 24522 flow [2023-08-29 01:03:43,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 167.25) internal successors, (2007), 12 states have internal predecessors, (2007), 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) [2023-08-29 01:03:43,946 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:03:43,946 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:03:43,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-08-29 01:03:43,946 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:03:43,947 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:03:43,947 INFO L85 PathProgramCache]: Analyzing trace with hash -644346760, now seen corresponding path program 1 times [2023-08-29 01:03:43,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:03:43,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3779047] [2023-08-29 01:03:43,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:03:43,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:03:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:03:44,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:03:44,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:03:44,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3779047] [2023-08-29 01:03:44,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3779047] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:03:44,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:03:44,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:03:44,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841196215] [2023-08-29 01:03:44,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:03:44,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:03:44,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:03:44,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:03:44,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:03:45,194 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:03:45,195 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 660 transitions, 24522 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:03:45,195 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:03:45,195 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:03:45,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:03:47,057 INFO L130 PetriNetUnfolder]: 1466/3615 cut-off events. [2023-08-29 01:03:47,058 INFO L131 PetriNetUnfolder]: For 195336/195341 co-relation queries the response was YES. [2023-08-29 01:03:47,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41398 conditions, 3615 events. 1466/3615 cut-off events. For 195336/195341 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 28736 event pairs, 233 based on Foata normal form. 6/3521 useless extension candidates. Maximal degree in co-relation 41288. Up to 1800 conditions per place. [2023-08-29 01:03:47,097 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 557 selfloop transitions, 209 changer transitions 0/784 dead transitions. [2023-08-29 01:03:47,097 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 784 transitions, 28246 flow [2023-08-29 01:03:47,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:03:47,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:03:47,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2429 transitions. [2023-08-29 01:03:47,100 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4150717703349282 [2023-08-29 01:03:47,100 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2429 transitions. [2023-08-29 01:03:47,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2429 transitions. [2023-08-29 01:03:47,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:03:47,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2429 transitions. [2023-08-29 01:03:47,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 173.5) internal successors, (2429), 14 states have internal predecessors, (2429), 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) [2023-08-29 01:03:47,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:03:47,106 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:03:47,106 INFO L175 Difference]: Start difference. First operand has 302 places, 660 transitions, 24522 flow. Second operand 14 states and 2429 transitions. [2023-08-29 01:03:47,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 784 transitions, 28246 flow [2023-08-29 01:03:47,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 784 transitions, 28048 flow, removed 24 selfloop flow, removed 6 redundant places. [2023-08-29 01:03:47,918 INFO L231 Difference]: Finished difference. Result has 316 places, 679 transitions, 25444 flow [2023-08-29 01:03:47,918 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=24333, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=660, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=190, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=452, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=25444, PETRI_PLACES=316, PETRI_TRANSITIONS=679} [2023-08-29 01:03:47,919 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 242 predicate places. [2023-08-29 01:03:47,919 INFO L495 AbstractCegarLoop]: Abstraction has has 316 places, 679 transitions, 25444 flow [2023-08-29 01:03:47,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:03:47,920 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:03:47,920 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:03:47,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-08-29 01:03:47,920 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:03:47,920 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:03:47,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1729148174, now seen corresponding path program 2 times [2023-08-29 01:03:47,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:03:47,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540699914] [2023-08-29 01:03:47,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:03:47,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:03:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:03:48,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:03:48,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:03:48,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540699914] [2023-08-29 01:03:48,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540699914] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:03:48,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:03:48,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:03:48,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385880572] [2023-08-29 01:03:48,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:03:48,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:03:48,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:03:48,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:03:48,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:03:49,463 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:03:49,464 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 679 transitions, 25444 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:03:49,464 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:03:49,464 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:03:49,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:03:51,892 INFO L130 PetriNetUnfolder]: 1488/3719 cut-off events. [2023-08-29 01:03:51,892 INFO L131 PetriNetUnfolder]: For 216026/216034 co-relation queries the response was YES. [2023-08-29 01:03:51,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42951 conditions, 3719 events. 1488/3719 cut-off events. For 216026/216034 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 30023 event pairs, 233 based on Foata normal form. 9/3623 useless extension candidates. Maximal degree in co-relation 42835. Up to 1826 conditions per place. [2023-08-29 01:03:51,941 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 560 selfloop transitions, 233 changer transitions 0/811 dead transitions. [2023-08-29 01:03:51,941 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 811 transitions, 29645 flow [2023-08-29 01:03:51,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:03:51,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:03:51,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2441 transitions. [2023-08-29 01:03:51,945 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41712235133287767 [2023-08-29 01:03:51,945 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2441 transitions. [2023-08-29 01:03:51,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2441 transitions. [2023-08-29 01:03:51,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:03:51,945 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2441 transitions. [2023-08-29 01:03:51,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 174.35714285714286) internal successors, (2441), 14 states have internal predecessors, (2441), 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) [2023-08-29 01:03:51,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:03:51,952 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:03:51,952 INFO L175 Difference]: Start difference. First operand has 316 places, 679 transitions, 25444 flow. Second operand 14 states and 2441 transitions. [2023-08-29 01:03:51,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 811 transitions, 29645 flow [2023-08-29 01:03:52,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 811 transitions, 29264 flow, removed 48 selfloop flow, removed 8 redundant places. [2023-08-29 01:03:52,963 INFO L231 Difference]: Finished difference. Result has 326 places, 699 transitions, 26411 flow [2023-08-29 01:03:52,963 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=25069, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=679, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=216, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=451, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=26411, PETRI_PLACES=326, PETRI_TRANSITIONS=699} [2023-08-29 01:03:52,963 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 252 predicate places. [2023-08-29 01:03:52,964 INFO L495 AbstractCegarLoop]: Abstraction has has 326 places, 699 transitions, 26411 flow [2023-08-29 01:03:52,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:03:52,964 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:03:52,964 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:03:52,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-08-29 01:03:52,964 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:03:52,965 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:03:52,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1695097458, now seen corresponding path program 3 times [2023-08-29 01:03:52,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:03:52,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661091396] [2023-08-29 01:03:52,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:03:52,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:03:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:03:53,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:03:53,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:03:53,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661091396] [2023-08-29 01:03:53,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661091396] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:03:53,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:03:53,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:03:53,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002964560] [2023-08-29 01:03:53,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:03:53,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:03:53,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:03:53,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:03:53,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:03:54,461 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 418 [2023-08-29 01:03:54,462 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 699 transitions, 26411 flow. Second operand has 13 states, 13 states have (on average 162.30769230769232) internal successors, (2110), 13 states have internal predecessors, (2110), 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) [2023-08-29 01:03:54,462 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:03:54,462 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 418 [2023-08-29 01:03:54,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:03:56,847 INFO L130 PetriNetUnfolder]: 1524/3871 cut-off events. [2023-08-29 01:03:56,847 INFO L131 PetriNetUnfolder]: For 232355/232370 co-relation queries the response was YES. [2023-08-29 01:03:56,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44732 conditions, 3871 events. 1524/3871 cut-off events. For 232355/232370 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 31882 event pairs, 267 based on Foata normal form. 14/3773 useless extension candidates. Maximal degree in co-relation 44616. Up to 1876 conditions per place. [2023-08-29 01:03:56,892 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 559 selfloop transitions, 246 changer transitions 0/823 dead transitions. [2023-08-29 01:03:56,893 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 823 transitions, 30711 flow [2023-08-29 01:03:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-29 01:03:56,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-29 01:03:56,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2230 transitions. [2023-08-29 01:03:56,895 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4103790945896209 [2023-08-29 01:03:56,895 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2230 transitions. [2023-08-29 01:03:56,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2230 transitions. [2023-08-29 01:03:56,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:03:56,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2230 transitions. [2023-08-29 01:03:56,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 171.53846153846155) internal successors, (2230), 13 states have internal predecessors, (2230), 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) [2023-08-29 01:03:56,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 418.0) internal successors, (5852), 14 states have internal predecessors, (5852), 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) [2023-08-29 01:03:56,900 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 418.0) internal successors, (5852), 14 states have internal predecessors, (5852), 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) [2023-08-29 01:03:56,900 INFO L175 Difference]: Start difference. First operand has 326 places, 699 transitions, 26411 flow. Second operand 13 states and 2230 transitions. [2023-08-29 01:03:56,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 823 transitions, 30711 flow [2023-08-29 01:03:57,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 823 transitions, 30203 flow, removed 48 selfloop flow, removed 9 redundant places. [2023-08-29 01:03:57,808 INFO L231 Difference]: Finished difference. Result has 332 places, 712 transitions, 27164 flow [2023-08-29 01:03:57,809 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=25911, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=699, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=233, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=27164, PETRI_PLACES=332, PETRI_TRANSITIONS=712} [2023-08-29 01:03:57,809 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 258 predicate places. [2023-08-29 01:03:57,809 INFO L495 AbstractCegarLoop]: Abstraction has has 332 places, 712 transitions, 27164 flow [2023-08-29 01:03:57,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 162.30769230769232) internal successors, (2110), 13 states have internal predecessors, (2110), 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) [2023-08-29 01:03:57,810 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:03:57,810 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:03:57,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-08-29 01:03:57,810 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:03:57,810 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:03:57,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1700755400, now seen corresponding path program 4 times [2023-08-29 01:03:57,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:03:57,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572151272] [2023-08-29 01:03:57,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:03:57,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:03:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:03:58,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:03:58,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:03:58,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572151272] [2023-08-29 01:03:58,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572151272] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:03:58,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:03:58,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:03:58,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584556360] [2023-08-29 01:03:58,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:03:58,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:03:58,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:03:58,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:03:58,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:03:59,089 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:03:59,090 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 712 transitions, 27164 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:03:59,090 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:03:59,090 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:03:59,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:04:01,231 INFO L130 PetriNetUnfolder]: 1536/3972 cut-off events. [2023-08-29 01:04:01,231 INFO L131 PetriNetUnfolder]: For 238884/238898 co-relation queries the response was YES. [2023-08-29 01:04:01,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45354 conditions, 3972 events. 1536/3972 cut-off events. For 238884/238898 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 33290 event pairs, 273 based on Foata normal form. 13/3864 useless extension candidates. Maximal degree in co-relation 45236. Up to 1892 conditions per place. [2023-08-29 01:04:01,280 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 560 selfloop transitions, 251 changer transitions 0/829 dead transitions. [2023-08-29 01:04:01,281 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 829 transitions, 30879 flow [2023-08-29 01:04:01,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:04:01,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:04:01,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2438 transitions. [2023-08-29 01:04:01,283 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4166097060833903 [2023-08-29 01:04:01,284 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2438 transitions. [2023-08-29 01:04:01,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2438 transitions. [2023-08-29 01:04:01,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:04:01,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2438 transitions. [2023-08-29 01:04:01,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 174.14285714285714) internal successors, (2438), 14 states have internal predecessors, (2438), 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) [2023-08-29 01:04:01,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:04:01,290 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:04:01,290 INFO L175 Difference]: Start difference. First operand has 332 places, 712 transitions, 27164 flow. Second operand 14 states and 2438 transitions. [2023-08-29 01:04:01,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 829 transitions, 30879 flow [2023-08-29 01:04:02,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 829 transitions, 30679 flow, removed 1 selfloop flow, removed 6 redundant places. [2023-08-29 01:04:02,417 INFO L231 Difference]: Finished difference. Result has 343 places, 723 transitions, 27952 flow [2023-08-29 01:04:02,418 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=26964, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=712, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=240, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=27952, PETRI_PLACES=343, PETRI_TRANSITIONS=723} [2023-08-29 01:04:02,418 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 269 predicate places. [2023-08-29 01:04:02,418 INFO L495 AbstractCegarLoop]: Abstraction has has 343 places, 723 transitions, 27952 flow [2023-08-29 01:04:02,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:04:02,419 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:04:02,419 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:04:02,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-08-29 01:04:02,419 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:04:02,419 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:04:02,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1244122744, now seen corresponding path program 5 times [2023-08-29 01:04:02,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:04:02,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723201999] [2023-08-29 01:04:02,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:04:02,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:04:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:04:02,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:04:02,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:04:02,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723201999] [2023-08-29 01:04:02,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723201999] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:04:02,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:04:02,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:04:02,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672830351] [2023-08-29 01:04:02,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:04:02,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:04:02,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:04:02,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:04:02,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:04:03,722 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:04:03,723 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 723 transitions, 27952 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:04:03,723 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:04:03,723 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:04:03,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:04:05,931 INFO L130 PetriNetUnfolder]: 1548/4097 cut-off events. [2023-08-29 01:04:05,932 INFO L131 PetriNetUnfolder]: For 248956/248963 co-relation queries the response was YES. [2023-08-29 01:04:05,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46471 conditions, 4097 events. 1548/4097 cut-off events. For 248956/248963 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 35099 event pairs, 293 based on Foata normal form. 8/3971 useless extension candidates. Maximal degree in co-relation 46349. Up to 1908 conditions per place. [2023-08-29 01:04:05,981 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 576 selfloop transitions, 241 changer transitions 0/835 dead transitions. [2023-08-29 01:04:05,981 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 835 transitions, 31538 flow [2023-08-29 01:04:05,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:04:05,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:04:05,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2440 transitions. [2023-08-29 01:04:05,983 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4169514695830485 [2023-08-29 01:04:05,983 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2440 transitions. [2023-08-29 01:04:05,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2440 transitions. [2023-08-29 01:04:05,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:04:05,984 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2440 transitions. [2023-08-29 01:04:05,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 174.28571428571428) internal successors, (2440), 14 states have internal predecessors, (2440), 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) [2023-08-29 01:04:05,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:04:05,988 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:04:05,988 INFO L175 Difference]: Start difference. First operand has 343 places, 723 transitions, 27952 flow. Second operand 14 states and 2440 transitions. [2023-08-29 01:04:05,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 835 transitions, 31538 flow [2023-08-29 01:04:06,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 835 transitions, 31099 flow, removed 26 selfloop flow, removed 9 redundant places. [2023-08-29 01:04:06,984 INFO L231 Difference]: Finished difference. Result has 352 places, 735 transitions, 28509 flow [2023-08-29 01:04:06,985 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=27513, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=723, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=229, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=484, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=28509, PETRI_PLACES=352, PETRI_TRANSITIONS=735} [2023-08-29 01:04:06,985 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 278 predicate places. [2023-08-29 01:04:06,985 INFO L495 AbstractCegarLoop]: Abstraction has has 352 places, 735 transitions, 28509 flow [2023-08-29 01:04:06,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:04:06,985 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:04:06,986 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:04:06,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-08-29 01:04:06,986 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:04:06,986 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:04:06,986 INFO L85 PathProgramCache]: Analyzing trace with hash 189939986, now seen corresponding path program 6 times [2023-08-29 01:04:06,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:04:06,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248304548] [2023-08-29 01:04:06,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:04:06,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:04:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:04:07,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:04:07,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:04:07,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248304548] [2023-08-29 01:04:07,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248304548] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:04:07,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:04:07,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:04:07,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812837736] [2023-08-29 01:04:07,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:04:07,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:04:07,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:04:07,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:04:07,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:04:08,218 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:04:08,219 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 735 transitions, 28509 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:04:08,219 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:04:08,219 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:04:08,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:04:10,902 INFO L130 PetriNetUnfolder]: 1845/4855 cut-off events. [2023-08-29 01:04:10,903 INFO L131 PetriNetUnfolder]: For 298840/298854 co-relation queries the response was YES. [2023-08-29 01:04:10,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55187 conditions, 4855 events. 1845/4855 cut-off events. For 298840/298854 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 42731 event pairs, 282 based on Foata normal form. 13/4714 useless extension candidates. Maximal degree in co-relation 55060. Up to 2268 conditions per place. [2023-08-29 01:04:10,965 INFO L137 encePairwiseOnDemand]: 403/418 looper letters, 702 selfloop transitions, 267 changer transitions 0/987 dead transitions. [2023-08-29 01:04:10,965 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 987 transitions, 37484 flow [2023-08-29 01:04:10,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:04:10,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:04:10,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2446 transitions. [2023-08-29 01:04:10,968 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4179767600820232 [2023-08-29 01:04:10,968 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2446 transitions. [2023-08-29 01:04:10,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2446 transitions. [2023-08-29 01:04:10,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:04:10,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2446 transitions. [2023-08-29 01:04:10,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 174.71428571428572) internal successors, (2446), 14 states have internal predecessors, (2446), 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) [2023-08-29 01:04:10,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:04:10,975 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:04:10,975 INFO L175 Difference]: Start difference. First operand has 352 places, 735 transitions, 28509 flow. Second operand 14 states and 2446 transitions. [2023-08-29 01:04:10,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 987 transitions, 37484 flow [2023-08-29 01:04:12,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 987 transitions, 36999 flow, removed 46 selfloop flow, removed 6 redundant places. [2023-08-29 01:04:12,468 INFO L231 Difference]: Finished difference. Result has 367 places, 784 transitions, 31649 flow [2023-08-29 01:04:12,468 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=28088, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=735, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=219, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=482, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=31649, PETRI_PLACES=367, PETRI_TRANSITIONS=784} [2023-08-29 01:04:12,469 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 293 predicate places. [2023-08-29 01:04:12,469 INFO L495 AbstractCegarLoop]: Abstraction has has 367 places, 784 transitions, 31649 flow [2023-08-29 01:04:12,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:04:12,469 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:04:12,469 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:04:12,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-08-29 01:04:12,470 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:04:12,470 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:04:12,470 INFO L85 PathProgramCache]: Analyzing trace with hash -615787332, now seen corresponding path program 7 times [2023-08-29 01:04:12,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:04:12,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066294669] [2023-08-29 01:04:12,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:04:12,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:04:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:04:12,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:04:12,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:04:12,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066294669] [2023-08-29 01:04:12,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066294669] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:04:12,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:04:12,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:04:12,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678855580] [2023-08-29 01:04:12,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:04:12,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:04:12,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:04:12,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:04:12,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:04:13,935 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:04:13,936 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 784 transitions, 31649 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:04:13,936 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:04:13,937 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:04:13,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:04:17,743 INFO L130 PetriNetUnfolder]: 1861/4943 cut-off events. [2023-08-29 01:04:17,744 INFO L131 PetriNetUnfolder]: For 320189/320206 co-relation queries the response was YES. [2023-08-29 01:04:17,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56584 conditions, 4943 events. 1861/4943 cut-off events. For 320189/320206 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 43988 event pairs, 310 based on Foata normal form. 16/4800 useless extension candidates. Maximal degree in co-relation 56449. Up to 2288 conditions per place. [2023-08-29 01:04:17,812 INFO L137 encePairwiseOnDemand]: 403/418 looper letters, 590 selfloop transitions, 290 changer transitions 0/898 dead transitions. [2023-08-29 01:04:17,813 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 898 transitions, 35532 flow [2023-08-29 01:04:17,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:04:17,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:04:17,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2435 transitions. [2023-08-29 01:04:17,818 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41609706083390297 [2023-08-29 01:04:17,818 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2435 transitions. [2023-08-29 01:04:17,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2435 transitions. [2023-08-29 01:04:17,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:04:17,819 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2435 transitions. [2023-08-29 01:04:17,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 173.92857142857142) internal successors, (2435), 14 states have internal predecessors, (2435), 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) [2023-08-29 01:04:17,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:04:17,825 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:04:17,825 INFO L175 Difference]: Start difference. First operand has 367 places, 784 transitions, 31649 flow. Second operand 14 states and 2435 transitions. [2023-08-29 01:04:17,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 898 transitions, 35532 flow [2023-08-29 01:04:19,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 898 transitions, 35414 flow, removed 49 selfloop flow, removed 4 redundant places. [2023-08-29 01:04:19,413 INFO L231 Difference]: Finished difference. Result has 381 places, 796 transitions, 32978 flow [2023-08-29 01:04:19,414 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=31535, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=784, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=278, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=32978, PETRI_PLACES=381, PETRI_TRANSITIONS=796} [2023-08-29 01:04:19,415 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 307 predicate places. [2023-08-29 01:04:19,415 INFO L495 AbstractCegarLoop]: Abstraction has has 381 places, 796 transitions, 32978 flow [2023-08-29 01:04:19,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:04:19,415 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:04:19,415 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:04:19,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-08-29 01:04:19,416 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:04:19,416 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:04:19,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1690728234, now seen corresponding path program 8 times [2023-08-29 01:04:19,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:04:19,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254826276] [2023-08-29 01:04:19,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:04:19,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:04:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:04:19,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:04:19,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:04:19,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254826276] [2023-08-29 01:04:19,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254826276] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:04:19,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:04:19,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:04:19,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153243516] [2023-08-29 01:04:19,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:04:19,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:04:19,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:04:19,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:04:19,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:04:20,905 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 418 [2023-08-29 01:04:20,906 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 796 transitions, 32978 flow. Second operand has 13 states, 13 states have (on average 162.30769230769232) internal successors, (2110), 13 states have internal predecessors, (2110), 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) [2023-08-29 01:04:20,906 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:04:20,907 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 418 [2023-08-29 01:04:20,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:04:23,859 INFO L130 PetriNetUnfolder]: 1869/5101 cut-off events. [2023-08-29 01:04:23,860 INFO L131 PetriNetUnfolder]: For 347957/347960 co-relation queries the response was YES. [2023-08-29 01:04:23,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58376 conditions, 5101 events. 1869/5101 cut-off events. For 347957/347960 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 46176 event pairs, 327 based on Foata normal form. 2/4926 useless extension candidates. Maximal degree in co-relation 58237. Up to 2301 conditions per place. [2023-08-29 01:04:23,922 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 663 selfloop transitions, 280 changer transitions 0/961 dead transitions. [2023-08-29 01:04:23,923 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 961 transitions, 38385 flow [2023-08-29 01:04:23,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:04:23,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:04:23,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2384 transitions. [2023-08-29 01:04:23,925 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4073820915926179 [2023-08-29 01:04:23,925 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2384 transitions. [2023-08-29 01:04:23,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2384 transitions. [2023-08-29 01:04:23,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:04:23,926 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2384 transitions. [2023-08-29 01:04:23,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 170.28571428571428) internal successors, (2384), 14 states have internal predecessors, (2384), 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) [2023-08-29 01:04:23,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:04:23,932 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:04:23,933 INFO L175 Difference]: Start difference. First operand has 381 places, 796 transitions, 32978 flow. Second operand 14 states and 2384 transitions. [2023-08-29 01:04:23,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 961 transitions, 38385 flow [2023-08-29 01:04:25,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 961 transitions, 38115 flow, removed 27 selfloop flow, removed 8 redundant places. [2023-08-29 01:04:25,555 INFO L231 Difference]: Finished difference. Result has 392 places, 821 transitions, 34639 flow [2023-08-29 01:04:25,556 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=32716, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=796, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=255, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=518, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=34639, PETRI_PLACES=392, PETRI_TRANSITIONS=821} [2023-08-29 01:04:25,556 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 318 predicate places. [2023-08-29 01:04:25,557 INFO L495 AbstractCegarLoop]: Abstraction has has 392 places, 821 transitions, 34639 flow [2023-08-29 01:04:25,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 162.30769230769232) internal successors, (2110), 13 states have internal predecessors, (2110), 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) [2023-08-29 01:04:25,557 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:04:25,557 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:04:25,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-08-29 01:04:25,558 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:04:25,558 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:04:25,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1358033738, now seen corresponding path program 9 times [2023-08-29 01:04:25,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:04:25,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243237782] [2023-08-29 01:04:25,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:04:25,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:04:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:04:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:04:25,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:04:25,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243237782] [2023-08-29 01:04:25,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243237782] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:04:25,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:04:25,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:04:25,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856799759] [2023-08-29 01:04:25,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:04:25,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:04:25,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:04:25,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:04:25,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:04:27,027 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:04:27,028 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 821 transitions, 34639 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:04:27,028 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:04:27,028 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:04:27,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:04:30,087 INFO L130 PetriNetUnfolder]: 1875/5169 cut-off events. [2023-08-29 01:04:30,087 INFO L131 PetriNetUnfolder]: For 374495/374498 co-relation queries the response was YES. [2023-08-29 01:04:30,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59721 conditions, 5169 events. 1875/5169 cut-off events. For 374495/374498 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 47189 event pairs, 379 based on Foata normal form. 2/4990 useless extension candidates. Maximal degree in co-relation 59576. Up to 2311 conditions per place. [2023-08-29 01:04:30,162 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 580 selfloop transitions, 294 changer transitions 0/892 dead transitions. [2023-08-29 01:04:30,162 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 892 transitions, 37575 flow [2023-08-29 01:04:30,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:04:30,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:04:30,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2419 transitions. [2023-08-29 01:04:30,164 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41336295283663704 [2023-08-29 01:04:30,164 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2419 transitions. [2023-08-29 01:04:30,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2419 transitions. [2023-08-29 01:04:30,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:04:30,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2419 transitions. [2023-08-29 01:04:30,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 172.78571428571428) internal successors, (2419), 14 states have internal predecessors, (2419), 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) [2023-08-29 01:04:30,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:04:30,169 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:04:30,169 INFO L175 Difference]: Start difference. First operand has 392 places, 821 transitions, 34639 flow. Second operand 14 states and 2419 transitions. [2023-08-29 01:04:30,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 892 transitions, 37575 flow [2023-08-29 01:04:32,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 892 transitions, 37271 flow, removed 62 selfloop flow, removed 5 redundant places. [2023-08-29 01:04:32,190 INFO L231 Difference]: Finished difference. Result has 405 places, 839 transitions, 35968 flow [2023-08-29 01:04:32,191 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=34344, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=821, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=278, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=35968, PETRI_PLACES=405, PETRI_TRANSITIONS=839} [2023-08-29 01:04:32,191 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 331 predicate places. [2023-08-29 01:04:32,192 INFO L495 AbstractCegarLoop]: Abstraction has has 405 places, 839 transitions, 35968 flow [2023-08-29 01:04:32,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:04:32,192 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:04:32,192 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:04:32,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-08-29 01:04:32,193 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:04:32,193 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:04:32,193 INFO L85 PathProgramCache]: Analyzing trace with hash 960398798, now seen corresponding path program 10 times [2023-08-29 01:04:32,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:04:32,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199919048] [2023-08-29 01:04:32,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:04:32,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:04:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:04:32,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:04:32,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:04:32,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199919048] [2023-08-29 01:04:32,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199919048] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:04:32,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:04:32,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:04:32,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162500067] [2023-08-29 01:04:32,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:04:32,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:04:32,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:04:32,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:04:32,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:04:33,760 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:04:33,761 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 839 transitions, 35968 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:04:33,761 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:04:33,761 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:04:33,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:04:36,846 INFO L130 PetriNetUnfolder]: 1879/5227 cut-off events. [2023-08-29 01:04:36,847 INFO L131 PetriNetUnfolder]: For 398436/398439 co-relation queries the response was YES. [2023-08-29 01:04:36,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60815 conditions, 5227 events. 1879/5227 cut-off events. For 398436/398439 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 48083 event pairs, 384 based on Foata normal form. 2/5044 useless extension candidates. Maximal degree in co-relation 60666. Up to 2319 conditions per place. [2023-08-29 01:04:36,924 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 574 selfloop transitions, 312 changer transitions 0/904 dead transitions. [2023-08-29 01:04:36,924 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 904 transitions, 38751 flow [2023-08-29 01:04:36,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:04:36,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:04:36,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2418 transitions. [2023-08-29 01:04:36,927 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41319207108680794 [2023-08-29 01:04:36,927 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2418 transitions. [2023-08-29 01:04:36,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2418 transitions. [2023-08-29 01:04:36,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:04:36,928 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2418 transitions. [2023-08-29 01:04:36,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 172.71428571428572) internal successors, (2418), 14 states have internal predecessors, (2418), 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) [2023-08-29 01:04:36,933 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:04:36,934 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:04:36,934 INFO L175 Difference]: Start difference. First operand has 405 places, 839 transitions, 35968 flow. Second operand 14 states and 2418 transitions. [2023-08-29 01:04:36,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 904 transitions, 38751 flow [2023-08-29 01:04:39,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 904 transitions, 38455 flow, removed 72 selfloop flow, removed 6 redundant places. [2023-08-29 01:04:39,035 INFO L231 Difference]: Finished difference. Result has 417 places, 855 transitions, 37276 flow [2023-08-29 01:04:39,036 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=35676, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=839, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=296, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=529, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=37276, PETRI_PLACES=417, PETRI_TRANSITIONS=855} [2023-08-29 01:04:39,036 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 343 predicate places. [2023-08-29 01:04:39,036 INFO L495 AbstractCegarLoop]: Abstraction has has 417 places, 855 transitions, 37276 flow [2023-08-29 01:04:39,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:04:39,037 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:04:39,037 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:04:39,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-08-29 01:04:39,037 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:04:39,038 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:04:39,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1251051702, now seen corresponding path program 11 times [2023-08-29 01:04:39,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:04:39,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599168208] [2023-08-29 01:04:39,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:04:39,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:04:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:04:39,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:04:39,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:04:39,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599168208] [2023-08-29 01:04:39,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599168208] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:04:39,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:04:39,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:04:39,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297758991] [2023-08-29 01:04:39,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:04:39,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:04:39,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:04:39,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:04:39,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:04:40,509 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:04:40,510 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 855 transitions, 37276 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:04:40,510 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:04:40,510 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:04:40,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:04:43,827 INFO L130 PetriNetUnfolder]: 1879/5274 cut-off events. [2023-08-29 01:04:43,827 INFO L131 PetriNetUnfolder]: For 419983/419986 co-relation queries the response was YES. [2023-08-29 01:04:43,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61904 conditions, 5274 events. 1879/5274 cut-off events. For 419983/419986 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 48878 event pairs, 381 based on Foata normal form. 2/5087 useless extension candidates. Maximal degree in co-relation 61751. Up to 2323 conditions per place. [2023-08-29 01:04:43,900 INFO L137 encePairwiseOnDemand]: 404/418 looper letters, 564 selfloop transitions, 327 changer transitions 0/909 dead transitions. [2023-08-29 01:04:43,900 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 909 transitions, 39629 flow [2023-08-29 01:04:43,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:04:43,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:04:43,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2415 transitions. [2023-08-29 01:04:43,902 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4126794258373206 [2023-08-29 01:04:43,902 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2415 transitions. [2023-08-29 01:04:43,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2415 transitions. [2023-08-29 01:04:43,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:04:43,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2415 transitions. [2023-08-29 01:04:43,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 172.5) internal successors, (2415), 14 states have internal predecessors, (2415), 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) [2023-08-29 01:04:43,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:04:43,906 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:04:43,906 INFO L175 Difference]: Start difference. First operand has 417 places, 855 transitions, 37276 flow. Second operand 14 states and 2415 transitions. [2023-08-29 01:04:43,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 909 transitions, 39629 flow [2023-08-29 01:04:45,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 909 transitions, 39383 flow, removed 61 selfloop flow, removed 7 redundant places. [2023-08-29 01:04:45,913 INFO L231 Difference]: Finished difference. Result has 427 places, 865 transitions, 38372 flow [2023-08-29 01:04:45,914 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=37036, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=855, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=317, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=530, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=38372, PETRI_PLACES=427, PETRI_TRANSITIONS=865} [2023-08-29 01:04:45,914 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 353 predicate places. [2023-08-29 01:04:45,915 INFO L495 AbstractCegarLoop]: Abstraction has has 427 places, 865 transitions, 38372 flow [2023-08-29 01:04:45,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:04:45,915 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:04:45,915 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:04:45,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-08-29 01:04:45,915 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:04:45,916 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:04:45,916 INFO L85 PathProgramCache]: Analyzing trace with hash -434716146, now seen corresponding path program 12 times [2023-08-29 01:04:45,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:04:45,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146747937] [2023-08-29 01:04:45,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:04:45,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:04:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:04:46,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:04:46,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:04:46,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146747937] [2023-08-29 01:04:46,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146747937] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:04:46,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:04:46,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:04:46,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775618797] [2023-08-29 01:04:46,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:04:46,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:04:46,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:04:46,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:04:46,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:04:47,543 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:04:47,544 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 865 transitions, 38372 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:04:47,544 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:04:47,544 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:04:47,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:04:51,256 INFO L130 PetriNetUnfolder]: 1897/5289 cut-off events. [2023-08-29 01:04:51,256 INFO L131 PetriNetUnfolder]: For 449859/449878 co-relation queries the response was YES. [2023-08-29 01:04:51,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63595 conditions, 5289 events. 1897/5289 cut-off events. For 449859/449878 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 48980 event pairs, 334 based on Foata normal form. 18/5126 useless extension candidates. Maximal degree in co-relation 63438. Up to 2345 conditions per place. [2023-08-29 01:04:51,336 INFO L137 encePairwiseOnDemand]: 403/418 looper letters, 655 selfloop transitions, 308 changer transitions 0/981 dead transitions. [2023-08-29 01:04:51,337 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 981 transitions, 42772 flow [2023-08-29 01:04:51,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:04:51,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:04:51,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2437 transitions. [2023-08-29 01:04:51,339 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41643882433356116 [2023-08-29 01:04:51,339 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2437 transitions. [2023-08-29 01:04:51,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2437 transitions. [2023-08-29 01:04:51,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:04:51,339 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2437 transitions. [2023-08-29 01:04:51,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 174.07142857142858) internal successors, (2437), 14 states have internal predecessors, (2437), 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) [2023-08-29 01:04:51,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:04:51,343 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:04:51,343 INFO L175 Difference]: Start difference. First operand has 427 places, 865 transitions, 38372 flow. Second operand 14 states and 2437 transitions. [2023-08-29 01:04:51,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 981 transitions, 42772 flow [2023-08-29 01:04:53,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 981 transitions, 42349 flow, removed 33 selfloop flow, removed 9 redundant places. [2023-08-29 01:04:53,747 INFO L231 Difference]: Finished difference. Result has 437 places, 883 transitions, 39868 flow [2023-08-29 01:04:53,748 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=37960, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=865, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=291, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=560, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=39868, PETRI_PLACES=437, PETRI_TRANSITIONS=883} [2023-08-29 01:04:53,748 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 363 predicate places. [2023-08-29 01:04:53,748 INFO L495 AbstractCegarLoop]: Abstraction has has 437 places, 883 transitions, 39868 flow [2023-08-29 01:04:53,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:04:53,748 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:04:53,748 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:04:53,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-08-29 01:04:53,749 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:04:53,749 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:04:53,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1965876484, now seen corresponding path program 13 times [2023-08-29 01:04:53,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:04:53,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848511869] [2023-08-29 01:04:53,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:04:53,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:04:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:04:54,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:04:54,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:04:54,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848511869] [2023-08-29 01:04:54,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848511869] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:04:54,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:04:54,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:04:54,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326449547] [2023-08-29 01:04:54,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:04:54,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:04:54,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:04:54,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:04:54,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:04:55,302 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:04:55,303 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 883 transitions, 39868 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:04:55,303 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:04:55,303 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:04:55,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:04:59,063 INFO L130 PetriNetUnfolder]: 1909/5377 cut-off events. [2023-08-29 01:04:59,064 INFO L131 PetriNetUnfolder]: For 478290/478311 co-relation queries the response was YES. [2023-08-29 01:04:59,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65170 conditions, 5377 events. 1909/5377 cut-off events. For 478290/478311 co-relation queries the response was YES. Maximal size of possible extension queue 286. Compared 50282 event pairs, 345 based on Foata normal form. 20/5210 useless extension candidates. Maximal degree in co-relation 65007. Up to 2361 conditions per place. [2023-08-29 01:04:59,144 INFO L137 encePairwiseOnDemand]: 403/418 looper letters, 670 selfloop transitions, 303 changer transitions 0/991 dead transitions. [2023-08-29 01:04:59,144 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 991 transitions, 44005 flow [2023-08-29 01:04:59,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:04:59,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:04:59,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2438 transitions. [2023-08-29 01:04:59,146 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4166097060833903 [2023-08-29 01:04:59,146 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2438 transitions. [2023-08-29 01:04:59,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2438 transitions. [2023-08-29 01:04:59,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:04:59,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2438 transitions. [2023-08-29 01:04:59,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 174.14285714285714) internal successors, (2438), 14 states have internal predecessors, (2438), 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) [2023-08-29 01:04:59,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:04:59,151 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:04:59,151 INFO L175 Difference]: Start difference. First operand has 437 places, 883 transitions, 39868 flow. Second operand 14 states and 2438 transitions. [2023-08-29 01:04:59,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 991 transitions, 44005 flow [2023-08-29 01:05:01,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 991 transitions, 43340 flow, removed 60 selfloop flow, removed 7 redundant places. [2023-08-29 01:05:01,535 INFO L231 Difference]: Finished difference. Result has 449 places, 896 transitions, 40843 flow [2023-08-29 01:05:01,535 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=39213, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=883, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=290, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=582, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=40843, PETRI_PLACES=449, PETRI_TRANSITIONS=896} [2023-08-29 01:05:01,536 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 375 predicate places. [2023-08-29 01:05:01,536 INFO L495 AbstractCegarLoop]: Abstraction has has 449 places, 896 transitions, 40843 flow [2023-08-29 01:05:01,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:05:01,537 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:05:01,537 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:05:01,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-08-29 01:05:01,537 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:05:01,537 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:05:01,537 INFO L85 PathProgramCache]: Analyzing trace with hash -604990340, now seen corresponding path program 14 times [2023-08-29 01:05:01,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:05:01,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072797874] [2023-08-29 01:05:01,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:05:01,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:05:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:05:01,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:05:01,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:05:01,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072797874] [2023-08-29 01:05:01,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072797874] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:05:01,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:05:01,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:05:01,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910947400] [2023-08-29 01:05:01,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:05:01,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:05:01,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:05:01,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:05:01,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:05:03,133 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:05:03,133 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 896 transitions, 40843 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:05:03,134 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:05:03,134 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:05:03,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:05:07,503 INFO L130 PetriNetUnfolder]: 1983/5726 cut-off events. [2023-08-29 01:05:07,503 INFO L131 PetriNetUnfolder]: For 536581/536602 co-relation queries the response was YES. [2023-08-29 01:05:07,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68509 conditions, 5726 events. 1983/5726 cut-off events. For 536581/536602 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 55118 event pairs, 372 based on Foata normal form. 15/5531 useless extension candidates. Maximal degree in co-relation 68341. Up to 2461 conditions per place. [2023-08-29 01:05:07,581 INFO L137 encePairwiseOnDemand]: 403/418 looper letters, 568 selfloop transitions, 395 changer transitions 0/981 dead transitions. [2023-08-29 01:05:07,581 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 981 transitions, 45267 flow [2023-08-29 01:05:07,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-29 01:05:07,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-29 01:05:07,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2252 transitions. [2023-08-29 01:05:07,583 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4144276775855723 [2023-08-29 01:05:07,583 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2252 transitions. [2023-08-29 01:05:07,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2252 transitions. [2023-08-29 01:05:07,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:05:07,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2252 transitions. [2023-08-29 01:05:07,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 173.23076923076923) internal successors, (2252), 13 states have internal predecessors, (2252), 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) [2023-08-29 01:05:07,588 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 418.0) internal successors, (5852), 14 states have internal predecessors, (5852), 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) [2023-08-29 01:05:07,588 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 418.0) internal successors, (5852), 14 states have internal predecessors, (5852), 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) [2023-08-29 01:05:07,588 INFO L175 Difference]: Start difference. First operand has 449 places, 896 transitions, 40843 flow. Second operand 13 states and 2252 transitions. [2023-08-29 01:05:07,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 981 transitions, 45267 flow [2023-08-29 01:05:10,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 981 transitions, 44947 flow, removed 69 selfloop flow, removed 7 redundant places. [2023-08-29 01:05:10,052 INFO L231 Difference]: Finished difference. Result has 461 places, 926 transitions, 43707 flow [2023-08-29 01:05:10,053 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=40523, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=896, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=367, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=43707, PETRI_PLACES=461, PETRI_TRANSITIONS=926} [2023-08-29 01:05:10,053 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 387 predicate places. [2023-08-29 01:05:10,053 INFO L495 AbstractCegarLoop]: Abstraction has has 461 places, 926 transitions, 43707 flow [2023-08-29 01:05:10,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:05:10,054 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:05:10,054 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:05:10,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-08-29 01:05:10,054 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:05:10,054 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:05:10,054 INFO L85 PathProgramCache]: Analyzing trace with hash 403900412, now seen corresponding path program 15 times [2023-08-29 01:05:10,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:05:10,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271718761] [2023-08-29 01:05:10,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:05:10,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:05:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:05:10,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:05:10,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:05:10,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271718761] [2023-08-29 01:05:10,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271718761] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:05:10,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:05:10,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:05:10,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824652324] [2023-08-29 01:05:10,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:05:10,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:05:10,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:05:10,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:05:10,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:05:11,610 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:05:11,611 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 461 places, 926 transitions, 43707 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:05:11,611 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:05:11,611 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:05:11,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:05:16,239 INFO L130 PetriNetUnfolder]: 2015/5883 cut-off events. [2023-08-29 01:05:16,240 INFO L131 PetriNetUnfolder]: For 593660/593690 co-relation queries the response was YES. [2023-08-29 01:05:16,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71668 conditions, 5883 events. 2015/5883 cut-off events. For 593660/593690 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 57343 event pairs, 317 based on Foata normal form. 21/5688 useless extension candidates. Maximal degree in co-relation 71493. Up to 2509 conditions per place. [2023-08-29 01:05:16,335 INFO L137 encePairwiseOnDemand]: 403/418 looper letters, 577 selfloop transitions, 416 changer transitions 0/1011 dead transitions. [2023-08-29 01:05:16,335 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 474 places, 1011 transitions, 47955 flow [2023-08-29 01:05:16,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:05:16,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:05:16,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2426 transitions. [2023-08-29 01:05:16,337 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41455912508544085 [2023-08-29 01:05:16,337 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2426 transitions. [2023-08-29 01:05:16,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2426 transitions. [2023-08-29 01:05:16,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:05:16,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2426 transitions. [2023-08-29 01:05:16,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 173.28571428571428) internal successors, (2426), 14 states have internal predecessors, (2426), 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) [2023-08-29 01:05:16,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:05:16,342 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:05:16,342 INFO L175 Difference]: Start difference. First operand has 461 places, 926 transitions, 43707 flow. Second operand 14 states and 2426 transitions. [2023-08-29 01:05:16,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 474 places, 1011 transitions, 47955 flow [2023-08-29 01:05:19,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 1011 transitions, 47805 flow, removed 71 selfloop flow, removed 3 redundant places. [2023-08-29 01:05:19,379 INFO L231 Difference]: Finished difference. Result has 479 places, 953 transitions, 46685 flow [2023-08-29 01:05:19,380 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=43557, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=926, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=392, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=46685, PETRI_PLACES=479, PETRI_TRANSITIONS=953} [2023-08-29 01:05:19,380 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 405 predicate places. [2023-08-29 01:05:19,381 INFO L495 AbstractCegarLoop]: Abstraction has has 479 places, 953 transitions, 46685 flow [2023-08-29 01:05:19,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:05:19,381 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:05:19,381 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:05:19,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-08-29 01:05:19,381 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:05:19,381 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:05:19,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1665119618, now seen corresponding path program 16 times [2023-08-29 01:05:19,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:05:19,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652112456] [2023-08-29 01:05:19,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:05:19,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:05:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:05:19,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:05:19,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:05:19,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652112456] [2023-08-29 01:05:19,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652112456] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:05:19,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:05:19,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:05:19,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862493110] [2023-08-29 01:05:19,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:05:19,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:05:19,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:05:19,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:05:19,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:05:20,858 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:05:20,859 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 479 places, 953 transitions, 46685 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:05:20,859 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:05:20,859 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:05:20,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:05:25,212 INFO L130 PetriNetUnfolder]: 2023/5967 cut-off events. [2023-08-29 01:05:25,212 INFO L131 PetriNetUnfolder]: For 659015/659046 co-relation queries the response was YES. [2023-08-29 01:05:25,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74114 conditions, 5967 events. 2023/5967 cut-off events. For 659015/659046 co-relation queries the response was YES. Maximal size of possible extension queue 310. Compared 58712 event pairs, 385 based on Foata normal form. 19/5764 useless extension candidates. Maximal degree in co-relation 73931. Up to 2523 conditions per place. [2023-08-29 01:05:25,315 INFO L137 encePairwiseOnDemand]: 403/418 looper letters, 569 selfloop transitions, 423 changer transitions 0/1010 dead transitions. [2023-08-29 01:05:25,315 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 491 places, 1010 transitions, 49830 flow [2023-08-29 01:05:25,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-29 01:05:25,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-29 01:05:25,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2254 transitions. [2023-08-29 01:05:25,316 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41479573058520425 [2023-08-29 01:05:25,317 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2254 transitions. [2023-08-29 01:05:25,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2254 transitions. [2023-08-29 01:05:25,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:05:25,317 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2254 transitions. [2023-08-29 01:05:25,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 173.3846153846154) internal successors, (2254), 13 states have internal predecessors, (2254), 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) [2023-08-29 01:05:25,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 418.0) internal successors, (5852), 14 states have internal predecessors, (5852), 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) [2023-08-29 01:05:25,321 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 418.0) internal successors, (5852), 14 states have internal predecessors, (5852), 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) [2023-08-29 01:05:25,321 INFO L175 Difference]: Start difference. First operand has 479 places, 953 transitions, 46685 flow. Second operand 13 states and 2254 transitions. [2023-08-29 01:05:25,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 491 places, 1010 transitions, 49830 flow [2023-08-29 01:05:28,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 1010 transitions, 49589 flow, removed 68 selfloop flow, removed 4 redundant places. [2023-08-29 01:05:28,711 INFO L231 Difference]: Finished difference. Result has 491 places, 963 transitions, 48404 flow [2023-08-29 01:05:28,712 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=46444, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=953, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=413, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=48404, PETRI_PLACES=491, PETRI_TRANSITIONS=963} [2023-08-29 01:05:28,712 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 417 predicate places. [2023-08-29 01:05:28,712 INFO L495 AbstractCegarLoop]: Abstraction has has 491 places, 963 transitions, 48404 flow [2023-08-29 01:05:28,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:05:28,712 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:05:28,713 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:05:28,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-08-29 01:05:28,713 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:05:28,713 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:05:28,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1002283532, now seen corresponding path program 17 times [2023-08-29 01:05:28,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:05:28,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371345475] [2023-08-29 01:05:28,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:05:28,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:05:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:05:29,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:05:29,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:05:29,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371345475] [2023-08-29 01:05:29,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371345475] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:05:29,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:05:29,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:05:29,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229003237] [2023-08-29 01:05:29,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:05:29,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:05:29,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:05:29,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:05:29,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:05:30,130 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:05:30,131 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 963 transitions, 48404 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:05:30,131 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:05:30,131 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:05:30,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:05:34,460 INFO L130 PetriNetUnfolder]: 2023/6014 cut-off events. [2023-08-29 01:05:34,460 INFO L131 PetriNetUnfolder]: For 694021/694052 co-relation queries the response was YES. [2023-08-29 01:05:34,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75738 conditions, 6014 events. 2023/6014 cut-off events. For 694021/694052 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 59462 event pairs, 388 based on Foata normal form. 18/5806 useless extension candidates. Maximal degree in co-relation 75551. Up to 2523 conditions per place. [2023-08-29 01:05:34,568 INFO L137 encePairwiseOnDemand]: 403/418 looper letters, 647 selfloop transitions, 407 changer transitions 0/1072 dead transitions. [2023-08-29 01:05:34,568 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 503 places, 1072 transitions, 52996 flow [2023-08-29 01:05:34,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-29 01:05:34,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-29 01:05:34,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2250 transitions. [2023-08-29 01:05:34,570 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41405962458594037 [2023-08-29 01:05:34,570 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2250 transitions. [2023-08-29 01:05:34,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2250 transitions. [2023-08-29 01:05:34,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:05:34,570 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2250 transitions. [2023-08-29 01:05:34,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 173.07692307692307) internal successors, (2250), 13 states have internal predecessors, (2250), 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) [2023-08-29 01:05:34,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 418.0) internal successors, (5852), 14 states have internal predecessors, (5852), 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) [2023-08-29 01:05:34,574 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 418.0) internal successors, (5852), 14 states have internal predecessors, (5852), 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) [2023-08-29 01:05:34,574 INFO L175 Difference]: Start difference. First operand has 491 places, 963 transitions, 48404 flow. Second operand 13 states and 2250 transitions. [2023-08-29 01:05:34,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 503 places, 1072 transitions, 52996 flow [2023-08-29 01:05:38,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 496 places, 1072 transitions, 52718 flow, removed 3 selfloop flow, removed 7 redundant places. [2023-08-29 01:05:38,377 INFO L231 Difference]: Finished difference. Result has 501 places, 999 transitions, 50514 flow [2023-08-29 01:05:38,378 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=48154, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=963, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=371, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=50514, PETRI_PLACES=501, PETRI_TRANSITIONS=999} [2023-08-29 01:05:38,379 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 427 predicate places. [2023-08-29 01:05:38,379 INFO L495 AbstractCegarLoop]: Abstraction has has 501 places, 999 transitions, 50514 flow [2023-08-29 01:05:38,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:05:38,379 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:05:38,379 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:05:38,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-08-29 01:05:38,380 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:05:38,380 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:05:38,380 INFO L85 PathProgramCache]: Analyzing trace with hash 562112592, now seen corresponding path program 18 times [2023-08-29 01:05:38,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:05:38,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835047304] [2023-08-29 01:05:38,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:05:38,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:05:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:05:38,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:05:38,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:05:38,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835047304] [2023-08-29 01:05:38,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835047304] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:05:38,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:05:38,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:05:38,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994857707] [2023-08-29 01:05:38,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:05:38,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:05:38,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:05:38,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:05:38,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:05:39,929 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:05:39,930 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 501 places, 999 transitions, 50514 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:05:39,930 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:05:39,930 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:05:39,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:05:45,269 INFO L130 PetriNetUnfolder]: 2043/6126 cut-off events. [2023-08-29 01:05:45,269 INFO L131 PetriNetUnfolder]: For 733952/733990 co-relation queries the response was YES. [2023-08-29 01:05:45,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78200 conditions, 6126 events. 2043/6126 cut-off events. For 733952/733990 co-relation queries the response was YES. Maximal size of possible extension queue 314. Compared 61223 event pairs, 312 based on Foata normal form. 25/5920 useless extension candidates. Maximal degree in co-relation 78008. Up to 2553 conditions per place. [2023-08-29 01:05:45,368 INFO L137 encePairwiseOnDemand]: 403/418 looper letters, 591 selfloop transitions, 456 changer transitions 0/1065 dead transitions. [2023-08-29 01:05:45,369 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 1065 transitions, 54106 flow [2023-08-29 01:05:45,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:05:45,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:05:45,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2422 transitions. [2023-08-29 01:05:45,370 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4138755980861244 [2023-08-29 01:05:45,371 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2422 transitions. [2023-08-29 01:05:45,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2422 transitions. [2023-08-29 01:05:45,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:05:45,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2422 transitions. [2023-08-29 01:05:45,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 173.0) internal successors, (2422), 14 states have internal predecessors, (2422), 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) [2023-08-29 01:05:45,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:05:45,375 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:05:45,375 INFO L175 Difference]: Start difference. First operand has 501 places, 999 transitions, 50514 flow. Second operand 14 states and 2422 transitions. [2023-08-29 01:05:45,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 1065 transitions, 54106 flow [2023-08-29 01:05:48,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 510 places, 1065 transitions, 53836 flow, removed 85 selfloop flow, removed 4 redundant places. [2023-08-29 01:05:48,996 INFO L231 Difference]: Finished difference. Result has 517 places, 1016 transitions, 52898 flow [2023-08-29 01:05:48,997 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=50244, PETRI_DIFFERENCE_MINUEND_PLACES=497, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=999, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=439, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=546, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=52898, PETRI_PLACES=517, PETRI_TRANSITIONS=1016} [2023-08-29 01:05:48,997 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 443 predicate places. [2023-08-29 01:05:48,997 INFO L495 AbstractCegarLoop]: Abstraction has has 517 places, 1016 transitions, 52898 flow [2023-08-29 01:05:48,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:05:48,998 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:05:48,998 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:05:48,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-08-29 01:05:48,998 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:05:48,998 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:05:48,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1359168396, now seen corresponding path program 19 times [2023-08-29 01:05:48,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:05:48,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529385447] [2023-08-29 01:05:48,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:05:48,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:05:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:05:49,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:05:49,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:05:49,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529385447] [2023-08-29 01:05:49,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529385447] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:05:49,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:05:49,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:05:49,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958813729] [2023-08-29 01:05:49,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:05:49,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:05:49,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:05:49,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:05:49,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:05:50,538 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:05:50,539 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 1016 transitions, 52898 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:05:50,539 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:05:50,539 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:05:50,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:05:56,100 INFO L130 PetriNetUnfolder]: 2043/6161 cut-off events. [2023-08-29 01:05:56,100 INFO L131 PetriNetUnfolder]: For 783563/783603 co-relation queries the response was YES. [2023-08-29 01:05:56,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80274 conditions, 6161 events. 2043/6161 cut-off events. For 783563/783603 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 61796 event pairs, 399 based on Foata normal form. 22/5950 useless extension candidates. Maximal degree in co-relation 80075. Up to 2557 conditions per place. [2023-08-29 01:05:56,206 INFO L137 encePairwiseOnDemand]: 403/418 looper letters, 599 selfloop transitions, 460 changer transitions 0/1077 dead transitions. [2023-08-29 01:05:56,206 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 530 places, 1077 transitions, 56025 flow [2023-08-29 01:05:56,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:05:56,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:05:56,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2423 transitions. [2023-08-29 01:05:56,208 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4140464798359535 [2023-08-29 01:05:56,209 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2423 transitions. [2023-08-29 01:05:56,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2423 transitions. [2023-08-29 01:05:56,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:05:56,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2423 transitions. [2023-08-29 01:05:56,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 173.07142857142858) internal successors, (2423), 14 states have internal predecessors, (2423), 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) [2023-08-29 01:05:56,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:05:56,214 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:05:56,214 INFO L175 Difference]: Start difference. First operand has 517 places, 1016 transitions, 52898 flow. Second operand 14 states and 2423 transitions. [2023-08-29 01:05:56,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 530 places, 1077 transitions, 56025 flow [2023-08-29 01:06:00,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 1077 transitions, 55534 flow, removed 42 selfloop flow, removed 6 redundant places. [2023-08-29 01:06:00,160 INFO L231 Difference]: Finished difference. Result has 528 places, 1027 transitions, 54094 flow [2023-08-29 01:06:00,160 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=52409, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1016, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=449, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=558, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=54094, PETRI_PLACES=528, PETRI_TRANSITIONS=1027} [2023-08-29 01:06:00,161 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 454 predicate places. [2023-08-29 01:06:00,161 INFO L495 AbstractCegarLoop]: Abstraction has has 528 places, 1027 transitions, 54094 flow [2023-08-29 01:06:00,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:06:00,161 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:06:00,161 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:06:00,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-08-29 01:06:00,161 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:06:00,161 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:06:00,162 INFO L85 PathProgramCache]: Analyzing trace with hash 528812416, now seen corresponding path program 20 times [2023-08-29 01:06:00,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:06:00,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311166857] [2023-08-29 01:06:00,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:06:00,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:06:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:06:00,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:06:00,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:06:00,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311166857] [2023-08-29 01:06:00,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311166857] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:06:00,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:06:00,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:06:00,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604348622] [2023-08-29 01:06:00,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:06:00,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:06:00,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:06:00,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:06:00,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:06:01,732 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:06:01,733 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 1027 transitions, 54094 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:06:01,733 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:06:01,733 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:06:01,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:06:07,699 INFO L130 PetriNetUnfolder]: 2043/6223 cut-off events. [2023-08-29 01:06:07,699 INFO L131 PetriNetUnfolder]: For 809897/809935 co-relation queries the response was YES. [2023-08-29 01:06:07,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81655 conditions, 6223 events. 2043/6223 cut-off events. For 809897/809935 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 62873 event pairs, 317 based on Foata normal form. 25/6009 useless extension candidates. Maximal degree in co-relation 81452. Up to 2557 conditions per place. [2023-08-29 01:06:07,800 INFO L137 encePairwiseOnDemand]: 403/418 looper letters, 634 selfloop transitions, 459 changer transitions 0/1111 dead transitions. [2023-08-29 01:06:07,800 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 1111 transitions, 58243 flow [2023-08-29 01:06:07,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:06:07,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:06:07,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2423 transitions. [2023-08-29 01:06:07,803 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4140464798359535 [2023-08-29 01:06:07,803 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2423 transitions. [2023-08-29 01:06:07,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2423 transitions. [2023-08-29 01:06:07,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:06:07,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2423 transitions. [2023-08-29 01:06:07,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 173.07142857142858) internal successors, (2423), 14 states have internal predecessors, (2423), 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) [2023-08-29 01:06:07,807 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:06:07,808 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:06:07,808 INFO L175 Difference]: Start difference. First operand has 528 places, 1027 transitions, 54094 flow. Second operand 14 states and 2423 transitions. [2023-08-29 01:06:07,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 1111 transitions, 58243 flow [2023-08-29 01:06:11,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 1111 transitions, 57813 flow, removed 46 selfloop flow, removed 8 redundant places. [2023-08-29 01:06:11,797 INFO L231 Difference]: Finished difference. Result has 537 places, 1054 transitions, 56039 flow [2023-08-29 01:06:11,798 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=53678, PETRI_DIFFERENCE_MINUEND_PLACES=520, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1027, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=433, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=570, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=56039, PETRI_PLACES=537, PETRI_TRANSITIONS=1054} [2023-08-29 01:06:11,798 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 463 predicate places. [2023-08-29 01:06:11,798 INFO L495 AbstractCegarLoop]: Abstraction has has 537 places, 1054 transitions, 56039 flow [2023-08-29 01:06:11,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:06:11,799 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:06:11,799 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:06:11,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-08-29 01:06:11,799 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:06:11,800 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:06:11,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1574408698, now seen corresponding path program 21 times [2023-08-29 01:06:11,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:06:11,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289217173] [2023-08-29 01:06:11,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:06:11,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:06:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:06:12,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:06:12,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:06:12,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289217173] [2023-08-29 01:06:12,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289217173] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:06:12,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:06:12,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:06:12,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554584121] [2023-08-29 01:06:12,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:06:12,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:06:12,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:06:12,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:06:12,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:06:13,383 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:06:13,384 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 1054 transitions, 56039 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:06:13,384 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:06:13,384 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:06:13,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:06:18,786 INFO L130 PetriNetUnfolder]: 2053/6289 cut-off events. [2023-08-29 01:06:18,786 INFO L131 PetriNetUnfolder]: For 841032/841076 co-relation queries the response was YES. [2023-08-29 01:06:18,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83624 conditions, 6289 events. 2053/6289 cut-off events. For 841032/841076 co-relation queries the response was YES. Maximal size of possible extension queue 322. Compared 63984 event pairs, 352 based on Foata normal form. 27/6075 useless extension candidates. Maximal degree in co-relation 83417. Up to 2569 conditions per place. [2023-08-29 01:06:18,888 INFO L137 encePairwiseOnDemand]: 403/418 looper letters, 651 selfloop transitions, 458 changer transitions 0/1127 dead transitions. [2023-08-29 01:06:18,888 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 1127 transitions, 60002 flow [2023-08-29 01:06:18,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:06:18,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:06:18,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2423 transitions. [2023-08-29 01:06:18,890 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4140464798359535 [2023-08-29 01:06:18,890 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2423 transitions. [2023-08-29 01:06:18,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2423 transitions. [2023-08-29 01:06:18,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:06:18,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2423 transitions. [2023-08-29 01:06:18,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 173.07142857142858) internal successors, (2423), 14 states have internal predecessors, (2423), 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) [2023-08-29 01:06:18,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:06:18,894 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:06:18,895 INFO L175 Difference]: Start difference. First operand has 537 places, 1054 transitions, 56039 flow. Second operand 14 states and 2423 transitions. [2023-08-29 01:06:18,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 1127 transitions, 60002 flow [2023-08-29 01:06:23,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 1127 transitions, 59675 flow, removed 71 selfloop flow, removed 6 redundant places. [2023-08-29 01:06:23,088 INFO L231 Difference]: Finished difference. Result has 548 places, 1066 transitions, 57563 flow [2023-08-29 01:06:23,089 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=55712, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1054, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=446, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=598, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=57563, PETRI_PLACES=548, PETRI_TRANSITIONS=1066} [2023-08-29 01:06:23,089 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 474 predicate places. [2023-08-29 01:06:23,090 INFO L495 AbstractCegarLoop]: Abstraction has has 548 places, 1066 transitions, 57563 flow [2023-08-29 01:06:23,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:06:23,090 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:06:23,090 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:06:23,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-08-29 01:06:23,091 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:06:23,091 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:06:23,091 INFO L85 PathProgramCache]: Analyzing trace with hash -896368826, now seen corresponding path program 22 times [2023-08-29 01:06:23,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:06:23,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765999272] [2023-08-29 01:06:23,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:06:23,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:06:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:06:23,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:06:23,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:06:23,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765999272] [2023-08-29 01:06:23,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765999272] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:06:23,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:06:23,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:06:23,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128112721] [2023-08-29 01:06:23,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:06:23,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:06:23,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:06:23,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:06:23,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:06:24,592 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:06:24,592 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 548 places, 1066 transitions, 57563 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:06:24,592 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:06:24,593 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:06:24,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:06:29,710 INFO L130 PetriNetUnfolder]: 2053/6422 cut-off events. [2023-08-29 01:06:29,710 INFO L131 PetriNetUnfolder]: For 851553/851582 co-relation queries the response was YES. [2023-08-29 01:06:29,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84941 conditions, 6422 events. 2053/6422 cut-off events. For 851553/851582 co-relation queries the response was YES. Maximal size of possible extension queue 326. Compared 66213 event pairs, 364 based on Foata normal form. 22/6184 useless extension candidates. Maximal degree in co-relation 84730. Up to 2569 conditions per place. [2023-08-29 01:06:29,825 INFO L137 encePairwiseOnDemand]: 403/418 looper letters, 668 selfloop transitions, 439 changer transitions 0/1125 dead transitions. [2023-08-29 01:06:29,825 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 1125 transitions, 60811 flow [2023-08-29 01:06:29,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-29 01:06:29,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-29 01:06:29,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2250 transitions. [2023-08-29 01:06:29,827 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41405962458594037 [2023-08-29 01:06:29,827 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2250 transitions. [2023-08-29 01:06:29,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2250 transitions. [2023-08-29 01:06:29,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:06:29,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2250 transitions. [2023-08-29 01:06:29,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 173.07692307692307) internal successors, (2250), 13 states have internal predecessors, (2250), 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) [2023-08-29 01:06:29,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 418.0) internal successors, (5852), 14 states have internal predecessors, (5852), 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) [2023-08-29 01:06:29,833 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 418.0) internal successors, (5852), 14 states have internal predecessors, (5852), 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) [2023-08-29 01:06:29,833 INFO L175 Difference]: Start difference. First operand has 548 places, 1066 transitions, 57563 flow. Second operand 13 states and 2250 transitions. [2023-08-29 01:06:29,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 560 places, 1125 transitions, 60811 flow [2023-08-29 01:06:34,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 555 places, 1125 transitions, 60365 flow, removed 81 selfloop flow, removed 5 redundant places. [2023-08-29 01:06:34,196 INFO L231 Difference]: Finished difference. Result has 559 places, 1082 transitions, 58928 flow [2023-08-29 01:06:34,197 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=57119, PETRI_DIFFERENCE_MINUEND_PLACES=543, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1066, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=423, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=628, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=58928, PETRI_PLACES=559, PETRI_TRANSITIONS=1082} [2023-08-29 01:06:34,198 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 485 predicate places. [2023-08-29 01:06:34,198 INFO L495 AbstractCegarLoop]: Abstraction has has 559 places, 1082 transitions, 58928 flow [2023-08-29 01:06:34,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:06:34,198 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:06:34,198 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:06:34,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-08-29 01:06:34,199 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:06:34,199 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:06:34,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1131981032, now seen corresponding path program 23 times [2023-08-29 01:06:34,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:06:34,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138046711] [2023-08-29 01:06:34,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:06:34,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:06:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:06:34,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:06:34,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:06:34,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138046711] [2023-08-29 01:06:34,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138046711] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:06:34,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:06:34,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:06:34,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560348134] [2023-08-29 01:06:34,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:06:34,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:06:34,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:06:34,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:06:34,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:06:35,812 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:06:35,813 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 559 places, 1082 transitions, 58928 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:06:35,813 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:06:35,814 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:06:35,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:06:41,396 INFO L130 PetriNetUnfolder]: 2164/6765 cut-off events. [2023-08-29 01:06:41,396 INFO L131 PetriNetUnfolder]: For 991197/991245 co-relation queries the response was YES. [2023-08-29 01:06:41,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92885 conditions, 6765 events. 2164/6765 cut-off events. For 991197/991245 co-relation queries the response was YES. Maximal size of possible extension queue 354. Compared 70840 event pairs, 344 based on Foata normal form. 34/6534 useless extension candidates. Maximal degree in co-relation 92670. Up to 2746 conditions per place. [2023-08-29 01:06:41,633 INFO L137 encePairwiseOnDemand]: 403/418 looper letters, 653 selfloop transitions, 535 changer transitions 0/1206 dead transitions. [2023-08-29 01:06:41,633 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 1206 transitions, 68279 flow [2023-08-29 01:06:41,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-29 01:06:41,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-29 01:06:41,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2082 transitions. [2023-08-29 01:06:41,635 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4150717703349282 [2023-08-29 01:06:41,635 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2082 transitions. [2023-08-29 01:06:41,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2082 transitions. [2023-08-29 01:06:41,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:06:41,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2082 transitions. [2023-08-29 01:06:41,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 173.5) internal successors, (2082), 12 states have internal predecessors, (2082), 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) [2023-08-29 01:06:41,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 418.0) internal successors, (5434), 13 states have internal predecessors, (5434), 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) [2023-08-29 01:06:41,641 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 418.0) internal successors, (5434), 13 states have internal predecessors, (5434), 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) [2023-08-29 01:06:41,641 INFO L175 Difference]: Start difference. First operand has 559 places, 1082 transitions, 58928 flow. Second operand 12 states and 2082 transitions. [2023-08-29 01:06:41,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 570 places, 1206 transitions, 68279 flow [2023-08-29 01:06:46,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 563 places, 1206 transitions, 67918 flow, removed 104 selfloop flow, removed 7 redundant places. [2023-08-29 01:06:46,433 INFO L231 Difference]: Finished difference. Result has 568 places, 1143 transitions, 65336 flow [2023-08-29 01:06:46,434 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=58577, PETRI_DIFFERENCE_MINUEND_PLACES=552, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1082, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=475, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=566, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=65336, PETRI_PLACES=568, PETRI_TRANSITIONS=1143} [2023-08-29 01:06:46,434 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 494 predicate places. [2023-08-29 01:06:46,434 INFO L495 AbstractCegarLoop]: Abstraction has has 568 places, 1143 transitions, 65336 flow [2023-08-29 01:06:46,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:06:46,435 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:06:46,435 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:06:46,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-08-29 01:06:46,435 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:06:46,435 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:06:46,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1714720076, now seen corresponding path program 24 times [2023-08-29 01:06:46,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:06:46,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695087044] [2023-08-29 01:06:46,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:06:46,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:06:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:06:46,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:06:46,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:06:46,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695087044] [2023-08-29 01:06:46,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695087044] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:06:46,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:06:46,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:06:46,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253026547] [2023-08-29 01:06:46,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:06:46,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:06:46,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:06:46,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:06:46,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:06:48,094 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:06:48,095 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 568 places, 1143 transitions, 65336 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:06:48,095 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:06:48,096 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:06:48,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:06:54,614 INFO L130 PetriNetUnfolder]: 2200/6975 cut-off events. [2023-08-29 01:06:54,614 INFO L131 PetriNetUnfolder]: For 1055110/1055158 co-relation queries the response was YES. [2023-08-29 01:06:54,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96857 conditions, 6975 events. 2200/6975 cut-off events. For 1055110/1055158 co-relation queries the response was YES. Maximal size of possible extension queue 362. Compared 74040 event pairs, 360 based on Foata normal form. 31/6725 useless extension candidates. Maximal degree in co-relation 96640. Up to 2792 conditions per place. [2023-08-29 01:06:54,742 INFO L137 encePairwiseOnDemand]: 403/418 looper letters, 665 selfloop transitions, 533 changer transitions 0/1216 dead transitions. [2023-08-29 01:06:54,742 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 581 places, 1216 transitions, 70223 flow [2023-08-29 01:06:54,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:06:54,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:06:54,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2421 transitions. [2023-08-29 01:06:54,746 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4137047163362953 [2023-08-29 01:06:54,746 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2421 transitions. [2023-08-29 01:06:54,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2421 transitions. [2023-08-29 01:06:54,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:06:54,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2421 transitions. [2023-08-29 01:06:54,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 172.92857142857142) internal successors, (2421), 14 states have internal predecessors, (2421), 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) [2023-08-29 01:06:54,753 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:06:54,754 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:06:54,754 INFO L175 Difference]: Start difference. First operand has 568 places, 1143 transitions, 65336 flow. Second operand 14 states and 2421 transitions. [2023-08-29 01:06:54,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 581 places, 1216 transitions, 70223 flow [2023-08-29 01:07:00,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 574 places, 1216 transitions, 69531 flow, removed 6 selfloop flow, removed 7 redundant places. [2023-08-29 01:07:00,451 INFO L231 Difference]: Finished difference. Result has 580 places, 1163 transitions, 67989 flow [2023-08-29 01:07:00,452 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=64659, PETRI_DIFFERENCE_MINUEND_PLACES=561, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=513, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=614, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=67989, PETRI_PLACES=580, PETRI_TRANSITIONS=1163} [2023-08-29 01:07:00,452 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 506 predicate places. [2023-08-29 01:07:00,452 INFO L495 AbstractCegarLoop]: Abstraction has has 580 places, 1163 transitions, 67989 flow [2023-08-29 01:07:00,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:07:00,452 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:00,452 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:00,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-08-29 01:07:00,452 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:07:00,453 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:00,453 INFO L85 PathProgramCache]: Analyzing trace with hash -682828638, now seen corresponding path program 25 times [2023-08-29 01:07:00,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:00,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559580154] [2023-08-29 01:07:00,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:00,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:00,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:07:00,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:00,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559580154] [2023-08-29 01:07:00,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559580154] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:00,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:00,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:07:00,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947296016] [2023-08-29 01:07:00,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:00,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:07:00,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:00,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:07:00,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:07:01,881 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:07:01,882 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 580 places, 1163 transitions, 67989 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:07:01,882 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:01,882 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:07:01,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:08,346 INFO L130 PetriNetUnfolder]: 2200/6968 cut-off events. [2023-08-29 01:07:08,346 INFO L131 PetriNetUnfolder]: For 1098918/1098975 co-relation queries the response was YES. [2023-08-29 01:07:08,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98138 conditions, 6968 events. 2200/6968 cut-off events. For 1098918/1098975 co-relation queries the response was YES. Maximal size of possible extension queue 364. Compared 73957 event pairs, 384 based on Foata normal form. 33/6725 useless extension candidates. Maximal degree in co-relation 97915. Up to 2796 conditions per place. [2023-08-29 01:07:08,476 INFO L137 encePairwiseOnDemand]: 403/418 looper letters, 675 selfloop transitions, 531 changer transitions 0/1224 dead transitions. [2023-08-29 01:07:08,476 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 593 places, 1224 transitions, 71635 flow [2023-08-29 01:07:08,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:07:08,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:07:08,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2422 transitions. [2023-08-29 01:07:08,478 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4138755980861244 [2023-08-29 01:07:08,478 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2422 transitions. [2023-08-29 01:07:08,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2422 transitions. [2023-08-29 01:07:08,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:08,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2422 transitions. [2023-08-29 01:07:08,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 173.0) internal successors, (2422), 14 states have internal predecessors, (2422), 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) [2023-08-29 01:07:08,482 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:07:08,483 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:07:08,483 INFO L175 Difference]: Start difference. First operand has 580 places, 1163 transitions, 67989 flow. Second operand 14 states and 2422 transitions. [2023-08-29 01:07:08,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 593 places, 1224 transitions, 71635 flow [2023-08-29 01:07:14,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 587 places, 1224 transitions, 71326 flow, removed 51 selfloop flow, removed 6 redundant places. [2023-08-29 01:07:14,169 INFO L231 Difference]: Finished difference. Result has 592 places, 1174 transitions, 70072 flow [2023-08-29 01:07:14,169 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=67680, PETRI_DIFFERENCE_MINUEND_PLACES=574, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=520, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=633, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=70072, PETRI_PLACES=592, PETRI_TRANSITIONS=1174} [2023-08-29 01:07:14,170 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 518 predicate places. [2023-08-29 01:07:14,170 INFO L495 AbstractCegarLoop]: Abstraction has has 592 places, 1174 transitions, 70072 flow [2023-08-29 01:07:14,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:07:14,170 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:14,170 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:14,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-08-29 01:07:14,170 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:07:14,171 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:14,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1366993612, now seen corresponding path program 26 times [2023-08-29 01:07:14,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:14,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722145622] [2023-08-29 01:07:14,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:14,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:14,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:07:14,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:14,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722145622] [2023-08-29 01:07:14,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722145622] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:14,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:14,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:07:14,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535829059] [2023-08-29 01:07:14,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:14,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:07:14,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:14,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:07:14,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:07:15,814 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:07:15,815 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 592 places, 1174 transitions, 70072 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:07:15,815 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:15,815 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:07:15,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:22,151 INFO L130 PetriNetUnfolder]: 2200/7095 cut-off events. [2023-08-29 01:07:22,151 INFO L131 PetriNetUnfolder]: For 1162740/1162789 co-relation queries the response was YES. [2023-08-29 01:07:22,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99998 conditions, 7095 events. 2200/7095 cut-off events. For 1162740/1162789 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 76259 event pairs, 345 based on Foata normal form. 32/6835 useless extension candidates. Maximal degree in co-relation 99770. Up to 2798 conditions per place. [2023-08-29 01:07:22,286 INFO L137 encePairwiseOnDemand]: 403/418 looper letters, 684 selfloop transitions, 542 changer transitions 0/1244 dead transitions. [2023-08-29 01:07:22,286 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 605 places, 1244 transitions, 74585 flow [2023-08-29 01:07:22,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-29 01:07:22,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-29 01:07:22,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2421 transitions. [2023-08-29 01:07:22,288 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4137047163362953 [2023-08-29 01:07:22,288 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2421 transitions. [2023-08-29 01:07:22,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2421 transitions. [2023-08-29 01:07:22,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:22,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2421 transitions. [2023-08-29 01:07:22,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 172.92857142857142) internal successors, (2421), 14 states have internal predecessors, (2421), 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) [2023-08-29 01:07:22,293 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:07:22,293 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 418.0) internal successors, (6270), 15 states have internal predecessors, (6270), 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) [2023-08-29 01:07:22,293 INFO L175 Difference]: Start difference. First operand has 592 places, 1174 transitions, 70072 flow. Second operand 14 states and 2421 transitions. [2023-08-29 01:07:22,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 605 places, 1244 transitions, 74585 flow [2023-08-29 01:07:28,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 600 places, 1244 transitions, 74314 flow, removed 48 selfloop flow, removed 5 redundant places. [2023-08-29 01:07:28,453 INFO L231 Difference]: Finished difference. Result has 603 places, 1185 transitions, 71721 flow [2023-08-29 01:07:28,454 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=69801, PETRI_DIFFERENCE_MINUEND_PLACES=587, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=531, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=634, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=71721, PETRI_PLACES=603, PETRI_TRANSITIONS=1185} [2023-08-29 01:07:28,454 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 529 predicate places. [2023-08-29 01:07:28,454 INFO L495 AbstractCegarLoop]: Abstraction has has 603 places, 1185 transitions, 71721 flow [2023-08-29 01:07:28,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:07:28,455 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:28,455 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:28,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-08-29 01:07:28,455 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:07:28,456 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:28,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1993278074, now seen corresponding path program 27 times [2023-08-29 01:07:28,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:28,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123253336] [2023-08-29 01:07:28,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:28,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:28,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:07:28,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:28,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123253336] [2023-08-29 01:07:28,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123253336] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:28,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:28,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-29 01:07:28,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821751247] [2023-08-29 01:07:28,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:28,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 01:07:28,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:28,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 01:07:28,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-08-29 01:07:30,160 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 418 [2023-08-29 01:07:30,161 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 603 places, 1185 transitions, 71721 flow. Second operand has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:07:30,161 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:30,161 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 418 [2023-08-29 01:07:30,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:36,800 INFO L130 PetriNetUnfolder]: 2212/7262 cut-off events. [2023-08-29 01:07:36,800 INFO L131 PetriNetUnfolder]: For 1176504/1176541 co-relation queries the response was YES. [2023-08-29 01:07:36,899 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101982 conditions, 7262 events. 2212/7262 cut-off events. For 1176504/1176541 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 79102 event pairs, 357 based on Foata normal form. 25/6975 useless extension candidates. Maximal degree in co-relation 101751. Up to 2814 conditions per place. [2023-08-29 01:07:36,930 INFO L137 encePairwiseOnDemand]: 403/418 looper letters, 687 selfloop transitions, 530 changer transitions 0/1235 dead transitions. [2023-08-29 01:07:36,930 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 614 places, 1235 transitions, 75005 flow [2023-08-29 01:07:36,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-29 01:07:36,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-29 01:07:36,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2248 transitions. [2023-08-29 01:07:36,932 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4136915715863084 [2023-08-29 01:07:36,932 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2248 transitions. [2023-08-29 01:07:36,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2248 transitions. [2023-08-29 01:07:36,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:36,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2248 transitions. [2023-08-29 01:07:36,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 172.92307692307693) internal successors, (2248), 13 states have internal predecessors, (2248), 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) [2023-08-29 01:07:36,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 418.0) internal successors, (5852), 14 states have internal predecessors, (5852), 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) [2023-08-29 01:07:36,936 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 418.0) internal successors, (5852), 14 states have internal predecessors, (5852), 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) [2023-08-29 01:07:36,936 INFO L175 Difference]: Start difference. First operand has 603 places, 1185 transitions, 71721 flow. Second operand 13 states and 2248 transitions. [2023-08-29 01:07:36,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 614 places, 1235 transitions, 75005 flow [2023-08-29 01:07:42,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 606 places, 1235 transitions, 74248 flow, removed 52 selfloop flow, removed 8 redundant places. [2023-08-29 01:07:42,768 INFO L231 Difference]: Finished difference. Result has 609 places, 1192 transitions, 72617 flow [2023-08-29 01:07:42,769 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=70874, PETRI_DIFFERENCE_MINUEND_PLACES=594, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=522, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=655, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=72617, PETRI_PLACES=609, PETRI_TRANSITIONS=1192} [2023-08-29 01:07:42,769 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 535 predicate places. [2023-08-29 01:07:42,769 INFO L495 AbstractCegarLoop]: Abstraction has has 609 places, 1192 transitions, 72617 flow [2023-08-29 01:07:42,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 165.30769230769232) internal successors, (2149), 13 states have internal predecessors, (2149), 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) [2023-08-29 01:07:42,770 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:42,770 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:07:42,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-08-29 01:07:42,770 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:07:42,770 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:42,770 INFO L85 PathProgramCache]: Analyzing trace with hash 704106975, now seen corresponding path program 1 times [2023-08-29 01:07:42,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:42,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771102895] [2023-08-29 01:07:42,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:42,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:42,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:07:42,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:42,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771102895] [2023-08-29 01:07:42,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771102895] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:42,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:42,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:07:42,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98247533] [2023-08-29 01:07:42,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:42,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:07:42,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:42,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:07:42,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:07:43,183 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 418 [2023-08-29 01:07:43,183 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 609 places, 1192 transitions, 72617 flow. Second operand has 6 states, 6 states have (on average 167.5) internal successors, (1005), 6 states have internal predecessors, (1005), 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) [2023-08-29 01:07:43,183 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:43,183 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 418 [2023-08-29 01:07:43,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:47,406 INFO L130 PetriNetUnfolder]: 1681/6492 cut-off events. [2023-08-29 01:07:47,406 INFO L131 PetriNetUnfolder]: For 1105405/1106924 co-relation queries the response was YES. [2023-08-29 01:07:47,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90718 conditions, 6492 events. 1681/6492 cut-off events. For 1105405/1106924 co-relation queries the response was YES. Maximal size of possible extension queue 411. Compared 75726 event pairs, 858 based on Foata normal form. 65/6104 useless extension candidates. Maximal degree in co-relation 90486. Up to 3773 conditions per place. [2023-08-29 01:07:47,534 INFO L137 encePairwiseOnDemand]: 413/418 looper letters, 800 selfloop transitions, 4 changer transitions 0/1191 dead transitions. [2023-08-29 01:07:47,534 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 613 places, 1191 transitions, 74223 flow [2023-08-29 01:07:47,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:07:47,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:07:47,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1024 transitions. [2023-08-29 01:07:47,536 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4082934609250399 [2023-08-29 01:07:47,536 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1024 transitions. [2023-08-29 01:07:47,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1024 transitions. [2023-08-29 01:07:47,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:47,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1024 transitions. [2023-08-29 01:07:47,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 170.66666666666666) internal successors, (1024), 6 states have internal predecessors, (1024), 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) [2023-08-29 01:07:47,539 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 418.0) internal successors, (2926), 7 states have internal predecessors, (2926), 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) [2023-08-29 01:07:47,540 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 418.0) internal successors, (2926), 7 states have internal predecessors, (2926), 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) [2023-08-29 01:07:47,540 INFO L175 Difference]: Start difference. First operand has 609 places, 1192 transitions, 72617 flow. Second operand 6 states and 1024 transitions. [2023-08-29 01:07:47,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 613 places, 1191 transitions, 74223 flow [2023-08-29 01:07:51,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 596 places, 1191 transitions, 73701 flow, removed 52 selfloop flow, removed 17 redundant places. [2023-08-29 01:07:51,976 INFO L231 Difference]: Finished difference. Result has 596 places, 1191 transitions, 72101 flow [2023-08-29 01:07:51,977 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=72093, PETRI_DIFFERENCE_MINUEND_PLACES=591, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=72101, PETRI_PLACES=596, PETRI_TRANSITIONS=1191} [2023-08-29 01:07:51,978 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 522 predicate places. [2023-08-29 01:07:51,978 INFO L495 AbstractCegarLoop]: Abstraction has has 596 places, 1191 transitions, 72101 flow [2023-08-29 01:07:51,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 167.5) internal successors, (1005), 6 states have internal predecessors, (1005), 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) [2023-08-29 01:07:51,978 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:07:51,978 INFO L208 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] [2023-08-29 01:07:51,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-08-29 01:07:51,978 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:07:51,978 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:07:51,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1087217134, now seen corresponding path program 1 times [2023-08-29 01:07:51,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:07:51,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988990144] [2023-08-29 01:07:51,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:07:51,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:07:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:07:52,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:07:52,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:07:52,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988990144] [2023-08-29 01:07:52,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988990144] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:07:52,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:07:52,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:07:52,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319563114] [2023-08-29 01:07:52,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:07:52,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:07:52,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:07:52,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:07:52,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:07:52,637 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 418 [2023-08-29 01:07:52,638 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 596 places, 1191 transitions, 72101 flow. Second operand has 6 states, 6 states have (on average 172.83333333333334) internal successors, (1037), 6 states have internal predecessors, (1037), 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) [2023-08-29 01:07:52,638 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:07:52,638 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 418 [2023-08-29 01:07:52,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:07:59,524 INFO L130 PetriNetUnfolder]: 2772/8120 cut-off events. [2023-08-29 01:07:59,525 INFO L131 PetriNetUnfolder]: For 1570461/1571960 co-relation queries the response was YES. [2023-08-29 01:07:59,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120179 conditions, 8120 events. 2772/8120 cut-off events. For 1570461/1571960 co-relation queries the response was YES. Maximal size of possible extension queue 456. Compared 86635 event pairs, 881 based on Foata normal form. 65/7946 useless extension candidates. Maximal degree in co-relation 119958. Up to 4894 conditions per place. [2023-08-29 01:07:59,689 INFO L137 encePairwiseOnDemand]: 409/418 looper letters, 735 selfloop transitions, 546 changer transitions 0/1664 dead transitions. [2023-08-29 01:07:59,690 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 601 places, 1664 transitions, 109792 flow [2023-08-29 01:07:59,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:07:59,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:07:59,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1076 transitions. [2023-08-29 01:07:59,692 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42902711323763953 [2023-08-29 01:07:59,693 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1076 transitions. [2023-08-29 01:07:59,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1076 transitions. [2023-08-29 01:07:59,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:07:59,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1076 transitions. [2023-08-29 01:07:59,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 179.33333333333334) internal successors, (1076), 6 states have internal predecessors, (1076), 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) [2023-08-29 01:07:59,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 418.0) internal successors, (2926), 7 states have internal predecessors, (2926), 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) [2023-08-29 01:07:59,696 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 418.0) internal successors, (2926), 7 states have internal predecessors, (2926), 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) [2023-08-29 01:07:59,696 INFO L175 Difference]: Start difference. First operand has 596 places, 1191 transitions, 72101 flow. Second operand 6 states and 1076 transitions. [2023-08-29 01:07:59,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 601 places, 1664 transitions, 109792 flow [2023-08-29 01:08:04,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 597 places, 1664 transitions, 109785 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 01:08:04,953 INFO L231 Difference]: Finished difference. Result has 602 places, 1659 transitions, 109750 flow [2023-08-29 01:08:04,954 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=72094, PETRI_DIFFERENCE_MINUEND_PLACES=592, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=933, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=109750, PETRI_PLACES=602, PETRI_TRANSITIONS=1659} [2023-08-29 01:08:04,955 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 528 predicate places. [2023-08-29 01:08:04,955 INFO L495 AbstractCegarLoop]: Abstraction has has 602 places, 1659 transitions, 109750 flow [2023-08-29 01:08:04,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 172.83333333333334) internal successors, (1037), 6 states have internal predecessors, (1037), 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) [2023-08-29 01:08:04,955 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:08:04,955 INFO L208 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] [2023-08-29 01:08:04,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-08-29 01:08:04,955 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:08:04,956 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:08:04,956 INFO L85 PathProgramCache]: Analyzing trace with hash -655999287, now seen corresponding path program 1 times [2023-08-29 01:08:04,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:08:04,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235398812] [2023-08-29 01:08:04,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:08:04,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:08:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:08:06,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:08:06,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:08:06,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235398812] [2023-08-29 01:08:06,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235398812] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:08:06,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:08:06,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 01:08:06,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411507396] [2023-08-29 01:08:06,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:08:06,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 01:08:06,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:08:06,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 01:08:06,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-29 01:08:06,894 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 418 [2023-08-29 01:08:06,894 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 602 places, 1659 transitions, 109750 flow. Second operand has 9 states, 9 states have (on average 170.0) internal successors, (1530), 9 states have internal predecessors, (1530), 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) [2023-08-29 01:08:06,894 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:08:06,894 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 418 [2023-08-29 01:08:06,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:08:15,639 INFO L130 PetriNetUnfolder]: 2746/8068 cut-off events. [2023-08-29 01:08:15,639 INFO L131 PetriNetUnfolder]: For 1614310/1615809 co-relation queries the response was YES. [2023-08-29 01:08:15,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125539 conditions, 8068 events. 2746/8068 cut-off events. For 1614310/1615809 co-relation queries the response was YES. Maximal size of possible extension queue 456. Compared 85986 event pairs, 823 based on Foata normal form. 91/8026 useless extension candidates. Maximal degree in co-relation 125314. Up to 4607 conditions per place. [2023-08-29 01:08:15,809 INFO L137 encePairwiseOnDemand]: 407/418 looper letters, 793 selfloop transitions, 549 changer transitions 0/1725 dead transitions. [2023-08-29 01:08:15,810 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 609 places, 1725 transitions, 114080 flow [2023-08-29 01:08:15,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 01:08:15,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 01:08:15,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1411 transitions. [2023-08-29 01:08:15,812 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42194976076555024 [2023-08-29 01:08:15,812 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1411 transitions. [2023-08-29 01:08:15,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1411 transitions. [2023-08-29 01:08:15,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:08:15,812 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1411 transitions. [2023-08-29 01:08:15,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 176.375) internal successors, (1411), 8 states have internal predecessors, (1411), 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) [2023-08-29 01:08:15,815 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 418.0) internal successors, (3762), 9 states have internal predecessors, (3762), 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) [2023-08-29 01:08:15,816 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 418.0) internal successors, (3762), 9 states have internal predecessors, (3762), 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) [2023-08-29 01:08:15,816 INFO L175 Difference]: Start difference. First operand has 602 places, 1659 transitions, 109750 flow. Second operand 8 states and 1411 transitions. [2023-08-29 01:08:15,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 609 places, 1725 transitions, 114080 flow [2023-08-29 01:08:21,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 609 places, 1725 transitions, 114072 flow, removed 4 selfloop flow, removed 0 redundant places. [2023-08-29 01:08:21,221 INFO L231 Difference]: Finished difference. Result has 614 places, 1711 transitions, 113572 flow [2023-08-29 01:08:21,222 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=109742, PETRI_DIFFERENCE_MINUEND_PLACES=602, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1659, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=509, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=113572, PETRI_PLACES=614, PETRI_TRANSITIONS=1711} [2023-08-29 01:08:21,222 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 540 predicate places. [2023-08-29 01:08:21,222 INFO L495 AbstractCegarLoop]: Abstraction has has 614 places, 1711 transitions, 113572 flow [2023-08-29 01:08:21,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 170.0) internal successors, (1530), 9 states have internal predecessors, (1530), 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) [2023-08-29 01:08:21,222 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:08:21,222 INFO L208 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] [2023-08-29 01:08:21,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-08-29 01:08:21,223 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:08:21,223 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:08:21,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1852824615, now seen corresponding path program 1 times [2023-08-29 01:08:21,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:08:21,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857838461] [2023-08-29 01:08:21,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:08:21,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:08:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:08:22,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:08:22,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:08:22,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857838461] [2023-08-29 01:08:22,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857838461] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:08:22,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:08:22,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:08:22,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886754632] [2023-08-29 01:08:22,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:08:22,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:08:22,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:08:22,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:08:22,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:08:22,932 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 418 [2023-08-29 01:08:22,933 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 614 places, 1711 transitions, 113572 flow. Second operand has 10 states, 10 states have (on average 168.0) internal successors, (1680), 10 states have internal predecessors, (1680), 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) [2023-08-29 01:08:22,933 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:08:22,933 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 418 [2023-08-29 01:08:22,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:08:32,174 INFO L130 PetriNetUnfolder]: 2746/8062 cut-off events. [2023-08-29 01:08:32,174 INFO L131 PetriNetUnfolder]: For 1644492/1645832 co-relation queries the response was YES. [2023-08-29 01:08:32,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130665 conditions, 8062 events. 2746/8062 cut-off events. For 1644492/1645832 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 85982 event pairs, 572 based on Foata normal form. 125/8053 useless extension candidates. Maximal degree in co-relation 130434. Up to 3873 conditions per place. [2023-08-29 01:08:32,346 INFO L137 encePairwiseOnDemand]: 407/418 looper letters, 1007 selfloop transitions, 374 changer transitions 0/1764 dead transitions. [2023-08-29 01:08:32,347 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 623 places, 1764 transitions, 118189 flow [2023-08-29 01:08:32,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:08:32,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:08:32,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1735 transitions. [2023-08-29 01:08:32,349 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4150717703349282 [2023-08-29 01:08:32,349 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1735 transitions. [2023-08-29 01:08:32,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1735 transitions. [2023-08-29 01:08:32,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:08:32,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1735 transitions. [2023-08-29 01:08:32,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 173.5) internal successors, (1735), 10 states have internal predecessors, (1735), 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) [2023-08-29 01:08:32,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:08:32,354 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:08:32,354 INFO L175 Difference]: Start difference. First operand has 614 places, 1711 transitions, 113572 flow. Second operand 10 states and 1735 transitions. [2023-08-29 01:08:32,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 623 places, 1764 transitions, 118189 flow [2023-08-29 01:08:38,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 621 places, 1764 transitions, 118161 flow, removed 11 selfloop flow, removed 2 redundant places. [2023-08-29 01:08:38,453 INFO L231 Difference]: Finished difference. Result has 627 places, 1733 transitions, 116400 flow [2023-08-29 01:08:38,454 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=113552, PETRI_DIFFERENCE_MINUEND_PLACES=612, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1711, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=352, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=116400, PETRI_PLACES=627, PETRI_TRANSITIONS=1733} [2023-08-29 01:08:38,455 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 553 predicate places. [2023-08-29 01:08:38,455 INFO L495 AbstractCegarLoop]: Abstraction has has 627 places, 1733 transitions, 116400 flow [2023-08-29 01:08:38,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 168.0) internal successors, (1680), 10 states have internal predecessors, (1680), 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) [2023-08-29 01:08:38,455 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:08:38,455 INFO L208 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] [2023-08-29 01:08:38,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-08-29 01:08:38,455 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:08:38,456 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:08:38,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1205286593, now seen corresponding path program 2 times [2023-08-29 01:08:38,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:08:38,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089471337] [2023-08-29 01:08:38,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:08:38,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:08:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:08:40,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:08:40,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:08:40,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089471337] [2023-08-29 01:08:40,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089471337] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:08:40,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:08:40,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:08:40,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609385493] [2023-08-29 01:08:40,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:08:40,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:08:40,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:08:40,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:08:40,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:08:40,766 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 418 [2023-08-29 01:08:40,767 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 627 places, 1733 transitions, 116400 flow. Second operand has 10 states, 10 states have (on average 168.0) internal successors, (1680), 10 states have internal predecessors, (1680), 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) [2023-08-29 01:08:40,767 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:08:40,767 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 418 [2023-08-29 01:08:40,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:08:50,184 INFO L130 PetriNetUnfolder]: 2793/8254 cut-off events. [2023-08-29 01:08:50,184 INFO L131 PetriNetUnfolder]: For 1708020/1709510 co-relation queries the response was YES. [2023-08-29 01:08:50,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137102 conditions, 8254 events. 2793/8254 cut-off events. For 1708020/1709510 co-relation queries the response was YES. Maximal size of possible extension queue 496. Compared 88703 event pairs, 833 based on Foata normal form. 78/8199 useless extension candidates. Maximal degree in co-relation 136865. Up to 4587 conditions per place. [2023-08-29 01:08:50,352 INFO L137 encePairwiseOnDemand]: 406/418 looper letters, 812 selfloop transitions, 621 changer transitions 0/1816 dead transitions. [2023-08-29 01:08:50,352 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 636 places, 1816 transitions, 122860 flow [2023-08-29 01:08:50,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:08:50,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:08:50,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1735 transitions. [2023-08-29 01:08:50,354 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4150717703349282 [2023-08-29 01:08:50,354 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1735 transitions. [2023-08-29 01:08:50,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1735 transitions. [2023-08-29 01:08:50,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:08:50,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1735 transitions. [2023-08-29 01:08:50,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 173.5) internal successors, (1735), 10 states have internal predecessors, (1735), 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) [2023-08-29 01:08:50,357 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:08:50,357 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:08:50,357 INFO L175 Difference]: Start difference. First operand has 627 places, 1733 transitions, 116400 flow. Second operand 10 states and 1735 transitions. [2023-08-29 01:08:50,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 636 places, 1816 transitions, 122860 flow [2023-08-29 01:08:56,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 633 places, 1816 transitions, 122546 flow, removed 13 selfloop flow, removed 3 redundant places. [2023-08-29 01:08:56,687 INFO L231 Difference]: Finished difference. Result has 638 places, 1798 transitions, 121999 flow [2023-08-29 01:08:56,689 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=116114, PETRI_DIFFERENCE_MINUEND_PLACES=624, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1733, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=556, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=121999, PETRI_PLACES=638, PETRI_TRANSITIONS=1798} [2023-08-29 01:08:56,689 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 564 predicate places. [2023-08-29 01:08:56,689 INFO L495 AbstractCegarLoop]: Abstraction has has 638 places, 1798 transitions, 121999 flow [2023-08-29 01:08:56,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 168.0) internal successors, (1680), 10 states have internal predecessors, (1680), 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) [2023-08-29 01:08:56,690 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:08:56,690 INFO L208 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] [2023-08-29 01:08:56,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-08-29 01:08:56,690 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:08:56,691 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:08:56,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1522891007, now seen corresponding path program 3 times [2023-08-29 01:08:56,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:08:56,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501072611] [2023-08-29 01:08:56,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:08:56,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:08:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:08:57,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:08:57,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:08:57,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501072611] [2023-08-29 01:08:57,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501072611] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:08:57,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:08:57,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:08:57,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975063644] [2023-08-29 01:08:57,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:08:57,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:08:57,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:08:57,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:08:57,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:08:58,518 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 418 [2023-08-29 01:08:58,518 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 638 places, 1798 transitions, 121999 flow. Second operand has 10 states, 10 states have (on average 168.0) internal successors, (1680), 10 states have internal predecessors, (1680), 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) [2023-08-29 01:08:58,518 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:08:58,518 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 418 [2023-08-29 01:08:58,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:09:08,692 INFO L130 PetriNetUnfolder]: 2871/8527 cut-off events. [2023-08-29 01:09:08,692 INFO L131 PetriNetUnfolder]: For 1769407/1770897 co-relation queries the response was YES. [2023-08-29 01:09:08,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143714 conditions, 8527 events. 2871/8527 cut-off events. For 1769407/1770897 co-relation queries the response was YES. Maximal size of possible extension queue 535. Compared 92500 event pairs, 847 based on Foata normal form. 78/8472 useless extension candidates. Maximal degree in co-relation 143472. Up to 4509 conditions per place. [2023-08-29 01:09:08,871 INFO L137 encePairwiseOnDemand]: 406/418 looper letters, 900 selfloop transitions, 707 changer transitions 0/1990 dead transitions. [2023-08-29 01:09:08,871 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 1990 transitions, 137563 flow [2023-08-29 01:09:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:09:08,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:09:08,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1738 transitions. [2023-08-29 01:09:08,873 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41578947368421054 [2023-08-29 01:09:08,873 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1738 transitions. [2023-08-29 01:09:08,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1738 transitions. [2023-08-29 01:09:08,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:09:08,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1738 transitions. [2023-08-29 01:09:08,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 173.8) internal successors, (1738), 10 states have internal predecessors, (1738), 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) [2023-08-29 01:09:08,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:09:08,876 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:09:08,876 INFO L175 Difference]: Start difference. First operand has 638 places, 1798 transitions, 121999 flow. Second operand 10 states and 1738 transitions. [2023-08-29 01:09:08,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 1990 transitions, 137563 flow [2023-08-29 01:09:15,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 644 places, 1990 transitions, 137359 flow, removed 42 selfloop flow, removed 3 redundant places. [2023-08-29 01:09:15,561 INFO L231 Difference]: Finished difference. Result has 648 places, 1925 transitions, 133791 flow [2023-08-29 01:09:15,562 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=121808, PETRI_DIFFERENCE_MINUEND_PLACES=635, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1798, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=592, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=133791, PETRI_PLACES=648, PETRI_TRANSITIONS=1925} [2023-08-29 01:09:15,562 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 574 predicate places. [2023-08-29 01:09:15,562 INFO L495 AbstractCegarLoop]: Abstraction has has 648 places, 1925 transitions, 133791 flow [2023-08-29 01:09:15,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 168.0) internal successors, (1680), 10 states have internal predecessors, (1680), 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) [2023-08-29 01:09:15,563 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:09:15,563 INFO L208 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] [2023-08-29 01:09:15,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-08-29 01:09:15,563 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:09:15,564 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:09:15,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1288515669, now seen corresponding path program 4 times [2023-08-29 01:09:15,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:09:15,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443739496] [2023-08-29 01:09:15,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:09:15,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:09:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:09:16,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:09:16,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:09:16,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443739496] [2023-08-29 01:09:16,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443739496] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:09:16,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:09:16,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:09:16,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588486857] [2023-08-29 01:09:16,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:09:16,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:09:16,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:09:16,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:09:16,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:09:17,324 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 418 [2023-08-29 01:09:17,325 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 648 places, 1925 transitions, 133791 flow. Second operand has 10 states, 10 states have (on average 168.0) internal successors, (1680), 10 states have internal predecessors, (1680), 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) [2023-08-29 01:09:17,325 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:09:17,325 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 418 [2023-08-29 01:09:17,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:09:27,895 INFO L130 PetriNetUnfolder]: 2871/8592 cut-off events. [2023-08-29 01:09:27,895 INFO L131 PetriNetUnfolder]: For 1821042/1822532 co-relation queries the response was YES. [2023-08-29 01:09:28,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146959 conditions, 8592 events. 2871/8592 cut-off events. For 1821042/1822532 co-relation queries the response was YES. Maximal size of possible extension queue 547. Compared 93667 event pairs, 821 based on Foata normal form. 78/8537 useless extension candidates. Maximal degree in co-relation 146713. Up to 4652 conditions per place. [2023-08-29 01:09:28,227 INFO L137 encePairwiseOnDemand]: 406/418 looper letters, 876 selfloop transitions, 769 changer transitions 0/2028 dead transitions. [2023-08-29 01:09:28,227 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 656 places, 2028 transitions, 141870 flow [2023-08-29 01:09:28,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:09:28,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:09:28,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1736 transitions. [2023-08-29 01:09:28,229 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.415311004784689 [2023-08-29 01:09:28,229 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1736 transitions. [2023-08-29 01:09:28,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1736 transitions. [2023-08-29 01:09:28,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:09:28,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1736 transitions. [2023-08-29 01:09:28,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 173.6) internal successors, (1736), 10 states have internal predecessors, (1736), 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) [2023-08-29 01:09:28,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:09:28,233 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 418.0) internal successors, (4598), 11 states have internal predecessors, (4598), 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) [2023-08-29 01:09:28,233 INFO L175 Difference]: Start difference. First operand has 648 places, 1925 transitions, 133791 flow. Second operand 10 states and 1736 transitions. [2023-08-29 01:09:28,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 656 places, 2028 transitions, 141870 flow [2023-08-29 01:09:35,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 651 places, 2028 transitions, 140795 flow, removed 89 selfloop flow, removed 5 redundant places. [2023-08-29 01:09:35,122 INFO L231 Difference]: Finished difference. Result has 655 places, 1999 transitions, 139386 flow [2023-08-29 01:09:35,123 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=132860, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1924, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=694, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=139386, PETRI_PLACES=655, PETRI_TRANSITIONS=1999} [2023-08-29 01:09:35,124 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 581 predicate places. [2023-08-29 01:09:35,124 INFO L495 AbstractCegarLoop]: Abstraction has has 655 places, 1999 transitions, 139386 flow [2023-08-29 01:09:35,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 168.0) internal successors, (1680), 10 states have internal predecessors, (1680), 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) [2023-08-29 01:09:35,124 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:09:35,124 INFO L208 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] [2023-08-29 01:09:35,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-08-29 01:09:35,124 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-08-29 01:09:35,124 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:09:35,125 INFO L85 PathProgramCache]: Analyzing trace with hash -2081951262, now seen corresponding path program 1 times [2023-08-29 01:09:35,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:09:35,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277164675] [2023-08-29 01:09:35,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:09:35,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:09:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:09:35,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:09:35,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:09:35,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277164675] [2023-08-29 01:09:35,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277164675] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:09:35,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:09:35,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:09:35,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426386269] [2023-08-29 01:09:35,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:09:35,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:09:35,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:09:35,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:09:35,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:09:35,639 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 418 [2023-08-29 01:09:35,639 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 655 places, 1999 transitions, 139386 flow. Second operand has 6 states, 6 states have (on average 167.66666666666666) internal successors, (1006), 6 states have internal predecessors, (1006), 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) [2023-08-29 01:09:35,640 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:09:35,640 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 418 [2023-08-29 01:09:35,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:09:43,582 INFO L130 PetriNetUnfolder]: 2309/7920 cut-off events. [2023-08-29 01:09:43,582 INFO L131 PetriNetUnfolder]: For 1874617/1876414 co-relation queries the response was YES. [2023-08-29 01:09:43,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143601 conditions, 7920 events. 2309/7920 cut-off events. For 1874617/1876414 co-relation queries the response was YES. Maximal size of possible extension queue 547. Compared 91323 event pairs, 860 based on Foata normal form. 70/7857 useless extension candidates. Maximal degree in co-relation 143354. Up to 4537 conditions per place. [2023-08-29 01:09:43,719 INFO L137 encePairwiseOnDemand]: 411/418 looper letters, 0 selfloop transitions, 0 changer transitions 2000/2000 dead transitions. [2023-08-29 01:09:43,719 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 659 places, 2000 transitions, 142563 flow [2023-08-29 01:09:43,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:09:43,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:09:43,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1025 transitions. [2023-08-29 01:09:43,720 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4086921850079745 [2023-08-29 01:09:43,720 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1025 transitions. [2023-08-29 01:09:43,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1025 transitions. [2023-08-29 01:09:43,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:09:43,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1025 transitions. [2023-08-29 01:09:43,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 170.83333333333334) internal successors, (1025), 6 states have internal predecessors, (1025), 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) [2023-08-29 01:09:43,722 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 418.0) internal successors, (2926), 7 states have internal predecessors, (2926), 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) [2023-08-29 01:09:43,723 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 418.0) internal successors, (2926), 7 states have internal predecessors, (2926), 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) [2023-08-29 01:09:43,723 INFO L175 Difference]: Start difference. First operand has 655 places, 1999 transitions, 139386 flow. Second operand 6 states and 1025 transitions. [2023-08-29 01:09:43,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 659 places, 2000 transitions, 142563 flow [2023-08-29 01:09:50,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 649 places, 2000 transitions, 141475 flow, removed 11 selfloop flow, removed 10 redundant places. [2023-08-29 01:09:50,284 INFO L231 Difference]: Finished difference. Result has 649 places, 0 transitions, 0 flow [2023-08-29 01:09:50,286 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=418, PETRI_DIFFERENCE_MINUEND_FLOW=138296, PETRI_DIFFERENCE_MINUEND_PLACES=644, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1998, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1998, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=649, PETRI_TRANSITIONS=0} [2023-08-29 01:09:50,286 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 575 predicate places. [2023-08-29 01:09:50,286 INFO L495 AbstractCegarLoop]: Abstraction has has 649 places, 0 transitions, 0 flow [2023-08-29 01:09:50,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 167.66666666666666) internal successors, (1006), 6 states have internal predecessors, (1006), 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) [2023-08-29 01:09:50,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (20 of 21 remaining) [2023-08-29 01:09:50,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2023-08-29 01:09:50,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2023-08-29 01:09:50,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2023-08-29 01:09:50,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 21 remaining) [2023-08-29 01:09:50,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2023-08-29 01:09:50,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2023-08-29 01:09:50,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2023-08-29 01:09:50,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2023-08-29 01:09:50,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2023-08-29 01:09:50,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 21 remaining) [2023-08-29 01:09:50,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 21 remaining) [2023-08-29 01:09:50,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining) [2023-08-29 01:09:50,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2023-08-29 01:09:50,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2023-08-29 01:09:50,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining) [2023-08-29 01:09:50,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2023-08-29 01:09:50,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2023-08-29 01:09:50,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2023-08-29 01:09:50,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2023-08-29 01:09:50,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2023-08-29 01:09:50,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-08-29 01:09:50,296 INFO L445 BasicCegarLoop]: Path program histogram: [27, 6, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:09:50,302 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 01:09:50,302 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 01:09:50,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 01:09:50 BasicIcfg [2023-08-29 01:09:50,305 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 01:09:50,305 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 01:09:50,305 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 01:09:50,305 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 01:09:50,306 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:01:49" (3/4) ... [2023-08-29 01:09:50,308 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 01:09:50,313 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2023-08-29 01:09:50,320 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-08-29 01:09:50,321 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-08-29 01:09:50,321 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 01:09:50,321 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 01:09:50,369 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 01:09:50,369 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 01:09:50,370 INFO L158 Benchmark]: Toolchain (without parser) took 482842.75ms. Allocated memory was 92.3MB in the beginning and 7.8GB in the end (delta: 7.7GB). Free memory was 66.4MB in the beginning and 6.7GB in the end (delta: -6.6GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2023-08-29 01:09:50,370 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 01:09:50,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1013.41ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 53.5MB in the end (delta: 12.7MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2023-08-29 01:09:50,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.26ms. Allocated memory is still 92.3MB. Free memory was 53.5MB in the beginning and 49.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 01:09:50,371 INFO L158 Benchmark]: Boogie Preprocessor took 43.32ms. Allocated memory is still 92.3MB. Free memory was 49.3MB in the beginning and 45.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 01:09:50,372 INFO L158 Benchmark]: RCFGBuilder took 828.94ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 45.5MB in the beginning and 75.4MB in the end (delta: -29.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-08-29 01:09:50,372 INFO L158 Benchmark]: TraceAbstraction took 480796.66ms. Allocated memory was 111.1MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 74.3MB in the beginning and 6.7GB in the end (delta: -6.6GB). Peak memory consumption was 4.5GB. Max. memory is 16.1GB. [2023-08-29 01:09:50,372 INFO L158 Benchmark]: Witness Printer took 64.34ms. Allocated memory is still 7.8GB. Free memory was 6.7GB in the beginning and 6.7GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 01:09:50,374 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1013.41ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 53.5MB in the end (delta: 12.7MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.26ms. Allocated memory is still 92.3MB. Free memory was 53.5MB in the beginning and 49.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.32ms. Allocated memory is still 92.3MB. Free memory was 49.3MB in the beginning and 45.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 828.94ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 45.5MB in the beginning and 75.4MB in the end (delta: -29.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * TraceAbstraction took 480796.66ms. Allocated memory was 111.1MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 74.3MB in the beginning and 6.7GB in the end (delta: -6.6GB). Peak memory consumption was 4.5GB. Max. memory is 16.1GB. * Witness Printer took 64.34ms. Allocated memory is still 7.8GB. Free memory was 6.7GB in the beginning and 6.7GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44.2s, 215 PlacesBefore, 74 PlacesAfterwards, 214 TransitionsBefore, 71 TransitionsAfterwards, 4680 CoEnabledTransitionPairs, 11 FixpointIterations, 106 TrivialSequentialCompositions, 58 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 29 ConcurrentYvCompositions, 2 ChoiceCompositions, 201 TotalNumberOfCompositions, 27136 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4173, independent: 2968, independent conditional: 0, independent unconditional: 2968, dependent: 1205, dependent conditional: 0, dependent unconditional: 1205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2012, independent: 1930, independent conditional: 0, independent unconditional: 1930, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4173, independent: 1038, independent conditional: 0, independent unconditional: 1038, dependent: 1123, dependent conditional: 0, dependent unconditional: 1123, unknown: 2012, unknown conditional: 0, unknown unconditional: 2012] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 16, Positive conditional cache size: 0, Positive unconditional cache size: 16, Negative cache size: 59, Negative conditional cache size: 0, Negative unconditional cache size: 59, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1742]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1744]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1738]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1699]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 227 locations, 21 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 480.7s, OverallIterations: 63, TraceHistogramMax: 1, PathProgramHistogramMax: 27, EmptinessCheckTime: 0.0s, AutomataDifference: 405.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 44.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31298 SdHoareTripleChecker+Valid, 115.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25216 mSDsluCounter, 17161 SdHoareTripleChecker+Invalid, 104.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15915 mSDsCounter, 10173 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 120142 IncrementalHoareTripleChecker+Invalid, 130315 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10173 mSolverCounterUnsat, 1246 mSDtfsCounter, 120142 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1075 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1011 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2265 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139386occurred in iteration=62, InterpolantAutomatonStates: 689, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 28.9s InterpolantComputationTime, 1012 NumberOfCodeBlocks, 1012 NumberOfCodeBlocksAsserted, 63 NumberOfCheckSat, 949 ConstructedInterpolants, 0 QuantifiedInterpolants, 16592 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 63 InterpolantComputations, 63 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 01:09:50,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE