./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c 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 /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-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 be2a0d1eee532c8ad9f827ec91fa18dbacb100bdaebd8afe9a7f9b56098458ea --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:32:38,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:32:38,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:32:38,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:32:38,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:32:38,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:32:38,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:32:38,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:32:38,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:32:38,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:32:38,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:32:38,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:32:38,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:32:38,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:32:38,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:32:38,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:32:38,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:32:38,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:32:38,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:32:38,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:32:38,785 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:32:38,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:32:38,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:32:38,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:32:38,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:32:38,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:32:38,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:32:38,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:32:38,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:32:38,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:32:38,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:32:38,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:32:38,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:32:38,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:32:38,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:32:38,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:32:38,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:32:38,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:32:38,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:32:38,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:32:38,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:32:38,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:32:38,804 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 16:32:38,836 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:32:38,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:32:38,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:32:38,838 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:32:38,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:32:38,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:32:38,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:32:38,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:32:38,839 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:32:38,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:32:38,841 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:32:38,841 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:32:38,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:32:38,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:32:38,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:32:38,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:32:38,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:32:38,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:32:38,842 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:32:38,842 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:32:38,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:32:38,843 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:32:38,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:32:38,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:32:38,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:32:38,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:32:38,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:32:38,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:32:38,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:32:38,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:32:38,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:32:38,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:32:38,845 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:32:38,845 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 16:32:38,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:32:38,846 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be2a0d1eee532c8ad9f827ec91fa18dbacb100bdaebd8afe9a7f9b56098458ea [2022-04-18 16:32:39,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:32:39,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:32:39,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:32:39,124 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:32:39,124 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:32:39,125 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-subst.wvr.c [2022-04-18 16:32:39,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed82524dd/caed490e2f9b417cbaeea785a9c815e3/FLAG9e1659b8d [2022-04-18 16:32:39,561 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:32:39,562 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-subst.wvr.c [2022-04-18 16:32:39,571 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed82524dd/caed490e2f9b417cbaeea785a9c815e3/FLAG9e1659b8d [2022-04-18 16:32:39,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed82524dd/caed490e2f9b417cbaeea785a9c815e3 [2022-04-18 16:32:39,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:32:39,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:32:39,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:32:39,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:32:39,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:32:39,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:32:39" (1/1) ... [2022-04-18 16:32:39,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47acd1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:39, skipping insertion in model container [2022-04-18 16:32:39,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:32:39" (1/1) ... [2022-04-18 16:32:39,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:32:39,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:32:39,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-subst.wvr.c[3015,3028] [2022-04-18 16:32:39,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:32:39,890 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:32:39,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-subst.wvr.c[3015,3028] [2022-04-18 16:32:39,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:32:39,954 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:32:39,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:39 WrapperNode [2022-04-18 16:32:39,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:32:39,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:32:39,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:32:39,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:32:39,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:39" (1/1) ... [2022-04-18 16:32:39,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:39" (1/1) ... [2022-04-18 16:32:39,998 INFO L137 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 346 [2022-04-18 16:32:39,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:32:40,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:32:40,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:32:40,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:32:40,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:39" (1/1) ... [2022-04-18 16:32:40,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:39" (1/1) ... [2022-04-18 16:32:40,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:39" (1/1) ... [2022-04-18 16:32:40,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:39" (1/1) ... [2022-04-18 16:32:40,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:39" (1/1) ... [2022-04-18 16:32:40,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:39" (1/1) ... [2022-04-18 16:32:40,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:39" (1/1) ... [2022-04-18 16:32:40,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:32:40,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:32:40,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:32:40,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:32:40,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:39" (1/1) ... [2022-04-18 16:32:40,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:32:40,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 16:32:40,088 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) [2022-04-18 16:32:40,108 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 [2022-04-18 16:32:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:32:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-04-18 16:32:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-04-18 16:32:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-04-18 16:32:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-04-18 16:32:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-04-18 16:32:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-04-18 16:32:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:32:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:32:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:32:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:32:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:32:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 16:32:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:32:40,133 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 16:32:40,251 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:32:40,253 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:32:40,708 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:32:40,720 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:32:40,721 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 16:32:40,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:32:40 BoogieIcfgContainer [2022-04-18 16:32:40,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:32:40,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:32:40,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:32:40,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:32:40,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:32:39" (1/3) ... [2022-04-18 16:32:40,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab05953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:32:40, skipping insertion in model container [2022-04-18 16:32:40,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:39" (2/3) ... [2022-04-18 16:32:40,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab05953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:32:40, skipping insertion in model container [2022-04-18 16:32:40,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:32:40" (3/3) ... [2022-04-18 16:32:40,730 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-file-item-subst.wvr.c [2022-04-18 16:32:40,734 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:32:40,734 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:32:40,735 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-04-18 16:32:40,735 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:32:40,881 INFO L135 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-04-18 16:32:40,929 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 16:32:40,937 INFO L340 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 [2022-04-18 16:32:40,937 INFO L341 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2022-04-18 16:32:40,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 438 places, 455 transitions, 934 flow [2022-04-18 16:32:41,162 INFO L129 PetriNetUnfolder]: 27/452 cut-off events. [2022-04-18 16:32:41,162 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-04-18 16:32:41,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 452 events. 27/452 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1305 event pairs, 0 based on Foata normal form. 0/381 useless extension candidates. Maximal degree in co-relation 296. Up to 2 conditions per place. [2022-04-18 16:32:41,175 INFO L82 GeneralOperation]: Start removeDead. Operand has 438 places, 455 transitions, 934 flow [2022-04-18 16:32:41,183 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 414 places, 429 transitions, 876 flow [2022-04-18 16:32:41,189 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2022-04-18 16:32:41,189 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:32:41,190 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:41,190 INFO L255 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] [2022-04-18 16:32:41,191 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:41,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:41,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1079963987, now seen corresponding path program 1 times [2022-04-18 16:32:41,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:41,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299418179] [2022-04-18 16:32:41,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:41,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:41,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:41,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:41,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299418179] [2022-04-18 16:32:41,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299418179] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:41,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:41,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:41,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890799717] [2022-04-18 16:32:41,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:41,408 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:41,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:41,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:41,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:41,443 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 455 [2022-04-18 16:32:41,451 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 429 transitions, 876 flow. Second operand has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:41,451 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:41,451 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 455 [2022-04-18 16:32:41,452 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:41,810 INFO L129 PetriNetUnfolder]: 86/1386 cut-off events. [2022-04-18 16:32:41,811 INFO L130 PetriNetUnfolder]: For 54/59 co-relation queries the response was YES. [2022-04-18 16:32:41,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1535 conditions, 1386 events. 86/1386 cut-off events. For 54/59 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 9109 event pairs, 39 based on Foata normal form. 43/1218 useless extension candidates. Maximal degree in co-relation 1293. Up to 90 conditions per place. [2022-04-18 16:32:41,840 INFO L132 encePairwiseOnDemand]: 445/455 looper letters, 15 selfloop transitions, 2 changer transitions 1/421 dead transitions. [2022-04-18 16:32:41,840 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 421 transitions, 894 flow [2022-04-18 16:32:41,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:41,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:41,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1309 transitions. [2022-04-18 16:32:41,861 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.958974358974359 [2022-04-18 16:32:41,862 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1309 transitions. [2022-04-18 16:32:41,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1309 transitions. [2022-04-18 16:32:41,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:41,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1309 transitions. [2022-04-18 16:32:41,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 436.3333333333333) internal successors, (1309), 3 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:41,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:41,887 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:41,889 INFO L186 Difference]: Start difference. First operand has 414 places, 429 transitions, 876 flow. Second operand 3 states and 1309 transitions. [2022-04-18 16:32:41,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 421 transitions, 894 flow [2022-04-18 16:32:41,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 421 transitions, 882 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-04-18 16:32:41,907 INFO L242 Difference]: Finished difference. Result has 409 places, 420 transitions, 850 flow [2022-04-18 16:32:41,910 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=848, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=850, PETRI_PLACES=409, PETRI_TRANSITIONS=420} [2022-04-18 16:32:41,914 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -5 predicate places. [2022-04-18 16:32:41,915 INFO L478 AbstractCegarLoop]: Abstraction has has 409 places, 420 transitions, 850 flow [2022-04-18 16:32:41,916 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:41,916 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:41,917 INFO L255 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] [2022-04-18 16:32:41,917 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:32:41,917 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:41,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:41,919 INFO L85 PathProgramCache]: Analyzing trace with hash 353556960, now seen corresponding path program 1 times [2022-04-18 16:32:41,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:41,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901143912] [2022-04-18 16:32:41,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:41,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:41,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:41,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:41,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901143912] [2022-04-18 16:32:41,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901143912] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:41,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:41,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:41,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566061771] [2022-04-18 16:32:41,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:41,992 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:41,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:41,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:41,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:41,996 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 455 [2022-04-18 16:32:41,997 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 420 transitions, 850 flow. Second operand has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:42,001 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:42,002 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 455 [2022-04-18 16:32:42,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:42,255 INFO L129 PetriNetUnfolder]: 56/980 cut-off events. [2022-04-18 16:32:42,256 INFO L130 PetriNetUnfolder]: For 14/16 co-relation queries the response was YES. [2022-04-18 16:32:42,269 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1058 conditions, 980 events. 56/980 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 5063 event pairs, 21 based on Foata normal form. 0/834 useless extension candidates. Maximal degree in co-relation 1018. Up to 63 conditions per place. [2022-04-18 16:32:42,277 INFO L132 encePairwiseOnDemand]: 452/455 looper letters, 15 selfloop transitions, 2 changer transitions 0/419 dead transitions. [2022-04-18 16:32:42,277 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 419 transitions, 882 flow [2022-04-18 16:32:42,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:42,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:42,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1302 transitions. [2022-04-18 16:32:42,281 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9538461538461539 [2022-04-18 16:32:42,281 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1302 transitions. [2022-04-18 16:32:42,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1302 transitions. [2022-04-18 16:32:42,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:42,282 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1302 transitions. [2022-04-18 16:32:42,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 434.0) internal successors, (1302), 3 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:42,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:42,289 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:42,289 INFO L186 Difference]: Start difference. First operand has 409 places, 420 transitions, 850 flow. Second operand 3 states and 1302 transitions. [2022-04-18 16:32:42,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 419 transitions, 882 flow [2022-04-18 16:32:42,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 419 transitions, 878 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:42,297 INFO L242 Difference]: Finished difference. Result has 407 places, 419 transitions, 848 flow [2022-04-18 16:32:42,298 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=844, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=848, PETRI_PLACES=407, PETRI_TRANSITIONS=419} [2022-04-18 16:32:42,299 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -7 predicate places. [2022-04-18 16:32:42,299 INFO L478 AbstractCegarLoop]: Abstraction has has 407 places, 419 transitions, 848 flow [2022-04-18 16:32:42,300 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:42,301 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:42,301 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:42,301 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 16:32:42,301 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:42,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:42,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1126421536, now seen corresponding path program 1 times [2022-04-18 16:32:42,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:42,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848230667] [2022-04-18 16:32:42,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:42,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:42,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:42,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:42,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848230667] [2022-04-18 16:32:42,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848230667] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:42,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:42,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:42,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243803726] [2022-04-18 16:32:42,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:42,347 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:42,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:42,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:42,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:42,350 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 455 [2022-04-18 16:32:42,352 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 419 transitions, 848 flow. Second operand has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:42,352 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:42,352 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 455 [2022-04-18 16:32:42,353 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:42,569 INFO L129 PetriNetUnfolder]: 68/1063 cut-off events. [2022-04-18 16:32:42,569 INFO L130 PetriNetUnfolder]: For 26/32 co-relation queries the response was YES. [2022-04-18 16:32:42,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1165 conditions, 1063 events. 68/1063 cut-off events. For 26/32 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5819 event pairs, 39 based on Foata normal form. 0/921 useless extension candidates. Maximal degree in co-relation 1118. Up to 90 conditions per place. [2022-04-18 16:32:42,587 INFO L132 encePairwiseOnDemand]: 452/455 looper letters, 15 selfloop transitions, 2 changer transitions 0/418 dead transitions. [2022-04-18 16:32:42,587 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 418 transitions, 880 flow [2022-04-18 16:32:42,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:42,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:42,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1302 transitions. [2022-04-18 16:32:42,592 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9538461538461539 [2022-04-18 16:32:42,594 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1302 transitions. [2022-04-18 16:32:42,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1302 transitions. [2022-04-18 16:32:42,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:42,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1302 transitions. [2022-04-18 16:32:42,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 434.0) internal successors, (1302), 3 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:42,612 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:42,613 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:42,613 INFO L186 Difference]: Start difference. First operand has 407 places, 419 transitions, 848 flow. Second operand 3 states and 1302 transitions. [2022-04-18 16:32:42,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 418 transitions, 880 flow [2022-04-18 16:32:42,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 418 transitions, 876 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:42,621 INFO L242 Difference]: Finished difference. Result has 406 places, 418 transitions, 846 flow [2022-04-18 16:32:42,621 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=842, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=846, PETRI_PLACES=406, PETRI_TRANSITIONS=418} [2022-04-18 16:32:42,622 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -8 predicate places. [2022-04-18 16:32:42,622 INFO L478 AbstractCegarLoop]: Abstraction has has 406 places, 418 transitions, 846 flow [2022-04-18 16:32:42,623 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:42,623 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:42,623 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:42,623 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 16:32:42,624 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:42,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:42,624 INFO L85 PathProgramCache]: Analyzing trace with hash -52043328, now seen corresponding path program 1 times [2022-04-18 16:32:42,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:42,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189296250] [2022-04-18 16:32:42,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:42,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:42,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:42,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:42,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189296250] [2022-04-18 16:32:42,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189296250] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:42,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:42,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:42,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932501877] [2022-04-18 16:32:42,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:42,669 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:42,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:42,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:42,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:42,671 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 455 [2022-04-18 16:32:42,673 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 418 transitions, 846 flow. Second operand has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:42,673 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:42,673 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 455 [2022-04-18 16:32:42,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:42,880 INFO L129 PetriNetUnfolder]: 117/1326 cut-off events. [2022-04-18 16:32:42,880 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-04-18 16:32:42,895 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1438 conditions, 1326 events. 117/1326 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 9028 event pairs, 39 based on Foata normal form. 0/1066 useless extension candidates. Maximal degree in co-relation 1384. Up to 85 conditions per place. [2022-04-18 16:32:42,906 INFO L132 encePairwiseOnDemand]: 452/455 looper letters, 15 selfloop transitions, 2 changer transitions 0/417 dead transitions. [2022-04-18 16:32:42,906 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 417 transitions, 878 flow [2022-04-18 16:32:42,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:42,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:42,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1302 transitions. [2022-04-18 16:32:42,909 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9538461538461539 [2022-04-18 16:32:42,910 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1302 transitions. [2022-04-18 16:32:42,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1302 transitions. [2022-04-18 16:32:42,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:42,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1302 transitions. [2022-04-18 16:32:42,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 434.0) internal successors, (1302), 3 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:42,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:42,917 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:42,917 INFO L186 Difference]: Start difference. First operand has 406 places, 418 transitions, 846 flow. Second operand 3 states and 1302 transitions. [2022-04-18 16:32:42,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 417 transitions, 878 flow [2022-04-18 16:32:42,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 417 transitions, 874 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:42,924 INFO L242 Difference]: Finished difference. Result has 405 places, 417 transitions, 844 flow [2022-04-18 16:32:42,925 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=840, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=844, PETRI_PLACES=405, PETRI_TRANSITIONS=417} [2022-04-18 16:32:42,925 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -9 predicate places. [2022-04-18 16:32:42,926 INFO L478 AbstractCegarLoop]: Abstraction has has 405 places, 417 transitions, 844 flow [2022-04-18 16:32:42,926 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:42,926 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:42,927 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:42,927 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 16:32:42,927 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:42,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:42,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1371392609, now seen corresponding path program 1 times [2022-04-18 16:32:42,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:42,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827305040] [2022-04-18 16:32:42,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:42,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:42,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:42,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:42,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827305040] [2022-04-18 16:32:42,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827305040] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:42,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:42,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:42,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678869637] [2022-04-18 16:32:42,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:42,964 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:42,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:42,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:42,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:42,967 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 425 out of 455 [2022-04-18 16:32:42,968 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 417 transitions, 844 flow. Second operand has 3 states, 3 states have (on average 426.3333333333333) internal successors, (1279), 3 states have internal predecessors, (1279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:42,968 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:42,968 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 425 of 455 [2022-04-18 16:32:42,968 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:43,229 INFO L129 PetriNetUnfolder]: 114/1312 cut-off events. [2022-04-18 16:32:43,230 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-04-18 16:32:43,247 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1424 conditions, 1312 events. 114/1312 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 8352 event pairs, 36 based on Foata normal form. 0/1060 useless extension candidates. Maximal degree in co-relation 1364. Up to 91 conditions per place. [2022-04-18 16:32:43,260 INFO L132 encePairwiseOnDemand]: 452/455 looper letters, 18 selfloop transitions, 2 changer transitions 0/416 dead transitions. [2022-04-18 16:32:43,260 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 416 transitions, 882 flow [2022-04-18 16:32:43,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:43,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:43,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1296 transitions. [2022-04-18 16:32:43,264 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9494505494505494 [2022-04-18 16:32:43,264 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1296 transitions. [2022-04-18 16:32:43,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1296 transitions. [2022-04-18 16:32:43,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:43,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1296 transitions. [2022-04-18 16:32:43,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 432.0) internal successors, (1296), 3 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:43,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:43,272 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:43,272 INFO L186 Difference]: Start difference. First operand has 405 places, 417 transitions, 844 flow. Second operand 3 states and 1296 transitions. [2022-04-18 16:32:43,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 416 transitions, 882 flow [2022-04-18 16:32:43,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 416 transitions, 878 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:43,284 INFO L242 Difference]: Finished difference. Result has 404 places, 416 transitions, 842 flow [2022-04-18 16:32:43,285 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=838, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=842, PETRI_PLACES=404, PETRI_TRANSITIONS=416} [2022-04-18 16:32:43,287 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -10 predicate places. [2022-04-18 16:32:43,287 INFO L478 AbstractCegarLoop]: Abstraction has has 404 places, 416 transitions, 842 flow [2022-04-18 16:32:43,288 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 426.3333333333333) internal successors, (1279), 3 states have internal predecessors, (1279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:43,289 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:43,289 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:43,289 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 16:32:43,290 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:43,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:43,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1965690935, now seen corresponding path program 1 times [2022-04-18 16:32:43,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:43,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318457349] [2022-04-18 16:32:43,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:43,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:43,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:43,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:43,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318457349] [2022-04-18 16:32:43,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318457349] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:43,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:43,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:43,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725700839] [2022-04-18 16:32:43,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:43,351 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:43,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:43,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:43,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:43,355 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 455 [2022-04-18 16:32:43,356 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 416 transitions, 842 flow. Second operand has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:43,356 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:43,356 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 455 [2022-04-18 16:32:43,356 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:43,687 INFO L129 PetriNetUnfolder]: 258/2011 cut-off events. [2022-04-18 16:32:43,687 INFO L130 PetriNetUnfolder]: For 57/65 co-relation queries the response was YES. [2022-04-18 16:32:43,710 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2276 conditions, 2011 events. 258/2011 cut-off events. For 57/65 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 15681 event pairs, 132 based on Foata normal form. 0/1616 useless extension candidates. Maximal degree in co-relation 2210. Up to 250 conditions per place. [2022-04-18 16:32:43,725 INFO L132 encePairwiseOnDemand]: 452/455 looper letters, 21 selfloop transitions, 2 changer transitions 0/415 dead transitions. [2022-04-18 16:32:43,725 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 415 transitions, 886 flow [2022-04-18 16:32:43,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:43,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:43,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1290 transitions. [2022-04-18 16:32:43,729 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.945054945054945 [2022-04-18 16:32:43,729 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1290 transitions. [2022-04-18 16:32:43,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1290 transitions. [2022-04-18 16:32:43,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:43,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1290 transitions. [2022-04-18 16:32:43,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 430.0) internal successors, (1290), 3 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:43,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:43,736 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:43,737 INFO L186 Difference]: Start difference. First operand has 404 places, 416 transitions, 842 flow. Second operand 3 states and 1290 transitions. [2022-04-18 16:32:43,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 415 transitions, 886 flow [2022-04-18 16:32:43,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 415 transitions, 882 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:43,744 INFO L242 Difference]: Finished difference. Result has 403 places, 415 transitions, 840 flow [2022-04-18 16:32:43,745 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=836, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=840, PETRI_PLACES=403, PETRI_TRANSITIONS=415} [2022-04-18 16:32:43,748 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -11 predicate places. [2022-04-18 16:32:43,749 INFO L478 AbstractCegarLoop]: Abstraction has has 403 places, 415 transitions, 840 flow [2022-04-18 16:32:43,750 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:43,750 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:43,750 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:43,751 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 16:32:43,751 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:43,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:43,752 INFO L85 PathProgramCache]: Analyzing trace with hash 931267577, now seen corresponding path program 1 times [2022-04-18 16:32:43,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:43,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935668392] [2022-04-18 16:32:43,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:43,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:43,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:43,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:43,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935668392] [2022-04-18 16:32:43,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935668392] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:43,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:43,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:43,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581965956] [2022-04-18 16:32:43,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:43,810 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:43,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:43,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:43,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:43,817 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 455 [2022-04-18 16:32:43,818 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 415 transitions, 840 flow. Second operand has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:43,819 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:43,819 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 455 [2022-04-18 16:32:43,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:44,053 INFO L129 PetriNetUnfolder]: 128/1715 cut-off events. [2022-04-18 16:32:44,053 INFO L130 PetriNetUnfolder]: For 11/22 co-relation queries the response was YES. [2022-04-18 16:32:44,075 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1832 conditions, 1715 events. 128/1715 cut-off events. For 11/22 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 13456 event pairs, 39 based on Foata normal form. 0/1424 useless extension candidates. Maximal degree in co-relation 1760. Up to 90 conditions per place. [2022-04-18 16:32:44,085 INFO L132 encePairwiseOnDemand]: 452/455 looper letters, 15 selfloop transitions, 2 changer transitions 0/414 dead transitions. [2022-04-18 16:32:44,085 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 414 transitions, 872 flow [2022-04-18 16:32:44,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:44,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:44,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1302 transitions. [2022-04-18 16:32:44,088 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9538461538461539 [2022-04-18 16:32:44,088 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1302 transitions. [2022-04-18 16:32:44,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1302 transitions. [2022-04-18 16:32:44,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:44,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1302 transitions. [2022-04-18 16:32:44,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 434.0) internal successors, (1302), 3 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:44,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:44,095 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:44,095 INFO L186 Difference]: Start difference. First operand has 403 places, 415 transitions, 840 flow. Second operand 3 states and 1302 transitions. [2022-04-18 16:32:44,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 414 transitions, 872 flow [2022-04-18 16:32:44,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 414 transitions, 868 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:44,102 INFO L242 Difference]: Finished difference. Result has 402 places, 414 transitions, 838 flow [2022-04-18 16:32:44,103 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=838, PETRI_PLACES=402, PETRI_TRANSITIONS=414} [2022-04-18 16:32:44,103 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -12 predicate places. [2022-04-18 16:32:44,103 INFO L478 AbstractCegarLoop]: Abstraction has has 402 places, 414 transitions, 838 flow [2022-04-18 16:32:44,104 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:44,104 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:44,104 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:44,104 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 16:32:44,104 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:44,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:44,105 INFO L85 PathProgramCache]: Analyzing trace with hash -2094650414, now seen corresponding path program 1 times [2022-04-18 16:32:44,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:44,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418990248] [2022-04-18 16:32:44,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:44,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:44,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:44,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:44,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418990248] [2022-04-18 16:32:44,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418990248] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:44,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:44,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:44,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122083698] [2022-04-18 16:32:44,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:44,133 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:44,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:44,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:44,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:44,137 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 425 out of 455 [2022-04-18 16:32:44,138 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 414 transitions, 838 flow. Second operand has 3 states, 3 states have (on average 426.3333333333333) internal successors, (1279), 3 states have internal predecessors, (1279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:44,138 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:44,138 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 425 of 455 [2022-04-18 16:32:44,138 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:44,384 INFO L129 PetriNetUnfolder]: 110/1421 cut-off events. [2022-04-18 16:32:44,385 INFO L130 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-04-18 16:32:44,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1538 conditions, 1421 events. 110/1421 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 9832 event pairs, 36 based on Foata normal form. 0/1179 useless extension candidates. Maximal degree in co-relation 1460. Up to 96 conditions per place. [2022-04-18 16:32:44,420 INFO L132 encePairwiseOnDemand]: 452/455 looper letters, 18 selfloop transitions, 2 changer transitions 0/413 dead transitions. [2022-04-18 16:32:44,421 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 413 transitions, 876 flow [2022-04-18 16:32:44,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:44,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:44,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1296 transitions. [2022-04-18 16:32:44,424 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9494505494505494 [2022-04-18 16:32:44,425 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1296 transitions. [2022-04-18 16:32:44,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1296 transitions. [2022-04-18 16:32:44,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:44,426 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1296 transitions. [2022-04-18 16:32:44,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 432.0) internal successors, (1296), 3 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:44,431 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:44,432 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:44,432 INFO L186 Difference]: Start difference. First operand has 402 places, 414 transitions, 838 flow. Second operand 3 states and 1296 transitions. [2022-04-18 16:32:44,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 413 transitions, 876 flow [2022-04-18 16:32:44,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 413 transitions, 872 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:44,440 INFO L242 Difference]: Finished difference. Result has 401 places, 413 transitions, 836 flow [2022-04-18 16:32:44,440 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=836, PETRI_PLACES=401, PETRI_TRANSITIONS=413} [2022-04-18 16:32:44,441 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -13 predicate places. [2022-04-18 16:32:44,441 INFO L478 AbstractCegarLoop]: Abstraction has has 401 places, 413 transitions, 836 flow [2022-04-18 16:32:44,442 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 426.3333333333333) internal successors, (1279), 3 states have internal predecessors, (1279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:44,442 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:44,442 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:44,442 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 16:32:44,442 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:44,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:44,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1437940045, now seen corresponding path program 1 times [2022-04-18 16:32:44,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:44,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750749151] [2022-04-18 16:32:44,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:44,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:44,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:44,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:44,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750749151] [2022-04-18 16:32:44,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750749151] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:44,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:44,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:44,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234715620] [2022-04-18 16:32:44,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:44,471 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:44,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:44,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:44,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:44,474 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 455 [2022-04-18 16:32:44,476 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 413 transitions, 836 flow. Second operand has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:44,476 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:44,476 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 455 [2022-04-18 16:32:44,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:44,786 INFO L129 PetriNetUnfolder]: 218/1852 cut-off events. [2022-04-18 16:32:44,787 INFO L130 PetriNetUnfolder]: For 65/73 co-relation queries the response was YES. [2022-04-18 16:32:44,815 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2125 conditions, 1852 events. 218/1852 cut-off events. For 65/73 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 14297 event pairs, 132 based on Foata normal form. 0/1562 useless extension candidates. Maximal degree in co-relation 2041. Up to 258 conditions per place. [2022-04-18 16:32:44,829 INFO L132 encePairwiseOnDemand]: 452/455 looper letters, 21 selfloop transitions, 2 changer transitions 0/412 dead transitions. [2022-04-18 16:32:44,829 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 412 transitions, 880 flow [2022-04-18 16:32:44,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:44,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:44,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1290 transitions. [2022-04-18 16:32:44,832 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.945054945054945 [2022-04-18 16:32:44,832 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1290 transitions. [2022-04-18 16:32:44,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1290 transitions. [2022-04-18 16:32:44,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:44,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1290 transitions. [2022-04-18 16:32:44,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 430.0) internal successors, (1290), 3 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:44,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:44,839 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:44,840 INFO L186 Difference]: Start difference. First operand has 401 places, 413 transitions, 836 flow. Second operand 3 states and 1290 transitions. [2022-04-18 16:32:44,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 412 transitions, 880 flow [2022-04-18 16:32:44,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 412 transitions, 876 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:44,847 INFO L242 Difference]: Finished difference. Result has 400 places, 412 transitions, 834 flow [2022-04-18 16:32:44,848 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=834, PETRI_PLACES=400, PETRI_TRANSITIONS=412} [2022-04-18 16:32:44,848 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -14 predicate places. [2022-04-18 16:32:44,849 INFO L478 AbstractCegarLoop]: Abstraction has has 400 places, 412 transitions, 834 flow [2022-04-18 16:32:44,850 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:44,850 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:44,850 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:44,850 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-18 16:32:44,850 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:44,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:44,851 INFO L85 PathProgramCache]: Analyzing trace with hash -387084982, now seen corresponding path program 1 times [2022-04-18 16:32:44,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:44,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287546443] [2022-04-18 16:32:44,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:44,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:44,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:44,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:44,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287546443] [2022-04-18 16:32:44,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287546443] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:44,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:44,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:44,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919901505] [2022-04-18 16:32:44,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:44,881 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:44,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:44,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:44,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:44,883 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 455 [2022-04-18 16:32:44,885 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 412 transitions, 834 flow. Second operand has 3 states, 3 states have (on average 432.6666666666667) internal successors, (1298), 3 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:44,885 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:44,885 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 455 [2022-04-18 16:32:44,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:45,022 INFO L129 PetriNetUnfolder]: 86/1118 cut-off events. [2022-04-18 16:32:45,022 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-04-18 16:32:45,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1184 conditions, 1118 events. 86/1118 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 6974 event pairs, 6 based on Foata normal form. 0/924 useless extension candidates. Maximal degree in co-relation 1093. Up to 43 conditions per place. [2022-04-18 16:32:45,046 INFO L132 encePairwiseOnDemand]: 451/455 looper letters, 14 selfloop transitions, 2 changer transitions 0/414 dead transitions. [2022-04-18 16:32:45,046 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 414 transitions, 872 flow [2022-04-18 16:32:45,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:45,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:45,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1311 transitions. [2022-04-18 16:32:45,050 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9604395604395605 [2022-04-18 16:32:45,050 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1311 transitions. [2022-04-18 16:32:45,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1311 transitions. [2022-04-18 16:32:45,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:45,051 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1311 transitions. [2022-04-18 16:32:45,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 437.0) internal successors, (1311), 3 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:45,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:45,056 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:45,056 INFO L186 Difference]: Start difference. First operand has 400 places, 412 transitions, 834 flow. Second operand 3 states and 1311 transitions. [2022-04-18 16:32:45,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 414 transitions, 872 flow [2022-04-18 16:32:45,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 414 transitions, 868 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:45,063 INFO L242 Difference]: Finished difference. Result has 399 places, 412 transitions, 840 flow [2022-04-18 16:32:45,064 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=840, PETRI_PLACES=399, PETRI_TRANSITIONS=412} [2022-04-18 16:32:45,065 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -15 predicate places. [2022-04-18 16:32:45,065 INFO L478 AbstractCegarLoop]: Abstraction has has 399 places, 412 transitions, 840 flow [2022-04-18 16:32:45,065 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.6666666666667) internal successors, (1298), 3 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:45,065 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:45,065 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:45,066 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-18 16:32:45,066 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:45,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:45,066 INFO L85 PathProgramCache]: Analyzing trace with hash 339534709, now seen corresponding path program 1 times [2022-04-18 16:32:45,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:45,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834442541] [2022-04-18 16:32:45,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:45,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:45,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:45,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:45,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834442541] [2022-04-18 16:32:45,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834442541] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:45,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:45,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:45,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497520597] [2022-04-18 16:32:45,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:45,092 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:45,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:45,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:45,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:45,095 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 455 [2022-04-18 16:32:45,096 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 412 transitions, 840 flow. Second operand has 3 states, 3 states have (on average 429.6666666666667) internal successors, (1289), 3 states have internal predecessors, (1289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:45,096 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:45,096 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 455 [2022-04-18 16:32:45,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:45,264 INFO L129 PetriNetUnfolder]: 93/1190 cut-off events. [2022-04-18 16:32:45,265 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-04-18 16:32:45,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1264 conditions, 1190 events. 93/1190 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 7199 event pairs, 8 based on Foata normal form. 0/989 useless extension candidates. Maximal degree in co-relation 1076. Up to 49 conditions per place. [2022-04-18 16:32:45,293 INFO L132 encePairwiseOnDemand]: 449/455 looper letters, 16 selfloop transitions, 3 changer transitions 0/414 dead transitions. [2022-04-18 16:32:45,293 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 414 transitions, 884 flow [2022-04-18 16:32:45,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:45,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:45,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1306 transitions. [2022-04-18 16:32:45,297 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9567765567765568 [2022-04-18 16:32:45,297 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1306 transitions. [2022-04-18 16:32:45,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1306 transitions. [2022-04-18 16:32:45,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:45,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1306 transitions. [2022-04-18 16:32:45,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:45,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:45,303 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:45,303 INFO L186 Difference]: Start difference. First operand has 399 places, 412 transitions, 840 flow. Second operand 3 states and 1306 transitions. [2022-04-18 16:32:45,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 414 transitions, 884 flow [2022-04-18 16:32:45,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 414 transitions, 884 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:32:45,311 INFO L242 Difference]: Finished difference. Result has 399 places, 412 transitions, 855 flow [2022-04-18 16:32:45,311 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=855, PETRI_PLACES=399, PETRI_TRANSITIONS=412} [2022-04-18 16:32:45,312 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -15 predicate places. [2022-04-18 16:32:45,312 INFO L478 AbstractCegarLoop]: Abstraction has has 399 places, 412 transitions, 855 flow [2022-04-18 16:32:45,312 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.6666666666667) internal successors, (1289), 3 states have internal predecessors, (1289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:45,313 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:45,313 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:45,313 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-18 16:32:45,313 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:45,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:45,314 INFO L85 PathProgramCache]: Analyzing trace with hash 431587444, now seen corresponding path program 1 times [2022-04-18 16:32:45,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:45,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703339644] [2022-04-18 16:32:45,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:45,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:45,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:45,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:45,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703339644] [2022-04-18 16:32:45,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703339644] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:45,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:45,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:45,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103853307] [2022-04-18 16:32:45,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:45,340 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:45,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:45,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:45,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:45,342 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 455 [2022-04-18 16:32:45,343 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 412 transitions, 855 flow. Second operand has 3 states, 3 states have (on average 432.6666666666667) internal successors, (1298), 3 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:45,343 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:45,343 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 455 [2022-04-18 16:32:45,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:45,550 INFO L129 PetriNetUnfolder]: 92/1449 cut-off events. [2022-04-18 16:32:45,550 INFO L130 PetriNetUnfolder]: For 11/16 co-relation queries the response was YES. [2022-04-18 16:32:45,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1545 conditions, 1449 events. 92/1449 cut-off events. For 11/16 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 10580 event pairs, 4 based on Foata normal form. 1/1237 useless extension candidates. Maximal degree in co-relation 1264. Up to 53 conditions per place. [2022-04-18 16:32:45,578 INFO L132 encePairwiseOnDemand]: 451/455 looper letters, 17 selfloop transitions, 2 changer transitions 0/417 dead transitions. [2022-04-18 16:32:45,578 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 417 transitions, 908 flow [2022-04-18 16:32:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:45,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:45,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1314 transitions. [2022-04-18 16:32:45,582 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9626373626373627 [2022-04-18 16:32:45,582 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1314 transitions. [2022-04-18 16:32:45,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1314 transitions. [2022-04-18 16:32:45,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:45,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1314 transitions. [2022-04-18 16:32:45,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 438.0) internal successors, (1314), 3 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:45,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:45,588 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:45,588 INFO L186 Difference]: Start difference. First operand has 399 places, 412 transitions, 855 flow. Second operand 3 states and 1314 transitions. [2022-04-18 16:32:45,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 417 transitions, 908 flow [2022-04-18 16:32:45,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 417 transitions, 908 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:32:45,595 INFO L242 Difference]: Finished difference. Result has 400 places, 412 transitions, 865 flow [2022-04-18 16:32:45,596 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=851, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=865, PETRI_PLACES=400, PETRI_TRANSITIONS=412} [2022-04-18 16:32:45,596 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -14 predicate places. [2022-04-18 16:32:45,596 INFO L478 AbstractCegarLoop]: Abstraction has has 400 places, 412 transitions, 865 flow [2022-04-18 16:32:45,597 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.6666666666667) internal successors, (1298), 3 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:45,597 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:45,597 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:45,597 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-18 16:32:45,597 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:45,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:45,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1709476417, now seen corresponding path program 1 times [2022-04-18 16:32:45,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:45,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306092173] [2022-04-18 16:32:45,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:45,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:45,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:45,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:45,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306092173] [2022-04-18 16:32:45,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306092173] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:45,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:45,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:45,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789194907] [2022-04-18 16:32:45,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:45,623 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:45,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:45,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:45,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:45,626 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 455 [2022-04-18 16:32:45,627 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 412 transitions, 865 flow. Second operand has 3 states, 3 states have (on average 429.6666666666667) internal successors, (1289), 3 states have internal predecessors, (1289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:45,627 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:45,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 455 [2022-04-18 16:32:45,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:45,904 INFO L129 PetriNetUnfolder]: 101/1685 cut-off events. [2022-04-18 16:32:45,905 INFO L130 PetriNetUnfolder]: For 23/26 co-relation queries the response was YES. [2022-04-18 16:32:45,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1804 conditions, 1685 events. 101/1685 cut-off events. For 23/26 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 11776 event pairs, 8 based on Foata normal form. 1/1447 useless extension candidates. Maximal degree in co-relation 1597. Up to 69 conditions per place. [2022-04-18 16:32:45,949 INFO L132 encePairwiseOnDemand]: 449/455 looper letters, 19 selfloop transitions, 3 changer transitions 0/417 dead transitions. [2022-04-18 16:32:45,949 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 417 transitions, 924 flow [2022-04-18 16:32:45,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:45,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:45,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1309 transitions. [2022-04-18 16:32:45,953 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.958974358974359 [2022-04-18 16:32:45,953 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1309 transitions. [2022-04-18 16:32:45,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1309 transitions. [2022-04-18 16:32:45,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:45,954 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1309 transitions. [2022-04-18 16:32:45,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 436.3333333333333) internal successors, (1309), 3 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:45,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:45,959 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:45,959 INFO L186 Difference]: Start difference. First operand has 400 places, 412 transitions, 865 flow. Second operand 3 states and 1309 transitions. [2022-04-18 16:32:45,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 417 transitions, 924 flow [2022-04-18 16:32:45,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 417 transitions, 924 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:32:45,967 INFO L242 Difference]: Finished difference. Result has 400 places, 412 transitions, 880 flow [2022-04-18 16:32:45,967 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=859, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=880, PETRI_PLACES=400, PETRI_TRANSITIONS=412} [2022-04-18 16:32:45,968 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -14 predicate places. [2022-04-18 16:32:45,968 INFO L478 AbstractCegarLoop]: Abstraction has has 400 places, 412 transitions, 880 flow [2022-04-18 16:32:45,969 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.6666666666667) internal successors, (1289), 3 states have internal predecessors, (1289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:45,969 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:45,969 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:45,969 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-18 16:32:45,969 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:45,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:45,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1545357941, now seen corresponding path program 1 times [2022-04-18 16:32:45,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:45,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211665872] [2022-04-18 16:32:45,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:45,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:45,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:45,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:45,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211665872] [2022-04-18 16:32:45,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211665872] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:46,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:46,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:46,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899231576] [2022-04-18 16:32:46,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:46,000 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:46,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:46,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:46,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:46,003 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 425 out of 455 [2022-04-18 16:32:46,004 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 412 transitions, 880 flow. Second operand has 3 states, 3 states have (on average 427.0) internal successors, (1281), 3 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:46,004 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:46,004 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 425 of 455 [2022-04-18 16:32:46,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:46,693 INFO L129 PetriNetUnfolder]: 463/5646 cut-off events. [2022-04-18 16:32:46,694 INFO L130 PetriNetUnfolder]: For 69/81 co-relation queries the response was YES. [2022-04-18 16:32:46,737 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6128 conditions, 5646 events. 463/5646 cut-off events. For 69/81 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 62259 event pairs, 60 based on Foata normal form. 0/4813 useless extension candidates. Maximal degree in co-relation 5183. Up to 323 conditions per place. [2022-04-18 16:32:46,755 INFO L132 encePairwiseOnDemand]: 447/455 looper letters, 18 selfloop transitions, 4 changer transitions 0/414 dead transitions. [2022-04-18 16:32:46,756 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 414 transitions, 930 flow [2022-04-18 16:32:46,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:46,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:46,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1301 transitions. [2022-04-18 16:32:46,762 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9531135531135531 [2022-04-18 16:32:46,762 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1301 transitions. [2022-04-18 16:32:46,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1301 transitions. [2022-04-18 16:32:46,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:46,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1301 transitions. [2022-04-18 16:32:46,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 433.6666666666667) internal successors, (1301), 3 states have internal predecessors, (1301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:46,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:46,770 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:46,770 INFO L186 Difference]: Start difference. First operand has 400 places, 412 transitions, 880 flow. Second operand 3 states and 1301 transitions. [2022-04-18 16:32:46,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 414 transitions, 930 flow [2022-04-18 16:32:46,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 414 transitions, 930 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:32:46,777 INFO L242 Difference]: Finished difference. Result has 399 places, 412 transitions, 900 flow [2022-04-18 16:32:46,778 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=872, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=900, PETRI_PLACES=399, PETRI_TRANSITIONS=412} [2022-04-18 16:32:46,778 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -15 predicate places. [2022-04-18 16:32:46,779 INFO L478 AbstractCegarLoop]: Abstraction has has 399 places, 412 transitions, 900 flow [2022-04-18 16:32:46,779 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.0) internal successors, (1281), 3 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:46,779 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:46,779 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:46,780 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-18 16:32:46,780 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:46,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:46,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1922796315, now seen corresponding path program 1 times [2022-04-18 16:32:46,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:46,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536358812] [2022-04-18 16:32:46,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:46,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:46,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:46,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:46,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536358812] [2022-04-18 16:32:46,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536358812] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:46,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:46,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:46,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397971040] [2022-04-18 16:32:46,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:46,817 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:46,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:46,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:46,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:46,819 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 432 out of 455 [2022-04-18 16:32:46,820 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 412 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 433.3333333333333) internal successors, (1300), 3 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:46,820 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:46,820 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 432 of 455 [2022-04-18 16:32:46,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:47,225 INFO L129 PetriNetUnfolder]: 186/2912 cut-off events. [2022-04-18 16:32:47,226 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-04-18 16:32:47,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3165 conditions, 2912 events. 186/2912 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 27698 event pairs, 8 based on Foata normal form. 0/2500 useless extension candidates. Maximal degree in co-relation 2750. Up to 66 conditions per place. [2022-04-18 16:32:47,275 INFO L132 encePairwiseOnDemand]: 452/455 looper letters, 13 selfloop transitions, 2 changer transitions 0/413 dead transitions. [2022-04-18 16:32:47,275 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 413 transitions, 934 flow [2022-04-18 16:32:47,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:47,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:47,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1312 transitions. [2022-04-18 16:32:47,279 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9611721611721612 [2022-04-18 16:32:47,279 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1312 transitions. [2022-04-18 16:32:47,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1312 transitions. [2022-04-18 16:32:47,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:47,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1312 transitions. [2022-04-18 16:32:47,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 437.3333333333333) internal successors, (1312), 3 states have internal predecessors, (1312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:47,284 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:47,285 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:47,285 INFO L186 Difference]: Start difference. First operand has 399 places, 412 transitions, 900 flow. Second operand 3 states and 1312 transitions. [2022-04-18 16:32:47,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 413 transitions, 934 flow [2022-04-18 16:32:47,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 413 transitions, 934 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:32:47,294 INFO L242 Difference]: Finished difference. Result has 400 places, 411 transitions, 902 flow [2022-04-18 16:32:47,295 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=902, PETRI_PLACES=400, PETRI_TRANSITIONS=411} [2022-04-18 16:32:47,296 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -14 predicate places. [2022-04-18 16:32:47,296 INFO L478 AbstractCegarLoop]: Abstraction has has 400 places, 411 transitions, 902 flow [2022-04-18 16:32:47,297 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 433.3333333333333) internal successors, (1300), 3 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:47,297 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:47,297 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:47,297 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-18 16:32:47,297 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:47,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:47,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1554019358, now seen corresponding path program 1 times [2022-04-18 16:32:47,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:47,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970436334] [2022-04-18 16:32:47,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:47,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:47,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:47,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:47,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970436334] [2022-04-18 16:32:47,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970436334] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:47,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:47,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:47,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960735392] [2022-04-18 16:32:47,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:47,333 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:47,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:47,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:47,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:47,335 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 455 [2022-04-18 16:32:47,337 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 411 transitions, 902 flow. Second operand has 3 states, 3 states have (on average 432.6666666666667) internal successors, (1298), 3 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:47,337 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:47,337 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 455 [2022-04-18 16:32:47,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:47,868 INFO L129 PetriNetUnfolder]: 149/2889 cut-off events. [2022-04-18 16:32:47,869 INFO L130 PetriNetUnfolder]: For 27/35 co-relation queries the response was YES. [2022-04-18 16:32:47,916 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3127 conditions, 2889 events. 149/2889 cut-off events. For 27/35 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 25932 event pairs, 4 based on Foata normal form. 2/2525 useless extension candidates. Maximal degree in co-relation 2663. Up to 68 conditions per place. [2022-04-18 16:32:47,930 INFO L132 encePairwiseOnDemand]: 451/455 looper letters, 17 selfloop transitions, 2 changer transitions 0/416 dead transitions. [2022-04-18 16:32:47,931 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 416 transitions, 955 flow [2022-04-18 16:32:47,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:47,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:47,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1314 transitions. [2022-04-18 16:32:47,935 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9626373626373627 [2022-04-18 16:32:47,935 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1314 transitions. [2022-04-18 16:32:47,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1314 transitions. [2022-04-18 16:32:47,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:47,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1314 transitions. [2022-04-18 16:32:47,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 438.0) internal successors, (1314), 3 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:47,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:47,941 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:47,941 INFO L186 Difference]: Start difference. First operand has 400 places, 411 transitions, 902 flow. Second operand 3 states and 1314 transitions. [2022-04-18 16:32:47,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 416 transitions, 955 flow [2022-04-18 16:32:47,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 416 transitions, 951 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:47,949 INFO L242 Difference]: Finished difference. Result has 399 places, 411 transitions, 908 flow [2022-04-18 16:32:47,950 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=894, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=908, PETRI_PLACES=399, PETRI_TRANSITIONS=411} [2022-04-18 16:32:47,950 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -15 predicate places. [2022-04-18 16:32:47,950 INFO L478 AbstractCegarLoop]: Abstraction has has 399 places, 411 transitions, 908 flow [2022-04-18 16:32:47,951 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.6666666666667) internal successors, (1298), 3 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:47,951 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:47,951 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:47,951 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-18 16:32:47,952 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:47,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:47,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1236051141, now seen corresponding path program 1 times [2022-04-18 16:32:47,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:47,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286355041] [2022-04-18 16:32:47,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:47,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:47,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:47,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:47,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286355041] [2022-04-18 16:32:47,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286355041] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:47,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:47,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:47,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977807500] [2022-04-18 16:32:47,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:47,988 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:47,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:47,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:47,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:47,991 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 455 [2022-04-18 16:32:47,992 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 411 transitions, 908 flow. Second operand has 3 states, 3 states have (on average 432.6666666666667) internal successors, (1298), 3 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:47,992 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:47,992 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 455 [2022-04-18 16:32:47,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:48,593 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1291] thread2EXIT-->L79-7: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem50#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} AuxVars[] AssignedVars[][382], [Black: 477#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 484#(= |#race~is_null_3~0| 0), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 492#true, 513#(= |#race~filename_4~0| 0), 334#L56-33true, 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, Black: 506#true]) [2022-04-18 16:32:48,593 INFO L384 tUnfolder$Statistics]: this new event has 217 ancestors and is cut-off event [2022-04-18 16:32:48,593 INFO L387 tUnfolder$Statistics]: existing Event has 217 ancestors and is cut-off event [2022-04-18 16:32:48,593 INFO L387 tUnfolder$Statistics]: existing Event has 209 ancestors and is cut-off event [2022-04-18 16:32:48,593 INFO L387 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-04-18 16:32:48,593 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1291] thread2EXIT-->L79-7: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem50#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} AuxVars[] AssignedVars[][382], [Black: 477#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), 80#L56-32true, 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 484#(= |#race~is_null_3~0| 0), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 492#true, 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, Black: 506#true]) [2022-04-18 16:32:48,594 INFO L384 tUnfolder$Statistics]: this new event has 216 ancestors and is cut-off event [2022-04-18 16:32:48,594 INFO L387 tUnfolder$Statistics]: existing Event has 208 ancestors and is cut-off event [2022-04-18 16:32:48,594 INFO L387 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-04-18 16:32:48,594 INFO L387 tUnfolder$Statistics]: existing Event has 216 ancestors and is cut-off event [2022-04-18 16:32:48,681 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1291] thread2EXIT-->L79-7: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem50#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} AuxVars[] AssignedVars[][382], [Black: 477#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), 80#L56-32true, 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 484#(= |#race~is_null_3~0| 0), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 492#true, 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, Black: 506#true]) [2022-04-18 16:32:48,681 INFO L384 tUnfolder$Statistics]: this new event has 208 ancestors and is not cut-off event [2022-04-18 16:32:48,681 INFO L387 tUnfolder$Statistics]: existing Event has 208 ancestors and is not cut-off event [2022-04-18 16:32:48,681 INFO L387 tUnfolder$Statistics]: existing Event has 242 ancestors and is not cut-off event [2022-04-18 16:32:48,681 INFO L387 tUnfolder$Statistics]: existing Event has 216 ancestors and is not cut-off event [2022-04-18 16:32:48,681 INFO L387 tUnfolder$Statistics]: existing Event has 216 ancestors and is not cut-off event [2022-04-18 16:32:48,681 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1291] thread2EXIT-->L79-7: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem50#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} AuxVars[] AssignedVars[][382], [Black: 477#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 484#(= |#race~is_null_3~0| 0), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 492#true, 513#(= |#race~filename_4~0| 0), 334#L56-33true, 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, Black: 506#true]) [2022-04-18 16:32:48,681 INFO L384 tUnfolder$Statistics]: this new event has 209 ancestors and is cut-off event [2022-04-18 16:32:48,681 INFO L387 tUnfolder$Statistics]: existing Event has 217 ancestors and is cut-off event [2022-04-18 16:32:48,682 INFO L387 tUnfolder$Statistics]: existing Event has 209 ancestors and is cut-off event [2022-04-18 16:32:48,682 INFO L387 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-04-18 16:32:48,682 INFO L387 tUnfolder$Statistics]: existing Event has 217 ancestors and is cut-off event [2022-04-18 16:32:48,714 INFO L129 PetriNetUnfolder]: 161/3829 cut-off events. [2022-04-18 16:32:48,714 INFO L130 PetriNetUnfolder]: For 63/83 co-relation queries the response was YES. [2022-04-18 16:32:48,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4131 conditions, 3829 events. 161/3829 cut-off events. For 63/83 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 35020 event pairs, 14 based on Foata normal form. 0/3393 useless extension candidates. Maximal degree in co-relation 3656. Up to 140 conditions per place. [2022-04-18 16:32:48,763 INFO L132 encePairwiseOnDemand]: 451/455 looper letters, 17 selfloop transitions, 2 changer transitions 0/416 dead transitions. [2022-04-18 16:32:48,763 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 416 transitions, 961 flow [2022-04-18 16:32:48,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:48,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:48,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1314 transitions. [2022-04-18 16:32:48,767 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9626373626373627 [2022-04-18 16:32:48,767 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1314 transitions. [2022-04-18 16:32:48,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1314 transitions. [2022-04-18 16:32:48,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:48,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1314 transitions. [2022-04-18 16:32:48,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 438.0) internal successors, (1314), 3 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:48,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:48,772 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:48,772 INFO L186 Difference]: Start difference. First operand has 399 places, 411 transitions, 908 flow. Second operand 3 states and 1314 transitions. [2022-04-18 16:32:48,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 416 transitions, 961 flow [2022-04-18 16:32:48,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 416 transitions, 961 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:32:48,779 INFO L242 Difference]: Finished difference. Result has 400 places, 411 transitions, 918 flow [2022-04-18 16:32:48,780 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=904, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=918, PETRI_PLACES=400, PETRI_TRANSITIONS=411} [2022-04-18 16:32:48,780 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -14 predicate places. [2022-04-18 16:32:48,780 INFO L478 AbstractCegarLoop]: Abstraction has has 400 places, 411 transitions, 918 flow [2022-04-18 16:32:48,781 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.6666666666667) internal successors, (1298), 3 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:48,781 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:48,781 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:48,781 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-18 16:32:48,781 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:48,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:48,782 INFO L85 PathProgramCache]: Analyzing trace with hash -479003549, now seen corresponding path program 1 times [2022-04-18 16:32:48,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:48,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108185759] [2022-04-18 16:32:48,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:48,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:48,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:48,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:48,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108185759] [2022-04-18 16:32:48,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108185759] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:48,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:48,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:48,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357132318] [2022-04-18 16:32:48,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:48,824 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:48,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:48,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:48,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:48,826 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 425 out of 455 [2022-04-18 16:32:48,827 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 411 transitions, 918 flow. Second operand has 3 states, 3 states have (on average 427.0) internal successors, (1281), 3 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:48,827 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:48,827 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 425 of 455 [2022-04-18 16:32:48,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:49,967 INFO L129 PetriNetUnfolder]: 558/8591 cut-off events. [2022-04-18 16:32:49,967 INFO L130 PetriNetUnfolder]: For 145/163 co-relation queries the response was YES. [2022-04-18 16:32:50,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9554 conditions, 8591 events. 558/8591 cut-off events. For 145/163 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 102156 event pairs, 76 based on Foata normal form. 1/7680 useless extension candidates. Maximal degree in co-relation 8456. Up to 616 conditions per place. [2022-04-18 16:32:50,071 INFO L132 encePairwiseOnDemand]: 447/455 looper letters, 20 selfloop transitions, 4 changer transitions 0/415 dead transitions. [2022-04-18 16:32:50,071 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 415 transitions, 978 flow [2022-04-18 16:32:50,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:50,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:50,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1303 transitions. [2022-04-18 16:32:50,074 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9545787545787546 [2022-04-18 16:32:50,074 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1303 transitions. [2022-04-18 16:32:50,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1303 transitions. [2022-04-18 16:32:50,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:50,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1303 transitions. [2022-04-18 16:32:50,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 434.3333333333333) internal successors, (1303), 3 states have internal predecessors, (1303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:50,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:50,079 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:50,080 INFO L186 Difference]: Start difference. First operand has 400 places, 411 transitions, 918 flow. Second operand 3 states and 1303 transitions. [2022-04-18 16:32:50,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 415 transitions, 978 flow [2022-04-18 16:32:50,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 415 transitions, 978 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:32:50,087 INFO L242 Difference]: Finished difference. Result has 399 places, 411 transitions, 938 flow [2022-04-18 16:32:50,087 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=910, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=938, PETRI_PLACES=399, PETRI_TRANSITIONS=411} [2022-04-18 16:32:50,088 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -15 predicate places. [2022-04-18 16:32:50,088 INFO L478 AbstractCegarLoop]: Abstraction has has 399 places, 411 transitions, 938 flow [2022-04-18 16:32:50,088 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.0) internal successors, (1281), 3 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:50,089 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:50,089 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:50,089 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-18 16:32:50,089 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:50,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:50,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1902123053, now seen corresponding path program 1 times [2022-04-18 16:32:50,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:50,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510827566] [2022-04-18 16:32:50,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:50,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:50,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:50,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:50,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510827566] [2022-04-18 16:32:50,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510827566] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:50,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:50,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:50,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873017180] [2022-04-18 16:32:50,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:50,115 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:50,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:50,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:50,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:50,118 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 455 [2022-04-18 16:32:50,119 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 411 transitions, 938 flow. Second operand has 3 states, 3 states have (on average 430.6666666666667) internal successors, (1292), 3 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:50,119 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:50,119 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 455 [2022-04-18 16:32:50,119 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:50,948 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][388], [Black: 477#true, Black: 511#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 484#(= |#race~is_null_3~0| 0), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 492#true, 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, 518#(= 0 |#race~filename_is_null_8~0|), 521#true, 340#L80-7true, Black: 506#true]) [2022-04-18 16:32:50,948 INFO L384 tUnfolder$Statistics]: this new event has 267 ancestors and is cut-off event [2022-04-18 16:32:50,948 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:50,949 INFO L387 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-04-18 16:32:50,949 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:50,959 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][388], [Black: 477#true, Black: 511#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 484#(= |#race~is_null_3~0| 0), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 492#true, 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, 518#(= 0 |#race~filename_is_null_8~0|), 521#true, 340#L80-7true, Black: 506#true]) [2022-04-18 16:32:50,959 INFO L384 tUnfolder$Statistics]: this new event has 233 ancestors and is not cut-off event [2022-04-18 16:32:50,959 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:50,960 INFO L387 tUnfolder$Statistics]: existing Event has 233 ancestors and is not cut-off event [2022-04-18 16:32:50,960 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:50,960 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:50,972 INFO L129 PetriNetUnfolder]: 328/6582 cut-off events. [2022-04-18 16:32:50,972 INFO L130 PetriNetUnfolder]: For 67/169 co-relation queries the response was YES. [2022-04-18 16:32:51,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7436 conditions, 6582 events. 328/6582 cut-off events. For 67/169 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 72691 event pairs, 34 based on Foata normal form. 7/5891 useless extension candidates. Maximal degree in co-relation 6286. Up to 190 conditions per place. [2022-04-18 16:32:51,075 INFO L132 encePairwiseOnDemand]: 452/455 looper letters, 16 selfloop transitions, 2 changer transitions 0/412 dead transitions. [2022-04-18 16:32:51,075 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 412 transitions, 978 flow [2022-04-18 16:32:51,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:51,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:51,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1306 transitions. [2022-04-18 16:32:51,078 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9567765567765568 [2022-04-18 16:32:51,078 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1306 transitions. [2022-04-18 16:32:51,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1306 transitions. [2022-04-18 16:32:51,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:51,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1306 transitions. [2022-04-18 16:32:51,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:51,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:51,083 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:51,083 INFO L186 Difference]: Start difference. First operand has 399 places, 411 transitions, 938 flow. Second operand 3 states and 1306 transitions. [2022-04-18 16:32:51,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 412 transitions, 978 flow [2022-04-18 16:32:51,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 412 transitions, 978 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:32:51,091 INFO L242 Difference]: Finished difference. Result has 400 places, 410 transitions, 940 flow [2022-04-18 16:32:51,091 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=936, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=940, PETRI_PLACES=400, PETRI_TRANSITIONS=410} [2022-04-18 16:32:51,092 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -14 predicate places. [2022-04-18 16:32:51,092 INFO L478 AbstractCegarLoop]: Abstraction has has 400 places, 410 transitions, 940 flow [2022-04-18 16:32:51,092 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 430.6666666666667) internal successors, (1292), 3 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:51,092 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:51,093 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:51,093 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-04-18 16:32:51,093 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:51,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:51,094 INFO L85 PathProgramCache]: Analyzing trace with hash 76075330, now seen corresponding path program 1 times [2022-04-18 16:32:51,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:51,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665052087] [2022-04-18 16:32:51,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:51,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:51,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:51,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:51,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665052087] [2022-04-18 16:32:51,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665052087] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:51,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:51,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:32:51,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881528097] [2022-04-18 16:32:51,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:51,223 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:32:51,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:51,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:32:51,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:32:51,226 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 455 [2022-04-18 16:32:51,228 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 410 transitions, 940 flow. Second operand has 6 states, 6 states have (on average 418.0) internal successors, (2508), 6 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:51,228 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:51,228 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 455 [2022-04-18 16:32:51,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:51,868 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][385], [Black: 477#true, 511#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 484#(= |#race~is_null_3~0| 0), 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 487#true, 499#(= |#race~is_null_6~0| 0), Black: 492#true, 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, 506#true, 518#(= 0 |#race~filename_is_null_8~0|), 521#true, 340#L80-7true]) [2022-04-18 16:32:51,868 INFO L384 tUnfolder$Statistics]: this new event has 207 ancestors and is not cut-off event [2022-04-18 16:32:51,868 INFO L387 tUnfolder$Statistics]: existing Event has 207 ancestors and is not cut-off event [2022-04-18 16:32:51,868 INFO L387 tUnfolder$Statistics]: existing Event has 215 ancestors and is not cut-off event [2022-04-18 16:32:51,868 INFO L387 tUnfolder$Statistics]: existing Event has 207 ancestors and is not cut-off event [2022-04-18 16:32:51,875 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][385], [Black: 477#true, Black: 511#true, Black: 482#true, 494#(= 0 |#race~filename_is_null_5~0|), Black: 516#true, 479#(= |#race~is_null_0~0| 0), 484#(= |#race~is_null_3~0| 0), Black: 487#true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 492#true, 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, 518#(= 0 |#race~filename_is_null_8~0|), 521#true, 340#L80-7true, Black: 506#true]) [2022-04-18 16:32:51,876 INFO L384 tUnfolder$Statistics]: this new event has 267 ancestors and is cut-off event [2022-04-18 16:32:51,876 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:51,876 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:51,876 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:51,876 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][385], [Black: 477#true, Black: 511#true, Black: 482#true, 494#(= 0 |#race~filename_is_null_5~0|), 479#(= |#race~is_null_0~0| 0), Black: 516#true, 484#(= |#race~is_null_3~0| 0), Black: 487#true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 492#true, 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, 518#(= 0 |#race~filename_is_null_8~0|), 521#true, 340#L80-7true, Black: 506#true]) [2022-04-18 16:32:51,876 INFO L384 tUnfolder$Statistics]: this new event has 233 ancestors and is cut-off event [2022-04-18 16:32:51,876 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:51,876 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:51,877 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:51,877 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:51,877 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][385], [Black: 477#true, Black: 511#true, Black: 482#true, 494#(= 0 |#race~filename_is_null_5~0|), Black: 516#true, 479#(= |#race~is_null_0~0| 0), 484#(= |#race~is_null_3~0| 0), Black: 487#true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 492#true, 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, 518#(= 0 |#race~filename_is_null_8~0|), 521#true, 340#L80-7true, Black: 506#true]) [2022-04-18 16:32:51,877 INFO L384 tUnfolder$Statistics]: this new event has 241 ancestors and is cut-off event [2022-04-18 16:32:51,877 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:51,877 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:51,877 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:51,877 INFO L387 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-04-18 16:32:51,877 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:51,884 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][385], [Black: 477#true, Black: 511#true, Black: 482#true, 494#(= 0 |#race~filename_is_null_5~0|), 479#(= |#race~is_null_0~0| 0), Black: 516#true, 484#(= |#race~is_null_3~0| 0), Black: 487#true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 492#true, 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, 518#(= 0 |#race~filename_is_null_8~0|), 521#true, 340#L80-7true, Black: 506#true]) [2022-04-18 16:32:51,884 INFO L384 tUnfolder$Statistics]: this new event has 233 ancestors and is not cut-off event [2022-04-18 16:32:51,885 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:51,885 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:51,885 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:51,885 INFO L387 tUnfolder$Statistics]: existing Event has 233 ancestors and is not cut-off event [2022-04-18 16:32:51,885 INFO L387 tUnfolder$Statistics]: existing Event has 241 ancestors and is not cut-off event [2022-04-18 16:32:51,885 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:51,895 INFO L129 PetriNetUnfolder]: 172/4050 cut-off events. [2022-04-18 16:32:51,895 INFO L130 PetriNetUnfolder]: For 5/57 co-relation queries the response was YES. [2022-04-18 16:32:51,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4530 conditions, 4050 events. 172/4050 cut-off events. For 5/57 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 39355 event pairs, 0 based on Foata normal form. 20/3632 useless extension candidates. Maximal degree in co-relation 3962. Up to 104 conditions per place. [2022-04-18 16:32:51,972 INFO L132 encePairwiseOnDemand]: 450/455 looper letters, 23 selfloop transitions, 4 changer transitions 0/409 dead transitions. [2022-04-18 16:32:51,973 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 409 transitions, 992 flow [2022-04-18 16:32:51,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:32:51,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:32:51,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2524 transitions. [2022-04-18 16:32:51,990 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9245421245421246 [2022-04-18 16:32:51,990 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2524 transitions. [2022-04-18 16:32:51,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2524 transitions. [2022-04-18 16:32:51,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:51,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2524 transitions. [2022-04-18 16:32:51,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 420.6666666666667) internal successors, (2524), 6 states have internal predecessors, (2524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:52,000 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 455.0) internal successors, (3185), 7 states have internal predecessors, (3185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:52,003 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 455.0) internal successors, (3185), 7 states have internal predecessors, (3185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:52,003 INFO L186 Difference]: Start difference. First operand has 400 places, 410 transitions, 940 flow. Second operand 6 states and 2524 transitions. [2022-04-18 16:32:52,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 409 transitions, 992 flow [2022-04-18 16:32:52,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 409 transitions, 988 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:52,014 INFO L242 Difference]: Finished difference. Result has 402 places, 409 transitions, 942 flow [2022-04-18 16:32:52,015 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=934, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=942, PETRI_PLACES=402, PETRI_TRANSITIONS=409} [2022-04-18 16:32:52,017 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -12 predicate places. [2022-04-18 16:32:52,017 INFO L478 AbstractCegarLoop]: Abstraction has has 402 places, 409 transitions, 942 flow [2022-04-18 16:32:52,018 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 418.0) internal successors, (2508), 6 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:52,018 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:52,018 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:52,018 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-18 16:32:52,018 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:52,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:52,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1691518300, now seen corresponding path program 1 times [2022-04-18 16:32:52,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:52,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926598403] [2022-04-18 16:32:52,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:52,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:52,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:52,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:52,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926598403] [2022-04-18 16:32:52,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926598403] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:52,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:52,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:52,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278955316] [2022-04-18 16:32:52,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:52,050 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:52,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:52,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:52,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:52,053 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 455 [2022-04-18 16:32:52,055 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 409 transitions, 942 flow. Second operand has 3 states, 3 states have (on average 433.0) internal successors, (1299), 3 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:52,055 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:52,055 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 455 [2022-04-18 16:32:52,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:52,910 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][388], [Black: 477#true, 511#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 484#(= |#race~is_null_3~0| 0), 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 487#true, 499#(= |#race~is_null_6~0| 0), Black: 492#true, 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, 506#true, 518#(= 0 |#race~filename_is_null_8~0|), 532#true, 340#L80-7true]) [2022-04-18 16:32:52,910 INFO L384 tUnfolder$Statistics]: this new event has 207 ancestors and is not cut-off event [2022-04-18 16:32:52,910 INFO L387 tUnfolder$Statistics]: existing Event has 215 ancestors and is not cut-off event [2022-04-18 16:32:52,910 INFO L387 tUnfolder$Statistics]: existing Event has 207 ancestors and is not cut-off event [2022-04-18 16:32:52,910 INFO L387 tUnfolder$Statistics]: existing Event has 207 ancestors and is not cut-off event [2022-04-18 16:32:52,954 INFO L129 PetriNetUnfolder]: 289/6508 cut-off events. [2022-04-18 16:32:52,954 INFO L130 PetriNetUnfolder]: For 93/104 co-relation queries the response was YES. [2022-04-18 16:32:53,093 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7194 conditions, 6508 events. 289/6508 cut-off events. For 93/104 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 70271 event pairs, 20 based on Foata normal form. 2/5933 useless extension candidates. Maximal degree in co-relation 6856. Up to 300 conditions per place. [2022-04-18 16:32:53,105 INFO L132 encePairwiseOnDemand]: 451/455 looper letters, 16 selfloop transitions, 2 changer transitions 0/413 dead transitions. [2022-04-18 16:32:53,105 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 413 transitions, 990 flow [2022-04-18 16:32:53,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:53,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:53,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1313 transitions. [2022-04-18 16:32:53,108 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9619047619047619 [2022-04-18 16:32:53,108 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1313 transitions. [2022-04-18 16:32:53,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1313 transitions. [2022-04-18 16:32:53,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:53,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1313 transitions. [2022-04-18 16:32:53,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 437.6666666666667) internal successors, (1313), 3 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:53,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:53,127 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:53,128 INFO L186 Difference]: Start difference. First operand has 402 places, 409 transitions, 942 flow. Second operand 3 states and 1313 transitions. [2022-04-18 16:32:53,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 413 transitions, 990 flow [2022-04-18 16:32:53,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 413 transitions, 983 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:32:53,135 INFO L242 Difference]: Finished difference. Result has 399 places, 409 transitions, 945 flow [2022-04-18 16:32:53,135 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=931, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=945, PETRI_PLACES=399, PETRI_TRANSITIONS=409} [2022-04-18 16:32:53,136 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -15 predicate places. [2022-04-18 16:32:53,136 INFO L478 AbstractCegarLoop]: Abstraction has has 399 places, 409 transitions, 945 flow [2022-04-18 16:32:53,137 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 433.0) internal successors, (1299), 3 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:53,137 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:53,137 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:53,137 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-18 16:32:53,137 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:53,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:53,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1132854627, now seen corresponding path program 1 times [2022-04-18 16:32:53,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:53,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99766004] [2022-04-18 16:32:53,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:53,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:53,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:53,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:53,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99766004] [2022-04-18 16:32:53,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99766004] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:53,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:53,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:53,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961940052] [2022-04-18 16:32:53,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:53,161 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:53,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:53,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:53,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:53,163 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 455 [2022-04-18 16:32:53,164 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 409 transitions, 945 flow. Second operand has 3 states, 3 states have (on average 431.0) internal successors, (1293), 3 states have internal predecessors, (1293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:53,165 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:53,165 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 455 [2022-04-18 16:32:53,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:53,760 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1221] L56-46-->L56-47: Formula: true InVars {} OutVars{thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_#t~nondet24#1][247], [Black: 477#true, 511#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 484#(= |#race~is_null_3~0| 0), 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 487#true, 499#(= |#race~is_null_6~0| 0), 537#true, Black: 492#true, 489#(= 0 |#race~filename_is_null_2~0|), 291#L56-47true, Black: 497#true, 506#true, 518#(= 0 |#race~filename_is_null_8~0|), 532#true]) [2022-04-18 16:32:53,760 INFO L384 tUnfolder$Statistics]: this new event has 187 ancestors and is not cut-off event [2022-04-18 16:32:53,760 INFO L387 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-04-18 16:32:53,761 INFO L387 tUnfolder$Statistics]: existing Event has 187 ancestors and is not cut-off event [2022-04-18 16:32:53,761 INFO L387 tUnfolder$Statistics]: existing Event has 187 ancestors and is not cut-off event [2022-04-18 16:32:53,816 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1291] thread2EXIT-->L79-7: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem50#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} AuxVars[] AssignedVars[][375], [Black: 477#true, Black: 511#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 484#(= |#race~is_null_3~0| 0), 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), 537#true, Black: 492#true, 534#(= |#race~filename_7~0| 0), 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, 291#L56-47true, Black: 532#true, 518#(= 0 |#race~filename_is_null_8~0|), Black: 506#true]) [2022-04-18 16:32:53,816 INFO L384 tUnfolder$Statistics]: this new event has 239 ancestors and is cut-off event [2022-04-18 16:32:53,816 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is cut-off event [2022-04-18 16:32:53,816 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-04-18 16:32:53,816 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-04-18 16:32:53,826 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1291] thread2EXIT-->L79-7: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem50#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} AuxVars[] AssignedVars[][375], [Black: 477#true, Black: 511#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 484#(= |#race~is_null_3~0| 0), 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 492#true, 537#true, 513#(= |#race~filename_4~0| 0), 534#(= |#race~filename_7~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, 291#L56-47true, Black: 532#true, 518#(= 0 |#race~filename_is_null_8~0|), Black: 506#true]) [2022-04-18 16:32:53,826 INFO L384 tUnfolder$Statistics]: this new event has 247 ancestors and is cut-off event [2022-04-18 16:32:53,826 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-04-18 16:32:53,827 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is cut-off event [2022-04-18 16:32:53,827 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-04-18 16:32:53,827 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-04-18 16:32:53,828 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1291] thread2EXIT-->L79-7: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem50#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} AuxVars[] AssignedVars[][377], [Black: 477#true, Black: 511#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 484#(= |#race~is_null_3~0| 0), 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 487#true, 108#L56-48true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 492#true, 513#(= |#race~filename_4~0| 0), 534#(= |#race~filename_7~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, Black: 532#true, 518#(= 0 |#race~filename_is_null_8~0|), 539#(= |thread3Thread1of1ForFork1_#t~nondet24#1| |#race~result_11~0|), Black: 506#true]) [2022-04-18 16:32:53,828 INFO L384 tUnfolder$Statistics]: this new event has 248 ancestors and is cut-off event [2022-04-18 16:32:53,829 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is cut-off event [2022-04-18 16:32:53,829 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:32:53,829 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:32:53,830 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1291] thread2EXIT-->L79-7: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem50#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} AuxVars[] AssignedVars[][377], [Black: 477#true, Black: 511#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 484#(= |#race~is_null_3~0| 0), 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 492#true, 297#L56-49true, 513#(= |#race~filename_4~0| 0), 534#(= |#race~filename_7~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, Black: 532#true, 518#(= 0 |#race~filename_is_null_8~0|), 539#(= |thread3Thread1of1ForFork1_#t~nondet24#1| |#race~result_11~0|), Black: 506#true]) [2022-04-18 16:32:53,830 INFO L384 tUnfolder$Statistics]: this new event has 249 ancestors and is cut-off event [2022-04-18 16:32:53,830 INFO L387 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-04-18 16:32:53,830 INFO L387 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-04-18 16:32:53,830 INFO L387 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-04-18 16:32:53,838 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1291] thread2EXIT-->L79-7: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem50#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} AuxVars[] AssignedVars[][375], [Black: 477#true, Black: 511#true, 162#L58true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 484#(= |#race~is_null_3~0| 0), 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 492#true, 537#true, 513#(= |#race~filename_4~0| 0), 534#(= |#race~filename_7~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, Black: 532#true, 518#(= 0 |#race~filename_is_null_8~0|), Black: 506#true]) [2022-04-18 16:32:53,838 INFO L384 tUnfolder$Statistics]: this new event has 257 ancestors and is cut-off event [2022-04-18 16:32:53,838 INFO L387 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-04-18 16:32:53,838 INFO L387 tUnfolder$Statistics]: existing Event has 257 ancestors and is cut-off event [2022-04-18 16:32:53,838 INFO L387 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-04-18 16:32:53,839 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1221] L56-46-->L56-47: Formula: true InVars {} OutVars{thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_#t~nondet24#1][247], [Black: 477#true, Black: 511#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 484#(= |#race~is_null_3~0| 0), 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 492#true, 537#true, 534#(= |#race~filename_7~0| 0), 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, 291#L56-47true, Black: 532#true, 518#(= 0 |#race~filename_is_null_8~0|), Black: 506#true]) [2022-04-18 16:32:53,839 INFO L384 tUnfolder$Statistics]: this new event has 273 ancestors and is cut-off event [2022-04-18 16:32:53,839 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is cut-off event [2022-04-18 16:32:53,839 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-04-18 16:32:53,839 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is cut-off event [2022-04-18 16:32:53,839 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1221] L56-46-->L56-47: Formula: true InVars {} OutVars{thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_#t~nondet24#1][247], [Black: 477#true, Black: 511#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 484#(= |#race~is_null_3~0| 0), 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 492#true, 537#true, 534#(= |#race~filename_7~0| 0), 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, 291#L56-47true, Black: 532#true, 518#(= 0 |#race~filename_is_null_8~0|), Black: 506#true]) [2022-04-18 16:32:53,839 INFO L384 tUnfolder$Statistics]: this new event has 247 ancestors and is cut-off event [2022-04-18 16:32:53,839 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is cut-off event [2022-04-18 16:32:53,839 INFO L387 tUnfolder$Statistics]: existing Event has 273 ancestors and is cut-off event [2022-04-18 16:32:53,840 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-04-18 16:32:53,840 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is cut-off event [2022-04-18 16:32:53,840 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1221] L56-46-->L56-47: Formula: true InVars {} OutVars{thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_#t~nondet24#1][247], [Black: 477#true, Black: 511#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 484#(= |#race~is_null_3~0| 0), 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), 537#true, Black: 492#true, 534#(= |#race~filename_7~0| 0), 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, 291#L56-47true, Black: 532#true, 518#(= 0 |#race~filename_is_null_8~0|), Black: 506#true]) [2022-04-18 16:32:53,840 INFO L384 tUnfolder$Statistics]: this new event has 239 ancestors and is cut-off event [2022-04-18 16:32:53,840 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is cut-off event [2022-04-18 16:32:53,840 INFO L387 tUnfolder$Statistics]: existing Event has 273 ancestors and is cut-off event [2022-04-18 16:32:53,840 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is cut-off event [2022-04-18 16:32:53,840 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-04-18 16:32:53,840 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is cut-off event [2022-04-18 16:32:53,848 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1221] L56-46-->L56-47: Formula: true InVars {} OutVars{thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_#t~nondet24#1][247], [Black: 477#true, Black: 511#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 484#(= |#race~is_null_3~0| 0), 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), 537#true, Black: 492#true, 534#(= |#race~filename_7~0| 0), 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, 291#L56-47true, Black: 532#true, 518#(= 0 |#race~filename_is_null_8~0|), Black: 506#true]) [2022-04-18 16:32:53,848 INFO L384 tUnfolder$Statistics]: this new event has 239 ancestors and is not cut-off event [2022-04-18 16:32:53,848 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is not cut-off event [2022-04-18 16:32:53,848 INFO L387 tUnfolder$Statistics]: existing Event has 273 ancestors and is not cut-off event [2022-04-18 16:32:53,848 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is not cut-off event [2022-04-18 16:32:53,848 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is not cut-off event [2022-04-18 16:32:53,848 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is not cut-off event [2022-04-18 16:32:53,848 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is not cut-off event [2022-04-18 16:32:53,848 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1291] thread2EXIT-->L79-7: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem50#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} AuxVars[] AssignedVars[][377], [Black: 477#true, Black: 511#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 484#(= |#race~is_null_3~0| 0), 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 108#L56-48true, Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 492#true, 534#(= |#race~filename_7~0| 0), 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, Black: 532#true, 518#(= 0 |#race~filename_is_null_8~0|), 539#(= |thread3Thread1of1ForFork1_#t~nondet24#1| |#race~result_11~0|), Black: 506#true]) [2022-04-18 16:32:53,848 INFO L384 tUnfolder$Statistics]: this new event has 240 ancestors and is cut-off event [2022-04-18 16:32:53,848 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is cut-off event [2022-04-18 16:32:53,848 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is cut-off event [2022-04-18 16:32:53,848 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:32:53,848 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:32:53,849 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1291] thread2EXIT-->L79-7: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem50#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} AuxVars[] AssignedVars[][377], [Black: 477#true, Black: 511#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 484#(= |#race~is_null_3~0| 0), 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 492#true, 534#(= |#race~filename_7~0| 0), 513#(= |#race~filename_4~0| 0), 297#L56-49true, 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, Black: 532#true, 518#(= 0 |#race~filename_is_null_8~0|), 539#(= |thread3Thread1of1ForFork1_#t~nondet24#1| |#race~result_11~0|), Black: 506#true]) [2022-04-18 16:32:53,849 INFO L384 tUnfolder$Statistics]: this new event has 241 ancestors and is cut-off event [2022-04-18 16:32:53,849 INFO L387 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-04-18 16:32:53,850 INFO L387 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-04-18 16:32:53,850 INFO L387 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-04-18 16:32:53,850 INFO L387 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-04-18 16:32:53,855 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1291] thread2EXIT-->L79-7: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem50#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} AuxVars[] AssignedVars[][375], [Black: 477#true, Black: 511#true, 162#L58true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 484#(= |#race~is_null_3~0| 0), 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), 537#true, Black: 492#true, 534#(= |#race~filename_7~0| 0), 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, Black: 532#true, 518#(= 0 |#race~filename_is_null_8~0|), Black: 506#true]) [2022-04-18 16:32:53,855 INFO L384 tUnfolder$Statistics]: this new event has 249 ancestors and is cut-off event [2022-04-18 16:32:53,855 INFO L387 tUnfolder$Statistics]: existing Event has 257 ancestors and is cut-off event [2022-04-18 16:32:53,855 INFO L387 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-04-18 16:32:53,855 INFO L387 tUnfolder$Statistics]: existing Event has 257 ancestors and is cut-off event [2022-04-18 16:32:53,855 INFO L387 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-04-18 16:32:53,859 INFO L129 PetriNetUnfolder]: 444/5393 cut-off events. [2022-04-18 16:32:53,859 INFO L130 PetriNetUnfolder]: For 280/330 co-relation queries the response was YES. [2022-04-18 16:32:53,924 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6744 conditions, 5393 events. 444/5393 cut-off events. For 280/330 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 58776 event pairs, 96 based on Foata normal form. 0/4926 useless extension candidates. Maximal degree in co-relation 6619. Up to 507 conditions per place. [2022-04-18 16:32:53,940 INFO L132 encePairwiseOnDemand]: 452/455 looper letters, 15 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2022-04-18 16:32:53,940 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 410 transitions, 983 flow [2022-04-18 16:32:53,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:53,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:53,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1305 transitions. [2022-04-18 16:32:53,943 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9560439560439561 [2022-04-18 16:32:53,943 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1305 transitions. [2022-04-18 16:32:53,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1305 transitions. [2022-04-18 16:32:53,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:53,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1305 transitions. [2022-04-18 16:32:53,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 435.0) internal successors, (1305), 3 states have internal predecessors, (1305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:53,949 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:53,949 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:53,949 INFO L186 Difference]: Start difference. First operand has 399 places, 409 transitions, 945 flow. Second operand 3 states and 1305 transitions. [2022-04-18 16:32:53,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 410 transitions, 983 flow [2022-04-18 16:32:53,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 410 transitions, 983 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:32:53,958 INFO L242 Difference]: Finished difference. Result has 400 places, 408 transitions, 947 flow [2022-04-18 16:32:53,958 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=943, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=947, PETRI_PLACES=400, PETRI_TRANSITIONS=408} [2022-04-18 16:32:53,958 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -14 predicate places. [2022-04-18 16:32:53,959 INFO L478 AbstractCegarLoop]: Abstraction has has 400 places, 408 transitions, 947 flow [2022-04-18 16:32:53,959 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 431.0) internal successors, (1293), 3 states have internal predecessors, (1293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:53,959 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:53,959 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:53,960 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-04-18 16:32:53,960 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:53,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:53,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1038399899, now seen corresponding path program 1 times [2022-04-18 16:32:53,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:53,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170301141] [2022-04-18 16:32:53,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:53,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:54,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:54,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:54,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170301141] [2022-04-18 16:32:54,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170301141] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:54,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:54,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:32:54,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740751033] [2022-04-18 16:32:54,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:54,055 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:32:54,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:54,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:32:54,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:32:54,058 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 455 [2022-04-18 16:32:54,059 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 408 transitions, 947 flow. Second operand has 6 states, 6 states have (on average 419.0) internal successors, (2514), 6 states have internal predecessors, (2514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:54,059 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:54,060 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 455 [2022-04-18 16:32:54,060 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:54,621 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][383], [Black: 477#true, 511#true, Black: 482#true, 494#(= 0 |#race~filename_is_null_5~0|), 479#(= |#race~is_null_0~0| 0), Black: 516#true, 484#(= |#race~is_null_3~0| 0), 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 487#true, 499#(= |#race~is_null_6~0| 0), 537#true, Black: 492#true, 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, 506#true, 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 518#(= 0 |#race~filename_is_null_8~0|), 532#true, 340#L80-7true]) [2022-04-18 16:32:54,621 INFO L384 tUnfolder$Statistics]: this new event has 207 ancestors and is not cut-off event [2022-04-18 16:32:54,621 INFO L387 tUnfolder$Statistics]: existing Event has 207 ancestors and is not cut-off event [2022-04-18 16:32:54,621 INFO L387 tUnfolder$Statistics]: existing Event has 215 ancestors and is not cut-off event [2022-04-18 16:32:54,621 INFO L387 tUnfolder$Statistics]: existing Event has 207 ancestors and is not cut-off event [2022-04-18 16:32:54,636 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][383], [Black: 477#true, Black: 511#true, Black: 482#true, 494#(= 0 |#race~filename_is_null_5~0|), 479#(= |#race~is_null_0~0| 0), Black: 516#true, 484#(= |#race~is_null_3~0| 0), Black: 487#true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 492#true, 537#true, 534#(= |#race~filename_7~0| 0), 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, Black: 532#true, 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 518#(= 0 |#race~filename_is_null_8~0|), 340#L80-7true, Black: 506#true]) [2022-04-18 16:32:54,636 INFO L384 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-04-18 16:32:54,636 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:54,636 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:54,636 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:54,636 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][383], [Black: 477#true, Black: 511#true, Black: 482#true, 494#(= 0 |#race~filename_is_null_5~0|), 479#(= |#race~is_null_0~0| 0), Black: 516#true, 484#(= |#race~is_null_3~0| 0), Black: 487#true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 492#true, 537#true, 534#(= |#race~filename_7~0| 0), 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, Black: 532#true, 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 518#(= 0 |#race~filename_is_null_8~0|), 340#L80-7true, Black: 506#true]) [2022-04-18 16:32:54,636 INFO L384 tUnfolder$Statistics]: this new event has 267 ancestors and is cut-off event [2022-04-18 16:32:54,636 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:54,636 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:54,636 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:54,636 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:54,637 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][383], [Black: 477#true, Black: 511#true, Black: 482#true, 494#(= 0 |#race~filename_is_null_5~0|), 479#(= |#race~is_null_0~0| 0), Black: 516#true, 484#(= |#race~is_null_3~0| 0), Black: 487#true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 492#true, 537#true, 534#(= |#race~filename_7~0| 0), 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, Black: 532#true, 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 518#(= 0 |#race~filename_is_null_8~0|), 340#L80-7true, Black: 506#true]) [2022-04-18 16:32:54,637 INFO L384 tUnfolder$Statistics]: this new event has 293 ancestors and is cut-off event [2022-04-18 16:32:54,637 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:54,637 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:54,637 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:54,637 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:54,637 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:54,647 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][383], [Black: 477#true, Black: 511#true, Black: 482#true, 494#(= 0 |#race~filename_is_null_5~0|), 479#(= |#race~is_null_0~0| 0), Black: 516#true, 484#(= |#race~is_null_3~0| 0), 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), 537#true, Black: 492#true, 513#(= |#race~filename_4~0| 0), 534#(= |#race~filename_7~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 532#true, 518#(= 0 |#race~filename_is_null_8~0|), 340#L80-7true, Black: 506#true]) [2022-04-18 16:32:54,647 INFO L384 tUnfolder$Statistics]: this new event has 259 ancestors and is not cut-off event [2022-04-18 16:32:54,647 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:54,648 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:54,648 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:54,648 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:54,648 INFO L387 tUnfolder$Statistics]: existing Event has 293 ancestors and is not cut-off event [2022-04-18 16:32:54,648 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:54,650 INFO L129 PetriNetUnfolder]: 182/4368 cut-off events. [2022-04-18 16:32:54,650 INFO L130 PetriNetUnfolder]: For 5/55 co-relation queries the response was YES. [2022-04-18 16:32:54,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5112 conditions, 4368 events. 182/4368 cut-off events. For 5/55 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 42916 event pairs, 0 based on Foata normal form. 8/4032 useless extension candidates. Maximal degree in co-relation 4979. Up to 107 conditions per place. [2022-04-18 16:32:54,705 INFO L132 encePairwiseOnDemand]: 450/455 looper letters, 22 selfloop transitions, 4 changer transitions 0/407 dead transitions. [2022-04-18 16:32:54,705 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 407 transitions, 997 flow [2022-04-18 16:32:54,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:32:54,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:32:54,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2523 transitions. [2022-04-18 16:32:54,710 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9241758241758242 [2022-04-18 16:32:54,710 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2523 transitions. [2022-04-18 16:32:54,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2523 transitions. [2022-04-18 16:32:54,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:54,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2523 transitions. [2022-04-18 16:32:54,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 420.5) internal successors, (2523), 6 states have internal predecessors, (2523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:54,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 455.0) internal successors, (3185), 7 states have internal predecessors, (3185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:54,719 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 455.0) internal successors, (3185), 7 states have internal predecessors, (3185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:54,719 INFO L186 Difference]: Start difference. First operand has 400 places, 408 transitions, 947 flow. Second operand 6 states and 2523 transitions. [2022-04-18 16:32:54,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 407 transitions, 997 flow [2022-04-18 16:32:54,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 407 transitions, 993 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:54,731 INFO L242 Difference]: Finished difference. Result has 402 places, 407 transitions, 949 flow [2022-04-18 16:32:54,731 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=941, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=949, PETRI_PLACES=402, PETRI_TRANSITIONS=407} [2022-04-18 16:32:54,732 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -12 predicate places. [2022-04-18 16:32:54,732 INFO L478 AbstractCegarLoop]: Abstraction has has 402 places, 407 transitions, 949 flow [2022-04-18 16:32:54,732 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 419.0) internal successors, (2514), 6 states have internal predecessors, (2514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:54,732 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:54,733 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:54,733 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-04-18 16:32:54,733 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:54,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:54,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1934554105, now seen corresponding path program 1 times [2022-04-18 16:32:54,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:54,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988787226] [2022-04-18 16:32:54,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:54,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:54,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:54,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:54,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988787226] [2022-04-18 16:32:54,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988787226] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:54,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:54,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 16:32:54,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284086011] [2022-04-18 16:32:54,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:54,798 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:54,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:54,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:54,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:54,800 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 455 [2022-04-18 16:32:54,801 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 407 transitions, 949 flow. Second operand has 3 states, 3 states have (on average 437.0) internal successors, (1311), 3 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:54,801 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:54,802 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 455 [2022-04-18 16:32:54,802 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:55,599 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][390], [Black: 477#true, Black: 511#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), 494#(= 0 |#race~filename_is_null_5~0|), Black: 516#true, 484#(= |#race~is_null_3~0| 0), 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 487#true, 508#(= |#race~filename_1~0| 0), 548#true, 499#(= |#race~is_null_6~0| 0), Black: 492#true, 534#(= |#race~filename_7~0| 0), 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, Black: 532#true, 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 518#(= 0 |#race~filename_is_null_8~0|), 340#L80-7true, Black: 506#true]) [2022-04-18 16:32:55,599 INFO L384 tUnfolder$Statistics]: this new event has 267 ancestors and is cut-off event [2022-04-18 16:32:55,599 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:55,599 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:55,599 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:55,618 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][390], [Black: 477#true, Black: 511#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), 494#(= 0 |#race~filename_is_null_5~0|), Black: 516#true, 484#(= |#race~is_null_3~0| 0), 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 487#true, 508#(= |#race~filename_1~0| 0), 548#true, 499#(= |#race~is_null_6~0| 0), Black: 492#true, 534#(= |#race~filename_7~0| 0), 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, Black: 532#true, 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 518#(= 0 |#race~filename_is_null_8~0|), 340#L80-7true, Black: 506#true]) [2022-04-18 16:32:55,618 INFO L384 tUnfolder$Statistics]: this new event has 259 ancestors and is not cut-off event [2022-04-18 16:32:55,618 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:55,618 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:55,618 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:55,618 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:55,622 INFO L129 PetriNetUnfolder]: 311/7374 cut-off events. [2022-04-18 16:32:55,622 INFO L130 PetriNetUnfolder]: For 64/71 co-relation queries the response was YES. [2022-04-18 16:32:55,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8276 conditions, 7374 events. 311/7374 cut-off events. For 64/71 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 79953 event pairs, 10 based on Foata normal form. 1/6800 useless extension candidates. Maximal degree in co-relation 7424. Up to 156 conditions per place. [2022-04-18 16:32:55,718 INFO L132 encePairwiseOnDemand]: 451/455 looper letters, 17 selfloop transitions, 2 changer transitions 0/414 dead transitions. [2022-04-18 16:32:55,718 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 414 transitions, 1006 flow [2022-04-18 16:32:55,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:55,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:55,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1323 transitions. [2022-04-18 16:32:55,721 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9692307692307692 [2022-04-18 16:32:55,721 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1323 transitions. [2022-04-18 16:32:55,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1323 transitions. [2022-04-18 16:32:55,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:55,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1323 transitions. [2022-04-18 16:32:55,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 441.0) internal successors, (1323), 3 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:55,725 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:55,725 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:55,726 INFO L186 Difference]: Start difference. First operand has 402 places, 407 transitions, 949 flow. Second operand 3 states and 1323 transitions. [2022-04-18 16:32:55,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 414 transitions, 1006 flow [2022-04-18 16:32:55,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 414 transitions, 999 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:32:55,734 INFO L242 Difference]: Finished difference. Result has 402 places, 409 transitions, 962 flow [2022-04-18 16:32:55,734 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=942, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=962, PETRI_PLACES=402, PETRI_TRANSITIONS=409} [2022-04-18 16:32:55,735 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -12 predicate places. [2022-04-18 16:32:55,735 INFO L478 AbstractCegarLoop]: Abstraction has has 402 places, 409 transitions, 962 flow [2022-04-18 16:32:55,735 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 437.0) internal successors, (1311), 3 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:55,735 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:55,736 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:55,736 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-04-18 16:32:55,736 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:55,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:55,736 INFO L85 PathProgramCache]: Analyzing trace with hash 676390473, now seen corresponding path program 2 times [2022-04-18 16:32:55,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:55,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025078435] [2022-04-18 16:32:55,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:55,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:55,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:55,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:55,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025078435] [2022-04-18 16:32:55,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025078435] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:55,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:55,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 16:32:55,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290194400] [2022-04-18 16:32:55,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:55,771 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:55,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:55,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:55,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:55,773 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 455 [2022-04-18 16:32:55,774 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 409 transitions, 962 flow. Second operand has 3 states, 3 states have (on average 437.0) internal successors, (1311), 3 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:55,774 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:55,774 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 455 [2022-04-18 16:32:55,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:56,415 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][392], [Black: 477#true, Black: 511#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), 494#(= 0 |#race~filename_is_null_5~0|), Black: 516#true, Black: 550#(not (= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0)), 484#(= |#race~is_null_3~0| 0), 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), 548#true, Black: 492#true, 513#(= |#race~filename_4~0| 0), 556#(= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0), 534#(= |#race~filename_7~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 532#true, 518#(= 0 |#race~filename_is_null_8~0|), 340#L80-7true, Black: 506#true]) [2022-04-18 16:32:56,416 INFO L384 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-04-18 16:32:56,416 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:56,416 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:56,416 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:56,429 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][392], [Black: 477#true, Black: 511#true, Black: 482#true, 479#(= |#race~is_null_0~0| 0), 494#(= 0 |#race~filename_is_null_5~0|), Black: 516#true, Black: 550#(not (= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0)), 484#(= |#race~is_null_3~0| 0), Black: 487#true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), 548#true, Black: 492#true, 513#(= |#race~filename_4~0| 0), 534#(= |#race~filename_7~0| 0), 556#(= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 532#true, 518#(= 0 |#race~filename_is_null_8~0|), 340#L80-7true, Black: 506#true]) [2022-04-18 16:32:56,430 INFO L384 tUnfolder$Statistics]: this new event has 259 ancestors and is not cut-off event [2022-04-18 16:32:56,430 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:56,430 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:56,430 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:56,430 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:56,432 INFO L129 PetriNetUnfolder]: 269/6246 cut-off events. [2022-04-18 16:32:56,433 INFO L130 PetriNetUnfolder]: For 97/112 co-relation queries the response was YES. [2022-04-18 16:32:56,519 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7034 conditions, 6246 events. 269/6246 cut-off events. For 97/112 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 64714 event pairs, 10 based on Foata normal form. 7/5797 useless extension candidates. Maximal degree in co-relation 6147. Up to 142 conditions per place. [2022-04-18 16:32:56,535 INFO L132 encePairwiseOnDemand]: 449/455 looper letters, 17 selfloop transitions, 4 changer transitions 0/416 dead transitions. [2022-04-18 16:32:56,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 416 transitions, 1027 flow [2022-04-18 16:32:56,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:56,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:56,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1323 transitions. [2022-04-18 16:32:56,538 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9692307692307692 [2022-04-18 16:32:56,538 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1323 transitions. [2022-04-18 16:32:56,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1323 transitions. [2022-04-18 16:32:56,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:56,539 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1323 transitions. [2022-04-18 16:32:56,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 441.0) internal successors, (1323), 3 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:56,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:56,542 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:56,542 INFO L186 Difference]: Start difference. First operand has 402 places, 409 transitions, 962 flow. Second operand 3 states and 1323 transitions. [2022-04-18 16:32:56,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 416 transitions, 1027 flow [2022-04-18 16:32:56,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 416 transitions, 1025 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:32:56,550 INFO L242 Difference]: Finished difference. Result has 405 places, 411 transitions, 992 flow [2022-04-18 16:32:56,551 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=960, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=992, PETRI_PLACES=405, PETRI_TRANSITIONS=411} [2022-04-18 16:32:56,551 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -9 predicate places. [2022-04-18 16:32:56,552 INFO L478 AbstractCegarLoop]: Abstraction has has 405 places, 411 transitions, 992 flow [2022-04-18 16:32:56,552 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 437.0) internal successors, (1311), 3 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:56,552 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:56,552 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:56,553 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-04-18 16:32:56,553 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:56,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:56,553 INFO L85 PathProgramCache]: Analyzing trace with hash 466906418, now seen corresponding path program 1 times [2022-04-18 16:32:56,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:56,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289453983] [2022-04-18 16:32:56,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:56,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:56,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:56,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:56,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289453983] [2022-04-18 16:32:56,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289453983] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:56,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:56,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:32:56,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968822949] [2022-04-18 16:32:56,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:56,656 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:32:56,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:56,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:32:56,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:32:56,658 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 455 [2022-04-18 16:32:56,660 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 411 transitions, 992 flow. Second operand has 6 states, 6 states have (on average 420.0) internal successors, (2520), 6 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:56,660 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:56,660 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 455 [2022-04-18 16:32:56,660 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:57,165 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][386], [Black: 477#true, 511#true, 565#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 482#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), Black: 550#(not (= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0)), 484#(= |#race~is_null_3~0| 0), Black: 487#true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 499#(= |#race~is_null_6~0| 0), Black: 554#true, Black: 492#true, 556#(= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, 506#true, 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 518#(= 0 |#race~filename_is_null_8~0|), 532#true, 340#L80-7true]) [2022-04-18 16:32:57,165 INFO L384 tUnfolder$Statistics]: this new event has 207 ancestors and is not cut-off event [2022-04-18 16:32:57,166 INFO L387 tUnfolder$Statistics]: existing Event has 207 ancestors and is not cut-off event [2022-04-18 16:32:57,166 INFO L387 tUnfolder$Statistics]: existing Event has 207 ancestors and is not cut-off event [2022-04-18 16:32:57,166 INFO L387 tUnfolder$Statistics]: existing Event has 215 ancestors and is not cut-off event [2022-04-18 16:32:57,192 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][386], [Black: 511#true, 479#(= |#race~is_null_0~0| 0), 494#(= 0 |#race~filename_is_null_5~0|), Black: 516#true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 534#(= |#race~filename_7~0| 0), 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 532#true, 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 477#true, 565#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 482#true, Black: 550#(not (= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0)), 484#(= |#race~is_null_3~0| 0), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 554#true, Black: 492#true, 556#(= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0), Black: 497#true, 518#(= 0 |#race~filename_is_null_8~0|), 340#L80-7true, Black: 506#true]) [2022-04-18 16:32:57,192 INFO L384 tUnfolder$Statistics]: this new event has 267 ancestors and is cut-off event [2022-04-18 16:32:57,192 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:57,192 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:57,192 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:57,193 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][386], [Black: 511#true, 479#(= |#race~is_null_0~0| 0), 494#(= 0 |#race~filename_is_null_5~0|), Black: 516#true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 513#(= |#race~filename_4~0| 0), 534#(= |#race~filename_7~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 532#true, Black: 477#true, 565#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 482#true, Black: 550#(not (= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0)), 484#(= |#race~is_null_3~0| 0), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 554#true, Black: 492#true, 556#(= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0), Black: 497#true, 518#(= 0 |#race~filename_is_null_8~0|), 340#L80-7true, Black: 506#true]) [2022-04-18 16:32:57,193 INFO L384 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-04-18 16:32:57,193 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:57,193 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:57,193 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:57,193 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:57,193 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][386], [Black: 511#true, 479#(= |#race~is_null_0~0| 0), 494#(= 0 |#race~filename_is_null_5~0|), Black: 516#true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 534#(= |#race~filename_7~0| 0), 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 532#true, Black: 477#true, 565#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 482#true, Black: 550#(not (= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0)), 484#(= |#race~is_null_3~0| 0), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 554#true, Black: 492#true, 556#(= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0), Black: 497#true, 518#(= 0 |#race~filename_is_null_8~0|), 340#L80-7true, Black: 506#true]) [2022-04-18 16:32:57,193 INFO L384 tUnfolder$Statistics]: this new event has 293 ancestors and is cut-off event [2022-04-18 16:32:57,193 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:57,194 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:57,194 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:57,194 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:57,194 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:57,203 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][386], [Black: 511#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 534#(= |#race~filename_7~0| 0), 513#(= |#race~filename_4~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 532#true, 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 477#true, 565#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 482#true, Black: 550#(not (= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0)), 484#(= |#race~is_null_3~0| 0), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 554#true, Black: 492#true, 556#(= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0), Black: 497#true, 518#(= 0 |#race~filename_is_null_8~0|), 340#L80-7true, Black: 506#true]) [2022-04-18 16:32:57,203 INFO L384 tUnfolder$Statistics]: this new event has 259 ancestors and is not cut-off event [2022-04-18 16:32:57,203 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:57,203 INFO L387 tUnfolder$Statistics]: existing Event has 293 ancestors and is not cut-off event [2022-04-18 16:32:57,203 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:57,203 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:57,203 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:57,203 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:57,205 INFO L129 PetriNetUnfolder]: 177/4406 cut-off events. [2022-04-18 16:32:57,205 INFO L130 PetriNetUnfolder]: For 22/87 co-relation queries the response was YES. [2022-04-18 16:32:57,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5013 conditions, 4406 events. 177/4406 cut-off events. For 22/87 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 43148 event pairs, 0 based on Foata normal form. 0/4062 useless extension candidates. Maximal degree in co-relation 4874. Up to 100 conditions per place. [2022-04-18 16:32:57,270 INFO L132 encePairwiseOnDemand]: 450/455 looper letters, 21 selfloop transitions, 4 changer transitions 0/410 dead transitions. [2022-04-18 16:32:57,270 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 410 transitions, 1040 flow [2022-04-18 16:32:57,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:32:57,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:32:57,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2522 transitions. [2022-04-18 16:32:57,274 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9238095238095239 [2022-04-18 16:32:57,274 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2522 transitions. [2022-04-18 16:32:57,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2522 transitions. [2022-04-18 16:32:57,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:57,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2522 transitions. [2022-04-18 16:32:57,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 420.3333333333333) internal successors, (2522), 6 states have internal predecessors, (2522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:57,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 455.0) internal successors, (3185), 7 states have internal predecessors, (3185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:57,278 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 455.0) internal successors, (3185), 7 states have internal predecessors, (3185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:57,279 INFO L186 Difference]: Start difference. First operand has 405 places, 411 transitions, 992 flow. Second operand 6 states and 2522 transitions. [2022-04-18 16:32:57,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 410 transitions, 1040 flow [2022-04-18 16:32:57,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 410 transitions, 1028 flow, removed 2 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:57,288 INFO L242 Difference]: Finished difference. Result has 407 places, 410 transitions, 986 flow [2022-04-18 16:32:57,288 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=978, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=986, PETRI_PLACES=407, PETRI_TRANSITIONS=410} [2022-04-18 16:32:57,288 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -7 predicate places. [2022-04-18 16:32:57,289 INFO L478 AbstractCegarLoop]: Abstraction has has 407 places, 410 transitions, 986 flow [2022-04-18 16:32:57,289 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 420.0) internal successors, (2520), 6 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:57,289 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:57,289 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:57,289 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-04-18 16:32:57,290 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:57,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:57,290 INFO L85 PathProgramCache]: Analyzing trace with hash -818816096, now seen corresponding path program 1 times [2022-04-18 16:32:57,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:57,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623606805] [2022-04-18 16:32:57,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:57,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:57,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:57,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:57,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623606805] [2022-04-18 16:32:57,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623606805] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:57,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:57,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:57,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252184478] [2022-04-18 16:32:57,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:57,328 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:57,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:57,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:57,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:57,333 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 455 [2022-04-18 16:32:57,334 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 410 transitions, 986 flow. Second operand has 3 states, 3 states have (on average 437.3333333333333) internal successors, (1312), 3 states have internal predecessors, (1312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:57,334 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:57,334 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 455 [2022-04-18 16:32:57,334 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:57,958 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][386], [Black: 511#true, 479#(= |#race~is_null_0~0| 0), 494#(= 0 |#race~filename_is_null_5~0|), Black: 516#true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 513#(= |#race~filename_4~0| 0), 534#(= |#race~filename_7~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 532#true, Black: 477#true, 565#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 482#true, Black: 550#(not (= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0)), 484#(= |#race~is_null_3~0| 0), 567#true, Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 554#true, Black: 492#true, Black: 497#true, 518#(= 0 |#race~filename_is_null_8~0|), 340#L80-7true, Black: 506#true]) [2022-04-18 16:32:57,959 INFO L384 tUnfolder$Statistics]: this new event has 267 ancestors and is cut-off event [2022-04-18 16:32:57,959 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:57,959 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:57,959 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:57,967 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][386], [Black: 511#true, 479#(= |#race~is_null_0~0| 0), 494#(= 0 |#race~filename_is_null_5~0|), Black: 516#true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 513#(= |#race~filename_4~0| 0), 534#(= |#race~filename_7~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 532#true, Black: 477#true, 565#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 482#true, Black: 550#(not (= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0)), 484#(= |#race~is_null_3~0| 0), 567#true, Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 554#true, Black: 492#true, Black: 497#true, 518#(= 0 |#race~filename_is_null_8~0|), 340#L80-7true, Black: 506#true]) [2022-04-18 16:32:57,967 INFO L384 tUnfolder$Statistics]: this new event has 259 ancestors and is not cut-off event [2022-04-18 16:32:57,967 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:57,968 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:57,968 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:57,968 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:57,969 INFO L129 PetriNetUnfolder]: 262/6115 cut-off events. [2022-04-18 16:32:57,969 INFO L130 PetriNetUnfolder]: For 42/75 co-relation queries the response was YES. [2022-04-18 16:32:58,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6947 conditions, 6115 events. 262/6115 cut-off events. For 42/75 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 65160 event pairs, 16 based on Foata normal form. 0/5681 useless extension candidates. Maximal degree in co-relation 6433. Up to 140 conditions per place. [2022-04-18 16:32:58,056 INFO L132 encePairwiseOnDemand]: 453/455 looper letters, 9 selfloop transitions, 1 changer transitions 0/409 dead transitions. [2022-04-18 16:32:58,056 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 409 transitions, 1004 flow [2022-04-18 16:32:58,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:58,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:58,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1313 transitions. [2022-04-18 16:32:58,058 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9619047619047619 [2022-04-18 16:32:58,058 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1313 transitions. [2022-04-18 16:32:58,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1313 transitions. [2022-04-18 16:32:58,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:58,058 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1313 transitions. [2022-04-18 16:32:58,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 437.6666666666667) internal successors, (1313), 3 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:58,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:58,061 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:58,061 INFO L186 Difference]: Start difference. First operand has 407 places, 410 transitions, 986 flow. Second operand 3 states and 1313 transitions. [2022-04-18 16:32:58,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 409 transitions, 1004 flow [2022-04-18 16:32:58,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 409 transitions, 997 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:32:58,069 INFO L242 Difference]: Finished difference. Result has 404 places, 409 transitions, 979 flow [2022-04-18 16:32:58,069 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=977, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=979, PETRI_PLACES=404, PETRI_TRANSITIONS=409} [2022-04-18 16:32:58,070 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -10 predicate places. [2022-04-18 16:32:58,070 INFO L478 AbstractCegarLoop]: Abstraction has has 404 places, 409 transitions, 979 flow [2022-04-18 16:32:58,070 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 437.3333333333333) internal successors, (1312), 3 states have internal predecessors, (1312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:58,070 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:58,071 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:58,071 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-04-18 16:32:58,071 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:58,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:58,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1059461756, now seen corresponding path program 1 times [2022-04-18 16:32:58,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:58,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293511426] [2022-04-18 16:32:58,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:58,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:58,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:58,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:58,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293511426] [2022-04-18 16:32:58,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293511426] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:58,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:58,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:58,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092148850] [2022-04-18 16:32:58,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:58,115 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:58,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:58,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:58,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:58,117 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 455 [2022-04-18 16:32:58,118 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 409 transitions, 979 flow. Second operand has 3 states, 3 states have (on average 434.3333333333333) internal successors, (1303), 3 states have internal predecessors, (1303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:58,118 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:58,118 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 455 [2022-04-18 16:32:58,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:58,976 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1292] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][386], [Black: 511#true, 479#(= |#race~is_null_0~0| 0), 494#(= 0 |#race~filename_is_null_5~0|), Black: 516#true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 513#(= |#race~filename_4~0| 0), 534#(= |#race~filename_7~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 532#true, Black: 477#true, 565#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 482#true, Black: 550#(not (= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0)), 484#(= |#race~is_null_3~0| 0), Black: 487#true, 567#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 554#true, Black: 492#true, Black: 497#true, 571#true, 518#(= 0 |#race~filename_is_null_8~0|), 340#L80-7true, Black: 506#true]) [2022-04-18 16:32:58,977 INFO L384 tUnfolder$Statistics]: this new event has 259 ancestors and is not cut-off event [2022-04-18 16:32:58,977 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:58,977 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:58,977 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:58,978 INFO L129 PetriNetUnfolder]: 323/7359 cut-off events. [2022-04-18 16:32:58,978 INFO L130 PetriNetUnfolder]: For 61/130 co-relation queries the response was YES. [2022-04-18 16:32:59,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8418 conditions, 7359 events. 323/7359 cut-off events. For 61/130 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 82696 event pairs, 50 based on Foata normal form. 0/6860 useless extension candidates. Maximal degree in co-relation 8044. Up to 177 conditions per place. [2022-04-18 16:32:59,044 INFO L132 encePairwiseOnDemand]: 452/455 looper letters, 11 selfloop transitions, 1 changer transitions 0/407 dead transitions. [2022-04-18 16:32:59,045 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 407 transitions, 999 flow [2022-04-18 16:32:59,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:59,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:59,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1307 transitions. [2022-04-18 16:32:59,047 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9575091575091575 [2022-04-18 16:32:59,047 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1307 transitions. [2022-04-18 16:32:59,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1307 transitions. [2022-04-18 16:32:59,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:59,047 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1307 transitions. [2022-04-18 16:32:59,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 435.6666666666667) internal successors, (1307), 3 states have internal predecessors, (1307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:59,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:59,050 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:59,050 INFO L186 Difference]: Start difference. First operand has 404 places, 409 transitions, 979 flow. Second operand 3 states and 1307 transitions. [2022-04-18 16:32:59,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 407 transitions, 999 flow [2022-04-18 16:32:59,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 407 transitions, 998 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:32:59,056 INFO L242 Difference]: Finished difference. Result has 403 places, 407 transitions, 976 flow [2022-04-18 16:32:59,057 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=974, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=976, PETRI_PLACES=403, PETRI_TRANSITIONS=407} [2022-04-18 16:32:59,057 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -11 predicate places. [2022-04-18 16:32:59,057 INFO L478 AbstractCegarLoop]: Abstraction has has 403 places, 407 transitions, 976 flow [2022-04-18 16:32:59,058 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 434.3333333333333) internal successors, (1303), 3 states have internal predecessors, (1303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:59,058 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:59,058 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:59,058 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-04-18 16:32:59,058 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-04-18 16:32:59,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:59,059 INFO L85 PathProgramCache]: Analyzing trace with hash 299622415, now seen corresponding path program 1 times [2022-04-18 16:32:59,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:59,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567904685] [2022-04-18 16:32:59,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:59,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:59,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:32:59,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:59,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567904685] [2022-04-18 16:32:59,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567904685] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:59,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:59,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:59,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125654432] [2022-04-18 16:32:59,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:59,112 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:59,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:59,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:59,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:59,115 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 455 [2022-04-18 16:32:59,115 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 407 transitions, 976 flow. Second operand has 3 states, 3 states have (on average 434.3333333333333) internal successors, (1303), 3 states have internal predecessors, (1303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:59,116 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:59,116 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 455 [2022-04-18 16:32:59,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:59,615 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1224] L56-47-->L56-48: Formula: (= |v_thread3Thread1of1ForFork1_#t~nondet24#1_3| |v_#race~result_11~0_1|) InVars {thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_3|} OutVars{#race~result_11~0=|v_#race~result_11~0_1|, thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_3|} AuxVars[] AssignedVars[#race~result_11~0][259], [Black: 477#true, 511#true, 575#true, Black: 482#true, Black: 516#true, 479#(= |#race~is_null_0~0| 0), 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, Black: 550#(not (= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0)), 484#(= |#race~is_null_3~0| 0), 108#L56-48true, Black: 487#true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 499#(= |#race~is_null_6~0| 0), Black: 554#true, Black: 492#true, 489#(= 0 |#race~filename_is_null_2~0|), Black: 497#true, 506#true, 571#true, 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 518#(= 0 |#race~filename_is_null_8~0|), 532#true]) [2022-04-18 16:32:59,615 INFO L384 tUnfolder$Statistics]: this new event has 188 ancestors and is not cut-off event [2022-04-18 16:32:59,615 INFO L387 tUnfolder$Statistics]: existing Event has 196 ancestors and is not cut-off event [2022-04-18 16:32:59,615 INFO L387 tUnfolder$Statistics]: existing Event has 188 ancestors and is not cut-off event [2022-04-18 16:32:59,615 INFO L387 tUnfolder$Statistics]: existing Event has 188 ancestors and is not cut-off event [2022-04-18 16:32:59,643 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1224] L56-47-->L56-48: Formula: (= |v_thread3Thread1of1ForFork1_#t~nondet24#1_3| |v_#race~result_11~0_1|) InVars {thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_3|} OutVars{#race~result_11~0=|v_#race~result_11~0_1|, thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_3|} AuxVars[] AssignedVars[#race~result_11~0][259], [Black: 511#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 513#(= |#race~filename_4~0| 0), 534#(= |#race~filename_7~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 532#true, Black: 477#true, 575#true, Black: 482#true, Black: 550#(not (= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0)), 484#(= |#race~is_null_3~0| 0), 108#L56-48true, Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 554#true, Black: 492#true, Black: 497#true, 571#true, 518#(= 0 |#race~filename_is_null_8~0|), Black: 506#true]) [2022-04-18 16:32:59,643 INFO L384 tUnfolder$Statistics]: this new event has 248 ancestors and is cut-off event [2022-04-18 16:32:59,643 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is cut-off event [2022-04-18 16:32:59,643 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:32:59,643 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:32:59,666 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1291] thread2EXIT-->L79-7: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem50#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} AuxVars[] AssignedVars[][377], [Black: 511#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 513#(= |#race~filename_4~0| 0), 534#(= |#race~filename_7~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 532#true, Black: 477#true, 575#true, Black: 482#true, Black: 550#(not (= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0)), 484#(= |#race~is_null_3~0| 0), Black: 487#true, 108#L56-48true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 554#true, Black: 492#true, Black: 497#true, 571#true, 518#(= 0 |#race~filename_is_null_8~0|), Black: 506#true]) [2022-04-18 16:32:59,666 INFO L384 tUnfolder$Statistics]: this new event has 248 ancestors and is cut-off event [2022-04-18 16:32:59,666 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is cut-off event [2022-04-18 16:32:59,666 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:32:59,666 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:32:59,668 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1291] thread2EXIT-->L79-7: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem50#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} AuxVars[] AssignedVars[][377], [Black: 511#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 513#(= |#race~filename_4~0| 0), 534#(= |#race~filename_7~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 532#true, Black: 477#true, 575#true, Black: 482#true, Black: 550#(not (= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0)), 484#(= |#race~is_null_3~0| 0), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 554#true, Black: 492#true, 297#L56-49true, Black: 497#true, 571#true, 518#(= 0 |#race~filename_is_null_8~0|), Black: 506#true]) [2022-04-18 16:32:59,668 INFO L384 tUnfolder$Statistics]: this new event has 249 ancestors and is cut-off event [2022-04-18 16:32:59,668 INFO L387 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-04-18 16:32:59,668 INFO L387 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-04-18 16:32:59,668 INFO L387 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-04-18 16:32:59,675 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1224] L56-47-->L56-48: Formula: (= |v_thread3Thread1of1ForFork1_#t~nondet24#1_3| |v_#race~result_11~0_1|) InVars {thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_3|} OutVars{#race~result_11~0=|v_#race~result_11~0_1|, thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_3|} AuxVars[] AssignedVars[#race~result_11~0][259], [Black: 511#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 513#(= |#race~filename_4~0| 0), 534#(= |#race~filename_7~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 532#true, Black: 477#true, 575#true, Black: 482#true, Black: 550#(not (= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0)), 484#(= |#race~is_null_3~0| 0), 108#L56-48true, Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 554#true, Black: 492#true, Black: 497#true, 571#true, 518#(= 0 |#race~filename_is_null_8~0|), Black: 506#true]) [2022-04-18 16:32:59,675 INFO L384 tUnfolder$Statistics]: this new event has 274 ancestors and is cut-off event [2022-04-18 16:32:59,675 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is cut-off event [2022-04-18 16:32:59,675 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:32:59,675 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is cut-off event [2022-04-18 16:32:59,675 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:32:59,675 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1291] thread2EXIT-->L79-7: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem50#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} AuxVars[] AssignedVars[][377], [Black: 511#true, Black: 516#true, 479#(= |#race~is_null_0~0| 0), 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 513#(= |#race~filename_4~0| 0), 534#(= |#race~filename_7~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 532#true, 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 477#true, 575#true, Black: 482#true, Black: 550#(not (= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0)), 484#(= |#race~is_null_3~0| 0), 108#L56-48true, Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 554#true, Black: 492#true, Black: 497#true, 571#true, 518#(= 0 |#race~filename_is_null_8~0|), Black: 506#true]) [2022-04-18 16:32:59,675 INFO L384 tUnfolder$Statistics]: this new event has 240 ancestors and is cut-off event [2022-04-18 16:32:59,675 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is cut-off event [2022-04-18 16:32:59,675 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:32:59,675 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:32:59,675 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is cut-off event [2022-04-18 16:32:59,675 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1224] L56-47-->L56-48: Formula: (= |v_thread3Thread1of1ForFork1_#t~nondet24#1_3| |v_#race~result_11~0_1|) InVars {thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_3|} OutVars{#race~result_11~0=|v_#race~result_11~0_1|, thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_3|} AuxVars[] AssignedVars[#race~result_11~0][259], [Black: 511#true, 479#(= |#race~is_null_0~0| 0), Black: 516#true, 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 513#(= |#race~filename_4~0| 0), 534#(= |#race~filename_7~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 532#true, 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 477#true, 575#true, Black: 482#true, Black: 550#(not (= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0)), 484#(= |#race~is_null_3~0| 0), Black: 487#true, 108#L56-48true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 554#true, Black: 492#true, Black: 497#true, 571#true, 518#(= 0 |#race~filename_is_null_8~0|), Black: 506#true]) [2022-04-18 16:32:59,676 INFO L384 tUnfolder$Statistics]: this new event has 248 ancestors and is cut-off event [2022-04-18 16:32:59,676 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is cut-off event [2022-04-18 16:32:59,676 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:32:59,676 INFO L387 tUnfolder$Statistics]: existing Event has 274 ancestors and is cut-off event [2022-04-18 16:32:59,676 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is cut-off event [2022-04-18 16:32:59,676 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:32:59,685 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1224] L56-47-->L56-48: Formula: (= |v_thread3Thread1of1ForFork1_#t~nondet24#1_3| |v_#race~result_11~0_1|) InVars {thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_3|} OutVars{#race~result_11~0=|v_#race~result_11~0_1|, thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_3|} AuxVars[] AssignedVars[#race~result_11~0][259], [Black: 511#true, Black: 516#true, 479#(= |#race~is_null_0~0| 0), 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 513#(= |#race~filename_4~0| 0), 534#(= |#race~filename_7~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 532#true, 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 477#true, 575#true, Black: 482#true, Black: 550#(not (= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0)), 484#(= |#race~is_null_3~0| 0), Black: 487#true, 108#L56-48true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 554#true, Black: 492#true, Black: 497#true, 571#true, 518#(= 0 |#race~filename_is_null_8~0|), Black: 506#true]) [2022-04-18 16:32:59,685 INFO L384 tUnfolder$Statistics]: this new event has 240 ancestors and is not cut-off event [2022-04-18 16:32:59,685 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is not cut-off event [2022-04-18 16:32:59,685 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is not cut-off event [2022-04-18 16:32:59,685 INFO L387 tUnfolder$Statistics]: existing Event has 274 ancestors and is not cut-off event [2022-04-18 16:32:59,685 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is not cut-off event [2022-04-18 16:32:59,685 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is not cut-off event [2022-04-18 16:32:59,686 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is not cut-off event [2022-04-18 16:32:59,686 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1291] thread2EXIT-->L79-7: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem50#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} AuxVars[] AssignedVars[][377], [Black: 511#true, Black: 516#true, 479#(= |#race~is_null_0~0| 0), 494#(= 0 |#race~filename_is_null_5~0|), 210#L79-7true, 530#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 513#(= |#race~filename_4~0| 0), 534#(= |#race~filename_7~0| 0), 489#(= 0 |#race~filename_is_null_2~0|), Black: 532#true, 546#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 477#true, 575#true, Black: 482#true, Black: 550#(not (= (+ ~is_null_0~0 (* (- 256) (div ~is_null_0~0 256))) 0)), 484#(= |#race~is_null_3~0| 0), Black: 487#true, 508#(= |#race~filename_1~0| 0), 499#(= |#race~is_null_6~0| 0), Black: 554#true, Black: 492#true, 297#L56-49true, Black: 497#true, 571#true, 518#(= 0 |#race~filename_is_null_8~0|), Black: 506#true]) [2022-04-18 16:32:59,686 INFO L384 tUnfolder$Statistics]: this new event has 241 ancestors and is cut-off event [2022-04-18 16:32:59,686 INFO L387 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-04-18 16:32:59,686 INFO L387 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-04-18 16:32:59,686 INFO L387 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-04-18 16:32:59,686 INFO L387 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-04-18 16:32:59,695 INFO L129 PetriNetUnfolder]: 311/5181 cut-off events. [2022-04-18 16:32:59,696 INFO L130 PetriNetUnfolder]: For 160/191 co-relation queries the response was YES. [2022-04-18 16:32:59,762 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6192 conditions, 5181 events. 311/5181 cut-off events. For 160/191 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 54241 event pairs, 96 based on Foata normal form. 15/4834 useless extension candidates. Maximal degree in co-relation 6062. Up to 442 conditions per place. [2022-04-18 16:32:59,765 INFO L132 encePairwiseOnDemand]: 452/455 looper letters, 0 selfloop transitions, 0 changer transitions 405/405 dead transitions. [2022-04-18 16:32:59,765 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 405 transitions, 994 flow [2022-04-18 16:32:59,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:59,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:59,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1306 transitions. [2022-04-18 16:32:59,767 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9567765567765568 [2022-04-18 16:32:59,767 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1306 transitions. [2022-04-18 16:32:59,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1306 transitions. [2022-04-18 16:32:59,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:59,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1306 transitions. [2022-04-18 16:32:59,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:59,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:59,770 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 455.0) internal successors, (1820), 4 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:59,770 INFO L186 Difference]: Start difference. First operand has 403 places, 407 transitions, 976 flow. Second operand 3 states and 1306 transitions. [2022-04-18 16:32:59,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 405 transitions, 994 flow [2022-04-18 16:32:59,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 405 transitions, 993 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:32:59,774 INFO L242 Difference]: Finished difference. Result has 402 places, 0 transitions, 0 flow [2022-04-18 16:32:59,775 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=455, PETRI_DIFFERENCE_MINUEND_FLOW=971, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=405, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=402, PETRI_TRANSITIONS=0} [2022-04-18 16:32:59,775 INFO L335 CegarLoopForPetriNet]: 414 programPoint places, -12 predicate places. [2022-04-18 16:32:59,776 INFO L478 AbstractCegarLoop]: Abstraction has has 402 places, 0 transitions, 0 flow [2022-04-18 16:32:59,776 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 434.3333333333333) internal successors, (1303), 3 states have internal predecessors, (1303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:32:59,778 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (73 of 74 remaining) [2022-04-18 16:32:59,779 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2022-04-18 16:32:59,779 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2022-04-18 16:32:59,779 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2022-04-18 16:32:59,779 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2022-04-18 16:32:59,779 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2022-04-18 16:32:59,779 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2022-04-18 16:32:59,779 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2022-04-18 16:32:59,779 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2022-04-18 16:32:59,779 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2022-04-18 16:32:59,779 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2022-04-18 16:32:59,780 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2022-04-18 16:32:59,780 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2022-04-18 16:32:59,780 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2022-04-18 16:32:59,780 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2022-04-18 16:32:59,780 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2022-04-18 16:32:59,780 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2022-04-18 16:32:59,780 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2022-04-18 16:32:59,780 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2022-04-18 16:32:59,780 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2022-04-18 16:32:59,780 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2022-04-18 16:32:59,781 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2022-04-18 16:32:59,781 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2022-04-18 16:32:59,781 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2022-04-18 16:32:59,781 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2022-04-18 16:32:59,781 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2022-04-18 16:32:59,781 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2022-04-18 16:32:59,781 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2022-04-18 16:32:59,781 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2022-04-18 16:32:59,781 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2022-04-18 16:32:59,781 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2022-04-18 16:32:59,781 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2022-04-18 16:32:59,781 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2022-04-18 16:32:59,782 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2022-04-18 16:32:59,782 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2022-04-18 16:32:59,782 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2022-04-18 16:32:59,782 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2022-04-18 16:32:59,782 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2022-04-18 16:32:59,782 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2022-04-18 16:32:59,782 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2022-04-18 16:32:59,782 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2022-04-18 16:32:59,782 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2022-04-18 16:32:59,782 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2022-04-18 16:32:59,782 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2022-04-18 16:32:59,783 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 74 remaining) [2022-04-18 16:32:59,783 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 74 remaining) [2022-04-18 16:32:59,783 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 74 remaining) [2022-04-18 16:32:59,783 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2022-04-18 16:32:59,783 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2022-04-18 16:32:59,783 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2022-04-18 16:32:59,783 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2022-04-18 16:32:59,783 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2022-04-18 16:32:59,783 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2022-04-18 16:32:59,783 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2022-04-18 16:32:59,783 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2022-04-18 16:32:59,783 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2022-04-18 16:32:59,784 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2022-04-18 16:32:59,784 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2022-04-18 16:32:59,784 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2022-04-18 16:32:59,784 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2022-04-18 16:32:59,784 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2022-04-18 16:32:59,784 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2022-04-18 16:32:59,784 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2022-04-18 16:32:59,784 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2022-04-18 16:32:59,784 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2022-04-18 16:32:59,784 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2022-04-18 16:32:59,784 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2022-04-18 16:32:59,784 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2022-04-18 16:32:59,785 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2022-04-18 16:32:59,785 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2022-04-18 16:32:59,785 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2022-04-18 16:32:59,785 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2022-04-18 16:32:59,785 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2022-04-18 16:32:59,785 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2022-04-18 16:32:59,785 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-04-18 16:32:59,788 INFO L719 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:32:59,792 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 16:32:59,793 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 16:32:59,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:32:59 BasicIcfg [2022-04-18 16:32:59,795 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 16:32:59,796 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 16:32:59,796 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 16:32:59,796 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 16:32:59,797 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:32:40" (3/4) ... [2022-04-18 16:32:59,798 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 16:32:59,803 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-04-18 16:32:59,803 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-04-18 16:32:59,803 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-04-18 16:32:59,807 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-04-18 16:32:59,808 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 16:32:59,808 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 16:32:59,808 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 16:32:59,842 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-04-18 16:32:59,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 16:32:59,843 INFO L158 Benchmark]: Toolchain (without parser) took 20250.60ms. Allocated memory was 100.7MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 67.7MB in the beginning and 562.8MB in the end (delta: -495.0MB). Peak memory consumption was 714.1MB. Max. memory is 16.1GB. [2022-04-18 16:32:59,843 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:32:59,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.84ms. Allocated memory is still 100.7MB. Free memory was 67.6MB in the beginning and 74.2MB in the end (delta: -6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-04-18 16:32:59,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.11ms. Allocated memory is still 100.7MB. Free memory was 74.2MB in the beginning and 71.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:32:59,844 INFO L158 Benchmark]: Boogie Preprocessor took 46.37ms. Allocated memory is still 100.7MB. Free memory was 71.3MB in the beginning and 69.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:32:59,844 INFO L158 Benchmark]: RCFGBuilder took 676.41ms. Allocated memory was 100.7MB in the beginning and 127.9MB in the end (delta: 27.3MB). Free memory was 69.5MB in the beginning and 101.9MB in the end (delta: -32.4MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2022-04-18 16:32:59,845 INFO L158 Benchmark]: TraceAbstraction took 19070.87ms. Allocated memory was 127.9MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 101.0MB in the beginning and 565.9MB in the end (delta: -464.9MB). Peak memory consumption was 717.5MB. Max. memory is 16.1GB. [2022-04-18 16:32:59,845 INFO L158 Benchmark]: Witness Printer took 46.61ms. Allocated memory is still 1.3GB. Free memory was 565.9MB in the beginning and 562.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:32:59,847 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 100.7MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.84ms. Allocated memory is still 100.7MB. Free memory was 67.6MB in the beginning and 74.2MB in the end (delta: -6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.11ms. Allocated memory is still 100.7MB. Free memory was 74.2MB in the beginning and 71.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.37ms. Allocated memory is still 100.7MB. Free memory was 71.3MB in the beginning and 69.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 676.41ms. Allocated memory was 100.7MB in the beginning and 127.9MB in the end (delta: 27.3MB). Free memory was 69.5MB in the beginning and 101.9MB in the end (delta: -32.4MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * TraceAbstraction took 19070.87ms. Allocated memory was 127.9MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 101.0MB in the beginning and 565.9MB in the end (delta: -464.9MB). Peak memory consumption was 717.5MB. Max. memory is 16.1GB. * Witness Printer took 46.61ms. Allocated memory is still 1.3GB. Free memory was 565.9MB in the beginning and 562.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: 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: 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: 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: 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: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: 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: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: 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: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: 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, 678 locations, 74 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: 18.9s, OverallIterations: 29, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 17.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 130 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 250 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 168 mSDsCounter, 81 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 675 IncrementalHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 81 mSolverCounterUnsat, 250 mSDtfsCounter, 675 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=992occurred in iteration=25, InterpolantAutomatonStates: 96, 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, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 3085 NumberOfCodeBlocks, 3085 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 3056 ConstructedInterpolants, 0 QuantifiedInterpolants, 3838 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 29 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 44 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 16:32:59,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE