./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --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/weaver/chl-array-int-subst.wvr.c -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 d6aa6ef36156b11d9501f41a7beea3c182ea6a120d3ddbfd55ede5953f5f6e32 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 18:49:12,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 18:49:12,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 18:49:12,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 18:49:12,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 18:49:12,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 18:49:12,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 18:49:12,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 18:49:12,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 18:49:12,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 18:49:12,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 18:49:12,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 18:49:12,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 18:49:12,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 18:49:12,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 18:49:12,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 18:49:12,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 18:49:12,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 18:49:12,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 18:49:12,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 18:49:12,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 18:49:12,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 18:49:12,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 18:49:12,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 18:49:12,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 18:49:12,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 18:49:12,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 18:49:12,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 18:49:12,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 18:49:12,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 18:49:12,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 18:49:12,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 18:49:12,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 18:49:12,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 18:49:12,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 18:49:12,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 18:49:12,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 18:49:12,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 18:49:12,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 18:49:12,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 18:49:12,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 18:49:12,759 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 18:49:12,793 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 18:49:12,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 18:49:12,794 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 18:49:12,794 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 18:49:12,795 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 18:49:12,795 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 18:49:12,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 18:49:12,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 18:49:12,797 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 18:49:12,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 18:49:12,798 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 18:49:12,798 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 18:49:12,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 18:49:12,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 18:49:12,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 18:49:12,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 18:49:12,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 18:49:12,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 18:49:12,799 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 18:49:12,801 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 18:49:12,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 18:49:12,805 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 18:49:12,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 18:49:12,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 18:49:12,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 18:49:12,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 18:49:12,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:49:12,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 18:49:12,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 18:49:12,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 18:49:12,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 18:49:12,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 18:49:12,807 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 18:49:12,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 18:49:12,807 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 18:49:12,808 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 18:49:12,808 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 18:49:12,808 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6aa6ef36156b11d9501f41a7beea3c182ea6a120d3ddbfd55ede5953f5f6e32 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 18:49:13,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 18:49:13,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 18:49:13,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 18:49:13,126 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 18:49:13,126 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 18:49:13,127 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c [2023-08-29 18:49:14,327 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 18:49:14,506 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 18:49:14,506 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c [2023-08-29 18:49:14,512 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/642ed4624/d90e5bac2a7645e6a9046a92e45c2249/FLAGb7794ba5c [2023-08-29 18:49:14,523 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/642ed4624/d90e5bac2a7645e6a9046a92e45c2249 [2023-08-29 18:49:14,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 18:49:14,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 18:49:14,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 18:49:14,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 18:49:14,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 18:49:14,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:49:14" (1/1) ... [2023-08-29 18:49:14,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31908cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:14, skipping insertion in model container [2023-08-29 18:49:14,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:49:14" (1/1) ... [2023-08-29 18:49:14,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 18:49:14,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 18:49:14,735 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c[2781,2794] [2023-08-29 18:49:14,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:49:14,756 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 18:49:14,802 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c[2781,2794] [2023-08-29 18:49:14,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:49:14,821 INFO L208 MainTranslator]: Completed translation [2023-08-29 18:49:14,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:14 WrapperNode [2023-08-29 18:49:14,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 18:49:14,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 18:49:14,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 18:49:14,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 18:49:14,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:14" (1/1) ... [2023-08-29 18:49:14,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:14" (1/1) ... [2023-08-29 18:49:14,923 INFO L138 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 514 [2023-08-29 18:49:14,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 18:49:14,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 18:49:14,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 18:49:14,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 18:49:14,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:14" (1/1) ... [2023-08-29 18:49:14,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:14" (1/1) ... [2023-08-29 18:49:14,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:14" (1/1) ... [2023-08-29 18:49:14,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:14" (1/1) ... [2023-08-29 18:49:14,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:14" (1/1) ... [2023-08-29 18:49:14,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:14" (1/1) ... [2023-08-29 18:49:14,995 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:14" (1/1) ... [2023-08-29 18:49:15,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:14" (1/1) ... [2023-08-29 18:49:15,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 18:49:15,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 18:49:15,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 18:49:15,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 18:49:15,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:14" (1/1) ... [2023-08-29 18:49:15,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:49:15,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 18:49:15,045 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 18:49:15,069 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 18:49:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 18:49:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 18:49:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 18:49:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 18:49:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 18:49:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 18:49:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 18:49:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 18:49:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 18:49:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 18:49:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 18:49:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 18:49:15,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 18:49:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 18:49:15,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 18:49:15,086 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 18:49:15,222 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 18:49:15,224 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 18:49:15,962 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 18:49:15,978 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 18:49:15,978 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-08-29 18:49:15,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:49:15 BoogieIcfgContainer [2023-08-29 18:49:15,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 18:49:15,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 18:49:15,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 18:49:15,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 18:49:15,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 06:49:14" (1/3) ... [2023-08-29 18:49:15,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4853549b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:49:15, skipping insertion in model container [2023-08-29 18:49:15,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:14" (2/3) ... [2023-08-29 18:49:15,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4853549b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:49:15, skipping insertion in model container [2023-08-29 18:49:15,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:49:15" (3/3) ... [2023-08-29 18:49:15,989 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-subst.wvr.c [2023-08-29 18:49:15,996 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 18:49:16,004 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 18:49:16,005 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2023-08-29 18:49:16,005 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 18:49:16,169 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 18:49:16,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 592 places, 615 transitions, 1254 flow [2023-08-29 18:49:16,486 INFO L130 PetriNetUnfolder]: 33/612 cut-off events. [2023-08-29 18:49:16,487 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 18:49:16,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 625 conditions, 612 events. 33/612 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1444 event pairs, 0 based on Foata normal form. 0/517 useless extension candidates. Maximal degree in co-relation 436. Up to 3 conditions per place. [2023-08-29 18:49:16,502 INFO L82 GeneralOperation]: Start removeDead. Operand has 592 places, 615 transitions, 1254 flow [2023-08-29 18:49:16,515 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 571 places, 592 transitions, 1202 flow [2023-08-29 18:49:16,518 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 18:49:16,537 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 571 places, 592 transitions, 1202 flow [2023-08-29 18:49:16,541 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 571 places, 592 transitions, 1202 flow [2023-08-29 18:49:16,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 571 places, 592 transitions, 1202 flow [2023-08-29 18:49:16,653 INFO L130 PetriNetUnfolder]: 31/592 cut-off events. [2023-08-29 18:49:16,653 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 18:49:16,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 605 conditions, 592 events. 31/592 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1418 event pairs, 0 based on Foata normal form. 0/500 useless extension candidates. Maximal degree in co-relation 436. Up to 3 conditions per place. [2023-08-29 18:49:16,691 INFO L119 LiptonReduction]: Number of co-enabled transitions 85536 [2023-08-29 18:49:27,454 INFO L134 LiptonReduction]: Checked pairs total: 490161 [2023-08-29 18:49:27,454 INFO L136 LiptonReduction]: Total number of compositions: 504 [2023-08-29 18:49:27,467 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 18:49:27,472 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;@7ea92c92, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 18:49:27,473 INFO L358 AbstractCegarLoop]: Starting to check reachability of 107 error locations. [2023-08-29 18:49:27,474 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 18:49:27,474 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:49:27,474 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:49:27,475 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 18:49:27,475 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:49:27,479 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:49:27,480 INFO L85 PathProgramCache]: Analyzing trace with hash 2223, now seen corresponding path program 1 times [2023-08-29 18:49:27,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:49:27,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170377121] [2023-08-29 18:49:27,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:49:27,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:49:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:49:27,579 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 18:49:27,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:49:27,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170377121] [2023-08-29 18:49:27,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170377121] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:49:27,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:49:27,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 18:49:27,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036275254] [2023-08-29 18:49:27,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:49:27,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 18:49:27,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:49:27,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 18:49:27,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 18:49:27,666 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 588 out of 1119 [2023-08-29 18:49:27,670 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 220 transitions, 458 flow. Second operand has 2 states, 2 states have (on average 588.5) internal successors, (1177), 2 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:27,682 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:49:27,682 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 588 of 1119 [2023-08-29 18:49:27,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:49:30,931 INFO L130 PetriNetUnfolder]: 8052/28250 cut-off events. [2023-08-29 18:49:30,931 INFO L131 PetriNetUnfolder]: For 624/741 co-relation queries the response was YES. [2023-08-29 18:49:31,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39363 conditions, 28250 events. 8052/28250 cut-off events. For 624/741 co-relation queries the response was YES. Maximal size of possible extension queue 748. Compared 345075 event pairs, 5793 based on Foata normal form. 2127/24823 useless extension candidates. Maximal degree in co-relation 35919. Up to 10786 conditions per place. [2023-08-29 18:49:31,141 INFO L137 encePairwiseOnDemand]: 1093/1119 looper letters, 55 selfloop transitions, 0 changer transitions 1/194 dead transitions. [2023-08-29 18:49:31,142 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 194 transitions, 518 flow [2023-08-29 18:49:31,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 18:49:31,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 18:49:31,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1258 transitions. [2023-08-29 18:49:31,162 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5621090259159964 [2023-08-29 18:49:31,163 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1258 transitions. [2023-08-29 18:49:31,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1258 transitions. [2023-08-29 18:49:31,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:49:31,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1258 transitions. [2023-08-29 18:49:31,175 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 629.0) internal successors, (1258), 2 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:31,183 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1119.0) internal successors, (3357), 3 states have internal predecessors, (3357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:31,185 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1119.0) internal successors, (3357), 3 states have internal predecessors, (3357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:31,186 INFO L175 Difference]: Start difference. First operand has 215 places, 220 transitions, 458 flow. Second operand 2 states and 1258 transitions. [2023-08-29 18:49:31,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 194 transitions, 518 flow [2023-08-29 18:49:31,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 194 transitions, 506 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 18:49:31,211 INFO L231 Difference]: Finished difference. Result has 187 places, 193 transitions, 391 flow [2023-08-29 18:49:31,213 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=391, PETRI_PLACES=187, PETRI_TRANSITIONS=193} [2023-08-29 18:49:31,216 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -28 predicate places. [2023-08-29 18:49:31,217 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 193 transitions, 391 flow [2023-08-29 18:49:31,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 588.5) internal successors, (1177), 2 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:31,219 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:49:31,219 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:49:31,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 18:49:31,222 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:49:31,229 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:49:31,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1135505181, now seen corresponding path program 1 times [2023-08-29 18:49:31,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:49:31,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847020053] [2023-08-29 18:49:31,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:49:31,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:49:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:49:31,418 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 18:49:31,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:49:31,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847020053] [2023-08-29 18:49:31,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847020053] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:49:31,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:49:31,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:49:31,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585515330] [2023-08-29 18:49:31,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:49:31,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:49:31,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:49:31,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:49:31,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:49:31,440 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 572 out of 1119 [2023-08-29 18:49:31,442 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 193 transitions, 391 flow. Second operand has 3 states, 3 states have (on average 574.3333333333334) internal successors, (1723), 3 states have internal predecessors, (1723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:31,443 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:49:31,443 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 572 of 1119 [2023-08-29 18:49:31,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:49:34,354 INFO L130 PetriNetUnfolder]: 12514/39863 cut-off events. [2023-08-29 18:49:34,354 INFO L131 PetriNetUnfolder]: For 182/643 co-relation queries the response was YES. [2023-08-29 18:49:34,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56874 conditions, 39863 events. 12514/39863 cut-off events. For 182/643 co-relation queries the response was YES. Maximal size of possible extension queue 1030. Compared 488499 event pairs, 9481 based on Foata normal form. 0/32292 useless extension candidates. Maximal degree in co-relation 56871. Up to 16864 conditions per place. [2023-08-29 18:49:34,564 INFO L137 encePairwiseOnDemand]: 1114/1119 looper letters, 59 selfloop transitions, 1 changer transitions 0/189 dead transitions. [2023-08-29 18:49:34,564 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 189 transitions, 503 flow [2023-08-29 18:49:34,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:49:34,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:49:34,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1780 transitions. [2023-08-29 18:49:34,569 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5302353291629431 [2023-08-29 18:49:34,569 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1780 transitions. [2023-08-29 18:49:34,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1780 transitions. [2023-08-29 18:49:34,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:49:34,571 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1780 transitions. [2023-08-29 18:49:34,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 593.3333333333334) internal successors, (1780), 3 states have internal predecessors, (1780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:34,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:34,582 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:34,582 INFO L175 Difference]: Start difference. First operand has 187 places, 193 transitions, 391 flow. Second operand 3 states and 1780 transitions. [2023-08-29 18:49:34,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 189 transitions, 503 flow [2023-08-29 18:49:34,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 189 transitions, 503 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:49:34,587 INFO L231 Difference]: Finished difference. Result has 184 places, 189 transitions, 385 flow [2023-08-29 18:49:34,588 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=385, PETRI_PLACES=184, PETRI_TRANSITIONS=189} [2023-08-29 18:49:34,589 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -31 predicate places. [2023-08-29 18:49:34,590 INFO L495 AbstractCegarLoop]: Abstraction has has 184 places, 189 transitions, 385 flow [2023-08-29 18:49:34,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 574.3333333333334) internal successors, (1723), 3 states have internal predecessors, (1723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:34,591 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:49:34,591 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:49:34,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 18:49:34,592 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:49:34,594 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:49:34,594 INFO L85 PathProgramCache]: Analyzing trace with hash -298740923, now seen corresponding path program 1 times [2023-08-29 18:49:34,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:49:34,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475415124] [2023-08-29 18:49:34,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:49:34,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:49:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:49:34,667 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 18:49:34,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:49:34,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475415124] [2023-08-29 18:49:34,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475415124] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:49:34,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:49:34,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:49:34,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343191110] [2023-08-29 18:49:34,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:49:34,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:49:34,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:49:34,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:49:34,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:49:34,687 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 572 out of 1119 [2023-08-29 18:49:34,690 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 189 transitions, 385 flow. Second operand has 3 states, 3 states have (on average 574.6666666666666) internal successors, (1724), 3 states have internal predecessors, (1724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:34,690 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:49:34,690 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 572 of 1119 [2023-08-29 18:49:34,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:49:37,200 INFO L130 PetriNetUnfolder]: 10814/35229 cut-off events. [2023-08-29 18:49:37,200 INFO L131 PetriNetUnfolder]: For 160/347 co-relation queries the response was YES. [2023-08-29 18:49:37,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49871 conditions, 35229 events. 10814/35229 cut-off events. For 160/347 co-relation queries the response was YES. Maximal size of possible extension queue 953. Compared 432305 event pairs, 8015 based on Foata normal form. 0/28745 useless extension candidates. Maximal degree in co-relation 49867. Up to 14524 conditions per place. [2023-08-29 18:49:37,393 INFO L137 encePairwiseOnDemand]: 1114/1119 looper letters, 58 selfloop transitions, 1 changer transitions 0/185 dead transitions. [2023-08-29 18:49:37,394 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 185 transitions, 495 flow [2023-08-29 18:49:37,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:49:37,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:49:37,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1779 transitions. [2023-08-29 18:49:37,402 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5299374441465594 [2023-08-29 18:49:37,402 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1779 transitions. [2023-08-29 18:49:37,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1779 transitions. [2023-08-29 18:49:37,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:49:37,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1779 transitions. [2023-08-29 18:49:37,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 593.0) internal successors, (1779), 3 states have internal predecessors, (1779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:37,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:37,417 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:37,417 INFO L175 Difference]: Start difference. First operand has 184 places, 189 transitions, 385 flow. Second operand 3 states and 1779 transitions. [2023-08-29 18:49:37,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 185 transitions, 495 flow [2023-08-29 18:49:37,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 185 transitions, 494 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:49:37,424 INFO L231 Difference]: Finished difference. Result has 181 places, 185 transitions, 378 flow [2023-08-29 18:49:37,424 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=378, PETRI_PLACES=181, PETRI_TRANSITIONS=185} [2023-08-29 18:49:37,426 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -34 predicate places. [2023-08-29 18:49:37,429 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 185 transitions, 378 flow [2023-08-29 18:49:37,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 574.6666666666666) internal successors, (1724), 3 states have internal predecessors, (1724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:37,430 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:49:37,430 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:49:37,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 18:49:37,431 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:49:37,431 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:49:37,431 INFO L85 PathProgramCache]: Analyzing trace with hash -19260513, now seen corresponding path program 1 times [2023-08-29 18:49:37,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:49:37,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899849589] [2023-08-29 18:49:37,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:49:37,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:49:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:49:37,510 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 18:49:37,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:49:37,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899849589] [2023-08-29 18:49:37,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899849589] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:49:37,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:49:37,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:49:37,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142409312] [2023-08-29 18:49:37,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:49:37,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:49:37,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:49:37,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:49:37,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:49:37,531 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 572 out of 1119 [2023-08-29 18:49:37,534 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 185 transitions, 378 flow. Second operand has 3 states, 3 states have (on average 575.3333333333334) internal successors, (1726), 3 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 18:49:37,537 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:49:37,537 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 572 of 1119 [2023-08-29 18:49:37,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:49:39,565 INFO L130 PetriNetUnfolder]: 9446/31225 cut-off events. [2023-08-29 18:49:39,565 INFO L131 PetriNetUnfolder]: For 159/229 co-relation queries the response was YES. [2023-08-29 18:49:39,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44009 conditions, 31225 events. 9446/31225 cut-off events. For 159/229 co-relation queries the response was YES. Maximal size of possible extension queue 846. Compared 379063 event pairs, 6917 based on Foata normal form. 0/25326 useless extension candidates. Maximal degree in co-relation 44005. Up to 12674 conditions per place. [2023-08-29 18:49:39,761 INFO L137 encePairwiseOnDemand]: 1114/1119 looper letters, 56 selfloop transitions, 1 changer transitions 0/181 dead transitions. [2023-08-29 18:49:39,762 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 181 transitions, 484 flow [2023-08-29 18:49:39,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:49:39,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:49:39,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1777 transitions. [2023-08-29 18:49:39,772 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5293416741137921 [2023-08-29 18:49:39,772 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1777 transitions. [2023-08-29 18:49:39,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1777 transitions. [2023-08-29 18:49:39,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:49:39,774 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1777 transitions. [2023-08-29 18:49:39,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 592.3333333333334) internal successors, (1777), 3 states have internal predecessors, (1777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:39,784 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:39,786 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:39,786 INFO L175 Difference]: Start difference. First operand has 181 places, 185 transitions, 378 flow. Second operand 3 states and 1777 transitions. [2023-08-29 18:49:39,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 181 transitions, 484 flow [2023-08-29 18:49:39,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 181 transitions, 483 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:49:39,790 INFO L231 Difference]: Finished difference. Result has 178 places, 181 transitions, 371 flow [2023-08-29 18:49:39,790 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=369, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=371, PETRI_PLACES=178, PETRI_TRANSITIONS=181} [2023-08-29 18:49:39,792 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -37 predicate places. [2023-08-29 18:49:39,792 INFO L495 AbstractCegarLoop]: Abstraction has has 178 places, 181 transitions, 371 flow [2023-08-29 18:49:39,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 575.3333333333334) internal successors, (1726), 3 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 18:49:39,793 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:49:39,793 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:49:39,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 18:49:39,794 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:49:39,794 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:49:39,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1281349300, now seen corresponding path program 1 times [2023-08-29 18:49:39,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:49:39,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997324712] [2023-08-29 18:49:39,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:49:39,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:49:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:49:39,865 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 18:49:39,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:49:39,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997324712] [2023-08-29 18:49:39,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997324712] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:49:39,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:49:39,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:49:39,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614487850] [2023-08-29 18:49:39,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:49:39,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:49:39,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:49:39,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:49:39,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:49:39,878 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 580 out of 1119 [2023-08-29 18:49:39,881 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 181 transitions, 371 flow. Second operand has 3 states, 3 states have (on average 583.0) internal successors, (1749), 3 states have internal predecessors, (1749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:39,881 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:49:39,881 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 580 of 1119 [2023-08-29 18:49:39,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:49:41,951 INFO L130 PetriNetUnfolder]: 8816/30030 cut-off events. [2023-08-29 18:49:41,951 INFO L131 PetriNetUnfolder]: For 140/140 co-relation queries the response was YES. [2023-08-29 18:49:42,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41958 conditions, 30030 events. 8816/30030 cut-off events. For 140/140 co-relation queries the response was YES. Maximal size of possible extension queue 745. Compared 364109 event pairs, 5793 based on Foata normal form. 0/24233 useless extension candidates. Maximal degree in co-relation 41954. Up to 10785 conditions per place. [2023-08-29 18:49:42,135 INFO L137 encePairwiseOnDemand]: 1116/1119 looper letters, 86 selfloop transitions, 2 changer transitions 0/214 dead transitions. [2023-08-29 18:49:42,135 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 214 transitions, 615 flow [2023-08-29 18:49:42,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:49:42,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:49:42,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1829 transitions. [2023-08-29 18:49:42,141 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5448316949657432 [2023-08-29 18:49:42,141 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1829 transitions. [2023-08-29 18:49:42,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1829 transitions. [2023-08-29 18:49:42,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:49:42,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1829 transitions. [2023-08-29 18:49:42,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 609.6666666666666) internal successors, (1829), 3 states have internal predecessors, (1829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:42,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:42,156 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:42,156 INFO L175 Difference]: Start difference. First operand has 178 places, 181 transitions, 371 flow. Second operand 3 states and 1829 transitions. [2023-08-29 18:49:42,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 214 transitions, 615 flow [2023-08-29 18:49:42,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 214 transitions, 614 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:49:42,161 INFO L231 Difference]: Finished difference. Result has 180 places, 182 transitions, 382 flow [2023-08-29 18:49:42,161 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=382, PETRI_PLACES=180, PETRI_TRANSITIONS=182} [2023-08-29 18:49:42,163 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -35 predicate places. [2023-08-29 18:49:42,163 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 182 transitions, 382 flow [2023-08-29 18:49:42,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 583.0) internal successors, (1749), 3 states have internal predecessors, (1749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:42,164 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:49:42,164 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:49:42,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 18:49:42,165 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:49:42,165 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:49:42,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1461399978, now seen corresponding path program 1 times [2023-08-29 18:49:42,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:49:42,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194954984] [2023-08-29 18:49:42,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:49:42,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:49:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:49:42,637 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 18:49:42,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:49:42,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194954984] [2023-08-29 18:49:42,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194954984] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:49:42,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:49:42,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:49:42,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534205187] [2023-08-29 18:49:42,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:49:42,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:49:42,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:49:42,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:49:42,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:49:43,226 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 567 out of 1119 [2023-08-29 18:49:43,229 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 182 transitions, 382 flow. Second operand has 6 states, 6 states have (on average 569.3333333333334) internal successors, (3416), 6 states have internal predecessors, (3416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:43,229 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:49:43,229 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 567 of 1119 [2023-08-29 18:49:43,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:49:46,854 INFO L130 PetriNetUnfolder]: 26784/50457 cut-off events. [2023-08-29 18:49:46,854 INFO L131 PetriNetUnfolder]: For 3917/3917 co-relation queries the response was YES. [2023-08-29 18:49:46,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89274 conditions, 50457 events. 26784/50457 cut-off events. For 3917/3917 co-relation queries the response was YES. Maximal size of possible extension queue 1403. Compared 480109 event pairs, 3055 based on Foata normal form. 0/41023 useless extension candidates. Maximal degree in co-relation 89269. Up to 12412 conditions per place. [2023-08-29 18:49:47,207 INFO L137 encePairwiseOnDemand]: 1114/1119 looper letters, 212 selfloop transitions, 4 changer transitions 0/337 dead transitions. [2023-08-29 18:49:47,207 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 337 transitions, 1164 flow [2023-08-29 18:49:47,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:49:47,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:49:47,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3614 transitions. [2023-08-29 18:49:47,215 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5382782246053024 [2023-08-29 18:49:47,215 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3614 transitions. [2023-08-29 18:49:47,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3614 transitions. [2023-08-29 18:49:47,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:49:47,217 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3614 transitions. [2023-08-29 18:49:47,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 602.3333333333334) internal successors, (3614), 6 states have internal predecessors, (3614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:47,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:47,234 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:47,234 INFO L175 Difference]: Start difference. First operand has 180 places, 182 transitions, 382 flow. Second operand 6 states and 3614 transitions. [2023-08-29 18:49:47,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 337 transitions, 1164 flow [2023-08-29 18:49:47,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 337 transitions, 1154 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:49:47,253 INFO L231 Difference]: Finished difference. Result has 183 places, 181 transitions, 386 flow [2023-08-29 18:49:47,254 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=386, PETRI_PLACES=183, PETRI_TRANSITIONS=181} [2023-08-29 18:49:47,254 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -32 predicate places. [2023-08-29 18:49:47,255 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 181 transitions, 386 flow [2023-08-29 18:49:47,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 569.3333333333334) internal successors, (3416), 6 states have internal predecessors, (3416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:47,256 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:49:47,256 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:49:47,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 18:49:47,257 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:49:47,257 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:49:47,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1436614589, now seen corresponding path program 1 times [2023-08-29 18:49:47,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:49:47,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109579161] [2023-08-29 18:49:47,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:49:47,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:49:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:49:47,286 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 18:49:47,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:49:47,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109579161] [2023-08-29 18:49:47,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109579161] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:49:47,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:49:47,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:49:47,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966511811] [2023-08-29 18:49:47,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:49:47,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:49:47,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:49:47,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:49:47,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:49:47,297 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 580 out of 1119 [2023-08-29 18:49:47,299 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 181 transitions, 386 flow. Second operand has 3 states, 3 states have (on average 583.6666666666666) internal successors, (1751), 3 states have internal predecessors, (1751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:47,299 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:49:47,299 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 580 of 1119 [2023-08-29 18:49:47,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:49:49,466 INFO L130 PetriNetUnfolder]: 9716/32980 cut-off events. [2023-08-29 18:49:49,467 INFO L131 PetriNetUnfolder]: For 2411/2469 co-relation queries the response was YES. [2023-08-29 18:49:49,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48845 conditions, 32980 events. 9716/32980 cut-off events. For 2411/2469 co-relation queries the response was YES. Maximal size of possible extension queue 766. Compared 403414 event pairs, 6413 based on Foata normal form. 0/27199 useless extension candidates. Maximal degree in co-relation 48840. Up to 11821 conditions per place. [2023-08-29 18:49:49,663 INFO L137 encePairwiseOnDemand]: 1116/1119 looper letters, 88 selfloop transitions, 2 changer transitions 0/215 dead transitions. [2023-08-29 18:49:49,663 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 215 transitions, 646 flow [2023-08-29 18:49:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:49:49,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:49:49,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1829 transitions. [2023-08-29 18:49:49,667 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5448316949657432 [2023-08-29 18:49:49,667 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1829 transitions. [2023-08-29 18:49:49,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1829 transitions. [2023-08-29 18:49:49,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:49:49,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1829 transitions. [2023-08-29 18:49:49,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 609.6666666666666) internal successors, (1829), 3 states have internal predecessors, (1829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:49,676 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:49,677 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:49,677 INFO L175 Difference]: Start difference. First operand has 183 places, 181 transitions, 386 flow. Second operand 3 states and 1829 transitions. [2023-08-29 18:49:49,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 215 transitions, 646 flow [2023-08-29 18:49:49,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 215 transitions, 637 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 18:49:49,694 INFO L231 Difference]: Finished difference. Result has 182 places, 182 transitions, 391 flow [2023-08-29 18:49:49,694 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=391, PETRI_PLACES=182, PETRI_TRANSITIONS=182} [2023-08-29 18:49:49,695 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -33 predicate places. [2023-08-29 18:49:49,695 INFO L495 AbstractCegarLoop]: Abstraction has has 182 places, 182 transitions, 391 flow [2023-08-29 18:49:49,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 583.6666666666666) internal successors, (1751), 3 states have internal predecessors, (1751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:49,696 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:49:49,696 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:49:49,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 18:49:49,696 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:49:49,697 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:49:49,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1261582514, now seen corresponding path program 1 times [2023-08-29 18:49:49,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:49:49,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528772323] [2023-08-29 18:49:49,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:49:49,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:49:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:49:49,725 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 18:49:49,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:49:49,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528772323] [2023-08-29 18:49:49,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528772323] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:49:49,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:49:49,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:49:49,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146256439] [2023-08-29 18:49:49,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:49:49,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:49:49,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:49:49,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:49:49,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:49:49,740 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 575 out of 1119 [2023-08-29 18:49:49,741 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 182 transitions, 391 flow. Second operand has 3 states, 3 states have (on average 578.6666666666666) internal successors, (1736), 3 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 18:49:49,742 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:49:49,742 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 575 of 1119 [2023-08-29 18:49:49,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:49:53,358 INFO L130 PetriNetUnfolder]: 17934/49267 cut-off events. [2023-08-29 18:49:53,358 INFO L131 PetriNetUnfolder]: For 4399/4473 co-relation queries the response was YES. [2023-08-29 18:49:53,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79289 conditions, 49267 events. 17934/49267 cut-off events. For 4399/4473 co-relation queries the response was YES. Maximal size of possible extension queue 1113. Compared 585769 event pairs, 4097 based on Foata normal form. 0/42297 useless extension candidates. Maximal degree in co-relation 79283. Up to 18226 conditions per place. [2023-08-29 18:49:53,612 INFO L137 encePairwiseOnDemand]: 1113/1119 looper letters, 100 selfloop transitions, 2 changer transitions 0/219 dead transitions. [2023-08-29 18:49:53,613 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 219 transitions, 691 flow [2023-08-29 18:49:53,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:49:53,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:49:53,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1827 transitions. [2023-08-29 18:49:53,617 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5442359249329759 [2023-08-29 18:49:53,617 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1827 transitions. [2023-08-29 18:49:53,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1827 transitions. [2023-08-29 18:49:53,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:49:53,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1827 transitions. [2023-08-29 18:49:53,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 609.0) internal successors, (1827), 3 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:53,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:53,626 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:53,627 INFO L175 Difference]: Start difference. First operand has 182 places, 182 transitions, 391 flow. Second operand 3 states and 1827 transitions. [2023-08-29 18:49:53,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 219 transitions, 691 flow [2023-08-29 18:49:53,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 219 transitions, 687 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:49:53,646 INFO L231 Difference]: Finished difference. Result has 180 places, 180 transitions, 399 flow [2023-08-29 18:49:53,646 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=399, PETRI_PLACES=180, PETRI_TRANSITIONS=180} [2023-08-29 18:49:53,647 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -35 predicate places. [2023-08-29 18:49:53,647 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 180 transitions, 399 flow [2023-08-29 18:49:53,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 578.6666666666666) internal successors, (1736), 3 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 18:49:53,648 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:49:53,648 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 18:49:53,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 18:49:53,648 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:49:53,649 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:49:53,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1896101596, now seen corresponding path program 1 times [2023-08-29 18:49:53,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:49:53,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728113475] [2023-08-29 18:49:53,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:49:53,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:49:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:49:53,678 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 18:49:53,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:49:53,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728113475] [2023-08-29 18:49:53,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728113475] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:49:53,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:49:53,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:49:53,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031872202] [2023-08-29 18:49:53,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:49:53,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:49:53,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:49:53,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:49:53,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:49:53,689 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 580 out of 1119 [2023-08-29 18:49:53,690 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 180 transitions, 399 flow. Second operand has 3 states, 3 states have (on average 584.3333333333334) internal successors, (1753), 3 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 18:49:53,691 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:49:53,691 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 580 of 1119 [2023-08-29 18:49:53,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:49:56,886 INFO L130 PetriNetUnfolder]: 15049/43185 cut-off events. [2023-08-29 18:49:56,886 INFO L131 PetriNetUnfolder]: For 6192/6259 co-relation queries the response was YES. [2023-08-29 18:49:56,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70038 conditions, 43185 events. 15049/43185 cut-off events. For 6192/6259 co-relation queries the response was YES. Maximal size of possible extension queue 1100. Compared 517153 event pairs, 10393 based on Foata normal form. 0/37724 useless extension candidates. Maximal degree in co-relation 70032. Up to 19055 conditions per place. [2023-08-29 18:49:57,106 INFO L137 encePairwiseOnDemand]: 1116/1119 looper letters, 89 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2023-08-29 18:49:57,106 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 212 transitions, 677 flow [2023-08-29 18:49:57,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:49:57,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:49:57,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1824 transitions. [2023-08-29 18:49:57,110 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5433422698838248 [2023-08-29 18:49:57,110 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1824 transitions. [2023-08-29 18:49:57,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1824 transitions. [2023-08-29 18:49:57,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:49:57,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1824 transitions. [2023-08-29 18:49:57,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 608.0) internal successors, (1824), 3 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:57,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:57,118 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:57,118 INFO L175 Difference]: Start difference. First operand has 180 places, 180 transitions, 399 flow. Second operand 3 states and 1824 transitions. [2023-08-29 18:49:57,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 212 transitions, 677 flow [2023-08-29 18:49:57,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 212 transitions, 677 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:49:57,131 INFO L231 Difference]: Finished difference. Result has 183 places, 181 transitions, 411 flow [2023-08-29 18:49:57,131 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=411, PETRI_PLACES=183, PETRI_TRANSITIONS=181} [2023-08-29 18:49:57,132 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -32 predicate places. [2023-08-29 18:49:57,132 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 181 transitions, 411 flow [2023-08-29 18:49:57,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 584.3333333333334) internal successors, (1753), 3 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 18:49:57,133 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:49:57,133 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 18:49:57,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 18:49:57,133 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:49:57,134 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:49:57,134 INFO L85 PathProgramCache]: Analyzing trace with hash 956994470, now seen corresponding path program 1 times [2023-08-29 18:49:57,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:49:57,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959636993] [2023-08-29 18:49:57,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:49:57,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:49:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:49:57,163 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 18:49:57,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:49:57,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959636993] [2023-08-29 18:49:57,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959636993] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:49:57,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:49:57,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:49:57,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423180616] [2023-08-29 18:49:57,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:49:57,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:49:57,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:49:57,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:49:57,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:49:57,178 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 575 out of 1119 [2023-08-29 18:49:57,180 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 181 transitions, 411 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:49:57,180 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:49:57,180 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 575 of 1119 [2023-08-29 18:49:57,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:01,382 INFO L130 PetriNetUnfolder]: 26375/57990 cut-off events. [2023-08-29 18:50:01,382 INFO L131 PetriNetUnfolder]: For 12813/12881 co-relation queries the response was YES. [2023-08-29 18:50:01,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107692 conditions, 57990 events. 26375/57990 cut-off events. For 12813/12881 co-relation queries the response was YES. Maximal size of possible extension queue 1601. Compared 626737 event pairs, 6487 based on Foata normal form. 5/52988 useless extension candidates. Maximal degree in co-relation 107684. Up to 27139 conditions per place. [2023-08-29 18:50:01,742 INFO L137 encePairwiseOnDemand]: 1113/1119 looper letters, 105 selfloop transitions, 2 changer transitions 0/218 dead transitions. [2023-08-29 18:50:01,742 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 218 transitions, 743 flow [2023-08-29 18:50:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:50:01,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:50:01,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1826 transitions. [2023-08-29 18:50:01,746 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5439380399165922 [2023-08-29 18:50:01,747 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1826 transitions. [2023-08-29 18:50:01,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1826 transitions. [2023-08-29 18:50:01,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:01,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1826 transitions. [2023-08-29 18:50:01,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 608.6666666666666) internal successors, (1826), 3 states have internal predecessors, (1826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:01,753 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:01,754 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:01,754 INFO L175 Difference]: Start difference. First operand has 183 places, 181 transitions, 411 flow. Second operand 3 states and 1826 transitions. [2023-08-29 18:50:01,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 218 transitions, 743 flow [2023-08-29 18:50:01,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 218 transitions, 739 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:50:01,815 INFO L231 Difference]: Finished difference. Result has 181 places, 179 transitions, 417 flow [2023-08-29 18:50:01,816 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=401, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=417, PETRI_PLACES=181, PETRI_TRANSITIONS=179} [2023-08-29 18:50:01,816 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -34 predicate places. [2023-08-29 18:50:01,816 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 179 transitions, 417 flow [2023-08-29 18:50:01,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:01,817 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:01,817 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] [2023-08-29 18:50:01,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 18:50:01,817 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:50:01,817 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:01,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1672118410, now seen corresponding path program 1 times [2023-08-29 18:50:01,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:01,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854131289] [2023-08-29 18:50:01,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:01,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:01,915 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 18:50:01,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:01,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854131289] [2023-08-29 18:50:01,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854131289] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:01,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:01,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 18:50:01,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235269197] [2023-08-29 18:50:01,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:01,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 18:50:01,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:01,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 18:50:01,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-29 18:50:02,084 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 572 out of 1119 [2023-08-29 18:50:02,086 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 179 transitions, 417 flow. Second operand has 5 states, 5 states have (on average 574.0) internal successors, (2870), 5 states have internal predecessors, (2870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:02,086 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:02,087 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 572 of 1119 [2023-08-29 18:50:02,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:07,807 INFO L130 PetriNetUnfolder]: 31635/75444 cut-off events. [2023-08-29 18:50:07,807 INFO L131 PetriNetUnfolder]: For 16841/17023 co-relation queries the response was YES. [2023-08-29 18:50:08,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137586 conditions, 75444 events. 31635/75444 cut-off events. For 16841/17023 co-relation queries the response was YES. Maximal size of possible extension queue 1979. Compared 897471 event pairs, 16262 based on Foata normal form. 672/69513 useless extension candidates. Maximal degree in co-relation 137578. Up to 28742 conditions per place. [2023-08-29 18:50:08,376 INFO L137 encePairwiseOnDemand]: 1114/1119 looper letters, 144 selfloop transitions, 4 changer transitions 0/266 dead transitions. [2023-08-29 18:50:08,377 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 266 transitions, 960 flow [2023-08-29 18:50:08,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 18:50:08,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 18:50:08,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2995 transitions. [2023-08-29 18:50:08,383 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5352993744414656 [2023-08-29 18:50:08,383 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2995 transitions. [2023-08-29 18:50:08,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2995 transitions. [2023-08-29 18:50:08,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:08,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2995 transitions. [2023-08-29 18:50:08,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 599.0) internal successors, (2995), 5 states have internal predecessors, (2995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:08,395 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1119.0) internal successors, (6714), 6 states have internal predecessors, (6714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:08,397 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1119.0) internal successors, (6714), 6 states have internal predecessors, (6714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:08,397 INFO L175 Difference]: Start difference. First operand has 181 places, 179 transitions, 417 flow. Second operand 5 states and 2995 transitions. [2023-08-29 18:50:08,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 266 transitions, 960 flow [2023-08-29 18:50:08,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 266 transitions, 960 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:50:08,721 INFO L231 Difference]: Finished difference. Result has 188 places, 182 transitions, 446 flow [2023-08-29 18:50:08,721 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=417, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=446, PETRI_PLACES=188, PETRI_TRANSITIONS=182} [2023-08-29 18:50:08,721 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -27 predicate places. [2023-08-29 18:50:08,721 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 182 transitions, 446 flow [2023-08-29 18:50:08,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 574.0) internal successors, (2870), 5 states have internal predecessors, (2870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:08,722 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:08,722 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 18:50:08,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 18:50:08,722 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:50:08,722 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:08,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1118685393, now seen corresponding path program 1 times [2023-08-29 18:50:08,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:08,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722299066] [2023-08-29 18:50:08,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:08,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:08,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 18:50:08,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:08,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722299066] [2023-08-29 18:50:08,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722299066] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:08,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:08,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 18:50:08,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164813154] [2023-08-29 18:50:08,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:08,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:50:08,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:08,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:50:08,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:50:09,353 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 1119 [2023-08-29 18:50:09,355 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 182 transitions, 446 flow. Second operand has 6 states, 6 states have (on average 565.8333333333334) internal successors, (3395), 6 states have internal predecessors, (3395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:09,355 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:09,355 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 1119 [2023-08-29 18:50:09,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:23,746 INFO L130 PetriNetUnfolder]: 81198/181420 cut-off events. [2023-08-29 18:50:23,746 INFO L131 PetriNetUnfolder]: For 56026/56256 co-relation queries the response was YES. [2023-08-29 18:50:24,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 350021 conditions, 181420 events. 81198/181420 cut-off events. For 56026/56256 co-relation queries the response was YES. Maximal size of possible extension queue 4774. Compared 2328317 event pairs, 27935 based on Foata normal form. 1336/168873 useless extension candidates. Maximal degree in co-relation 350009. Up to 42943 conditions per place. [2023-08-29 18:50:25,282 INFO L137 encePairwiseOnDemand]: 1110/1119 looper letters, 295 selfloop transitions, 17 changer transitions 0/430 dead transitions. [2023-08-29 18:50:25,282 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 430 transitions, 1793 flow [2023-08-29 18:50:25,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 18:50:25,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 18:50:25,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 5353 transitions. [2023-08-29 18:50:25,289 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5315261642339391 [2023-08-29 18:50:25,289 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 5353 transitions. [2023-08-29 18:50:25,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 5353 transitions. [2023-08-29 18:50:25,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:25,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 5353 transitions. [2023-08-29 18:50:25,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 594.7777777777778) internal successors, (5353), 9 states have internal predecessors, (5353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:25,308 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 1119.0) internal successors, (11190), 10 states have internal predecessors, (11190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:25,309 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 1119.0) internal successors, (11190), 10 states have internal predecessors, (11190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:25,309 INFO L175 Difference]: Start difference. First operand has 188 places, 182 transitions, 446 flow. Second operand 9 states and 5353 transitions. [2023-08-29 18:50:25,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 430 transitions, 1793 flow [2023-08-29 18:50:29,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 430 transitions, 1789 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-29 18:50:29,349 INFO L231 Difference]: Finished difference. Result has 199 places, 197 transitions, 573 flow [2023-08-29 18:50:29,349 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=573, PETRI_PLACES=199, PETRI_TRANSITIONS=197} [2023-08-29 18:50:29,350 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -16 predicate places. [2023-08-29 18:50:29,350 INFO L495 AbstractCegarLoop]: Abstraction has has 199 places, 197 transitions, 573 flow [2023-08-29 18:50:29,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 565.8333333333334) internal successors, (3395), 6 states have internal predecessors, (3395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:29,351 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:29,351 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 18:50:29,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 18:50:29,351 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:50:29,352 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:29,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1960183609, now seen corresponding path program 1 times [2023-08-29 18:50:29,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:29,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264980962] [2023-08-29 18:50:29,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:29,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:29,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 18:50:29,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:29,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264980962] [2023-08-29 18:50:29,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264980962] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:29,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:29,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:50:29,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050585568] [2023-08-29 18:50:29,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:29,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:50:29,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:29,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:50:29,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:50:30,325 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 560 out of 1119 [2023-08-29 18:50:30,328 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 197 transitions, 573 flow. Second operand has 6 states, 6 states have (on average 562.8333333333334) internal successors, (3377), 6 states have internal predecessors, (3377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:30,328 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:30,328 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 560 of 1119 [2023-08-29 18:50:30,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:49,406 INFO L130 PetriNetUnfolder]: 93109/224078 cut-off events. [2023-08-29 18:50:49,406 INFO L131 PetriNetUnfolder]: For 103849/104257 co-relation queries the response was YES. [2023-08-29 18:50:50,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 437272 conditions, 224078 events. 93109/224078 cut-off events. For 103849/104257 co-relation queries the response was YES. Maximal size of possible extension queue 5390. Compared 3072841 event pairs, 62072 based on Foata normal form. 0/206639 useless extension candidates. Maximal degree in co-relation 437256. Up to 107340 conditions per place. [2023-08-29 18:50:51,404 INFO L137 encePairwiseOnDemand]: 1112/1119 looper letters, 228 selfloop transitions, 5 changer transitions 0/339 dead transitions. [2023-08-29 18:50:51,405 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 339 transitions, 1433 flow [2023-08-29 18:50:51,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:50:51,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:50:51,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3559 transitions. [2023-08-29 18:50:51,410 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5300863866547513 [2023-08-29 18:50:51,410 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3559 transitions. [2023-08-29 18:50:51,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3559 transitions. [2023-08-29 18:50:51,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:51,411 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3559 transitions. [2023-08-29 18:50:51,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 593.1666666666666) internal successors, (3559), 6 states have internal predecessors, (3559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:51,420 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:51,421 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:51,421 INFO L175 Difference]: Start difference. First operand has 199 places, 197 transitions, 573 flow. Second operand 6 states and 3559 transitions. [2023-08-29 18:50:51,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 339 transitions, 1433 flow [2023-08-29 18:50:51,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 339 transitions, 1431 flow, removed 1 selfloop flow, removed 0 redundant places. [2023-08-29 18:50:51,842 INFO L231 Difference]: Finished difference. Result has 202 places, 195 transitions, 577 flow [2023-08-29 18:50:51,842 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=567, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=577, PETRI_PLACES=202, PETRI_TRANSITIONS=195} [2023-08-29 18:50:51,843 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -13 predicate places. [2023-08-29 18:50:51,843 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 195 transitions, 577 flow [2023-08-29 18:50:51,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 562.8333333333334) internal successors, (3377), 6 states have internal predecessors, (3377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:51,844 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:51,844 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 18:50:51,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 18:50:51,844 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:50:51,844 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:51,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1577577615, now seen corresponding path program 1 times [2023-08-29 18:50:51,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:51,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529788844] [2023-08-29 18:50:51,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:51,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:51,952 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 18:50:51,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:51,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529788844] [2023-08-29 18:50:51,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529788844] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:51,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:51,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 18:50:51,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391169689] [2023-08-29 18:50:51,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:51,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 18:50:51,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:51,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 18:50:51,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-29 18:50:52,119 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 572 out of 1119 [2023-08-29 18:50:52,121 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 195 transitions, 577 flow. Second operand has 5 states, 5 states have (on average 574.4) internal successors, (2872), 5 states have internal predecessors, (2872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:52,121 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:52,121 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 572 of 1119 [2023-08-29 18:50:52,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:51:04,997 INFO L130 PetriNetUnfolder]: 60588/153050 cut-off events. [2023-08-29 18:51:04,997 INFO L131 PetriNetUnfolder]: For 73058/73398 co-relation queries the response was YES. [2023-08-29 18:51:05,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296963 conditions, 153050 events. 60588/153050 cut-off events. For 73058/73398 co-relation queries the response was YES. Maximal size of possible extension queue 3520. Compared 2036635 event pairs, 43343 based on Foata normal form. 798/142116 useless extension candidates. Maximal degree in co-relation 296946. Up to 70541 conditions per place. [2023-08-29 18:51:06,293 INFO L137 encePairwiseOnDemand]: 1114/1119 looper letters, 154 selfloop transitions, 4 changer transitions 0/274 dead transitions. [2023-08-29 18:51:06,293 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 274 transitions, 1183 flow [2023-08-29 18:51:06,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 18:51:06,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 18:51:06,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2981 transitions. [2023-08-29 18:51:06,298 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5327971403038427 [2023-08-29 18:51:06,298 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2981 transitions. [2023-08-29 18:51:06,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2981 transitions. [2023-08-29 18:51:06,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:51:06,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2981 transitions. [2023-08-29 18:51:06,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 596.2) internal successors, (2981), 5 states have internal predecessors, (2981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:06,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1119.0) internal successors, (6714), 6 states have internal predecessors, (6714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:06,306 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1119.0) internal successors, (6714), 6 states have internal predecessors, (6714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:06,306 INFO L175 Difference]: Start difference. First operand has 202 places, 195 transitions, 577 flow. Second operand 5 states and 2981 transitions. [2023-08-29 18:51:06,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 274 transitions, 1183 flow [2023-08-29 18:51:06,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 274 transitions, 1173 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 18:51:06,594 INFO L231 Difference]: Finished difference. Result has 203 places, 196 transitions, 584 flow [2023-08-29 18:51:06,594 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=567, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=584, PETRI_PLACES=203, PETRI_TRANSITIONS=196} [2023-08-29 18:51:06,594 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -12 predicate places. [2023-08-29 18:51:06,595 INFO L495 AbstractCegarLoop]: Abstraction has has 203 places, 196 transitions, 584 flow [2023-08-29 18:51:06,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 574.4) internal successors, (2872), 5 states have internal predecessors, (2872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:06,595 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:06,595 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] [2023-08-29 18:51:06,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 18:51:06,596 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:51:06,596 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:06,596 INFO L85 PathProgramCache]: Analyzing trace with hash 850762248, now seen corresponding path program 1 times [2023-08-29 18:51:06,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:06,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158714052] [2023-08-29 18:51:06,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:06,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 18:51:06,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:06,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158714052] [2023-08-29 18:51:06,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158714052] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:06,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:06,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 18:51:06,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603052014] [2023-08-29 18:51:06,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:06,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:51:06,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:06,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:51:06,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:51:06,983 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 1119 [2023-08-29 18:51:06,985 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 196 transitions, 584 flow. Second operand has 6 states, 6 states have (on average 566.1666666666666) internal successors, (3397), 6 states have internal predecessors, (3397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:06,985 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:06,985 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 1119 [2023-08-29 18:51:06,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:51:21,358 INFO L130 PetriNetUnfolder]: 66812/155835 cut-off events. [2023-08-29 18:51:21,358 INFO L131 PetriNetUnfolder]: For 87612/88074 co-relation queries the response was YES. [2023-08-29 18:51:22,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 319178 conditions, 155835 events. 66812/155835 cut-off events. For 87612/88074 co-relation queries the response was YES. Maximal size of possible extension queue 3630. Compared 1984438 event pairs, 38643 based on Foata normal form. 1048/145429 useless extension candidates. Maximal degree in co-relation 319159. Up to 57179 conditions per place. [2023-08-29 18:51:22,924 INFO L137 encePairwiseOnDemand]: 1111/1119 looper letters, 207 selfloop transitions, 11 changer transitions 0/334 dead transitions. [2023-08-29 18:51:22,924 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 334 transitions, 1555 flow [2023-08-29 18:51:22,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:51:22,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:51:22,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3549 transitions. [2023-08-29 18:51:22,928 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5285969615728329 [2023-08-29 18:51:22,928 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3549 transitions. [2023-08-29 18:51:22,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3549 transitions. [2023-08-29 18:51:22,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:51:22,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3549 transitions. [2023-08-29 18:51:22,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 591.5) internal successors, (3549), 6 states have internal predecessors, (3549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:22,935 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:22,935 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:22,935 INFO L175 Difference]: Start difference. First operand has 203 places, 196 transitions, 584 flow. Second operand 6 states and 3549 transitions. [2023-08-29 18:51:22,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 334 transitions, 1555 flow [2023-08-29 18:51:23,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 334 transitions, 1542 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-08-29 18:51:23,552 INFO L231 Difference]: Finished difference. Result has 210 places, 204 transitions, 667 flow [2023-08-29 18:51:23,553 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=577, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=667, PETRI_PLACES=210, PETRI_TRANSITIONS=204} [2023-08-29 18:51:23,553 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, -5 predicate places. [2023-08-29 18:51:23,553 INFO L495 AbstractCegarLoop]: Abstraction has has 210 places, 204 transitions, 667 flow [2023-08-29 18:51:23,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 566.1666666666666) internal successors, (3397), 6 states have internal predecessors, (3397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:23,554 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:23,554 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] [2023-08-29 18:51:23,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 18:51:23,554 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:51:23,554 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:23,554 INFO L85 PathProgramCache]: Analyzing trace with hash 902904208, now seen corresponding path program 1 times [2023-08-29 18:51:23,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:23,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074984711] [2023-08-29 18:51:23,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:23,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:23,663 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 18:51:23,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:23,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074984711] [2023-08-29 18:51:23,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074984711] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:23,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:23,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 18:51:23,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180394426] [2023-08-29 18:51:23,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:23,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:51:23,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:23,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:51:23,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:51:23,885 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 1119 [2023-08-29 18:51:23,887 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 204 transitions, 667 flow. Second operand has 6 states, 6 states have (on average 566.6666666666666) internal successors, (3400), 6 states have internal predecessors, (3400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:23,887 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:23,887 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 1119 [2023-08-29 18:51:23,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:51:33,839 INFO L130 PetriNetUnfolder]: 47271/112455 cut-off events. [2023-08-29 18:51:33,839 INFO L131 PetriNetUnfolder]: For 94228/94694 co-relation queries the response was YES. [2023-08-29 18:51:34,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 244251 conditions, 112455 events. 47271/112455 cut-off events. For 94228/94694 co-relation queries the response was YES. Maximal size of possible extension queue 2577. Compared 1379447 event pairs, 29177 based on Foata normal form. 526/104980 useless extension candidates. Maximal degree in co-relation 244228. Up to 50207 conditions per place. [2023-08-29 18:51:34,908 INFO L137 encePairwiseOnDemand]: 1110/1119 looper letters, 267 selfloop transitions, 15 changer transitions 0/398 dead transitions. [2023-08-29 18:51:34,908 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 398 transitions, 2132 flow [2023-08-29 18:51:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 18:51:34,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 18:51:34,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 5868 transitions. [2023-08-29 18:51:34,918 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.524396782841823 [2023-08-29 18:51:34,918 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 5868 transitions. [2023-08-29 18:51:34,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 5868 transitions. [2023-08-29 18:51:34,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:51:34,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 5868 transitions. [2023-08-29 18:51:34,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 586.8) internal successors, (5868), 10 states have internal predecessors, (5868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:34,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 1119.0) internal successors, (12309), 11 states have internal predecessors, (12309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:34,931 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 1119.0) internal successors, (12309), 11 states have internal predecessors, (12309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:34,931 INFO L175 Difference]: Start difference. First operand has 210 places, 204 transitions, 667 flow. Second operand 10 states and 5868 transitions. [2023-08-29 18:51:34,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 398 transitions, 2132 flow [2023-08-29 18:51:35,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 398 transitions, 2124 flow, removed 2 selfloop flow, removed 1 redundant places. [2023-08-29 18:51:35,480 INFO L231 Difference]: Finished difference. Result has 220 places, 212 transitions, 727 flow [2023-08-29 18:51:35,480 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=659, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=727, PETRI_PLACES=220, PETRI_TRANSITIONS=212} [2023-08-29 18:51:35,480 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, 5 predicate places. [2023-08-29 18:51:35,481 INFO L495 AbstractCegarLoop]: Abstraction has has 220 places, 212 transitions, 727 flow [2023-08-29 18:51:35,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 566.6666666666666) internal successors, (3400), 6 states have internal predecessors, (3400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:35,481 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:35,481 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 18:51:35,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 18:51:35,482 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:51:35,482 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:35,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1323929332, now seen corresponding path program 1 times [2023-08-29 18:51:35,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:35,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410202293] [2023-08-29 18:51:35,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:35,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:35,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 18:51:35,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:35,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410202293] [2023-08-29 18:51:35,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410202293] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:35,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:35,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:51:35,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695445094] [2023-08-29 18:51:35,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:35,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:51:35,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:35,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:51:35,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:51:36,424 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 560 out of 1119 [2023-08-29 18:51:36,426 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 212 transitions, 727 flow. Second operand has 6 states, 6 states have (on average 563.1666666666666) internal successors, (3379), 6 states have internal predecessors, (3379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:36,426 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:36,426 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 560 of 1119 [2023-08-29 18:51:36,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:51:49,250 INFO L130 PetriNetUnfolder]: 65513/136913 cut-off events. [2023-08-29 18:51:49,250 INFO L131 PetriNetUnfolder]: For 130401/130966 co-relation queries the response was YES. [2023-08-29 18:51:50,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 318652 conditions, 136913 events. 65513/136913 cut-off events. For 130401/130966 co-relation queries the response was YES. Maximal size of possible extension queue 2983. Compared 1578292 event pairs, 34305 based on Foata normal form. 34/128009 useless extension candidates. Maximal degree in co-relation 318627. Up to 59951 conditions per place. [2023-08-29 18:51:50,686 INFO L137 encePairwiseOnDemand]: 1112/1119 looper letters, 279 selfloop transitions, 5 changer transitions 0/388 dead transitions. [2023-08-29 18:51:50,686 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 388 transitions, 2016 flow [2023-08-29 18:51:50,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:51:50,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:51:50,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3557 transitions. [2023-08-29 18:51:50,690 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5297885016383675 [2023-08-29 18:51:50,690 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3557 transitions. [2023-08-29 18:51:50,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3557 transitions. [2023-08-29 18:51:50,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:51:50,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3557 transitions. [2023-08-29 18:51:50,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 592.8333333333334) internal successors, (3557), 6 states have internal predecessors, (3557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:50,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:50,699 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:50,699 INFO L175 Difference]: Start difference. First operand has 220 places, 212 transitions, 727 flow. Second operand 6 states and 3557 transitions. [2023-08-29 18:51:50,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 388 transitions, 2016 flow [2023-08-29 18:51:51,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 388 transitions, 2012 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:51:51,540 INFO L231 Difference]: Finished difference. Result has 222 places, 210 transitions, 729 flow [2023-08-29 18:51:51,540 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=719, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=729, PETRI_PLACES=222, PETRI_TRANSITIONS=210} [2023-08-29 18:51:51,540 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, 7 predicate places. [2023-08-29 18:51:51,540 INFO L495 AbstractCegarLoop]: Abstraction has has 222 places, 210 transitions, 729 flow [2023-08-29 18:51:51,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 563.1666666666666) internal successors, (3379), 6 states have internal predecessors, (3379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:51,541 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:51,541 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 18:51:51,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 18:51:51,542 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:51:51,542 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:51,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1796195252, now seen corresponding path program 1 times [2023-08-29 18:51:51,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:51,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32905528] [2023-08-29 18:51:51,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:51,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:51,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 18:51:51,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:51,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32905528] [2023-08-29 18:51:51,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32905528] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:51,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:51,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 18:51:51,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921381370] [2023-08-29 18:51:51,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:51,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:51:51,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:51,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:51:51,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:51:52,159 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 1119 [2023-08-29 18:51:52,161 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 210 transitions, 729 flow. Second operand has 6 states, 6 states have (on average 566.8333333333334) internal successors, (3401), 6 states have internal predecessors, (3401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:52,161 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:52,161 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 1119 [2023-08-29 18:51:52,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:00,660 INFO L130 PetriNetUnfolder]: 39586/92239 cut-off events. [2023-08-29 18:52:00,661 INFO L131 PetriNetUnfolder]: For 88660/89243 co-relation queries the response was YES. [2023-08-29 18:52:01,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 212002 conditions, 92239 events. 39586/92239 cut-off events. For 88660/89243 co-relation queries the response was YES. Maximal size of possible extension queue 2052. Compared 1084849 event pairs, 25202 based on Foata normal form. 374/87301 useless extension candidates. Maximal degree in co-relation 211976. Up to 41721 conditions per place. [2023-08-29 18:52:01,561 INFO L137 encePairwiseOnDemand]: 1111/1119 looper letters, 183 selfloop transitions, 13 changer transitions 0/310 dead transitions. [2023-08-29 18:52:01,561 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 310 transitions, 1609 flow [2023-08-29 18:52:01,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:52:01,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:52:01,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3520 transitions. [2023-08-29 18:52:01,566 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5242776288352696 [2023-08-29 18:52:01,566 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3520 transitions. [2023-08-29 18:52:01,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3520 transitions. [2023-08-29 18:52:01,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:01,570 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3520 transitions. [2023-08-29 18:52:01,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 586.6666666666666) internal successors, (3520), 6 states have internal predecessors, (3520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:01,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:01,579 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:01,579 INFO L175 Difference]: Start difference. First operand has 222 places, 210 transitions, 729 flow. Second operand 6 states and 3520 transitions. [2023-08-29 18:52:01,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 310 transitions, 1609 flow [2023-08-29 18:52:02,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 310 transitions, 1599 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 18:52:02,373 INFO L231 Difference]: Finished difference. Result has 225 places, 215 transitions, 798 flow [2023-08-29 18:52:02,373 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=719, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=798, PETRI_PLACES=225, PETRI_TRANSITIONS=215} [2023-08-29 18:52:02,374 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, 10 predicate places. [2023-08-29 18:52:02,374 INFO L495 AbstractCegarLoop]: Abstraction has has 225 places, 215 transitions, 798 flow [2023-08-29 18:52:02,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 566.8333333333334) internal successors, (3401), 6 states have internal predecessors, (3401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:02,374 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:02,374 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, 1] [2023-08-29 18:52:02,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 18:52:02,374 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:52:02,375 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:02,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1941859054, now seen corresponding path program 1 times [2023-08-29 18:52:02,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:02,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583666462] [2023-08-29 18:52:02,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:02,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:02,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 18:52:02,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:02,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583666462] [2023-08-29 18:52:02,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583666462] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:02,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:52:02,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:52:02,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665672727] [2023-08-29 18:52:02,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:02,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:52:02,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:02,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:52:02,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:52:03,254 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 560 out of 1119 [2023-08-29 18:52:03,256 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 215 transitions, 798 flow. Second operand has 6 states, 6 states have (on average 563.6666666666666) internal successors, (3382), 6 states have internal predecessors, (3382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:03,256 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:03,256 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 560 of 1119 [2023-08-29 18:52:03,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:12,901 INFO L130 PetriNetUnfolder]: 48078/101112 cut-off events. [2023-08-29 18:52:12,902 INFO L131 PetriNetUnfolder]: For 117952/118473 co-relation queries the response was YES. [2023-08-29 18:52:13,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 247965 conditions, 101112 events. 48078/101112 cut-off events. For 117952/118473 co-relation queries the response was YES. Maximal size of possible extension queue 2382. Compared 1132473 event pairs, 25025 based on Foata normal form. 40/95487 useless extension candidates. Maximal degree in co-relation 247936. Up to 44017 conditions per place. [2023-08-29 18:52:14,250 INFO L137 encePairwiseOnDemand]: 1112/1119 looper letters, 236 selfloop transitions, 5 changer transitions 0/345 dead transitions. [2023-08-29 18:52:14,250 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 345 transitions, 1868 flow [2023-08-29 18:52:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:52:14,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:52:14,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3533 transitions. [2023-08-29 18:52:14,255 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5262138814417635 [2023-08-29 18:52:14,255 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3533 transitions. [2023-08-29 18:52:14,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3533 transitions. [2023-08-29 18:52:14,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:14,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3533 transitions. [2023-08-29 18:52:14,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 588.8333333333334) internal successors, (3533), 6 states have internal predecessors, (3533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:14,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:14,264 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:14,265 INFO L175 Difference]: Start difference. First operand has 225 places, 215 transitions, 798 flow. Second operand 6 states and 3533 transitions. [2023-08-29 18:52:14,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 345 transitions, 1868 flow [2023-08-29 18:52:15,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 345 transitions, 1859 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:52:15,207 INFO L231 Difference]: Finished difference. Result has 226 places, 213 transitions, 795 flow [2023-08-29 18:52:15,208 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=785, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=795, PETRI_PLACES=226, PETRI_TRANSITIONS=213} [2023-08-29 18:52:15,208 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, 11 predicate places. [2023-08-29 18:52:15,208 INFO L495 AbstractCegarLoop]: Abstraction has has 226 places, 213 transitions, 795 flow [2023-08-29 18:52:15,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 563.6666666666666) internal successors, (3382), 6 states have internal predecessors, (3382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:15,209 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:15,209 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, 1, 1] [2023-08-29 18:52:15,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-29 18:52:15,210 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:52:15,210 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:15,210 INFO L85 PathProgramCache]: Analyzing trace with hash 985817878, now seen corresponding path program 1 times [2023-08-29 18:52:15,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:15,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835458175] [2023-08-29 18:52:15,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:15,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:15,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 18:52:15,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:15,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835458175] [2023-08-29 18:52:15,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835458175] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:15,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:52:15,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:52:15,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669990200] [2023-08-29 18:52:15,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:15,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:52:15,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:15,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:52:15,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:52:15,273 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 575 out of 1119 [2023-08-29 18:52:15,275 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 213 transitions, 795 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:15,275 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:15,275 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 575 of 1119 [2023-08-29 18:52:15,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:26,421 INFO L130 PetriNetUnfolder]: 56613/118715 cut-off events. [2023-08-29 18:52:26,421 INFO L131 PetriNetUnfolder]: For 132201/132722 co-relation queries the response was YES. [2023-08-29 18:52:27,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290930 conditions, 118715 events. 56613/118715 cut-off events. For 132201/132722 co-relation queries the response was YES. Maximal size of possible extension queue 2779. Compared 1348922 event pairs, 20547 based on Foata normal form. 40/114254 useless extension candidates. Maximal degree in co-relation 290901. Up to 47254 conditions per place. [2023-08-29 18:52:27,957 INFO L137 encePairwiseOnDemand]: 1113/1119 looper letters, 159 selfloop transitions, 2 changer transitions 0/262 dead transitions. [2023-08-29 18:52:27,957 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 262 transitions, 1378 flow [2023-08-29 18:52:27,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:52:27,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:52:27,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1827 transitions. [2023-08-29 18:52:27,959 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5442359249329759 [2023-08-29 18:52:27,960 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1827 transitions. [2023-08-29 18:52:27,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1827 transitions. [2023-08-29 18:52:27,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:27,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1827 transitions. [2023-08-29 18:52:27,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 609.0) internal successors, (1827), 3 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:27,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:27,965 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1119.0) internal successors, (4476), 4 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:27,965 INFO L175 Difference]: Start difference. First operand has 226 places, 213 transitions, 795 flow. Second operand 3 states and 1827 transitions. [2023-08-29 18:52:27,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 262 transitions, 1378 flow [2023-08-29 18:52:29,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 262 transitions, 1366 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 18:52:29,103 INFO L231 Difference]: Finished difference. Result has 220 places, 211 transitions, 791 flow [2023-08-29 18:52:29,103 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=791, PETRI_PLACES=220, PETRI_TRANSITIONS=211} [2023-08-29 18:52:29,104 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, 5 predicate places. [2023-08-29 18:52:29,104 INFO L495 AbstractCegarLoop]: Abstraction has has 220 places, 211 transitions, 791 flow [2023-08-29 18:52:29,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:29,104 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:29,104 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, 1, 1] [2023-08-29 18:52:29,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-29 18:52:29,105 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:52:29,105 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:29,105 INFO L85 PathProgramCache]: Analyzing trace with hash -458240615, now seen corresponding path program 1 times [2023-08-29 18:52:29,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:29,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822823118] [2023-08-29 18:52:29,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:29,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:29,372 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 18:52:29,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:29,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822823118] [2023-08-29 18:52:29,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822823118] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:29,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:52:29,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:52:29,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179050232] [2023-08-29 18:52:29,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:29,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:52:29,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:29,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:52:29,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:52:29,850 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 567 out of 1119 [2023-08-29 18:52:29,852 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 211 transitions, 791 flow. Second operand has 6 states, 6 states have (on average 570.3333333333334) internal successors, (3422), 6 states have internal predecessors, (3422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:29,852 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:29,852 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 567 of 1119 [2023-08-29 18:52:29,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:41,344 INFO L130 PetriNetUnfolder]: 53309/116714 cut-off events. [2023-08-29 18:52:41,344 INFO L131 PetriNetUnfolder]: For 137275/137796 co-relation queries the response was YES. [2023-08-29 18:52:42,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 284910 conditions, 116714 events. 53309/116714 cut-off events. For 137275/137796 co-relation queries the response was YES. Maximal size of possible extension queue 2683. Compared 1368110 event pairs, 33523 based on Foata normal form. 40/112524 useless extension candidates. Maximal degree in co-relation 284881. Up to 58705 conditions per place. [2023-08-29 18:52:42,912 INFO L137 encePairwiseOnDemand]: 1114/1119 looper letters, 305 selfloop transitions, 4 changer transitions 0/414 dead transitions. [2023-08-29 18:52:42,913 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 414 transitions, 2575 flow [2023-08-29 18:52:42,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:52:42,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:52:42,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3570 transitions. [2023-08-29 18:52:42,920 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5317247542448614 [2023-08-29 18:52:42,920 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3570 transitions. [2023-08-29 18:52:42,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3570 transitions. [2023-08-29 18:52:42,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:42,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3570 transitions. [2023-08-29 18:52:42,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 595.0) internal successors, (3570), 6 states have internal predecessors, (3570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:42,929 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:42,930 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:42,930 INFO L175 Difference]: Start difference. First operand has 220 places, 211 transitions, 791 flow. Second operand 6 states and 3570 transitions. [2023-08-29 18:52:42,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 414 transitions, 2575 flow [2023-08-29 18:52:44,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 414 transitions, 2575 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:52:44,590 INFO L231 Difference]: Finished difference. Result has 224 places, 210 transitions, 797 flow [2023-08-29 18:52:44,590 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=789, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=797, PETRI_PLACES=224, PETRI_TRANSITIONS=210} [2023-08-29 18:52:44,591 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, 9 predicate places. [2023-08-29 18:52:44,591 INFO L495 AbstractCegarLoop]: Abstraction has has 224 places, 210 transitions, 797 flow [2023-08-29 18:52:44,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 570.3333333333334) internal successors, (3422), 6 states have internal predecessors, (3422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:44,592 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:44,592 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, 1, 1, 1, 1, 1, 1] [2023-08-29 18:52:44,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-29 18:52:44,592 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:52:44,592 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:44,593 INFO L85 PathProgramCache]: Analyzing trace with hash -2122983329, now seen corresponding path program 1 times [2023-08-29 18:52:44,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:44,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532549159] [2023-08-29 18:52:44,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:44,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:45,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 18:52:45,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:45,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532549159] [2023-08-29 18:52:45,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532549159] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:45,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:52:45,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:52:45,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284759004] [2023-08-29 18:52:45,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:45,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:52:45,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:45,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:52:45,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:52:45,663 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 560 out of 1119 [2023-08-29 18:52:45,664 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 210 transitions, 797 flow. Second operand has 6 states, 6 states have (on average 562.8333333333334) internal successors, (3377), 6 states have internal predecessors, (3377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:45,665 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:45,665 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 560 of 1119 [2023-08-29 18:52:45,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:58,552 INFO L130 PetriNetUnfolder]: 60947/127603 cut-off events. [2023-08-29 18:52:58,552 INFO L131 PetriNetUnfolder]: For 148433/148954 co-relation queries the response was YES. [2023-08-29 18:52:59,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317020 conditions, 127603 events. 60947/127603 cut-off events. For 148433/148954 co-relation queries the response was YES. Maximal size of possible extension queue 2564. Compared 1447570 event pairs, 32623 based on Foata normal form. 40/123692 useless extension candidates. Maximal degree in co-relation 316990. Up to 55945 conditions per place. [2023-08-29 18:53:00,070 INFO L137 encePairwiseOnDemand]: 1112/1119 looper letters, 284 selfloop transitions, 5 changer transitions 0/388 dead transitions. [2023-08-29 18:53:00,070 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 388 transitions, 2223 flow [2023-08-29 18:53:00,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:53:00,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:53:00,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3557 transitions. [2023-08-29 18:53:00,073 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5297885016383675 [2023-08-29 18:53:00,073 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3557 transitions. [2023-08-29 18:53:00,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3557 transitions. [2023-08-29 18:53:00,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:00,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3557 transitions. [2023-08-29 18:53:00,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 592.8333333333334) internal successors, (3557), 6 states have internal predecessors, (3557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:00,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:00,081 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:00,081 INFO L175 Difference]: Start difference. First operand has 224 places, 210 transitions, 797 flow. Second operand 6 states and 3557 transitions. [2023-08-29 18:53:00,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 388 transitions, 2223 flow [2023-08-29 18:53:01,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 388 transitions, 2214 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 18:53:01,776 INFO L231 Difference]: Finished difference. Result has 223 places, 208 transitions, 796 flow [2023-08-29 18:53:01,777 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=786, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=796, PETRI_PLACES=223, PETRI_TRANSITIONS=208} [2023-08-29 18:53:01,777 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, 8 predicate places. [2023-08-29 18:53:01,777 INFO L495 AbstractCegarLoop]: Abstraction has has 223 places, 208 transitions, 796 flow [2023-08-29 18:53:01,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 562.8333333333334) internal successors, (3377), 6 states have internal predecessors, (3377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:01,778 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:01,778 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:01,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-29 18:53:01,778 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:53:01,779 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:01,779 INFO L85 PathProgramCache]: Analyzing trace with hash -543200486, now seen corresponding path program 1 times [2023-08-29 18:53:01,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:01,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434839683] [2023-08-29 18:53:01,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:01,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:02,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 18:53:02,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:02,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434839683] [2023-08-29 18:53:02,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434839683] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:02,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:02,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:53:02,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599390624] [2023-08-29 18:53:02,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:02,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:53:02,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:02,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:53:02,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:53:02,664 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 560 out of 1119 [2023-08-29 18:53:02,666 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 208 transitions, 796 flow. Second operand has 6 states, 6 states have (on average 563.1666666666666) internal successors, (3379), 6 states have internal predecessors, (3379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:02,666 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:02,666 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 560 of 1119 [2023-08-29 18:53:02,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:16,186 INFO L130 PetriNetUnfolder]: 63687/132111 cut-off events. [2023-08-29 18:53:16,186 INFO L131 PetriNetUnfolder]: For 149300/149821 co-relation queries the response was YES. [2023-08-29 18:53:17,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 325966 conditions, 132111 events. 63687/132111 cut-off events. For 149300/149821 co-relation queries the response was YES. Maximal size of possible extension queue 2733. Compared 1493797 event pairs, 34946 based on Foata normal form. 40/128898 useless extension candidates. Maximal degree in co-relation 325936. Up to 59866 conditions per place. [2023-08-29 18:53:17,736 INFO L137 encePairwiseOnDemand]: 1112/1119 looper letters, 282 selfloop transitions, 5 changer transitions 0/384 dead transitions. [2023-08-29 18:53:17,736 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 384 transitions, 2155 flow [2023-08-29 18:53:17,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:53:17,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:53:17,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3555 transitions. [2023-08-29 18:53:17,739 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5294906166219839 [2023-08-29 18:53:17,739 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3555 transitions. [2023-08-29 18:53:17,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3555 transitions. [2023-08-29 18:53:17,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:17,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3555 transitions. [2023-08-29 18:53:17,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 592.5) internal successors, (3555), 6 states have internal predecessors, (3555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:17,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:17,748 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:17,748 INFO L175 Difference]: Start difference. First operand has 223 places, 208 transitions, 796 flow. Second operand 6 states and 3555 transitions. [2023-08-29 18:53:17,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 384 transitions, 2155 flow [2023-08-29 18:53:19,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 384 transitions, 2137 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 18:53:19,096 INFO L231 Difference]: Finished difference. Result has 221 places, 206 transitions, 792 flow [2023-08-29 18:53:19,096 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=792, PETRI_PLACES=221, PETRI_TRANSITIONS=206} [2023-08-29 18:53:19,097 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, 6 predicate places. [2023-08-29 18:53:19,097 INFO L495 AbstractCegarLoop]: Abstraction has has 221 places, 206 transitions, 792 flow [2023-08-29 18:53:19,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 563.1666666666666) internal successors, (3379), 6 states have internal predecessors, (3379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:19,097 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:19,097 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:19,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-29 18:53:19,097 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:53:19,098 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:19,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1239467617, now seen corresponding path program 1 times [2023-08-29 18:53:19,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:19,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735812690] [2023-08-29 18:53:19,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:19,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:19,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 18:53:19,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:19,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735812690] [2023-08-29 18:53:19,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735812690] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:19,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:19,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:53:19,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306531300] [2023-08-29 18:53:19,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:19,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:53:19,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:19,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:53:19,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:53:20,232 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 560 out of 1119 [2023-08-29 18:53:20,234 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 206 transitions, 792 flow. Second operand has 6 states, 6 states have (on average 563.8333333333334) internal successors, (3383), 6 states have internal predecessors, (3383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:20,234 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:20,234 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 560 of 1119 [2023-08-29 18:53:20,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:31,873 INFO L130 PetriNetUnfolder]: 55641/117446 cut-off events. [2023-08-29 18:53:31,873 INFO L131 PetriNetUnfolder]: For 133842/134363 co-relation queries the response was YES. [2023-08-29 18:53:32,873 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290512 conditions, 117446 events. 55641/117446 cut-off events. For 133842/134363 co-relation queries the response was YES. Maximal size of possible extension queue 2641. Compared 1345411 event pairs, 32020 based on Foata normal form. 40/113818 useless extension candidates. Maximal degree in co-relation 290482. Up to 55282 conditions per place. [2023-08-29 18:53:33,235 INFO L137 encePairwiseOnDemand]: 1112/1119 looper letters, 235 selfloop transitions, 5 changer transitions 0/336 dead transitions. [2023-08-29 18:53:33,235 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 336 transitions, 1868 flow [2023-08-29 18:53:33,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:53:33,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:53:33,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3532 transitions. [2023-08-29 18:53:33,238 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5260649389335716 [2023-08-29 18:53:33,238 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3532 transitions. [2023-08-29 18:53:33,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3532 transitions. [2023-08-29 18:53:33,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:33,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3532 transitions. [2023-08-29 18:53:33,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 588.6666666666666) internal successors, (3532), 6 states have internal predecessors, (3532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:33,244 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:33,245 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:33,245 INFO L175 Difference]: Start difference. First operand has 221 places, 206 transitions, 792 flow. Second operand 6 states and 3532 transitions. [2023-08-29 18:53:33,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 336 transitions, 1868 flow [2023-08-29 18:53:34,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 336 transitions, 1850 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 18:53:34,556 INFO L231 Difference]: Finished difference. Result has 219 places, 204 transitions, 788 flow [2023-08-29 18:53:34,556 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=788, PETRI_PLACES=219, PETRI_TRANSITIONS=204} [2023-08-29 18:53:34,556 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, 4 predicate places. [2023-08-29 18:53:34,556 INFO L495 AbstractCegarLoop]: Abstraction has has 219 places, 204 transitions, 788 flow [2023-08-29 18:53:34,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 563.8333333333334) internal successors, (3383), 6 states have internal predecessors, (3383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:34,557 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:34,557 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:34,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-29 18:53:34,557 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2023-08-29 18:53:34,557 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:34,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1181916531, now seen corresponding path program 1 times [2023-08-29 18:53:34,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:34,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104106834] [2023-08-29 18:53:34,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:34,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:34,900 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 18:53:34,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:34,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104106834] [2023-08-29 18:53:34,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104106834] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:34,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:34,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:53:34,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562991456] [2023-08-29 18:53:34,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:34,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:53:34,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:34,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:53:34,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:53:35,469 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 567 out of 1119 [2023-08-29 18:53:35,471 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 204 transitions, 788 flow. Second operand has 6 states, 6 states have (on average 571.3333333333334) internal successors, (3428), 6 states have internal predecessors, (3428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:35,471 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:35,471 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 567 of 1119 [2023-08-29 18:53:35,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:46,077 INFO L130 PetriNetUnfolder]: 46779/108457 cut-off events. [2023-08-29 18:53:46,077 INFO L131 PetriNetUnfolder]: For 119590/120111 co-relation queries the response was YES. [2023-08-29 18:53:46,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259821 conditions, 108457 events. 46779/108457 cut-off events. For 119590/120111 co-relation queries the response was YES. Maximal size of possible extension queue 2467. Compared 1307440 event pairs, 36190 based on Foata normal form. 40/105010 useless extension candidates. Maximal degree in co-relation 259791. Up to 63007 conditions per place. [2023-08-29 18:53:46,994 INFO L137 encePairwiseOnDemand]: 1114/1119 looper letters, 0 selfloop transitions, 0 changer transitions 327/327 dead transitions. [2023-08-29 18:53:46,995 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 327 transitions, 1968 flow [2023-08-29 18:53:46,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:53:46,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:53:46,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3526 transitions. [2023-08-29 18:53:46,997 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5251712838844206 [2023-08-29 18:53:46,997 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3526 transitions. [2023-08-29 18:53:46,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3526 transitions. [2023-08-29 18:53:46,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:46,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3526 transitions. [2023-08-29 18:53:47,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 587.6666666666666) internal successors, (3526), 6 states have internal predecessors, (3526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:47,003 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:47,004 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1119.0) internal successors, (7833), 7 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:47,004 INFO L175 Difference]: Start difference. First operand has 219 places, 204 transitions, 788 flow. Second operand 6 states and 3526 transitions. [2023-08-29 18:53:47,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 327 transitions, 1968 flow [2023-08-29 18:53:48,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 327 transitions, 1942 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 18:53:48,042 INFO L231 Difference]: Finished difference. Result has 218 places, 0 transitions, 0 flow [2023-08-29 18:53:48,042 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1119, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=218, PETRI_TRANSITIONS=0} [2023-08-29 18:53:48,042 INFO L281 CegarLoopForPetriNet]: 215 programPoint places, 3 predicate places. [2023-08-29 18:53:48,042 INFO L495 AbstractCegarLoop]: Abstraction has has 218 places, 0 transitions, 0 flow [2023-08-29 18:53:48,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 571.3333333333334) internal successors, (3428), 6 states have internal predecessors, (3428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:48,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (106 of 107 remaining) [2023-08-29 18:53:48,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (105 of 107 remaining) [2023-08-29 18:53:48,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (104 of 107 remaining) [2023-08-29 18:53:48,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (103 of 107 remaining) [2023-08-29 18:53:48,045 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (102 of 107 remaining) [2023-08-29 18:53:48,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (101 of 107 remaining) [2023-08-29 18:53:48,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (100 of 107 remaining) [2023-08-29 18:53:48,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (99 of 107 remaining) [2023-08-29 18:53:48,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (98 of 107 remaining) [2023-08-29 18:53:48,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (97 of 107 remaining) [2023-08-29 18:53:48,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (96 of 107 remaining) [2023-08-29 18:53:48,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (95 of 107 remaining) [2023-08-29 18:53:48,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (94 of 107 remaining) [2023-08-29 18:53:48,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (93 of 107 remaining) [2023-08-29 18:53:48,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (92 of 107 remaining) [2023-08-29 18:53:48,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (91 of 107 remaining) [2023-08-29 18:53:48,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (90 of 107 remaining) [2023-08-29 18:53:48,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (89 of 107 remaining) [2023-08-29 18:53:48,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (88 of 107 remaining) [2023-08-29 18:53:48,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (87 of 107 remaining) [2023-08-29 18:53:48,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (86 of 107 remaining) [2023-08-29 18:53:48,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (85 of 107 remaining) [2023-08-29 18:53:48,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (84 of 107 remaining) [2023-08-29 18:53:48,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (83 of 107 remaining) [2023-08-29 18:53:48,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (82 of 107 remaining) [2023-08-29 18:53:48,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (81 of 107 remaining) [2023-08-29 18:53:48,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (80 of 107 remaining) [2023-08-29 18:53:48,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (79 of 107 remaining) [2023-08-29 18:53:48,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (78 of 107 remaining) [2023-08-29 18:53:48,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (77 of 107 remaining) [2023-08-29 18:53:48,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (76 of 107 remaining) [2023-08-29 18:53:48,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (75 of 107 remaining) [2023-08-29 18:53:48,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (74 of 107 remaining) [2023-08-29 18:53:48,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (73 of 107 remaining) [2023-08-29 18:53:48,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (72 of 107 remaining) [2023-08-29 18:53:48,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (71 of 107 remaining) [2023-08-29 18:53:48,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (70 of 107 remaining) [2023-08-29 18:53:48,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (69 of 107 remaining) [2023-08-29 18:53:48,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (68 of 107 remaining) [2023-08-29 18:53:48,050 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (67 of 107 remaining) [2023-08-29 18:53:48,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (66 of 107 remaining) [2023-08-29 18:53:48,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (65 of 107 remaining) [2023-08-29 18:53:48,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (64 of 107 remaining) [2023-08-29 18:53:48,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (63 of 107 remaining) [2023-08-29 18:53:48,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (62 of 107 remaining) [2023-08-29 18:53:48,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (61 of 107 remaining) [2023-08-29 18:53:48,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (60 of 107 remaining) [2023-08-29 18:53:48,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (59 of 107 remaining) [2023-08-29 18:53:48,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (58 of 107 remaining) [2023-08-29 18:53:48,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (57 of 107 remaining) [2023-08-29 18:53:48,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (56 of 107 remaining) [2023-08-29 18:53:48,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (55 of 107 remaining) [2023-08-29 18:53:48,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (54 of 107 remaining) [2023-08-29 18:53:48,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (53 of 107 remaining) [2023-08-29 18:53:48,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (52 of 107 remaining) [2023-08-29 18:53:48,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (51 of 107 remaining) [2023-08-29 18:53:48,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (50 of 107 remaining) [2023-08-29 18:53:48,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (49 of 107 remaining) [2023-08-29 18:53:48,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (48 of 107 remaining) [2023-08-29 18:53:48,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (47 of 107 remaining) [2023-08-29 18:53:48,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (46 of 107 remaining) [2023-08-29 18:53:48,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (45 of 107 remaining) [2023-08-29 18:53:48,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 107 remaining) [2023-08-29 18:53:48,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 107 remaining) [2023-08-29 18:53:48,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 107 remaining) [2023-08-29 18:53:48,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (41 of 107 remaining) [2023-08-29 18:53:48,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (40 of 107 remaining) [2023-08-29 18:53:48,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (39 of 107 remaining) [2023-08-29 18:53:48,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (38 of 107 remaining) [2023-08-29 18:53:48,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (37 of 107 remaining) [2023-08-29 18:53:48,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (36 of 107 remaining) [2023-08-29 18:53:48,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (35 of 107 remaining) [2023-08-29 18:53:48,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (34 of 107 remaining) [2023-08-29 18:53:48,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (33 of 107 remaining) [2023-08-29 18:53:48,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (32 of 107 remaining) [2023-08-29 18:53:48,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (31 of 107 remaining) [2023-08-29 18:53:48,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (30 of 107 remaining) [2023-08-29 18:53:48,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (29 of 107 remaining) [2023-08-29 18:53:48,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (28 of 107 remaining) [2023-08-29 18:53:48,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (27 of 107 remaining) [2023-08-29 18:53:48,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (26 of 107 remaining) [2023-08-29 18:53:48,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (25 of 107 remaining) [2023-08-29 18:53:48,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (24 of 107 remaining) [2023-08-29 18:53:48,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (23 of 107 remaining) [2023-08-29 18:53:48,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (22 of 107 remaining) [2023-08-29 18:53:48,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (21 of 107 remaining) [2023-08-29 18:53:48,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (20 of 107 remaining) [2023-08-29 18:53:48,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (19 of 107 remaining) [2023-08-29 18:53:48,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (18 of 107 remaining) [2023-08-29 18:53:48,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (17 of 107 remaining) [2023-08-29 18:53:48,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (16 of 107 remaining) [2023-08-29 18:53:48,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (15 of 107 remaining) [2023-08-29 18:53:48,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (14 of 107 remaining) [2023-08-29 18:53:48,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (13 of 107 remaining) [2023-08-29 18:53:48,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (12 of 107 remaining) [2023-08-29 18:53:48,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (11 of 107 remaining) [2023-08-29 18:53:48,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (10 of 107 remaining) [2023-08-29 18:53:48,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (9 of 107 remaining) [2023-08-29 18:53:48,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (8 of 107 remaining) [2023-08-29 18:53:48,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (7 of 107 remaining) [2023-08-29 18:53:48,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (6 of 107 remaining) [2023-08-29 18:53:48,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (5 of 107 remaining) [2023-08-29 18:53:48,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (4 of 107 remaining) [2023-08-29 18:53:48,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (3 of 107 remaining) [2023-08-29 18:53:48,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (2 of 107 remaining) [2023-08-29 18:53:48,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (1 of 107 remaining) [2023-08-29 18:53:48,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (0 of 107 remaining) [2023-08-29 18:53:48,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-29 18:53:48,058 INFO L445 BasicCegarLoop]: Path program 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 18:53:48,063 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 18:53:48,063 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 18:53:48,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 06:53:48 BasicIcfg [2023-08-29 18:53:48,066 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 18:53:48,067 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 18:53:48,067 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 18:53:48,067 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 18:53:48,067 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:49:15" (3/4) ... [2023-08-29 18:53:48,069 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 18:53:48,073 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 18:53:48,073 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 18:53:48,073 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 18:53:48,079 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2023-08-29 18:53:48,079 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 18:53:48,080 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 18:53:48,080 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 18:53:48,122 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 18:53:48,123 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 18:53:48,123 INFO L158 Benchmark]: Toolchain (without parser) took 273596.35ms. Allocated memory was 79.7MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 54.0MB in the beginning and 9.4GB in the end (delta: -9.3GB). Peak memory consumption was 6.7GB. Max. memory is 16.1GB. [2023-08-29 18:53:48,123 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 18:53:48,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.92ms. Allocated memory is still 79.7MB. Free memory was 54.0MB in the beginning and 40.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 18:53:48,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.48ms. Allocated memory is still 79.7MB. Free memory was 40.5MB in the beginning and 57.1MB in the end (delta: -16.6MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2023-08-29 18:53:48,124 INFO L158 Benchmark]: Boogie Preprocessor took 88.35ms. Allocated memory is still 79.7MB. Free memory was 57.1MB in the beginning and 53.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 18:53:48,125 INFO L158 Benchmark]: RCFGBuilder took 968.23ms. Allocated memory is still 79.7MB. Free memory was 53.0MB in the beginning and 38.9MB in the end (delta: 14.2MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2023-08-29 18:53:48,125 INFO L158 Benchmark]: TraceAbstraction took 272082.88ms. Allocated memory was 79.7MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 38.4MB in the beginning and 9.4GB in the end (delta: -9.4GB). Peak memory consumption was 6.9GB. Max. memory is 16.1GB. [2023-08-29 18:53:48,125 INFO L158 Benchmark]: Witness Printer took 56.04ms. Allocated memory is still 16.1GB. Free memory was 9.4GB in the beginning and 9.4GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 18:53:48,127 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 60.8MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.92ms. Allocated memory is still 79.7MB. Free memory was 54.0MB in the beginning and 40.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.48ms. Allocated memory is still 79.7MB. Free memory was 40.5MB in the beginning and 57.1MB in the end (delta: -16.6MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.35ms. Allocated memory is still 79.7MB. Free memory was 57.1MB in the beginning and 53.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 968.23ms. Allocated memory is still 79.7MB. Free memory was 53.0MB in the beginning and 38.9MB in the end (delta: 14.2MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * TraceAbstraction took 272082.88ms. Allocated memory was 79.7MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 38.4MB in the beginning and 9.4GB in the end (delta: -9.4GB). Peak memory consumption was 6.9GB. Max. memory is 16.1GB. * Witness Printer took 56.04ms. Allocated memory is still 16.1GB. Free memory was 9.4GB in the beginning and 9.4GB in the end (delta: 5.2MB). 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: 10.9s, 571 PlacesBefore, 215 PlacesAfterwards, 592 TransitionsBefore, 220 TransitionsAfterwards, 85536 CoEnabledTransitionPairs, 8 FixpointIterations, 234 TrivialSequentialCompositions, 191 ConcurrentSequentialCompositions, 27 TrivialYvCompositions, 36 ConcurrentYvCompositions, 16 ChoiceCompositions, 504 TotalNumberOfCompositions, 490161 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 118079, independent: 115115, independent conditional: 0, independent unconditional: 115115, dependent: 2964, dependent conditional: 0, dependent unconditional: 2964, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 41914, independent: 41603, independent conditional: 0, independent unconditional: 41603, dependent: 311, dependent conditional: 0, dependent unconditional: 311, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 118079, independent: 73512, independent conditional: 0, independent unconditional: 73512, dependent: 2653, dependent conditional: 0, dependent unconditional: 2653, unknown: 41914, unknown conditional: 0, unknown unconditional: 41914] , Statistics on independence cache: Total cache size (in pairs): 5675, Positive cache size: 5481, Positive conditional cache size: 0, Positive unconditional cache size: 5481, Negative cache size: 194, Negative conditional cache size: 0, Negative unconditional cache size: 194, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: 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 7 procedures, 895 locations, 107 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: 271.9s, OverallIterations: 25, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 255.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8325 SdHoareTripleChecker+Valid, 11.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5511 mSDsluCounter, 1905 SdHoareTripleChecker+Invalid, 9.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1631 mSDsCounter, 2428 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15346 IncrementalHoareTripleChecker+Invalid, 17774 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2428 mSolverCounterUnsat, 274 mSDtfsCounter, 15346 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=798occurred in iteration=18, InterpolantAutomatonStates: 124, 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: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 525 NumberOfCodeBlocks, 525 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 500 ConstructedInterpolants, 0 QuantifiedInterpolants, 1782 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 17/17 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 62 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 18:53:48,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE