./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-trans.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-trans.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 7850c8f92b7e0b0b866687e8f3ea719169cacbc5985a977f15b280bf9bb53b5b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:32:41,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:32:41,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:32:41,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:32:41,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:32:41,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:32:41,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:32:41,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:32:41,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:32:41,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:32:41,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:32:41,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:32:41,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:32:41,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:32:41,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:32:41,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:32:41,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:32:41,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:32:41,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:32:42,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:32:42,002 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:32:42,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:32:42,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:32:42,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:32:42,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:32:42,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:32:42,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:32:42,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:32:42,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:32:42,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:32:42,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:32:42,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:32:42,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:32:42,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:32:42,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:32:42,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:32:42,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:32:42,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:32:42,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:32:42,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:32:42,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:32:42,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:32:42,020 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 16:32:42,045 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:32:42,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:32:42,046 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:32:42,046 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:32:42,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:32:42,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:32:42,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:32:42,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:32:42,048 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:32:42,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:32:42,049 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:32:42,049 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:32:42,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:32:42,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:32:42,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:32:42,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:32:42,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:32:42,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:32:42,050 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:32:42,050 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:32:42,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:32:42,051 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:32:42,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:32:42,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:32:42,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:32:42,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:32:42,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:32:42,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:32:42,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:32:42,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:32:42,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:32:42,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:32:42,053 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:32:42,054 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 16:32:42,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:32:42,054 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7850c8f92b7e0b0b866687e8f3ea719169cacbc5985a977f15b280bf9bb53b5b [2022-04-18 16:32:42,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:32:42,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:32:42,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:32:42,266 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:32:42,267 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:32:42,268 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c [2022-04-18 16:32:42,319 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35f502180/53d22e889c434470a1cb255ce57f8710/FLAG1515c4248 [2022-04-18 16:32:42,675 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:32:42,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c [2022-04-18 16:32:42,679 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35f502180/53d22e889c434470a1cb255ce57f8710/FLAG1515c4248 [2022-04-18 16:32:42,687 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35f502180/53d22e889c434470a1cb255ce57f8710 [2022-04-18 16:32:42,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:32:42,690 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:32:42,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:32:42,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:32:42,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:32:42,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:32:42" (1/1) ... [2022-04-18 16:32:42,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@389f3205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:42, skipping insertion in model container [2022-04-18 16:32:42,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:32:42" (1/1) ... [2022-04-18 16:32:42,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:32:42,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:32:42,854 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-trans.wvr.c[2817,2830] [2022-04-18 16:32:42,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:32:42,865 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:32:42,906 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-trans.wvr.c[2817,2830] [2022-04-18 16:32:42,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:32:42,917 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:32:42,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:42 WrapperNode [2022-04-18 16:32:42,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:32:42,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:32:42,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:32:42,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:32:42,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:42" (1/1) ... [2022-04-18 16:32:42,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:42" (1/1) ... [2022-04-18 16:32:42,954 INFO L137 Inliner]: procedures = 23, calls = 30, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 342 [2022-04-18 16:32:42,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:32:42,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:32:42,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:32:42,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:32:42,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:42" (1/1) ... [2022-04-18 16:32:42,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:42" (1/1) ... [2022-04-18 16:32:42,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:42" (1/1) ... [2022-04-18 16:32:42,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:42" (1/1) ... [2022-04-18 16:32:42,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:42" (1/1) ... [2022-04-18 16:32:42,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:42" (1/1) ... [2022-04-18 16:32:42,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:42" (1/1) ... [2022-04-18 16:32:42,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:32:42,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:32:42,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:32:42,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:32:42,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:42" (1/1) ... [2022-04-18 16:32:43,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:32:43,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 16:32:43,018 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 16:32:43,031 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 16:32:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:32:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-04-18 16:32:43,053 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-04-18 16:32:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-04-18 16:32:43,053 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-04-18 16:32:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-04-18 16:32:43,053 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-04-18 16:32:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:32:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:32:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:32:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:32:43,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:32:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 16:32:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:32:43,054 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 16:32:43,141 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:32:43,142 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:32:43,485 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:32:43,494 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:32:43,494 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 16:32:43,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:32:43 BoogieIcfgContainer [2022-04-18 16:32:43,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:32:43,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:32:43,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:32:43,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:32:43,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:32:42" (1/3) ... [2022-04-18 16:32:43,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c8e7891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:32:43, skipping insertion in model container [2022-04-18 16:32:43,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:32:42" (2/3) ... [2022-04-18 16:32:43,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c8e7891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:32:43, skipping insertion in model container [2022-04-18 16:32:43,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:32:43" (3/3) ... [2022-04-18 16:32:43,515 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-file-item-trans.wvr.c [2022-04-18 16:32:43,520 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:32:43,520 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:32:43,521 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2022-04-18 16:32:43,521 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:32:43,606 INFO L135 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-04-18 16:32:43,637 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 16:32:43,641 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 16:32:43,642 INFO L341 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2022-04-18 16:32:43,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 429 places, 446 transitions, 916 flow [2022-04-18 16:32:43,786 INFO L129 PetriNetUnfolder]: 27/443 cut-off events. [2022-04-18 16:32:43,786 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-04-18 16:32:43,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 456 conditions, 443 events. 27/443 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1308 event pairs, 0 based on Foata normal form. 0/374 useless extension candidates. Maximal degree in co-relation 296. Up to 2 conditions per place. [2022-04-18 16:32:43,799 INFO L82 GeneralOperation]: Start removeDead. Operand has 429 places, 446 transitions, 916 flow [2022-04-18 16:32:43,814 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 404 places, 419 transitions, 856 flow [2022-04-18 16:32:43,823 INFO L129 PetriNetUnfolder]: 0/32 cut-off events. [2022-04-18 16:32:43,823 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:32:43,823 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:43,824 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 16:32:43,825 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:43,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:43,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1469766472, now seen corresponding path program 1 times [2022-04-18 16:32:43,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:43,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746233694] [2022-04-18 16:32:43,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:43,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:44,001 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 16:32:44,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:44,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746233694] [2022-04-18 16:32:44,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746233694] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:44,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:44,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:44,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157158194] [2022-04-18 16:32:44,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:44,011 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:44,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:44,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:44,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:44,041 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 446 [2022-04-18 16:32:44,048 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 419 transitions, 856 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 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 16:32:44,049 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:44,049 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 446 [2022-04-18 16:32:44,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:44,264 INFO L129 PetriNetUnfolder]: 57/982 cut-off events. [2022-04-18 16:32:44,264 INFO L130 PetriNetUnfolder]: For 53/55 co-relation queries the response was YES. [2022-04-18 16:32:44,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1083 conditions, 982 events. 57/982 cut-off events. For 53/55 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5152 event pairs, 21 based on Foata normal form. 32/866 useless extension candidates. Maximal degree in co-relation 781. Up to 63 conditions per place. [2022-04-18 16:32:44,280 INFO L132 encePairwiseOnDemand]: 437/446 looper letters, 15 selfloop transitions, 2 changer transitions 0/412 dead transitions. [2022-04-18 16:32:44,280 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 412 transitions, 876 flow [2022-04-18 16:32:44,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:44,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:44,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1284 transitions. [2022-04-18 16:32:44,296 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9596412556053812 [2022-04-18 16:32:44,297 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1284 transitions. [2022-04-18 16:32:44,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1284 transitions. [2022-04-18 16:32:44,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:44,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1284 transitions. [2022-04-18 16:32:44,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 0 states have call successors, (0), 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 16:32:44,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:44,317 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:44,318 INFO L186 Difference]: Start difference. First operand has 404 places, 419 transitions, 856 flow. Second operand 3 states and 1284 transitions. [2022-04-18 16:32:44,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 412 transitions, 876 flow [2022-04-18 16:32:44,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 412 transitions, 864 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-04-18 16:32:44,356 INFO L242 Difference]: Finished difference. Result has 399 places, 412 transitions, 834 flow [2022-04-18 16:32:44,358 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=397, 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=399, PETRI_TRANSITIONS=412} [2022-04-18 16:32:44,362 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -5 predicate places. [2022-04-18 16:32:44,363 INFO L478 AbstractCegarLoop]: Abstraction has has 399 places, 412 transitions, 834 flow [2022-04-18 16:32:44,364 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 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 16:32:44,364 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:44,365 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 16:32:44,365 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:32:44,365 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:44,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:44,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1682833523, now seen corresponding path program 1 times [2022-04-18 16:32:44,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:44,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707349102] [2022-04-18 16:32:44,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:44,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:44,425 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 16:32:44,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:44,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707349102] [2022-04-18 16:32:44,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707349102] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:44,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:44,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:44,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408985724] [2022-04-18 16:32:44,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:44,430 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:44,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:44,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:44,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:44,434 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 446 [2022-04-18 16:32:44,435 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 412 transitions, 834 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 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 16:32:44,438 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:44,439 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 446 [2022-04-18 16:32:44,439 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:44,666 INFO L129 PetriNetUnfolder]: 87/1364 cut-off events. [2022-04-18 16:32:44,667 INFO L130 PetriNetUnfolder]: For 11/16 co-relation queries the response was YES. [2022-04-18 16:32:44,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1481 conditions, 1364 events. 87/1364 cut-off events. For 11/16 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 8978 event pairs, 39 based on Foata normal form. 0/1159 useless extension candidates. Maximal degree in co-relation 1441. Up to 90 conditions per place. [2022-04-18 16:32:44,686 INFO L132 encePairwiseOnDemand]: 443/446 looper letters, 15 selfloop transitions, 2 changer transitions 0/411 dead transitions. [2022-04-18 16:32:44,686 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 411 transitions, 866 flow [2022-04-18 16:32:44,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:44,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:44,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1278 transitions. [2022-04-18 16:32:44,712 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9551569506726457 [2022-04-18 16:32:44,712 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1278 transitions. [2022-04-18 16:32:44,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1278 transitions. [2022-04-18 16:32:44,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:44,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1278 transitions. [2022-04-18 16:32:44,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 426.0) internal successors, (1278), 3 states have internal predecessors, (1278), 0 states have call successors, (0), 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 16:32:44,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:44,717 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:44,718 INFO L186 Difference]: Start difference. First operand has 399 places, 412 transitions, 834 flow. Second operand 3 states and 1278 transitions. [2022-04-18 16:32:44,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 411 transitions, 866 flow [2022-04-18 16:32:44,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 411 transitions, 862 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:44,724 INFO L242 Difference]: Finished difference. Result has 398 places, 411 transitions, 832 flow [2022-04-18 16:32:44,725 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=396, 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=832, PETRI_PLACES=398, PETRI_TRANSITIONS=411} [2022-04-18 16:32:44,726 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -6 predicate places. [2022-04-18 16:32:44,726 INFO L478 AbstractCegarLoop]: Abstraction has has 398 places, 411 transitions, 832 flow [2022-04-18 16:32:44,727 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 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 16:32:44,727 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:44,727 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 16:32:44,727 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 16:32:44,727 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:44,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:44,728 INFO L85 PathProgramCache]: Analyzing trace with hash -243174264, now seen corresponding path program 1 times [2022-04-18 16:32:44,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:44,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428292609] [2022-04-18 16:32:44,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:44,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:44,789 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 16:32:44,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:44,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428292609] [2022-04-18 16:32:44,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428292609] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:44,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:44,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:44,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304323338] [2022-04-18 16:32:44,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:44,790 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:44,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:44,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:44,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:44,793 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 446 [2022-04-18 16:32:44,794 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 411 transitions, 832 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 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 16:32:44,794 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:44,794 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 446 [2022-04-18 16:32:44,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:44,949 INFO L129 PetriNetUnfolder]: 69/1055 cut-off events. [2022-04-18 16:32:44,950 INFO L130 PetriNetUnfolder]: For 26/32 co-relation queries the response was YES. [2022-04-18 16:32:44,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1157 conditions, 1055 events. 69/1055 cut-off events. For 26/32 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5763 event pairs, 39 based on Foata normal form. 0/914 useless extension candidates. Maximal degree in co-relation 1110. Up to 90 conditions per place. [2022-04-18 16:32:44,965 INFO L132 encePairwiseOnDemand]: 443/446 looper letters, 15 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2022-04-18 16:32:44,966 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 410 transitions, 864 flow [2022-04-18 16:32:44,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:44,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:44,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1278 transitions. [2022-04-18 16:32:44,969 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9551569506726457 [2022-04-18 16:32:44,969 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1278 transitions. [2022-04-18 16:32:44,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1278 transitions. [2022-04-18 16:32:44,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:44,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1278 transitions. [2022-04-18 16:32:44,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 426.0) internal successors, (1278), 3 states have internal predecessors, (1278), 0 states have call successors, (0), 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 16:32:44,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:44,986 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:44,986 INFO L186 Difference]: Start difference. First operand has 398 places, 411 transitions, 832 flow. Second operand 3 states and 1278 transitions. [2022-04-18 16:32:44,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 410 transitions, 864 flow [2022-04-18 16:32:44,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 410 transitions, 860 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:44,992 INFO L242 Difference]: Finished difference. Result has 397 places, 410 transitions, 830 flow [2022-04-18 16:32:44,993 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=395, 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=830, PETRI_PLACES=397, PETRI_TRANSITIONS=410} [2022-04-18 16:32:44,995 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -7 predicate places. [2022-04-18 16:32:44,995 INFO L478 AbstractCegarLoop]: Abstraction has has 397 places, 410 transitions, 830 flow [2022-04-18 16:32:44,996 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 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 16:32:44,996 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:44,996 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 16:32:44,996 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 16:32:44,996 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:44,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:44,997 INFO L85 PathProgramCache]: Analyzing trace with hash -910375576, now seen corresponding path program 1 times [2022-04-18 16:32:44,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:44,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373183848] [2022-04-18 16:32:44,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:44,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:45,053 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 16:32:45,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:45,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373183848] [2022-04-18 16:32:45,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373183848] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:45,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:45,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:45,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938829006] [2022-04-18 16:32:45,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:45,056 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:45,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:45,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:45,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:45,061 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 446 [2022-04-18 16:32:45,063 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 410 transitions, 830 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 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 16:32:45,063 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:45,063 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 446 [2022-04-18 16:32:45,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:45,230 INFO L129 PetriNetUnfolder]: 82/1039 cut-off events. [2022-04-18 16:32:45,230 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-04-18 16:32:45,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1112 conditions, 1039 events. 82/1039 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 5738 event pairs, 21 based on Foata normal form. 0/843 useless extension candidates. Maximal degree in co-relation 1058. Up to 58 conditions per place. [2022-04-18 16:32:45,253 INFO L132 encePairwiseOnDemand]: 443/446 looper letters, 15 selfloop transitions, 2 changer transitions 0/409 dead transitions. [2022-04-18 16:32:45,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 409 transitions, 862 flow [2022-04-18 16:32:45,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:45,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:45,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1278 transitions. [2022-04-18 16:32:45,270 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9551569506726457 [2022-04-18 16:32:45,270 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1278 transitions. [2022-04-18 16:32:45,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1278 transitions. [2022-04-18 16:32:45,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:45,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1278 transitions. [2022-04-18 16:32:45,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 426.0) internal successors, (1278), 3 states have internal predecessors, (1278), 0 states have call successors, (0), 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 16:32:45,276 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:45,277 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:45,278 INFO L186 Difference]: Start difference. First operand has 397 places, 410 transitions, 830 flow. Second operand 3 states and 1278 transitions. [2022-04-18 16:32:45,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 409 transitions, 862 flow [2022-04-18 16:32:45,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 409 transitions, 858 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:45,284 INFO L242 Difference]: Finished difference. Result has 396 places, 409 transitions, 828 flow [2022-04-18 16:32:45,285 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=828, PETRI_PLACES=396, PETRI_TRANSITIONS=409} [2022-04-18 16:32:45,286 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -8 predicate places. [2022-04-18 16:32:45,287 INFO L478 AbstractCegarLoop]: Abstraction has has 396 places, 409 transitions, 828 flow [2022-04-18 16:32:45,287 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 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 16:32:45,288 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:45,288 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 16:32:45,288 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 16:32:45,288 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:45,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:45,289 INFO L85 PathProgramCache]: Analyzing trace with hash -970101585, now seen corresponding path program 1 times [2022-04-18 16:32:45,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:45,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219296277] [2022-04-18 16:32:45,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:45,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:45,345 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 16:32:45,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:45,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219296277] [2022-04-18 16:32:45,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219296277] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:45,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:45,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:45,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930816298] [2022-04-18 16:32:45,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:45,347 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:45,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:45,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:45,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:45,350 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 446 [2022-04-18 16:32:45,351 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 409 transitions, 828 flow. Second operand has 3 states, 3 states have (on average 418.3333333333333) internal successors, (1255), 3 states have internal predecessors, (1255), 0 states have call successors, (0), 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 16:32:45,351 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:45,351 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 446 [2022-04-18 16:32:45,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:45,571 INFO L129 PetriNetUnfolder]: 187/1862 cut-off events. [2022-04-18 16:32:45,571 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-04-18 16:32:45,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2049 conditions, 1862 events. 187/1862 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 15063 event pairs, 72 based on Foata normal form. 0/1501 useless extension candidates. Maximal degree in co-relation 1989. Up to 145 conditions per place. [2022-04-18 16:32:45,596 INFO L132 encePairwiseOnDemand]: 443/446 looper letters, 18 selfloop transitions, 2 changer transitions 0/408 dead transitions. [2022-04-18 16:32:45,596 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 408 transitions, 866 flow [2022-04-18 16:32:45,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:45,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:45,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1272 transitions. [2022-04-18 16:32:45,599 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9506726457399103 [2022-04-18 16:32:45,600 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1272 transitions. [2022-04-18 16:32:45,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1272 transitions. [2022-04-18 16:32:45,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:45,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1272 transitions. [2022-04-18 16:32:45,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 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 16:32:45,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:45,605 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:45,605 INFO L186 Difference]: Start difference. First operand has 396 places, 409 transitions, 828 flow. Second operand 3 states and 1272 transitions. [2022-04-18 16:32:45,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 408 transitions, 866 flow [2022-04-18 16:32:45,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 408 transitions, 862 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:45,611 INFO L242 Difference]: Finished difference. Result has 395 places, 408 transitions, 826 flow [2022-04-18 16:32:45,611 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=393, 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=826, PETRI_PLACES=395, PETRI_TRANSITIONS=408} [2022-04-18 16:32:45,613 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -9 predicate places. [2022-04-18 16:32:45,613 INFO L478 AbstractCegarLoop]: Abstraction has has 395 places, 408 transitions, 826 flow [2022-04-18 16:32:45,614 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 418.3333333333333) internal successors, (1255), 3 states have internal predecessors, (1255), 0 states have call successors, (0), 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 16:32:45,614 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:45,615 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 16:32:45,615 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 16:32:45,615 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:45,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:45,616 INFO L85 PathProgramCache]: Analyzing trace with hash 2079067841, now seen corresponding path program 1 times [2022-04-18 16:32:45,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:45,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246323906] [2022-04-18 16:32:45,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:45,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:45,666 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 16:32:45,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:45,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246323906] [2022-04-18 16:32:45,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246323906] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:45,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:45,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:45,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700380430] [2022-04-18 16:32:45,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:45,669 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:45,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:45,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:45,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:45,672 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 446 [2022-04-18 16:32:45,673 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 408 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 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 16:32:45,673 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:45,673 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 446 [2022-04-18 16:32:45,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:45,940 INFO L129 PetriNetUnfolder]: 259/2003 cut-off events. [2022-04-18 16:32:45,941 INFO L130 PetriNetUnfolder]: For 57/65 co-relation queries the response was YES. [2022-04-18 16:32:45,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2268 conditions, 2003 events. 259/2003 cut-off events. For 57/65 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 15763 event pairs, 132 based on Foata normal form. 0/1609 useless extension candidates. Maximal degree in co-relation 2202. Up to 250 conditions per place. [2022-04-18 16:32:45,968 INFO L132 encePairwiseOnDemand]: 443/446 looper letters, 21 selfloop transitions, 2 changer transitions 0/407 dead transitions. [2022-04-18 16:32:45,969 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 407 transitions, 870 flow [2022-04-18 16:32:45,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:45,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:45,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1266 transitions. [2022-04-18 16:32:45,971 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9461883408071748 [2022-04-18 16:32:45,971 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1266 transitions. [2022-04-18 16:32:45,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1266 transitions. [2022-04-18 16:32:45,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:45,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1266 transitions. [2022-04-18 16:32:45,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 422.0) internal successors, (1266), 3 states have internal predecessors, (1266), 0 states have call successors, (0), 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 16:32:45,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:45,977 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:45,977 INFO L186 Difference]: Start difference. First operand has 395 places, 408 transitions, 826 flow. Second operand 3 states and 1266 transitions. [2022-04-18 16:32:45,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 407 transitions, 870 flow [2022-04-18 16:32:45,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 407 transitions, 866 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:45,983 INFO L242 Difference]: Finished difference. Result has 394 places, 407 transitions, 824 flow [2022-04-18 16:32:45,984 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=820, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=824, PETRI_PLACES=394, PETRI_TRANSITIONS=407} [2022-04-18 16:32:45,985 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -10 predicate places. [2022-04-18 16:32:45,985 INFO L478 AbstractCegarLoop]: Abstraction has has 394 places, 407 transitions, 824 flow [2022-04-18 16:32:45,986 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 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 16:32:45,987 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:45,987 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 16:32:45,987 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 16:32:45,987 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:45,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:45,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1610230663, now seen corresponding path program 1 times [2022-04-18 16:32:45,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:45,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543868006] [2022-04-18 16:32:45,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:45,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:46,044 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 16:32:46,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:46,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543868006] [2022-04-18 16:32:46,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543868006] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:46,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:46,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:46,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030457620] [2022-04-18 16:32:46,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:46,048 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:46,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:46,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:46,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:46,052 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 446 [2022-04-18 16:32:46,053 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 407 transitions, 824 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 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 16:32:46,053 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:46,053 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 446 [2022-04-18 16:32:46,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:46,205 INFO L129 PetriNetUnfolder]: 78/1093 cut-off events. [2022-04-18 16:32:46,205 INFO L130 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-04-18 16:32:46,216 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1171 conditions, 1093 events. 78/1093 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 6530 event pairs, 21 based on Foata normal form. 0/910 useless extension candidates. Maximal degree in co-relation 1099. Up to 63 conditions per place. [2022-04-18 16:32:46,222 INFO L132 encePairwiseOnDemand]: 443/446 looper letters, 15 selfloop transitions, 2 changer transitions 0/406 dead transitions. [2022-04-18 16:32:46,222 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 406 transitions, 856 flow [2022-04-18 16:32:46,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:46,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:46,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1278 transitions. [2022-04-18 16:32:46,226 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9551569506726457 [2022-04-18 16:32:46,226 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1278 transitions. [2022-04-18 16:32:46,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1278 transitions. [2022-04-18 16:32:46,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:46,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1278 transitions. [2022-04-18 16:32:46,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 426.0) internal successors, (1278), 3 states have internal predecessors, (1278), 0 states have call successors, (0), 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 16:32:46,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:46,233 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:46,233 INFO L186 Difference]: Start difference. First operand has 394 places, 407 transitions, 824 flow. Second operand 3 states and 1278 transitions. [2022-04-18 16:32:46,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 406 transitions, 856 flow [2022-04-18 16:32:46,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 406 transitions, 852 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:46,241 INFO L242 Difference]: Finished difference. Result has 393 places, 406 transitions, 822 flow [2022-04-18 16:32:46,242 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=822, PETRI_PLACES=393, PETRI_TRANSITIONS=406} [2022-04-18 16:32:46,243 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -11 predicate places. [2022-04-18 16:32:46,243 INFO L478 AbstractCegarLoop]: Abstraction has has 393 places, 406 transitions, 822 flow [2022-04-18 16:32:46,244 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 0 states have call successors, (0), 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 16:32:46,244 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:46,245 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 16:32:46,245 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 16:32:46,245 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:46,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:46,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1279770964, now seen corresponding path program 1 times [2022-04-18 16:32:46,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:46,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362619363] [2022-04-18 16:32:46,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:46,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:46,288 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 16:32:46,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:46,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362619363] [2022-04-18 16:32:46,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362619363] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:46,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:46,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:46,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540194760] [2022-04-18 16:32:46,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:46,289 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:46,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:46,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:46,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:46,291 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 446 [2022-04-18 16:32:46,292 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 406 transitions, 822 flow. Second operand has 3 states, 3 states have (on average 418.3333333333333) internal successors, (1255), 3 states have internal predecessors, (1255), 0 states have call successors, (0), 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 16:32:46,294 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:46,294 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 446 [2022-04-18 16:32:46,294 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:46,605 INFO L129 PetriNetUnfolder]: 207/2537 cut-off events. [2022-04-18 16:32:46,605 INFO L130 PetriNetUnfolder]: For 11/22 co-relation queries the response was YES. [2022-04-18 16:32:46,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2729 conditions, 2537 events. 207/2537 cut-off events. For 11/22 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 23318 event pairs, 72 based on Foata normal form. 0/2099 useless extension candidates. Maximal degree in co-relation 2651. Up to 150 conditions per place. [2022-04-18 16:32:46,636 INFO L132 encePairwiseOnDemand]: 443/446 looper letters, 18 selfloop transitions, 2 changer transitions 0/405 dead transitions. [2022-04-18 16:32:46,637 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 405 transitions, 860 flow [2022-04-18 16:32:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:46,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:46,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1272 transitions. [2022-04-18 16:32:46,639 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9506726457399103 [2022-04-18 16:32:46,639 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1272 transitions. [2022-04-18 16:32:46,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1272 transitions. [2022-04-18 16:32:46,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:46,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1272 transitions. [2022-04-18 16:32:46,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 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 16:32:46,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:46,644 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:46,644 INFO L186 Difference]: Start difference. First operand has 393 places, 406 transitions, 822 flow. Second operand 3 states and 1272 transitions. [2022-04-18 16:32:46,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 405 transitions, 860 flow [2022-04-18 16:32:46,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 405 transitions, 856 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:46,650 INFO L242 Difference]: Finished difference. Result has 392 places, 405 transitions, 820 flow [2022-04-18 16:32:46,651 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=390, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=405, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=392, PETRI_TRANSITIONS=405} [2022-04-18 16:32:46,653 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -12 predicate places. [2022-04-18 16:32:46,653 INFO L478 AbstractCegarLoop]: Abstraction has has 392 places, 405 transitions, 820 flow [2022-04-18 16:32:46,654 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 418.3333333333333) internal successors, (1255), 3 states have internal predecessors, (1255), 0 states have call successors, (0), 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 16:32:46,654 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:46,654 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 16:32:46,654 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 16:32:46,654 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:46,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:46,655 INFO L85 PathProgramCache]: Analyzing trace with hash -2137402072, now seen corresponding path program 1 times [2022-04-18 16:32:46,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:46,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523756162] [2022-04-18 16:32:46,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:46,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:46,693 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 16:32:46,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:46,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523756162] [2022-04-18 16:32:46,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523756162] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:46,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:46,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:46,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642513476] [2022-04-18 16:32:46,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:46,695 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:46,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:46,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:46,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:46,697 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 446 [2022-04-18 16:32:46,698 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 405 transitions, 820 flow. Second operand has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 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 16:32:46,698 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:46,698 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 446 [2022-04-18 16:32:46,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:46,909 INFO L129 PetriNetUnfolder]: 219/1844 cut-off events. [2022-04-18 16:32:46,909 INFO L130 PetriNetUnfolder]: For 65/73 co-relation queries the response was YES. [2022-04-18 16:32:46,922 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2117 conditions, 1844 events. 219/1844 cut-off events. For 65/73 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 14256 event pairs, 132 based on Foata normal form. 0/1555 useless extension candidates. Maximal degree in co-relation 2033. Up to 258 conditions per place. [2022-04-18 16:32:46,932 INFO L132 encePairwiseOnDemand]: 443/446 looper letters, 21 selfloop transitions, 2 changer transitions 0/404 dead transitions. [2022-04-18 16:32:46,932 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 404 transitions, 864 flow [2022-04-18 16:32:46,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:46,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:46,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1266 transitions. [2022-04-18 16:32:46,934 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9461883408071748 [2022-04-18 16:32:46,934 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1266 transitions. [2022-04-18 16:32:46,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1266 transitions. [2022-04-18 16:32:46,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:46,935 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1266 transitions. [2022-04-18 16:32:46,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 422.0) internal successors, (1266), 3 states have internal predecessors, (1266), 0 states have call successors, (0), 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 16:32:46,949 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:46,949 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:46,949 INFO L186 Difference]: Start difference. First operand has 392 places, 405 transitions, 820 flow. Second operand 3 states and 1266 transitions. [2022-04-18 16:32:46,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 404 transitions, 864 flow [2022-04-18 16:32:46,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 404 transitions, 860 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:46,954 INFO L242 Difference]: Finished difference. Result has 391 places, 404 transitions, 818 flow [2022-04-18 16:32:46,955 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=814, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=818, PETRI_PLACES=391, PETRI_TRANSITIONS=404} [2022-04-18 16:32:46,956 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -13 predicate places. [2022-04-18 16:32:46,956 INFO L478 AbstractCegarLoop]: Abstraction has has 391 places, 404 transitions, 818 flow [2022-04-18 16:32:46,956 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.3333333333333) internal successors, (1246), 3 states have internal predecessors, (1246), 0 states have call successors, (0), 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 16:32:46,957 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:46,957 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 16:32:46,957 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-18 16:32:46,957 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:46,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:46,958 INFO L85 PathProgramCache]: Analyzing trace with hash 711622859, now seen corresponding path program 1 times [2022-04-18 16:32:46,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:46,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395318562] [2022-04-18 16:32:46,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:46,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:46,983 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 16:32:46,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:46,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395318562] [2022-04-18 16:32:46,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395318562] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:46,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:46,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:46,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026063456] [2022-04-18 16:32:46,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:46,985 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:46,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:46,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:46,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:46,986 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 446 [2022-04-18 16:32:46,987 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 404 transitions, 818 flow. Second operand has 3 states, 3 states have (on average 424.6666666666667) internal successors, (1274), 3 states have internal predecessors, (1274), 0 states have call successors, (0), 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 16:32:46,987 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:46,987 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 446 [2022-04-18 16:32:46,987 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:47,082 INFO L129 PetriNetUnfolder]: 73/1031 cut-off events. [2022-04-18 16:32:47,083 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-04-18 16:32:47,090 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1079 conditions, 1031 events. 73/1031 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 5741 event pairs, 8 based on Foata normal form. 0/856 useless extension candidates. Maximal degree in co-relation 988. Up to 31 conditions per place. [2022-04-18 16:32:47,095 INFO L132 encePairwiseOnDemand]: 442/446 looper letters, 14 selfloop transitions, 2 changer transitions 0/406 dead transitions. [2022-04-18 16:32:47,096 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 406 transitions, 856 flow [2022-04-18 16:32:47,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:47,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:47,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1287 transitions. [2022-04-18 16:32:47,098 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9618834080717489 [2022-04-18 16:32:47,098 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1287 transitions. [2022-04-18 16:32:47,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1287 transitions. [2022-04-18 16:32:47,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:47,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1287 transitions. [2022-04-18 16:32:47,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 0 states have call successors, (0), 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 16:32:47,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:47,102 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:47,102 INFO L186 Difference]: Start difference. First operand has 391 places, 404 transitions, 818 flow. Second operand 3 states and 1287 transitions. [2022-04-18 16:32:47,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 406 transitions, 856 flow [2022-04-18 16:32:47,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 406 transitions, 852 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:47,108 INFO L242 Difference]: Finished difference. Result has 390 places, 404 transitions, 824 flow [2022-04-18 16:32:47,108 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=824, PETRI_PLACES=390, PETRI_TRANSITIONS=404} [2022-04-18 16:32:47,109 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -14 predicate places. [2022-04-18 16:32:47,109 INFO L478 AbstractCegarLoop]: Abstraction has has 390 places, 404 transitions, 824 flow [2022-04-18 16:32:47,109 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.6666666666667) internal successors, (1274), 3 states have internal predecessors, (1274), 0 states have call successors, (0), 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 16:32:47,110 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:47,110 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 16:32:47,110 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-18 16:32:47,110 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:47,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:47,111 INFO L85 PathProgramCache]: Analyzing trace with hash -954750, now seen corresponding path program 1 times [2022-04-18 16:32:47,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:47,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718889822] [2022-04-18 16:32:47,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:47,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:47,138 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 16:32:47,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:47,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718889822] [2022-04-18 16:32:47,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718889822] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:47,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:47,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:47,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60856238] [2022-04-18 16:32:47,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:47,139 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:47,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:47,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:47,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:47,141 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 446 [2022-04-18 16:32:47,142 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 404 transitions, 824 flow. Second operand has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 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 16:32:47,142 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:47,142 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 446 [2022-04-18 16:32:47,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:47,320 INFO L129 PetriNetUnfolder]: 159/1924 cut-off events. [2022-04-18 16:32:47,321 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-04-18 16:32:47,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2038 conditions, 1924 events. 159/1924 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 16014 event pairs, 23 based on Foata normal form. 0/1589 useless extension candidates. Maximal degree in co-relation 1760. Up to 73 conditions per place. [2022-04-18 16:32:47,348 INFO L132 encePairwiseOnDemand]: 440/446 looper letters, 16 selfloop transitions, 3 changer transitions 0/406 dead transitions. [2022-04-18 16:32:47,348 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 406 transitions, 868 flow [2022-04-18 16:32:47,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:47,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:47,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1282 transitions. [2022-04-18 16:32:47,352 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9581464872944694 [2022-04-18 16:32:47,352 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1282 transitions. [2022-04-18 16:32:47,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1282 transitions. [2022-04-18 16:32:47,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:47,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1282 transitions. [2022-04-18 16:32:47,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 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 16:32:47,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:47,376 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:47,376 INFO L186 Difference]: Start difference. First operand has 390 places, 404 transitions, 824 flow. Second operand 3 states and 1282 transitions. [2022-04-18 16:32:47,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 406 transitions, 868 flow [2022-04-18 16:32:47,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 406 transitions, 868 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:32:47,381 INFO L242 Difference]: Finished difference. Result has 390 places, 404 transitions, 839 flow [2022-04-18 16:32:47,382 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=839, PETRI_PLACES=390, PETRI_TRANSITIONS=404} [2022-04-18 16:32:47,382 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -14 predicate places. [2022-04-18 16:32:47,382 INFO L478 AbstractCegarLoop]: Abstraction has has 390 places, 404 transitions, 839 flow [2022-04-18 16:32:47,383 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 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 16:32:47,383 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:47,383 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 16:32:47,383 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-18 16:32:47,383 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:47,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:47,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1622849653, now seen corresponding path program 1 times [2022-04-18 16:32:47,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:47,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420149305] [2022-04-18 16:32:47,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:47,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:47,402 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 16:32:47,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:47,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420149305] [2022-04-18 16:32:47,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420149305] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:47,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:47,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:47,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066384848] [2022-04-18 16:32:47,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:47,404 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:47,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:47,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:47,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:47,405 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 446 [2022-04-18 16:32:47,406 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 404 transitions, 839 flow. Second operand has 3 states, 3 states have (on average 424.6666666666667) internal successors, (1274), 3 states have internal predecessors, (1274), 0 states have call successors, (0), 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 16:32:47,406 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:47,406 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 446 [2022-04-18 16:32:47,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:47,542 INFO L129 PetriNetUnfolder]: 76/1223 cut-off events. [2022-04-18 16:32:47,542 INFO L130 PetriNetUnfolder]: For 13/16 co-relation queries the response was YES. [2022-04-18 16:32:47,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1296 conditions, 1223 events. 76/1223 cut-off events. For 13/16 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 7828 event pairs, 2 based on Foata normal form. 1/1045 useless extension candidates. Maximal degree in co-relation 1090. Up to 38 conditions per place. [2022-04-18 16:32:47,562 INFO L132 encePairwiseOnDemand]: 442/446 looper letters, 17 selfloop transitions, 2 changer transitions 0/409 dead transitions. [2022-04-18 16:32:47,562 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 409 transitions, 892 flow [2022-04-18 16:32:47,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:47,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:47,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1290 transitions. [2022-04-18 16:32:47,565 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9641255605381166 [2022-04-18 16:32:47,565 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1290 transitions. [2022-04-18 16:32:47,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1290 transitions. [2022-04-18 16:32:47,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:47,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1290 transitions. [2022-04-18 16:32:47,567 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 16:32:47,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:47,569 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:47,569 INFO L186 Difference]: Start difference. First operand has 390 places, 404 transitions, 839 flow. Second operand 3 states and 1290 transitions. [2022-04-18 16:32:47,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 409 transitions, 892 flow [2022-04-18 16:32:47,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 409 transitions, 892 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:32:47,575 INFO L242 Difference]: Finished difference. Result has 391 places, 404 transitions, 849 flow [2022-04-18 16:32:47,575 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=835, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=849, PETRI_PLACES=391, PETRI_TRANSITIONS=404} [2022-04-18 16:32:47,576 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -13 predicate places. [2022-04-18 16:32:47,576 INFO L478 AbstractCegarLoop]: Abstraction has has 391 places, 404 transitions, 849 flow [2022-04-18 16:32:47,577 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.6666666666667) internal successors, (1274), 3 states have internal predecessors, (1274), 0 states have call successors, (0), 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 16:32:47,577 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:47,577 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 16:32:47,577 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-18 16:32:47,577 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:47,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:47,579 INFO L85 PathProgramCache]: Analyzing trace with hash 139786264, now seen corresponding path program 1 times [2022-04-18 16:32:47,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:47,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559691759] [2022-04-18 16:32:47,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:47,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:47,599 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 16:32:47,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:47,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559691759] [2022-04-18 16:32:47,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559691759] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:47,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:47,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:47,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727683331] [2022-04-18 16:32:47,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:47,600 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:47,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:47,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:47,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:47,602 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 446 [2022-04-18 16:32:47,602 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 404 transitions, 849 flow. Second operand has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 0 states have call successors, (0), 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 16:32:47,603 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:47,603 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 446 [2022-04-18 16:32:47,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:48,010 INFO L129 PetriNetUnfolder]: 436/4561 cut-off events. [2022-04-18 16:32:48,011 INFO L130 PetriNetUnfolder]: For 62/140 co-relation queries the response was YES. [2022-04-18 16:32:48,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5002 conditions, 4561 events. 436/4561 cut-off events. For 62/140 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 48374 event pairs, 102 based on Foata normal form. 0/3835 useless extension candidates. Maximal degree in co-relation 4189. Up to 320 conditions per place. [2022-04-18 16:32:48,046 INFO L132 encePairwiseOnDemand]: 438/446 looper letters, 18 selfloop transitions, 4 changer transitions 0/406 dead transitions. [2022-04-18 16:32:48,046 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 406 transitions, 899 flow [2022-04-18 16:32:48,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:48,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:48,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1277 transitions. [2022-04-18 16:32:48,049 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9544095665171899 [2022-04-18 16:32:48,049 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1277 transitions. [2022-04-18 16:32:48,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1277 transitions. [2022-04-18 16:32:48,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:48,049 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1277 transitions. [2022-04-18 16:32:48,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 425.6666666666667) internal successors, (1277), 3 states have internal predecessors, (1277), 0 states have call successors, (0), 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 16:32:48,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:48,053 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:48,053 INFO L186 Difference]: Start difference. First operand has 391 places, 404 transitions, 849 flow. Second operand 3 states and 1277 transitions. [2022-04-18 16:32:48,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 406 transitions, 899 flow [2022-04-18 16:32:48,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 406 transitions, 899 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:32:48,058 INFO L242 Difference]: Finished difference. Result has 390 places, 404 transitions, 869 flow [2022-04-18 16:32:48,059 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=841, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=869, PETRI_PLACES=390, PETRI_TRANSITIONS=404} [2022-04-18 16:32:48,059 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -14 predicate places. [2022-04-18 16:32:48,059 INFO L478 AbstractCegarLoop]: Abstraction has has 390 places, 404 transitions, 869 flow [2022-04-18 16:32:48,060 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 0 states have call successors, (0), 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 16:32:48,060 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:48,060 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 16:32:48,060 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-18 16:32:48,060 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:48,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:48,060 INFO L85 PathProgramCache]: Analyzing trace with hash -2131791826, now seen corresponding path program 1 times [2022-04-18 16:32:48,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:48,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214737106] [2022-04-18 16:32:48,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:48,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:48,079 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 16:32:48,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:48,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214737106] [2022-04-18 16:32:48,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214737106] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:48,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:48,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:48,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094103532] [2022-04-18 16:32:48,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:48,080 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:48,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:48,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:48,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:48,081 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 446 [2022-04-18 16:32:48,082 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 404 transitions, 869 flow. Second operand has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 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 16:32:48,082 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:48,082 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 446 [2022-04-18 16:32:48,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:48,412 INFO L129 PetriNetUnfolder]: 198/2888 cut-off events. [2022-04-18 16:32:48,412 INFO L130 PetriNetUnfolder]: For 16/22 co-relation queries the response was YES. [2022-04-18 16:32:48,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3118 conditions, 2888 events. 198/2888 cut-off events. For 16/22 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 27580 event pairs, 10 based on Foata normal form. 2/2474 useless extension candidates. Maximal degree in co-relation 2702. Up to 94 conditions per place. [2022-04-18 16:32:48,440 INFO L132 encePairwiseOnDemand]: 440/446 looper letters, 19 selfloop transitions, 3 changer transitions 0/409 dead transitions. [2022-04-18 16:32:48,440 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 409 transitions, 928 flow [2022-04-18 16:32:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:48,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:48,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1285 transitions. [2022-04-18 16:32:48,443 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9603886397608371 [2022-04-18 16:32:48,443 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1285 transitions. [2022-04-18 16:32:48,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1285 transitions. [2022-04-18 16:32:48,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:48,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1285 transitions. [2022-04-18 16:32:48,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 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 16:32:48,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:48,447 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:48,447 INFO L186 Difference]: Start difference. First operand has 390 places, 404 transitions, 869 flow. Second operand 3 states and 1285 transitions. [2022-04-18 16:32:48,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 409 transitions, 928 flow [2022-04-18 16:32:48,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 409 transitions, 928 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:32:48,452 INFO L242 Difference]: Finished difference. Result has 390 places, 404 transitions, 884 flow [2022-04-18 16:32:48,453 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=863, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=884, PETRI_PLACES=390, PETRI_TRANSITIONS=404} [2022-04-18 16:32:48,453 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -14 predicate places. [2022-04-18 16:32:48,453 INFO L478 AbstractCegarLoop]: Abstraction has has 390 places, 404 transitions, 884 flow [2022-04-18 16:32:48,454 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 0 states have call successors, (0), 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 16:32:48,454 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:48,454 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 16:32:48,454 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-18 16:32:48,454 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:48,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:48,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1715889692, now seen corresponding path program 1 times [2022-04-18 16:32:48,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:48,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847819156] [2022-04-18 16:32:48,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:48,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:48,477 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 16:32:48,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:48,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847819156] [2022-04-18 16:32:48,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847819156] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:48,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:48,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:48,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120880614] [2022-04-18 16:32:48,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:48,478 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:48,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:48,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:48,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:48,480 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 446 [2022-04-18 16:32:48,481 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 404 transitions, 884 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 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 16:32:48,481 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:48,481 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 446 [2022-04-18 16:32:48,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:48,834 INFO L129 PetriNetUnfolder]: 182/2744 cut-off events. [2022-04-18 16:32:48,834 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-04-18 16:32:48,865 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2993 conditions, 2744 events. 182/2744 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 25954 event pairs, 8 based on Foata normal form. 0/2352 useless extension candidates. Maximal degree in co-relation 2578. Up to 66 conditions per place. [2022-04-18 16:32:48,879 INFO L132 encePairwiseOnDemand]: 443/446 looper letters, 13 selfloop transitions, 2 changer transitions 0/405 dead transitions. [2022-04-18 16:32:48,879 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 405 transitions, 918 flow [2022-04-18 16:32:48,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:48,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:48,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1288 transitions. [2022-04-18 16:32:48,882 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9626307922272048 [2022-04-18 16:32:48,882 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1288 transitions. [2022-04-18 16:32:48,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1288 transitions. [2022-04-18 16:32:48,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:48,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1288 transitions. [2022-04-18 16:32:48,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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 16:32:48,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:48,887 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:48,887 INFO L186 Difference]: Start difference. First operand has 390 places, 404 transitions, 884 flow. Second operand 3 states and 1288 transitions. [2022-04-18 16:32:48,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 405 transitions, 918 flow [2022-04-18 16:32:48,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 405 transitions, 918 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:32:48,893 INFO L242 Difference]: Finished difference. Result has 391 places, 403 transitions, 886 flow [2022-04-18 16:32:48,894 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=886, PETRI_PLACES=391, PETRI_TRANSITIONS=403} [2022-04-18 16:32:48,894 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -13 predicate places. [2022-04-18 16:32:48,894 INFO L478 AbstractCegarLoop]: Abstraction has has 391 places, 403 transitions, 886 flow [2022-04-18 16:32:48,895 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 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 16:32:48,895 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:48,895 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 16:32:48,895 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-18 16:32:48,895 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:48,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:48,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1472178275, now seen corresponding path program 1 times [2022-04-18 16:32:48,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:48,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442172289] [2022-04-18 16:32:48,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:48,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:48,917 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 16:32:48,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:48,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442172289] [2022-04-18 16:32:48,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442172289] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:48,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:48,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:48,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940874600] [2022-04-18 16:32:48,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:48,920 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:48,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:48,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:48,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:48,922 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 446 [2022-04-18 16:32:48,923 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 403 transitions, 886 flow. Second operand has 3 states, 3 states have (on average 424.6666666666667) internal successors, (1274), 3 states have internal predecessors, (1274), 0 states have call successors, (0), 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 16:32:48,923 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:48,924 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 446 [2022-04-18 16:32:48,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:49,348 INFO L129 PetriNetUnfolder]: 154/3168 cut-off events. [2022-04-18 16:32:49,349 INFO L130 PetriNetUnfolder]: For 45/49 co-relation queries the response was YES. [2022-04-18 16:32:49,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3440 conditions, 3168 events. 154/3168 cut-off events. For 45/49 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 28347 event pairs, 6 based on Foata normal form. 0/2795 useless extension candidates. Maximal degree in co-relation 2965. Up to 114 conditions per place. [2022-04-18 16:32:49,391 INFO L132 encePairwiseOnDemand]: 442/446 looper letters, 17 selfloop transitions, 2 changer transitions 0/408 dead transitions. [2022-04-18 16:32:49,391 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 408 transitions, 939 flow [2022-04-18 16:32:49,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:49,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:49,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1290 transitions. [2022-04-18 16:32:49,393 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9641255605381166 [2022-04-18 16:32:49,394 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1290 transitions. [2022-04-18 16:32:49,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1290 transitions. [2022-04-18 16:32:49,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:49,394 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1290 transitions. [2022-04-18 16:32:49,396 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 16:32:49,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:49,398 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:49,398 INFO L186 Difference]: Start difference. First operand has 391 places, 403 transitions, 886 flow. Second operand 3 states and 1290 transitions. [2022-04-18 16:32:49,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 408 transitions, 939 flow [2022-04-18 16:32:49,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 408 transitions, 935 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:49,404 INFO L242 Difference]: Finished difference. Result has 390 places, 403 transitions, 892 flow [2022-04-18 16:32:49,404 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=878, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=892, PETRI_PLACES=390, PETRI_TRANSITIONS=403} [2022-04-18 16:32:49,404 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -14 predicate places. [2022-04-18 16:32:49,404 INFO L478 AbstractCegarLoop]: Abstraction has has 390 places, 403 transitions, 892 flow [2022-04-18 16:32:49,405 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.6666666666667) internal successors, (1274), 3 states have internal predecessors, (1274), 0 states have call successors, (0), 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 16:32:49,405 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:49,405 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 16:32:49,405 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-18 16:32:49,405 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:49,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:49,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1719116486, now seen corresponding path program 1 times [2022-04-18 16:32:49,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:49,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475942294] [2022-04-18 16:32:49,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:49,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:49,424 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 16:32:49,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:49,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475942294] [2022-04-18 16:32:49,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475942294] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:49,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:49,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:49,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633089357] [2022-04-18 16:32:49,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:49,426 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:49,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:49,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:49,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:49,427 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 446 [2022-04-18 16:32:49,428 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 403 transitions, 892 flow. Second operand has 3 states, 3 states have (on average 424.6666666666667) internal successors, (1274), 3 states have internal predecessors, (1274), 0 states have call successors, (0), 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 16:32:49,428 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:49,428 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 446 [2022-04-18 16:32:49,428 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:49,858 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1274] 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[][407], [504#(= |#race~filename_4~0| 0), Black: 478#true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 497#true, 475#(= |#race~isNull_3~0| 0), 480#(= |#race~filename_2~0| 0), Black: 468#true, 330#L80-7true, Black: 473#true]) [2022-04-18 16:32:49,859 INFO L384 tUnfolder$Statistics]: this new event has 267 ancestors and is cut-off event [2022-04-18 16:32:49,859 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:49,859 INFO L387 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-04-18 16:32:49,859 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:49,861 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1274] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][407], [504#(= |#race~filename_4~0| 0), Black: 478#true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), 475#(= |#race~isNull_3~0| 0), Black: 497#true, 480#(= |#race~filename_2~0| 0), Black: 468#true, 330#L80-7true, Black: 473#true]) [2022-04-18 16:32:49,862 INFO L384 tUnfolder$Statistics]: this new event has 225 ancestors and is not cut-off event [2022-04-18 16:32:49,862 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:49,862 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:49,862 INFO L387 tUnfolder$Statistics]: existing Event has 233 ancestors and is not cut-off event [2022-04-18 16:32:49,862 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:49,870 INFO L129 PetriNetUnfolder]: 146/3311 cut-off events. [2022-04-18 16:32:49,870 INFO L130 PetriNetUnfolder]: For 36/42 co-relation queries the response was YES. [2022-04-18 16:32:49,914 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3591 conditions, 3311 events. 146/3311 cut-off events. For 36/42 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 30560 event pairs, 6 based on Foata normal form. 1/2926 useless extension candidates. Maximal degree in co-relation 3116. Up to 87 conditions per place. [2022-04-18 16:32:49,927 INFO L132 encePairwiseOnDemand]: 442/446 looper letters, 17 selfloop transitions, 2 changer transitions 0/408 dead transitions. [2022-04-18 16:32:49,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 408 transitions, 945 flow [2022-04-18 16:32:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:49,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:49,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1290 transitions. [2022-04-18 16:32:49,930 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9641255605381166 [2022-04-18 16:32:49,930 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1290 transitions. [2022-04-18 16:32:49,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1290 transitions. [2022-04-18 16:32:49,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:49,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1290 transitions. [2022-04-18 16:32:49,932 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 16:32:49,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:49,934 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:49,934 INFO L186 Difference]: Start difference. First operand has 390 places, 403 transitions, 892 flow. Second operand 3 states and 1290 transitions. [2022-04-18 16:32:49,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 408 transitions, 945 flow [2022-04-18 16:32:49,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 408 transitions, 945 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:32:49,940 INFO L242 Difference]: Finished difference. Result has 391 places, 403 transitions, 902 flow [2022-04-18 16:32:49,940 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=888, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=902, PETRI_PLACES=391, PETRI_TRANSITIONS=403} [2022-04-18 16:32:49,940 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -13 predicate places. [2022-04-18 16:32:49,940 INFO L478 AbstractCegarLoop]: Abstraction has has 391 places, 403 transitions, 902 flow [2022-04-18 16:32:49,941 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.6666666666667) internal successors, (1274), 3 states have internal predecessors, (1274), 0 states have call successors, (0), 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 16:32:49,941 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:49,941 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 16:32:49,941 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-18 16:32:49,941 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:49,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:49,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1433383674, now seen corresponding path program 1 times [2022-04-18 16:32:49,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:49,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657764422] [2022-04-18 16:32:49,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:49,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:49,961 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 16:32:49,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:49,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657764422] [2022-04-18 16:32:49,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657764422] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:49,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:49,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:49,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562842174] [2022-04-18 16:32:49,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:49,962 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:49,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:49,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:49,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:49,963 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 446 [2022-04-18 16:32:49,964 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 403 transitions, 902 flow. Second operand has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 0 states have call successors, (0), 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 16:32:49,964 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:49,964 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 446 [2022-04-18 16:32:49,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:50,834 INFO L129 PetriNetUnfolder]: 575/8501 cut-off events. [2022-04-18 16:32:50,834 INFO L130 PetriNetUnfolder]: For 145/163 co-relation queries the response was YES. [2022-04-18 16:32:50,912 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9476 conditions, 8501 events. 575/8501 cut-off events. For 145/163 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 101470 event pairs, 76 based on Foata normal form. 1/7589 useless extension candidates. Maximal degree in co-relation 8474. Up to 624 conditions per place. [2022-04-18 16:32:50,936 INFO L132 encePairwiseOnDemand]: 438/446 looper letters, 20 selfloop transitions, 4 changer transitions 0/407 dead transitions. [2022-04-18 16:32:50,936 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 407 transitions, 962 flow [2022-04-18 16:32:50,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:50,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:50,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1279 transitions. [2022-04-18 16:32:50,939 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9559043348281017 [2022-04-18 16:32:50,939 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1279 transitions. [2022-04-18 16:32:50,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1279 transitions. [2022-04-18 16:32:50,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:50,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1279 transitions. [2022-04-18 16:32:50,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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 16:32:50,943 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:50,943 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:50,943 INFO L186 Difference]: Start difference. First operand has 391 places, 403 transitions, 902 flow. Second operand 3 states and 1279 transitions. [2022-04-18 16:32:50,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 407 transitions, 962 flow [2022-04-18 16:32:50,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 407 transitions, 962 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:32:50,948 INFO L242 Difference]: Finished difference. Result has 390 places, 403 transitions, 922 flow [2022-04-18 16:32:50,949 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=894, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=922, PETRI_PLACES=390, PETRI_TRANSITIONS=403} [2022-04-18 16:32:50,949 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -14 predicate places. [2022-04-18 16:32:50,949 INFO L478 AbstractCegarLoop]: Abstraction has has 390 places, 403 transitions, 922 flow [2022-04-18 16:32:50,950 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 0 states have call successors, (0), 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 16:32:50,950 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:50,950 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 16:32:50,950 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-18 16:32:50,950 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:50,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:50,951 INFO L85 PathProgramCache]: Analyzing trace with hash -507003042, now seen corresponding path program 1 times [2022-04-18 16:32:50,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:50,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028149541] [2022-04-18 16:32:50,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:50,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:50,978 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 16:32:50,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:50,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028149541] [2022-04-18 16:32:50,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028149541] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:50,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:50,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:50,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250472995] [2022-04-18 16:32:50,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:50,980 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:50,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:50,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:50,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:50,982 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 446 [2022-04-18 16:32:50,983 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 403 transitions, 922 flow. Second operand has 3 states, 3 states have (on average 425.6666666666667) internal successors, (1277), 3 states have internal predecessors, (1277), 0 states have call successors, (0), 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 16:32:50,983 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:50,984 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 446 [2022-04-18 16:32:50,984 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:51,775 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1274] thread3EXIT-->L80-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem51#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem51#1=|v_ULTIMATE.start_main_#t~mem51#1_5|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][388], [Black: 478#true, 504#(= |#race~filename_4~0| 0), 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 497#true, 475#(= |#race~isNull_3~0| 0), 480#(= |#race~filename_2~0| 0), Black: 468#true, 509#(= |#race~filename_8~0| 0), 512#true, Black: 502#true, Black: 473#true, 330#L80-7true, Black: 507#true]) [2022-04-18 16:32:51,775 INFO L384 tUnfolder$Statistics]: this new event has 267 ancestors and is cut-off event [2022-04-18 16:32:51,775 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:51,775 INFO L387 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-04-18 16:32:51,775 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:51,781 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1274] 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: 478#true, 504#(= |#race~filename_4~0| 0), 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), 475#(= |#race~isNull_3~0| 0), Black: 497#true, Black: 468#true, 509#(= |#race~filename_8~0| 0), 480#(= |#race~filename_2~0| 0), Black: 502#true, 512#true, Black: 473#true, 330#L80-7true, Black: 507#true]) [2022-04-18 16:32:51,781 INFO L384 tUnfolder$Statistics]: this new event has 233 ancestors and is not cut-off event [2022-04-18 16:32:51,781 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:51,781 INFO L387 tUnfolder$Statistics]: existing Event has 233 ancestors and is not cut-off event [2022-04-18 16:32:51,781 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:51,781 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:51,784 INFO L129 PetriNetUnfolder]: 355/6548 cut-off events. [2022-04-18 16:32:51,785 INFO L130 PetriNetUnfolder]: For 67/169 co-relation queries the response was YES. [2022-04-18 16:32:51,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7426 conditions, 6548 events. 355/6548 cut-off events. For 67/169 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 72736 event pairs, 44 based on Foata normal form. 7/5862 useless extension candidates. Maximal degree in co-relation 6393. Up to 187 conditions per place. [2022-04-18 16:32:51,860 INFO L132 encePairwiseOnDemand]: 443/446 looper letters, 13 selfloop transitions, 2 changer transitions 0/404 dead transitions. [2022-04-18 16:32:51,861 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 404 transitions, 956 flow [2022-04-18 16:32:51,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:51,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:51,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1288 transitions. [2022-04-18 16:32:51,863 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9626307922272048 [2022-04-18 16:32:51,863 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1288 transitions. [2022-04-18 16:32:51,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1288 transitions. [2022-04-18 16:32:51,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:51,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1288 transitions. [2022-04-18 16:32:51,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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 16:32:51,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:51,868 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:51,868 INFO L186 Difference]: Start difference. First operand has 390 places, 403 transitions, 922 flow. Second operand 3 states and 1288 transitions. [2022-04-18 16:32:51,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 404 transitions, 956 flow [2022-04-18 16:32:51,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 404 transitions, 956 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:32:51,873 INFO L242 Difference]: Finished difference. Result has 391 places, 402 transitions, 924 flow [2022-04-18 16:32:51,874 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=920, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=924, PETRI_PLACES=391, PETRI_TRANSITIONS=402} [2022-04-18 16:32:51,874 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -13 predicate places. [2022-04-18 16:32:51,874 INFO L478 AbstractCegarLoop]: Abstraction has has 391 places, 402 transitions, 924 flow [2022-04-18 16:32:51,875 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.6666666666667) internal successors, (1277), 3 states have internal predecessors, (1277), 0 states have call successors, (0), 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 16:32:51,875 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:51,875 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 16:32:51,875 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-04-18 16:32:51,875 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:51,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:51,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1127238490, now seen corresponding path program 1 times [2022-04-18 16:32:51,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:51,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261900502] [2022-04-18 16:32:51,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:51,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:51,957 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 16:32:51,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:51,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261900502] [2022-04-18 16:32:51,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261900502] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:51,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:51,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:32:51,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129577704] [2022-04-18 16:32:51,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:51,959 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:32:51,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:51,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:32:51,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:32:51,961 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 446 [2022-04-18 16:32:51,962 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 402 transitions, 924 flow. Second operand has 6 states, 6 states have (on average 410.0) internal successors, (2460), 6 states have internal predecessors, (2460), 0 states have call successors, (0), 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 16:32:51,962 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:51,962 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 446 [2022-04-18 16:32:51,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:52,502 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1274] 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: 478#true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 497#true, 475#(= |#race~isNull_3~0| 0), 480#(= |#race~filename_2~0| 0), 509#(= |#race~filename_8~0| 0), Black: 468#true, 512#true, 521#(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: 473#true, 502#true, 330#L80-7true, Black: 507#true]) [2022-04-18 16:32:52,502 INFO L384 tUnfolder$Statistics]: this new event has 207 ancestors and is not cut-off event [2022-04-18 16:32:52,502 INFO L387 tUnfolder$Statistics]: existing Event has 207 ancestors and is not cut-off event [2022-04-18 16:32:52,502 INFO L387 tUnfolder$Statistics]: existing Event has 207 ancestors and is not cut-off event [2022-04-18 16:32:52,502 INFO L387 tUnfolder$Statistics]: existing Event has 215 ancestors and is not cut-off event [2022-04-18 16:32:52,506 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1274] 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], [504#(= |#race~filename_4~0| 0), Black: 478#true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), 475#(= |#race~isNull_3~0| 0), Black: 497#true, 509#(= |#race~filename_8~0| 0), 480#(= |#race~filename_2~0| 0), Black: 468#true, 521#(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: 502#true, 512#true, 330#L80-7true, Black: 473#true, Black: 507#true]) [2022-04-18 16:32:52,506 INFO L384 tUnfolder$Statistics]: this new event has 241 ancestors and is cut-off event [2022-04-18 16:32:52,506 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:52,506 INFO L387 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-04-18 16:32:52,506 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:52,506 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1274] 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], [504#(= |#race~filename_4~0| 0), Black: 478#true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), 475#(= |#race~isNull_3~0| 0), Black: 497#true, 509#(= |#race~filename_8~0| 0), 480#(= |#race~filename_2~0| 0), Black: 468#true, Black: 502#true, 521#(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)), 512#true, 330#L80-7true, Black: 473#true, Black: 507#true]) [2022-04-18 16:32:52,506 INFO L384 tUnfolder$Statistics]: this new event has 267 ancestors and is cut-off event [2022-04-18 16:32:52,507 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:52,507 INFO L387 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-04-18 16:32:52,507 INFO L387 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-04-18 16:32:52,507 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:52,508 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1274] 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: 478#true, 504#(= |#race~filename_4~0| 0), 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), 475#(= |#race~isNull_3~0| 0), Black: 497#true, 509#(= |#race~filename_8~0| 0), 480#(= |#race~filename_2~0| 0), Black: 468#true, 521#(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)), 512#true, Black: 502#true, 330#L80-7true, Black: 473#true, Black: 507#true]) [2022-04-18 16:32:52,508 INFO L384 tUnfolder$Statistics]: this new event has 267 ancestors and is cut-off event [2022-04-18 16:32:52,508 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:52,508 INFO L387 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-04-18 16:32:52,508 INFO L387 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-04-18 16:32:52,508 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:52,509 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:52,513 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1274] 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: 478#true, 504#(= |#race~filename_4~0| 0), 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), 475#(= |#race~isNull_3~0| 0), Black: 497#true, 480#(= |#race~filename_2~0| 0), 509#(= |#race~filename_8~0| 0), Black: 468#true, 521#(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: 502#true, 512#true, 330#L80-7true, Black: 473#true, Black: 507#true]) [2022-04-18 16:32:52,513 INFO L384 tUnfolder$Statistics]: this new event has 233 ancestors and is not cut-off event [2022-04-18 16:32:52,514 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:52,514 INFO L387 tUnfolder$Statistics]: existing Event has 233 ancestors and is not cut-off event [2022-04-18 16:32:52,514 INFO L387 tUnfolder$Statistics]: existing Event has 241 ancestors and is not cut-off event [2022-04-18 16:32:52,514 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:52,514 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:52,514 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:52,518 INFO L129 PetriNetUnfolder]: 177/3791 cut-off events. [2022-04-18 16:32:52,518 INFO L130 PetriNetUnfolder]: For 5/57 co-relation queries the response was YES. [2022-04-18 16:32:52,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4265 conditions, 3791 events. 177/3791 cut-off events. For 5/57 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 36660 event pairs, 0 based on Foata normal form. 20/3395 useless extension candidates. Maximal degree in co-relation 3742. Up to 104 conditions per place. [2022-04-18 16:32:52,562 INFO L132 encePairwiseOnDemand]: 441/446 looper letters, 23 selfloop transitions, 4 changer transitions 0/401 dead transitions. [2022-04-18 16:32:52,562 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 401 transitions, 976 flow [2022-04-18 16:32:52,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:32:52,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:32:52,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2476 transitions. [2022-04-18 16:32:52,567 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9252615844544095 [2022-04-18 16:32:52,567 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2476 transitions. [2022-04-18 16:32:52,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2476 transitions. [2022-04-18 16:32:52,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:52,568 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2476 transitions. [2022-04-18 16:32:52,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 412.6666666666667) internal successors, (2476), 6 states have internal predecessors, (2476), 0 states have call successors, (0), 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 16:32:52,574 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 446.0) internal successors, (3122), 7 states have internal predecessors, (3122), 0 states have call successors, (0), 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 16:32:52,575 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 446.0) internal successors, (3122), 7 states have internal predecessors, (3122), 0 states have call successors, (0), 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 16:32:52,575 INFO L186 Difference]: Start difference. First operand has 391 places, 402 transitions, 924 flow. Second operand 6 states and 2476 transitions. [2022-04-18 16:32:52,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 401 transitions, 976 flow [2022-04-18 16:32:52,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 401 transitions, 972 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:52,581 INFO L242 Difference]: Finished difference. Result has 393 places, 401 transitions, 926 flow [2022-04-18 16:32:52,581 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=918, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=926, PETRI_PLACES=393, PETRI_TRANSITIONS=401} [2022-04-18 16:32:52,581 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -11 predicate places. [2022-04-18 16:32:52,582 INFO L478 AbstractCegarLoop]: Abstraction has has 393 places, 401 transitions, 926 flow [2022-04-18 16:32:52,582 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 410.0) internal successors, (2460), 6 states have internal predecessors, (2460), 0 states have call successors, (0), 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 16:32:52,582 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:52,582 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 16:32:52,583 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-18 16:32:52,583 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:52,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:52,583 INFO L85 PathProgramCache]: Analyzing trace with hash 547817223, now seen corresponding path program 1 times [2022-04-18 16:32:52,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:52,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960947824] [2022-04-18 16:32:52,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:52,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:52,605 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 16:32:52,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:52,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960947824] [2022-04-18 16:32:52,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960947824] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:52,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:52,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:52,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915582276] [2022-04-18 16:32:52,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:52,606 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:52,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:52,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:52,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:52,608 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 446 [2022-04-18 16:32:52,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 401 transitions, 926 flow. Second operand has 3 states, 3 states have (on average 425.0) internal successors, (1275), 3 states have internal predecessors, (1275), 0 states have call successors, (0), 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 16:32:52,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:52,609 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 446 [2022-04-18 16:32:52,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:53,338 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1274] 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], [523#true, Black: 478#true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 497#true, 475#(= |#race~isNull_3~0| 0), 509#(= |#race~filename_8~0| 0), 480#(= |#race~filename_2~0| 0), Black: 468#true, 521#(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)), 330#L80-7true, Black: 473#true, 502#true, Black: 507#true]) [2022-04-18 16:32:53,338 INFO L384 tUnfolder$Statistics]: this new event has 207 ancestors and is not cut-off event [2022-04-18 16:32:53,338 INFO L387 tUnfolder$Statistics]: existing Event has 207 ancestors and is not cut-off event [2022-04-18 16:32:53,338 INFO L387 tUnfolder$Statistics]: existing Event has 207 ancestors and is not cut-off event [2022-04-18 16:32:53,338 INFO L387 tUnfolder$Statistics]: existing Event has 215 ancestors and is not cut-off event [2022-04-18 16:32:53,375 INFO L129 PetriNetUnfolder]: 299/6335 cut-off events. [2022-04-18 16:32:53,375 INFO L130 PetriNetUnfolder]: For 93/101 co-relation queries the response was YES. [2022-04-18 16:32:53,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7013 conditions, 6335 events. 299/6335 cut-off events. For 93/101 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 68523 event pairs, 20 based on Foata normal form. 0/5773 useless extension candidates. Maximal degree in co-relation 6571. Up to 304 conditions per place. [2022-04-18 16:32:53,428 INFO L132 encePairwiseOnDemand]: 442/446 looper letters, 16 selfloop transitions, 2 changer transitions 0/405 dead transitions. [2022-04-18 16:32:53,428 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 405 transitions, 974 flow [2022-04-18 16:32:53,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:53,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:53,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1289 transitions. [2022-04-18 16:32:53,431 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9633781763826607 [2022-04-18 16:32:53,431 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1289 transitions. [2022-04-18 16:32:53,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1289 transitions. [2022-04-18 16:32:53,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:53,433 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1289 transitions. [2022-04-18 16:32:53,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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 16:32:53,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:53,437 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:53,437 INFO L186 Difference]: Start difference. First operand has 393 places, 401 transitions, 926 flow. Second operand 3 states and 1289 transitions. [2022-04-18 16:32:53,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 405 transitions, 974 flow [2022-04-18 16:32:53,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 405 transitions, 967 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:32:53,442 INFO L242 Difference]: Finished difference. Result has 390 places, 401 transitions, 929 flow [2022-04-18 16:32:53,442 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=929, PETRI_PLACES=390, PETRI_TRANSITIONS=401} [2022-04-18 16:32:53,443 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -14 predicate places. [2022-04-18 16:32:53,443 INFO L478 AbstractCegarLoop]: Abstraction has has 390 places, 401 transitions, 929 flow [2022-04-18 16:32:53,443 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.0) internal successors, (1275), 3 states have internal predecessors, (1275), 0 states have call successors, (0), 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 16:32:53,443 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:53,444 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 16:32:53,444 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-18 16:32:53,444 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:53,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:53,444 INFO L85 PathProgramCache]: Analyzing trace with hash 485446516, now seen corresponding path program 1 times [2022-04-18 16:32:53,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:53,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056267464] [2022-04-18 16:32:53,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:53,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:53,465 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 16:32:53,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:53,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056267464] [2022-04-18 16:32:53,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056267464] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:53,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:53,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:53,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261192582] [2022-04-18 16:32:53,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:53,466 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:53,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:53,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:53,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:53,468 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 446 [2022-04-18 16:32:53,469 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 401 transitions, 929 flow. Second operand has 3 states, 3 states have (on average 426.0) internal successors, (1278), 3 states have internal predecessors, (1278), 0 states have call successors, (0), 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 16:32:53,469 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:53,470 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 446 [2022-04-18 16:32:53,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:54,094 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1203] L56-46-->L56-47: Formula: true InVars {} OutVars{thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_#t~nondet24#1][250], [523#true, Black: 478#true, 205#L79-7true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 283#L56-47true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 497#true, 475#(= |#race~isNull_3~0| 0), 509#(= |#race~filename_8~0| 0), 528#true, 480#(= |#race~filename_2~0| 0), Black: 468#true, 521#(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: 473#true, 502#true, Black: 507#true]) [2022-04-18 16:32:54,094 INFO L384 tUnfolder$Statistics]: this new event has 187 ancestors and is not cut-off event [2022-04-18 16:32:54,094 INFO L387 tUnfolder$Statistics]: existing Event has 187 ancestors and is not cut-off event [2022-04-18 16:32:54,094 INFO L387 tUnfolder$Statistics]: existing Event has 187 ancestors and is not cut-off event [2022-04-18 16:32:54,094 INFO L387 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-04-18 16:32:54,154 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1273] thread2EXIT-->L79-7: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem50#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} AuxVars[] AssignedVars[][375], [504#(= |#race~filename_4~0| 0), Black: 478#true, 485#(= |#race~isNull_6~0| 0), 205#L79-7true, 470#(= |#race~isNull_0~0| 0), Black: 483#true, 283#L56-47true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 523#true, 525#(= |#race~filename_7~0| 0), Black: 497#true, 475#(= |#race~isNull_3~0| 0), 509#(= |#race~filename_8~0| 0), 480#(= |#race~filename_2~0| 0), Black: 468#true, 528#true, 521#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 502#true, Black: 473#true, Black: 507#true]) [2022-04-18 16:32:54,154 INFO L384 tUnfolder$Statistics]: this new event has 239 ancestors and is cut-off event [2022-04-18 16:32:54,154 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is cut-off event [2022-04-18 16:32:54,155 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-04-18 16:32:54,155 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-04-18 16:32:54,164 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1273] 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], [504#(= |#race~filename_4~0| 0), Black: 478#true, 205#L79-7true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), 283#L56-47true, Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 523#true, 525#(= |#race~filename_7~0| 0), 475#(= |#race~isNull_3~0| 0), Black: 497#true, 509#(= |#race~filename_8~0| 0), 528#true, 480#(= |#race~filename_2~0| 0), Black: 468#true, 521#(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: 502#true, Black: 473#true, Black: 507#true]) [2022-04-18 16:32:54,164 INFO L384 tUnfolder$Statistics]: this new event has 247 ancestors and is cut-off event [2022-04-18 16:32:54,164 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is cut-off event [2022-04-18 16:32:54,164 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-04-18 16:32:54,164 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-04-18 16:32:54,164 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-04-18 16:32:54,166 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1273] 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], [504#(= |#race~filename_4~0| 0), Black: 478#true, 205#L79-7true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), 530#(= |thread3Thread1of1ForFork1_#t~nondet24#1| |#race~result_11~0|), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 523#true, 525#(= |#race~filename_7~0| 0), 475#(= |#race~isNull_3~0| 0), Black: 497#true, 509#(= |#race~filename_8~0| 0), 480#(= |#race~filename_2~0| 0), Black: 468#true, 521#(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)), 103#L56-48true, Black: 502#true, Black: 473#true, Black: 507#true]) [2022-04-18 16:32:54,166 INFO L384 tUnfolder$Statistics]: this new event has 248 ancestors and is cut-off event [2022-04-18 16:32:54,166 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:32:54,166 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is cut-off event [2022-04-18 16:32:54,166 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:32:54,168 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1273] 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], [504#(= |#race~filename_4~0| 0), Black: 478#true, 205#L79-7true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), 290#L56-49true, 530#(= |thread3Thread1of1ForFork1_#t~nondet24#1| |#race~result_11~0|), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 523#true, 525#(= |#race~filename_7~0| 0), 475#(= |#race~isNull_3~0| 0), Black: 497#true, 509#(= |#race~filename_8~0| 0), 480#(= |#race~filename_2~0| 0), Black: 468#true, 521#(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: 502#true, Black: 473#true, Black: 507#true]) [2022-04-18 16:32:54,168 INFO L384 tUnfolder$Statistics]: this new event has 249 ancestors and is cut-off event [2022-04-18 16:32:54,168 INFO L387 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-04-18 16:32:54,168 INFO L387 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-04-18 16:32:54,168 INFO L387 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-04-18 16:32:54,176 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1273] 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], [504#(= |#race~filename_4~0| 0), Black: 478#true, 205#L79-7true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 523#true, 525#(= |#race~filename_7~0| 0), 156#L58true, 475#(= |#race~isNull_3~0| 0), Black: 497#true, 509#(= |#race~filename_8~0| 0), 480#(= |#race~filename_2~0| 0), Black: 468#true, 528#true, 521#(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: 502#true, Black: 473#true, Black: 507#true]) [2022-04-18 16:32:54,177 INFO L384 tUnfolder$Statistics]: this new event has 257 ancestors and is cut-off event [2022-04-18 16:32:54,177 INFO L387 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-04-18 16:32:54,177 INFO L387 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-04-18 16:32:54,177 INFO L387 tUnfolder$Statistics]: existing Event has 257 ancestors and is cut-off event [2022-04-18 16:32:54,178 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1203] L56-46-->L56-47: Formula: true InVars {} OutVars{thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_#t~nondet24#1][250], [504#(= |#race~filename_4~0| 0), Black: 478#true, 205#L79-7true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 283#L56-47true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 523#true, 525#(= |#race~filename_7~0| 0), 475#(= |#race~isNull_3~0| 0), Black: 497#true, 509#(= |#race~filename_8~0| 0), 480#(= |#race~filename_2~0| 0), Black: 468#true, 528#true, 521#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 502#true, Black: 473#true, Black: 507#true]) [2022-04-18 16:32:54,178 INFO L384 tUnfolder$Statistics]: this new event has 239 ancestors and is cut-off event [2022-04-18 16:32:54,178 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-04-18 16:32:54,178 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is cut-off event [2022-04-18 16:32:54,178 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is cut-off event [2022-04-18 16:32:54,179 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1203] L56-46-->L56-47: Formula: true InVars {} OutVars{thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_#t~nondet24#1][250], [504#(= |#race~filename_4~0| 0), Black: 478#true, 205#L79-7true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 283#L56-47true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 523#true, 525#(= |#race~filename_7~0| 0), 475#(= |#race~isNull_3~0| 0), Black: 497#true, 509#(= |#race~filename_8~0| 0), 480#(= |#race~filename_2~0| 0), Black: 468#true, 528#true, 521#(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: 502#true, Black: 473#true, Black: 507#true]) [2022-04-18 16:32:54,179 INFO L384 tUnfolder$Statistics]: this new event has 273 ancestors and is cut-off event [2022-04-18 16:32:54,179 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-04-18 16:32:54,179 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is cut-off event [2022-04-18 16:32:54,179 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-04-18 16:32:54,179 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is cut-off event [2022-04-18 16:32:54,179 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1203] L56-46-->L56-47: Formula: true InVars {} OutVars{thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_#t~nondet24#1][250], [504#(= |#race~filename_4~0| 0), Black: 478#true, 205#L79-7true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 283#L56-47true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 523#true, 525#(= |#race~filename_7~0| 0), 475#(= |#race~isNull_3~0| 0), Black: 497#true, 509#(= |#race~filename_8~0| 0), 480#(= |#race~filename_2~0| 0), Black: 468#true, 528#true, 521#(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: 502#true, Black: 473#true, Black: 507#true]) [2022-04-18 16:32:54,179 INFO L384 tUnfolder$Statistics]: this new event has 247 ancestors and is cut-off event [2022-04-18 16:32:54,180 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-04-18 16:32:54,180 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is cut-off event [2022-04-18 16:32:54,180 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-04-18 16:32:54,180 INFO L387 tUnfolder$Statistics]: existing Event has 273 ancestors and is cut-off event [2022-04-18 16:32:54,180 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is cut-off event [2022-04-18 16:32:54,188 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1203] L56-46-->L56-47: Formula: true InVars {} OutVars{thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_#t~nondet24#1][250], [504#(= |#race~filename_4~0| 0), Black: 478#true, 485#(= |#race~isNull_6~0| 0), 205#L79-7true, 283#L56-47true, 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 523#true, 525#(= |#race~filename_7~0| 0), Black: 497#true, 475#(= |#race~isNull_3~0| 0), 528#true, 509#(= |#race~filename_8~0| 0), 480#(= |#race~filename_2~0| 0), Black: 468#true, 521#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 502#true, Black: 473#true, Black: 507#true]) [2022-04-18 16:32:54,188 INFO L384 tUnfolder$Statistics]: this new event has 239 ancestors and is not cut-off event [2022-04-18 16:32:54,188 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is not cut-off event [2022-04-18 16:32:54,188 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is not cut-off event [2022-04-18 16:32:54,188 INFO L387 tUnfolder$Statistics]: existing Event has 239 ancestors and is not cut-off event [2022-04-18 16:32:54,188 INFO L387 tUnfolder$Statistics]: existing Event has 273 ancestors and is not cut-off event [2022-04-18 16:32:54,189 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is not cut-off event [2022-04-18 16:32:54,189 INFO L387 tUnfolder$Statistics]: existing Event has 247 ancestors and is not cut-off event [2022-04-18 16:32:54,189 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1273] 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], [504#(= |#race~filename_4~0| 0), Black: 478#true, 205#L79-7true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), 530#(= |thread3Thread1of1ForFork1_#t~nondet24#1| |#race~result_11~0|), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 523#true, 525#(= |#race~filename_7~0| 0), Black: 497#true, 475#(= |#race~isNull_3~0| 0), 509#(= |#race~filename_8~0| 0), 480#(= |#race~filename_2~0| 0), Black: 468#true, 521#(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: 502#true, 103#L56-48true, Black: 473#true, Black: 507#true]) [2022-04-18 16:32:54,189 INFO L384 tUnfolder$Statistics]: this new event has 240 ancestors and is cut-off event [2022-04-18 16:32:54,189 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:32:54,189 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is cut-off event [2022-04-18 16:32:54,189 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:32:54,189 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is cut-off event [2022-04-18 16:32:54,190 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1273] 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], [504#(= |#race~filename_4~0| 0), Black: 478#true, 205#L79-7true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), 290#L56-49true, 530#(= |thread3Thread1of1ForFork1_#t~nondet24#1| |#race~result_11~0|), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 523#true, 525#(= |#race~filename_7~0| 0), Black: 497#true, 475#(= |#race~isNull_3~0| 0), 509#(= |#race~filename_8~0| 0), 480#(= |#race~filename_2~0| 0), Black: 468#true, 521#(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: 502#true, Black: 473#true, Black: 507#true]) [2022-04-18 16:32:54,190 INFO L384 tUnfolder$Statistics]: this new event has 241 ancestors and is cut-off event [2022-04-18 16:32:54,190 INFO L387 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-04-18 16:32:54,190 INFO L387 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-04-18 16:32:54,190 INFO L387 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-04-18 16:32:54,190 INFO L387 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-04-18 16:32:54,192 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1273] thread2EXIT-->L79-7: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem50#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} OutVars{thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem50#1=|v_ULTIMATE.start_main_#t~mem50#1_5|} AuxVars[] AssignedVars[][375], [504#(= |#race~filename_4~0| 0), Black: 478#true, 205#L79-7true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 523#true, 156#L58true, 525#(= |#race~filename_7~0| 0), Black: 497#true, 475#(= |#race~isNull_3~0| 0), 528#true, 509#(= |#race~filename_8~0| 0), 480#(= |#race~filename_2~0| 0), Black: 468#true, 521#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 502#true, Black: 473#true, Black: 507#true]) [2022-04-18 16:32:54,192 INFO L384 tUnfolder$Statistics]: this new event has 249 ancestors and is cut-off event [2022-04-18 16:32:54,192 INFO L387 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-04-18 16:32:54,192 INFO L387 tUnfolder$Statistics]: existing Event has 257 ancestors and is cut-off event [2022-04-18 16:32:54,192 INFO L387 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-04-18 16:32:54,193 INFO L387 tUnfolder$Statistics]: existing Event has 257 ancestors and is cut-off event [2022-04-18 16:32:54,194 INFO L129 PetriNetUnfolder]: 450/5239 cut-off events. [2022-04-18 16:32:54,194 INFO L130 PetriNetUnfolder]: For 280/310 co-relation queries the response was YES. [2022-04-18 16:32:54,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6498 conditions, 5239 events. 450/5239 cut-off events. For 280/310 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 57203 event pairs, 96 based on Foata normal form. 0/4765 useless extension candidates. Maximal degree in co-relation 6373. Up to 453 conditions per place. [2022-04-18 16:32:54,258 INFO L132 encePairwiseOnDemand]: 443/446 looper letters, 12 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2022-04-18 16:32:54,259 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 402 transitions, 961 flow [2022-04-18 16:32:54,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:54,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:54,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1287 transitions. [2022-04-18 16:32:54,261 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9618834080717489 [2022-04-18 16:32:54,261 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1287 transitions. [2022-04-18 16:32:54,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1287 transitions. [2022-04-18 16:32:54,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:54,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1287 transitions. [2022-04-18 16:32:54,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 0 states have call successors, (0), 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 16:32:54,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:54,265 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:54,265 INFO L186 Difference]: Start difference. First operand has 390 places, 401 transitions, 929 flow. Second operand 3 states and 1287 transitions. [2022-04-18 16:32:54,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 402 transitions, 961 flow [2022-04-18 16:32:54,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 402 transitions, 961 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:32:54,271 INFO L242 Difference]: Finished difference. Result has 391 places, 400 transitions, 931 flow [2022-04-18 16:32:54,271 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=927, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=931, PETRI_PLACES=391, PETRI_TRANSITIONS=400} [2022-04-18 16:32:54,272 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -13 predicate places. [2022-04-18 16:32:54,272 INFO L478 AbstractCegarLoop]: Abstraction has has 391 places, 400 transitions, 931 flow [2022-04-18 16:32:54,272 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 426.0) internal successors, (1278), 3 states have internal predecessors, (1278), 0 states have call successors, (0), 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 16:32:54,272 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:54,272 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 16:32:54,272 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-04-18 16:32:54,273 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:54,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:54,273 INFO L85 PathProgramCache]: Analyzing trace with hash 2121743495, now seen corresponding path program 1 times [2022-04-18 16:32:54,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:54,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375107730] [2022-04-18 16:32:54,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:54,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:54,360 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 16:32:54,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:54,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375107730] [2022-04-18 16:32:54,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375107730] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:54,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:54,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:32:54,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273002714] [2022-04-18 16:32:54,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:54,362 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:32:54,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:54,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:32:54,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:32:54,364 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 446 [2022-04-18 16:32:54,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 400 transitions, 931 flow. Second operand has 6 states, 6 states have (on average 411.0) internal successors, (2466), 6 states have internal predecessors, (2466), 0 states have call successors, (0), 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 16:32:54,366 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:54,366 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 446 [2022-04-18 16:32:54,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:54,928 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1274] 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], [523#true, Black: 478#true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 537#(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|)))), 497#true, 475#(= |#race~isNull_3~0| 0), 528#true, 480#(= |#race~filename_2~0| 0), Black: 468#true, 509#(= |#race~filename_8~0| 0), 521#(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)), 330#L80-7true, Black: 473#true, 502#true, Black: 507#true]) [2022-04-18 16:32:54,929 INFO L384 tUnfolder$Statistics]: this new event has 207 ancestors and is not cut-off event [2022-04-18 16:32:54,929 INFO L387 tUnfolder$Statistics]: existing Event has 207 ancestors and is not cut-off event [2022-04-18 16:32:54,929 INFO L387 tUnfolder$Statistics]: existing Event has 215 ancestors and is not cut-off event [2022-04-18 16:32:54,929 INFO L387 tUnfolder$Statistics]: existing Event has 207 ancestors and is not cut-off event [2022-04-18 16:32:54,941 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1274] 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], [504#(= |#race~filename_4~0| 0), Black: 478#true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 523#true, 537#(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|)))), 525#(= |#race~filename_7~0| 0), 475#(= |#race~isNull_3~0| 0), Black: 497#true, 509#(= |#race~filename_8~0| 0), 528#true, 480#(= |#race~filename_2~0| 0), Black: 468#true, 521#(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: 502#true, Black: 473#true, 330#L80-7true, Black: 507#true]) [2022-04-18 16:32:54,941 INFO L384 tUnfolder$Statistics]: this new event has 293 ancestors and is cut-off event [2022-04-18 16:32:54,941 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:54,941 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:54,941 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:54,941 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1274] 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], [504#(= |#race~filename_4~0| 0), Black: 478#true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 523#true, 537#(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|)))), 525#(= |#race~filename_7~0| 0), 475#(= |#race~isNull_3~0| 0), Black: 497#true, 509#(= |#race~filename_8~0| 0), 528#true, 480#(= |#race~filename_2~0| 0), Black: 468#true, 521#(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: 502#true, Black: 473#true, 330#L80-7true, Black: 507#true]) [2022-04-18 16:32:54,941 INFO L384 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-04-18 16:32:54,941 INFO L387 tUnfolder$Statistics]: existing Event has 293 ancestors and is cut-off event [2022-04-18 16:32:54,941 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:54,941 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:54,942 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:54,942 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1274] 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], [504#(= |#race~filename_4~0| 0), Black: 478#true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 523#true, 537#(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|)))), 525#(= |#race~filename_7~0| 0), 475#(= |#race~isNull_3~0| 0), Black: 497#true, 509#(= |#race~filename_8~0| 0), 528#true, 480#(= |#race~filename_2~0| 0), Black: 468#true, 521#(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: 502#true, 330#L80-7true, Black: 473#true, Black: 507#true]) [2022-04-18 16:32:54,942 INFO L384 tUnfolder$Statistics]: this new event has 267 ancestors and is cut-off event [2022-04-18 16:32:54,942 INFO L387 tUnfolder$Statistics]: existing Event has 293 ancestors and is cut-off event [2022-04-18 16:32:54,942 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:54,942 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:54,942 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:54,942 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:54,946 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1274] 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: 478#true, 504#(= |#race~filename_4~0| 0), 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 523#true, 537#(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|)))), 525#(= |#race~filename_7~0| 0), Black: 497#true, 475#(= |#race~isNull_3~0| 0), 528#true, 480#(= |#race~filename_2~0| 0), Black: 468#true, 509#(= |#race~filename_8~0| 0), 521#(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: 502#true, 330#L80-7true, Black: 473#true, Black: 507#true]) [2022-04-18 16:32:54,946 INFO L384 tUnfolder$Statistics]: this new event has 259 ancestors and is not cut-off event [2022-04-18 16:32:54,946 INFO L387 tUnfolder$Statistics]: existing Event has 293 ancestors and is not cut-off event [2022-04-18 16:32:54,946 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:54,946 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:54,947 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:54,947 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:54,947 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:54,948 INFO L129 PetriNetUnfolder]: 188/4112 cut-off events. [2022-04-18 16:32:54,948 INFO L130 PetriNetUnfolder]: For 5/55 co-relation queries the response was YES. [2022-04-18 16:32:55,005 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4818 conditions, 4112 events. 188/4112 cut-off events. For 5/55 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 40274 event pairs, 0 based on Foata normal form. 8/3788 useless extension candidates. Maximal degree in co-relation 4685. Up to 96 conditions per place. [2022-04-18 16:32:55,017 INFO L132 encePairwiseOnDemand]: 441/446 looper letters, 22 selfloop transitions, 4 changer transitions 0/399 dead transitions. [2022-04-18 16:32:55,018 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 399 transitions, 981 flow [2022-04-18 16:32:55,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:32:55,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:32:55,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2475 transitions. [2022-04-18 16:32:55,021 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9248878923766816 [2022-04-18 16:32:55,021 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2475 transitions. [2022-04-18 16:32:55,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2475 transitions. [2022-04-18 16:32:55,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:55,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2475 transitions. [2022-04-18 16:32:55,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 412.5) internal successors, (2475), 6 states have internal predecessors, (2475), 0 states have call successors, (0), 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 16:32:55,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 446.0) internal successors, (3122), 7 states have internal predecessors, (3122), 0 states have call successors, (0), 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 16:32:55,030 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 446.0) internal successors, (3122), 7 states have internal predecessors, (3122), 0 states have call successors, (0), 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 16:32:55,030 INFO L186 Difference]: Start difference. First operand has 391 places, 400 transitions, 931 flow. Second operand 6 states and 2475 transitions. [2022-04-18 16:32:55,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 399 transitions, 981 flow [2022-04-18 16:32:55,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 399 transitions, 977 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:55,040 INFO L242 Difference]: Finished difference. Result has 393 places, 399 transitions, 933 flow [2022-04-18 16:32:55,042 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=925, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=933, PETRI_PLACES=393, PETRI_TRANSITIONS=399} [2022-04-18 16:32:55,043 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -11 predicate places. [2022-04-18 16:32:55,043 INFO L478 AbstractCegarLoop]: Abstraction has has 393 places, 399 transitions, 933 flow [2022-04-18 16:32:55,043 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 411.0) internal successors, (2466), 6 states have internal predecessors, (2466), 0 states have call successors, (0), 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 16:32:55,044 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:55,044 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 16:32:55,044 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-04-18 16:32:55,044 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:55,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:55,044 INFO L85 PathProgramCache]: Analyzing trace with hash 2027895389, now seen corresponding path program 1 times [2022-04-18 16:32:55,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:55,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033989767] [2022-04-18 16:32:55,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:55,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:55,141 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 16:32:55,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:55,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033989767] [2022-04-18 16:32:55,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033989767] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:55,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:55,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:32:55,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421462197] [2022-04-18 16:32:55,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:55,142 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:32:55,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:55,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:32:55,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:32:55,145 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 446 [2022-04-18 16:32:55,146 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 399 transitions, 933 flow. Second operand has 6 states, 6 states have (on average 412.0) internal successors, (2472), 6 states have internal predecessors, (2472), 0 states have call successors, (0), 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 16:32:55,146 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:55,146 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 446 [2022-04-18 16:32:55,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:55,589 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1274] 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[][382], [523#true, Black: 478#true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 497#true, 537#(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|)))), 475#(= |#race~isNull_3~0| 0), 544#(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)), 509#(= |#race~filename_8~0| 0), 480#(= |#race~filename_2~0| 0), Black: 468#true, 521#(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)), 330#L80-7true, Black: 473#true, 502#true, Black: 507#true]) [2022-04-18 16:32:55,589 INFO L384 tUnfolder$Statistics]: this new event has 207 ancestors and is not cut-off event [2022-04-18 16:32:55,589 INFO L387 tUnfolder$Statistics]: existing Event has 207 ancestors and is not cut-off event [2022-04-18 16:32:55,589 INFO L387 tUnfolder$Statistics]: existing Event has 215 ancestors and is not cut-off event [2022-04-18 16:32:55,589 INFO L387 tUnfolder$Statistics]: existing Event has 207 ancestors and is not cut-off event [2022-04-18 16:32:55,600 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1274] 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[][382], [504#(= |#race~filename_4~0| 0), Black: 478#true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 523#true, 537#(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|)))), 525#(= |#race~filename_7~0| 0), 475#(= |#race~isNull_3~0| 0), Black: 497#true, 544#(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)), 509#(= |#race~filename_8~0| 0), 480#(= |#race~filename_2~0| 0), Black: 468#true, 521#(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: 502#true, 330#L80-7true, Black: 473#true, Black: 507#true]) [2022-04-18 16:32:55,600 INFO L384 tUnfolder$Statistics]: this new event has 293 ancestors and is cut-off event [2022-04-18 16:32:55,600 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:55,600 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:55,600 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:55,600 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1274] 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[][382], [504#(= |#race~filename_4~0| 0), Black: 478#true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 523#true, 537#(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|)))), 525#(= |#race~filename_7~0| 0), 475#(= |#race~isNull_3~0| 0), Black: 497#true, 544#(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)), 509#(= |#race~filename_8~0| 0), 480#(= |#race~filename_2~0| 0), Black: 468#true, 521#(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: 502#true, 330#L80-7true, Black: 473#true, Black: 507#true]) [2022-04-18 16:32:55,601 INFO L384 tUnfolder$Statistics]: this new event has 267 ancestors and is cut-off event [2022-04-18 16:32:55,601 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:55,601 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:55,601 INFO L387 tUnfolder$Statistics]: existing Event has 293 ancestors and is cut-off event [2022-04-18 16:32:55,601 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:55,601 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1274] 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[][382], [504#(= |#race~filename_4~0| 0), Black: 478#true, 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 523#true, 537#(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|)))), 525#(= |#race~filename_7~0| 0), 475#(= |#race~isNull_3~0| 0), Black: 497#true, 544#(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)), 509#(= |#race~filename_8~0| 0), 480#(= |#race~filename_2~0| 0), Black: 468#true, 521#(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: 502#true, Black: 473#true, 330#L80-7true, Black: 507#true]) [2022-04-18 16:32:55,601 INFO L384 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-04-18 16:32:55,601 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:32:55,601 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:55,601 INFO L387 tUnfolder$Statistics]: existing Event has 293 ancestors and is cut-off event [2022-04-18 16:32:55,601 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:55,602 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:32:55,605 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1274] 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[][382], [Black: 478#true, 504#(= |#race~filename_4~0| 0), 485#(= |#race~isNull_6~0| 0), 470#(= |#race~isNull_0~0| 0), Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 523#true, 537#(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|)))), 525#(= |#race~filename_7~0| 0), 475#(= |#race~isNull_3~0| 0), Black: 497#true, 544#(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)), 509#(= |#race~filename_8~0| 0), 480#(= |#race~filename_2~0| 0), Black: 468#true, 521#(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: 502#true, Black: 473#true, 330#L80-7true, Black: 507#true]) [2022-04-18 16:32:55,605 INFO L384 tUnfolder$Statistics]: this new event has 259 ancestors and is not cut-off event [2022-04-18 16:32:55,605 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:55,605 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:55,605 INFO L387 tUnfolder$Statistics]: existing Event has 293 ancestors and is not cut-off event [2022-04-18 16:32:55,605 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:55,605 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:32:55,605 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:32:55,606 INFO L129 PetriNetUnfolder]: 188/4103 cut-off events. [2022-04-18 16:32:55,606 INFO L130 PetriNetUnfolder]: For 8/58 co-relation queries the response was YES. [2022-04-18 16:32:55,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4662 conditions, 4103 events. 188/4103 cut-off events. For 8/58 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 40192 event pairs, 0 based on Foata normal form. 0/3780 useless extension candidates. Maximal degree in co-relation 4529. Up to 95 conditions per place. [2022-04-18 16:32:55,656 INFO L132 encePairwiseOnDemand]: 441/446 looper letters, 21 selfloop transitions, 4 changer transitions 0/398 dead transitions. [2022-04-18 16:32:55,656 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 398 transitions, 981 flow [2022-04-18 16:32:55,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:32:55,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:32:55,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2474 transitions. [2022-04-18 16:32:55,660 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9245142002989537 [2022-04-18 16:32:55,660 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2474 transitions. [2022-04-18 16:32:55,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2474 transitions. [2022-04-18 16:32:55,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:55,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2474 transitions. [2022-04-18 16:32:55,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 412.3333333333333) internal successors, (2474), 6 states have internal predecessors, (2474), 0 states have call successors, (0), 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 16:32:55,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 446.0) internal successors, (3122), 7 states have internal predecessors, (3122), 0 states have call successors, (0), 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 16:32:55,666 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 446.0) internal successors, (3122), 7 states have internal predecessors, (3122), 0 states have call successors, (0), 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 16:32:55,666 INFO L186 Difference]: Start difference. First operand has 393 places, 399 transitions, 933 flow. Second operand 6 states and 2474 transitions. [2022-04-18 16:32:55,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 398 transitions, 981 flow [2022-04-18 16:32:55,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 398 transitions, 974 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:32:55,671 INFO L242 Difference]: Finished difference. Result has 393 places, 398 transitions, 932 flow [2022-04-18 16:32:55,672 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=924, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=932, PETRI_PLACES=393, PETRI_TRANSITIONS=398} [2022-04-18 16:32:55,672 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -11 predicate places. [2022-04-18 16:32:55,672 INFO L478 AbstractCegarLoop]: Abstraction has has 393 places, 398 transitions, 932 flow [2022-04-18 16:32:55,673 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 412.0) internal successors, (2472), 6 states have internal predecessors, (2472), 0 states have call successors, (0), 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 16:32:55,673 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:55,673 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 16:32:55,673 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-04-18 16:32:55,673 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:55,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:55,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1731957578, now seen corresponding path program 1 times [2022-04-18 16:32:55,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:55,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440180674] [2022-04-18 16:32:55,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:55,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:55,712 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 16:32:55,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:55,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440180674] [2022-04-18 16:32:55,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440180674] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:55,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:55,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 16:32:55,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457438385] [2022-04-18 16:32:55,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:55,713 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:55,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:55,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:55,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:55,715 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 446 [2022-04-18 16:32:55,715 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 398 transitions, 932 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 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 16:32:55,715 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:55,715 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 446 [2022-04-18 16:32:55,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:57,097 INFO L129 PetriNetUnfolder]: 601/12827 cut-off events. [2022-04-18 16:32:57,097 INFO L130 PetriNetUnfolder]: For 183/359 co-relation queries the response was YES. [2022-04-18 16:32:57,155 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14697 conditions, 12827 events. 601/12827 cut-off events. For 183/359 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 164374 event pairs, 94 based on Foata normal form. 0/11902 useless extension candidates. Maximal degree in co-relation 14142. Up to 331 conditions per place. [2022-04-18 16:32:57,173 INFO L132 encePairwiseOnDemand]: 436/446 looper letters, 18 selfloop transitions, 6 changer transitions 0/406 dead transitions. [2022-04-18 16:32:57,173 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 406 transitions, 1000 flow [2022-04-18 16:32:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:57,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:57,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1294 transitions. [2022-04-18 16:32:57,176 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9671150971599403 [2022-04-18 16:32:57,176 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1294 transitions. [2022-04-18 16:32:57,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1294 transitions. [2022-04-18 16:32:57,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:57,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1294 transitions. [2022-04-18 16:32:57,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 0 states have call successors, (0), 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 16:32:57,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:57,179 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:57,179 INFO L186 Difference]: Start difference. First operand has 393 places, 398 transitions, 932 flow. Second operand 3 states and 1294 transitions. [2022-04-18 16:32:57,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 406 transitions, 1000 flow [2022-04-18 16:32:57,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 406 transitions, 993 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:32:57,185 INFO L242 Difference]: Finished difference. Result has 393 places, 402 transitions, 973 flow [2022-04-18 16:32:57,185 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=925, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=973, PETRI_PLACES=393, PETRI_TRANSITIONS=402} [2022-04-18 16:32:57,185 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -11 predicate places. [2022-04-18 16:32:57,186 INFO L478 AbstractCegarLoop]: Abstraction has has 393 places, 402 transitions, 973 flow [2022-04-18 16:32:57,186 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 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 16:32:57,186 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:57,186 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 16:32:57,186 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-04-18 16:32:57,186 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:57,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:57,187 INFO L85 PathProgramCache]: Analyzing trace with hash -606786086, now seen corresponding path program 2 times [2022-04-18 16:32:57,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:57,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007139138] [2022-04-18 16:32:57,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:57,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:57,216 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 16:32:57,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:57,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007139138] [2022-04-18 16:32:57,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007139138] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:57,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:57,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 16:32:57,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579977443] [2022-04-18 16:32:57,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:57,217 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:57,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:57,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:57,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:57,219 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 446 [2022-04-18 16:32:57,220 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 402 transitions, 973 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 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 16:32:57,220 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:57,220 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 446 [2022-04-18 16:32:57,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:58,040 INFO L129 PetriNetUnfolder]: 465/8585 cut-off events. [2022-04-18 16:32:58,040 INFO L130 PetriNetUnfolder]: For 524/740 co-relation queries the response was YES. [2022-04-18 16:32:58,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10112 conditions, 8585 events. 465/8585 cut-off events. For 524/740 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 99566 event pairs, 66 based on Foata normal form. 62/8067 useless extension candidates. Maximal degree in co-relation 9014. Up to 250 conditions per place. [2022-04-18 16:32:58,144 INFO L132 encePairwiseOnDemand]: 438/446 looper letters, 24 selfloop transitions, 4 changer transitions 0/410 dead transitions. [2022-04-18 16:32:58,144 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 410 transitions, 1057 flow [2022-04-18 16:32:58,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:58,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:58,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1294 transitions. [2022-04-18 16:32:58,146 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9671150971599403 [2022-04-18 16:32:58,146 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1294 transitions. [2022-04-18 16:32:58,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1294 transitions. [2022-04-18 16:32:58,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:58,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1294 transitions. [2022-04-18 16:32:58,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 0 states have call successors, (0), 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 16:32:58,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:58,149 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:58,149 INFO L186 Difference]: Start difference. First operand has 393 places, 402 transitions, 973 flow. Second operand 3 states and 1294 transitions. [2022-04-18 16:32:58,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 410 transitions, 1057 flow [2022-04-18 16:32:58,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 410 transitions, 1045 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:32:58,156 INFO L242 Difference]: Finished difference. Result has 395 places, 406 transitions, 1009 flow [2022-04-18 16:32:58,156 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=961, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1009, PETRI_PLACES=395, PETRI_TRANSITIONS=406} [2022-04-18 16:32:58,157 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -9 predicate places. [2022-04-18 16:32:58,157 INFO L478 AbstractCegarLoop]: Abstraction has has 395 places, 406 transitions, 1009 flow [2022-04-18 16:32:58,157 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 0 states have call successors, (0), 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 16:32:58,157 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:58,158 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 16:32:58,158 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-04-18 16:32:58,158 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:58,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:58,158 INFO L85 PathProgramCache]: Analyzing trace with hash 844687595, now seen corresponding path program 1 times [2022-04-18 16:32:58,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:58,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664095511] [2022-04-18 16:32:58,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:58,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:58,185 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 16:32:58,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:58,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664095511] [2022-04-18 16:32:58,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664095511] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:58,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:58,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 16:32:58,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814247339] [2022-04-18 16:32:58,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:58,187 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:58,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:58,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:58,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:58,188 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 446 [2022-04-18 16:32:58,189 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 406 transitions, 1009 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 16:32:58,189 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:58,189 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 446 [2022-04-18 16:32:58,189 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:32:59,154 INFO L129 PetriNetUnfolder]: 423/10631 cut-off events. [2022-04-18 16:32:59,154 INFO L130 PetriNetUnfolder]: For 330/527 co-relation queries the response was YES. [2022-04-18 16:32:59,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12270 conditions, 10631 events. 423/10631 cut-off events. For 330/527 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 129867 event pairs, 23 based on Foata normal form. 1/10001 useless extension candidates. Maximal degree in co-relation 11137. Up to 248 conditions per place. [2022-04-18 16:32:59,264 INFO L132 encePairwiseOnDemand]: 440/446 looper letters, 15 selfloop transitions, 4 changer transitions 0/413 dead transitions. [2022-04-18 16:32:59,264 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 413 transitions, 1066 flow [2022-04-18 16:32:59,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:32:59,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:32:59,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1299 transitions. [2022-04-18 16:32:59,266 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9708520179372198 [2022-04-18 16:32:59,266 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1299 transitions. [2022-04-18 16:32:59,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1299 transitions. [2022-04-18 16:32:59,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:32:59,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1299 transitions. [2022-04-18 16:32:59,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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 16:32:59,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:59,268 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:32:59,268 INFO L186 Difference]: Start difference. First operand has 395 places, 406 transitions, 1009 flow. Second operand 3 states and 1299 transitions. [2022-04-18 16:32:59,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 413 transitions, 1066 flow [2022-04-18 16:32:59,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 413 transitions, 1054 flow, removed 4 selfloop flow, removed 1 redundant places. [2022-04-18 16:32:59,276 INFO L242 Difference]: Finished difference. Result has 398 places, 408 transitions, 1025 flow [2022-04-18 16:32:59,276 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=997, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1025, PETRI_PLACES=398, PETRI_TRANSITIONS=408} [2022-04-18 16:32:59,277 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -6 predicate places. [2022-04-18 16:32:59,277 INFO L478 AbstractCegarLoop]: Abstraction has has 398 places, 408 transitions, 1025 flow [2022-04-18 16:32:59,277 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 16:32:59,277 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:32:59,277 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 16:32:59,278 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-04-18 16:32:59,278 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:32:59,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:32:59,278 INFO L85 PathProgramCache]: Analyzing trace with hash 30248820, now seen corresponding path program 1 times [2022-04-18 16:32:59,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:32:59,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337176582] [2022-04-18 16:32:59,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:32:59,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:32:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:32:59,306 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 16:32:59,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:32:59,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337176582] [2022-04-18 16:32:59,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337176582] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:32:59,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:32:59,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:32:59,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693156602] [2022-04-18 16:32:59,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:32:59,307 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:32:59,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:32:59,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:32:59,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:32:59,309 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 446 [2022-04-18 16:32:59,309 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 408 transitions, 1025 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 16:32:59,310 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:32:59,310 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 446 [2022-04-18 16:32:59,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:33:00,347 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1274] 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], [560#(= (+ ~isNull_0~0 (* (- 256) (div ~isNull_0~0 256))) 0), 470#(= |#race~isNull_0~0| 0), Black: 523#true, 525#(= |#race~filename_7~0| 0), Black: 468#true, 480#(= |#race~filename_2~0| 0), 330#L80-7true, Black: 473#true, 504#(= |#race~filename_4~0| 0), Black: 478#true, 485#(= |#race~isNull_6~0| 0), Black: 546#true, Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 554#(not (= 0 (+ ~isNull_6~0 (* (- 256) (div ~isNull_6~0 256))))), 564#true, 537#(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: 558#true, 475#(= |#race~isNull_3~0| 0), Black: 497#true, 544#(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)), 509#(= |#race~filename_8~0| 0), 521#(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: 502#true, Black: 507#true]) [2022-04-18 16:33:00,347 INFO L384 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-04-18 16:33:00,347 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:33:00,347 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is cut-off event [2022-04-18 16:33:00,347 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-04-18 16:33:00,348 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1274] 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], [560#(= (+ ~isNull_0~0 (* (- 256) (div ~isNull_0~0 256))) 0), 470#(= |#race~isNull_0~0| 0), Black: 523#true, 525#(= |#race~filename_7~0| 0), Black: 468#true, 480#(= |#race~filename_2~0| 0), 330#L80-7true, Black: 473#true, 504#(= |#race~filename_4~0| 0), Black: 478#true, 485#(= |#race~isNull_6~0| 0), Black: 546#true, Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 554#(not (= 0 (+ ~isNull_6~0 (* (- 256) (div ~isNull_6~0 256))))), 564#true, 537#(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: 558#true, Black: 497#true, 475#(= |#race~isNull_3~0| 0), 544#(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)), 509#(= |#race~filename_8~0| 0), Black: 502#true, 521#(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: 507#true]) [2022-04-18 16:33:00,348 INFO L384 tUnfolder$Statistics]: this new event has 259 ancestors and is not cut-off event [2022-04-18 16:33:00,348 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:33:00,348 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:33:00,348 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:33:00,348 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:33:00,349 INFO L129 PetriNetUnfolder]: 404/10553 cut-off events. [2022-04-18 16:33:00,349 INFO L130 PetriNetUnfolder]: For 133/251 co-relation queries the response was YES. [2022-04-18 16:33:00,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12185 conditions, 10553 events. 404/10553 cut-off events. For 133/251 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 133760 event pairs, 18 based on Foata normal form. 0/9915 useless extension candidates. Maximal degree in co-relation 11056. Up to 238 conditions per place. [2022-04-18 16:33:00,436 INFO L132 encePairwiseOnDemand]: 444/446 looper letters, 9 selfloop transitions, 1 changer transitions 0/407 dead transitions. [2022-04-18 16:33:00,436 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 407 transitions, 1043 flow [2022-04-18 16:33:00,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:33:00,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:33:00,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1289 transitions. [2022-04-18 16:33:00,438 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9633781763826607 [2022-04-18 16:33:00,438 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1289 transitions. [2022-04-18 16:33:00,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1289 transitions. [2022-04-18 16:33:00,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:33:00,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1289 transitions. [2022-04-18 16:33:00,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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 16:33:00,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:33:00,441 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:33:00,441 INFO L186 Difference]: Start difference. First operand has 398 places, 408 transitions, 1025 flow. Second operand 3 states and 1289 transitions. [2022-04-18 16:33:00,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 407 transitions, 1043 flow [2022-04-18 16:33:00,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 407 transitions, 1035 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:33:00,447 INFO L242 Difference]: Finished difference. Result has 397 places, 407 transitions, 1017 flow [2022-04-18 16:33:00,447 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=1015, PETRI_DIFFERENCE_MINUEND_PLACES=395, 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=1017, PETRI_PLACES=397, PETRI_TRANSITIONS=407} [2022-04-18 16:33:00,447 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -7 predicate places. [2022-04-18 16:33:00,448 INFO L478 AbstractCegarLoop]: Abstraction has has 397 places, 407 transitions, 1017 flow [2022-04-18 16:33:00,448 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 16:33:00,448 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:33:00,448 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] [2022-04-18 16:33:00,448 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-04-18 16:33:00,448 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:33:00,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:33:00,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1232450098, now seen corresponding path program 1 times [2022-04-18 16:33:00,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:33:00,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685444757] [2022-04-18 16:33:00,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:33:00,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:33:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:33:00,474 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 16:33:00,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:33:00,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685444757] [2022-04-18 16:33:00,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685444757] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:33:00,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:33:00,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 16:33:00,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051888303] [2022-04-18 16:33:00,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:33:00,475 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:33:00,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:33:00,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:33:00,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:33:00,476 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 446 [2022-04-18 16:33:00,477 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 407 transitions, 1017 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 16:33:00,477 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:33:00,477 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 446 [2022-04-18 16:33:00,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:33:01,314 INFO L129 PetriNetUnfolder]: 353/9211 cut-off events. [2022-04-18 16:33:01,314 INFO L130 PetriNetUnfolder]: For 127/208 co-relation queries the response was YES. [2022-04-18 16:33:01,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10615 conditions, 9211 events. 353/9211 cut-off events. For 127/208 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 107019 event pairs, 22 based on Foata normal form. 0/8654 useless extension candidates. Maximal degree in co-relation 10404. Up to 227 conditions per place. [2022-04-18 16:33:01,409 INFO L132 encePairwiseOnDemand]: 442/446 looper letters, 19 selfloop transitions, 2 changer transitions 0/414 dead transitions. [2022-04-18 16:33:01,409 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 414 transitions, 1082 flow [2022-04-18 16:33:01,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:33:01,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:33:01,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1299 transitions. [2022-04-18 16:33:01,411 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9708520179372198 [2022-04-18 16:33:01,411 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1299 transitions. [2022-04-18 16:33:01,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1299 transitions. [2022-04-18 16:33:01,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:33:01,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1299 transitions. [2022-04-18 16:33:01,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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 16:33:01,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:33:01,415 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:33:01,415 INFO L186 Difference]: Start difference. First operand has 397 places, 407 transitions, 1017 flow. Second operand 3 states and 1299 transitions. [2022-04-18 16:33:01,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 414 transitions, 1082 flow [2022-04-18 16:33:01,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 414 transitions, 1081 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:33:01,423 INFO L242 Difference]: Finished difference. Result has 400 places, 409 transitions, 1040 flow [2022-04-18 16:33:01,424 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=1016, 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=1040, PETRI_PLACES=400, PETRI_TRANSITIONS=409} [2022-04-18 16:33:01,424 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -4 predicate places. [2022-04-18 16:33:01,425 INFO L478 AbstractCegarLoop]: Abstraction has has 400 places, 409 transitions, 1040 flow [2022-04-18 16:33:01,425 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 16:33:01,425 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:33:01,425 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] [2022-04-18 16:33:01,425 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-04-18 16:33:01,425 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:33:01,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:33:01,426 INFO L85 PathProgramCache]: Analyzing trace with hash 606226641, now seen corresponding path program 1 times [2022-04-18 16:33:01,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:33:01,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75221954] [2022-04-18 16:33:01,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:33:01,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:33:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:33:01,478 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 16:33:01,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:33:01,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75221954] [2022-04-18 16:33:01,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75221954] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:33:01,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:33:01,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:33:01,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492489446] [2022-04-18 16:33:01,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:33:01,480 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:33:01,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:33:01,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:33:01,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:33:01,482 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 446 [2022-04-18 16:33:01,482 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 409 transitions, 1040 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 16:33:01,482 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:33:01,482 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 446 [2022-04-18 16:33:01,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:33:02,603 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1274] 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[][394], [568#true, 470#(= |#race~isNull_0~0| 0), Black: 523#true, 574#true, 525#(= |#race~filename_7~0| 0), Black: 468#true, 480#(= |#race~filename_2~0| 0), 330#L80-7true, Black: 473#true, Black: 478#true, 504#(= |#race~filename_4~0| 0), 485#(= |#race~isNull_6~0| 0), Black: 546#true, Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, Black: 554#(not (= 0 (+ ~isNull_6~0 (* (- 256) (div ~isNull_6~0 256))))), 499#(= |#race~filename_1~0| 0), 537#(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: 558#true, Black: 497#true, 475#(= |#race~isNull_3~0| 0), 544#(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)), 509#(= |#race~filename_8~0| 0), 521#(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: 502#true, Black: 570#(not (= (+ ~isNull_0~0 (* (- 256) (div ~isNull_0~0 256))) 0)), Black: 507#true]) [2022-04-18 16:33:02,603 INFO L384 tUnfolder$Statistics]: this new event has 259 ancestors and is not cut-off event [2022-04-18 16:33:02,603 INFO L387 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-04-18 16:33:02,603 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:33:02,603 INFO L387 tUnfolder$Statistics]: existing Event has 267 ancestors and is not cut-off event [2022-04-18 16:33:02,605 INFO L129 PetriNetUnfolder]: 332/8937 cut-off events. [2022-04-18 16:33:02,605 INFO L130 PetriNetUnfolder]: For 161/339 co-relation queries the response was YES. [2022-04-18 16:33:02,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10410 conditions, 8937 events. 332/8937 cut-off events. For 161/339 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 108501 event pairs, 66 based on Foata normal form. 0/8450 useless extension candidates. Maximal degree in co-relation 8846. Up to 213 conditions per place. [2022-04-18 16:33:02,728 INFO L132 encePairwiseOnDemand]: 444/446 looper letters, 9 selfloop transitions, 1 changer transitions 0/408 dead transitions. [2022-04-18 16:33:02,728 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 408 transitions, 1058 flow [2022-04-18 16:33:02,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:33:02,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:33:02,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1289 transitions. [2022-04-18 16:33:02,730 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9633781763826607 [2022-04-18 16:33:02,730 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1289 transitions. [2022-04-18 16:33:02,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1289 transitions. [2022-04-18 16:33:02,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:33:02,731 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1289 transitions. [2022-04-18 16:33:02,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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 16:33:02,733 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:33:02,733 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:33:02,733 INFO L186 Difference]: Start difference. First operand has 400 places, 409 transitions, 1040 flow. Second operand 3 states and 1289 transitions. [2022-04-18 16:33:02,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 408 transitions, 1058 flow [2022-04-18 16:33:02,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 408 transitions, 1052 flow, removed 2 selfloop flow, removed 1 redundant places. [2022-04-18 16:33:02,740 INFO L242 Difference]: Finished difference. Result has 400 places, 408 transitions, 1034 flow [2022-04-18 16:33:02,740 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=1032, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1034, PETRI_PLACES=400, PETRI_TRANSITIONS=408} [2022-04-18 16:33:02,740 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -4 predicate places. [2022-04-18 16:33:02,740 INFO L478 AbstractCegarLoop]: Abstraction has has 400 places, 408 transitions, 1034 flow [2022-04-18 16:33:02,741 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 16:33:02,741 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:33:02,741 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] [2022-04-18 16:33:02,741 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-04-18 16:33:02,741 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-04-18 16:33:02,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:33:02,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1151457193, now seen corresponding path program 1 times [2022-04-18 16:33:02,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:33:02,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964303519] [2022-04-18 16:33:02,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:33:02,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:33:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:33:02,774 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 16:33:02,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:33:02,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964303519] [2022-04-18 16:33:02,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964303519] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:33:02,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:33:02,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:33:02,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691900691] [2022-04-18 16:33:02,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:33:02,776 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:33:02,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:33:02,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:33:02,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:33:02,777 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 446 [2022-04-18 16:33:02,778 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 408 transitions, 1034 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 16:33:02,778 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:33:02,778 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 446 [2022-04-18 16:33:02,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:33:03,614 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1206] 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][267], [470#(= |#race~isNull_0~0| 0), Black: 523#true, 525#(= |#race~filename_7~0| 0), 574#true, Black: 468#true, 480#(= |#race~filename_2~0| 0), 103#L56-48true, 578#true, Black: 473#true, Black: 478#true, 504#(= |#race~filename_4~0| 0), 485#(= |#race~isNull_6~0| 0), 205#L79-7true, Black: 546#true, Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 554#(not (= 0 (+ ~isNull_6~0 (* (- 256) (div ~isNull_6~0 256))))), 537#(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: 558#true, Black: 497#true, 475#(= |#race~isNull_3~0| 0), 509#(= |#race~filename_8~0| 0), 521#(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: 502#true, Black: 570#(not (= (+ ~isNull_0~0 (* (- 256) (div ~isNull_0~0 256))) 0)), Black: 507#true]) [2022-04-18 16:33:03,615 INFO L384 tUnfolder$Statistics]: this new event has 240 ancestors and is cut-off event [2022-04-18 16:33:03,615 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is cut-off event [2022-04-18 16:33:03,615 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is cut-off event [2022-04-18 16:33:03,615 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:33:03,621 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1206] 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][267], [470#(= |#race~isNull_0~0| 0), Black: 523#true, 525#(= |#race~filename_7~0| 0), 574#true, Black: 468#true, 480#(= |#race~filename_2~0| 0), 103#L56-48true, 578#true, Black: 473#true, Black: 478#true, 504#(= |#race~filename_4~0| 0), 485#(= |#race~isNull_6~0| 0), 205#L79-7true, Black: 546#true, Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 554#(not (= 0 (+ ~isNull_6~0 (* (- 256) (div ~isNull_6~0 256))))), 537#(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: 558#true, Black: 497#true, 475#(= |#race~isNull_3~0| 0), 509#(= |#race~filename_8~0| 0), 521#(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: 502#true, Black: 570#(not (= (+ ~isNull_0~0 (* (- 256) (div ~isNull_0~0 256))) 0)), Black: 507#true]) [2022-04-18 16:33:03,621 INFO L384 tUnfolder$Statistics]: this new event has 248 ancestors and is cut-off event [2022-04-18 16:33:03,621 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is cut-off event [2022-04-18 16:33:03,621 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is cut-off event [2022-04-18 16:33:03,621 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:33:03,621 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:33:03,621 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1206] 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][267], [470#(= |#race~isNull_0~0| 0), Black: 523#true, 525#(= |#race~filename_7~0| 0), 574#true, Black: 468#true, 480#(= |#race~filename_2~0| 0), 103#L56-48true, 578#true, Black: 473#true, Black: 478#true, 504#(= |#race~filename_4~0| 0), 485#(= |#race~isNull_6~0| 0), 205#L79-7true, Black: 546#true, Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 554#(not (= 0 (+ ~isNull_6~0 (* (- 256) (div ~isNull_6~0 256))))), 537#(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: 558#true, Black: 497#true, 475#(= |#race~isNull_3~0| 0), 509#(= |#race~filename_8~0| 0), 521#(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: 502#true, Black: 570#(not (= (+ ~isNull_0~0 (* (- 256) (div ~isNull_0~0 256))) 0)), Black: 507#true]) [2022-04-18 16:33:03,621 INFO L384 tUnfolder$Statistics]: this new event has 274 ancestors and is cut-off event [2022-04-18 16:33:03,621 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is cut-off event [2022-04-18 16:33:03,621 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is cut-off event [2022-04-18 16:33:03,621 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is cut-off event [2022-04-18 16:33:03,621 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:33:03,621 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is cut-off event [2022-04-18 16:33:03,630 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1273] 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[][385], [470#(= |#race~isNull_0~0| 0), Black: 523#true, 525#(= |#race~filename_7~0| 0), 574#true, Black: 468#true, 480#(= |#race~filename_2~0| 0), 103#L56-48true, 578#true, Black: 473#true, Black: 478#true, 504#(= |#race~filename_4~0| 0), 485#(= |#race~isNull_6~0| 0), 205#L79-7true, Black: 546#true, Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 554#(not (= 0 (+ ~isNull_6~0 (* (- 256) (div ~isNull_6~0 256))))), 537#(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: 558#true, Black: 497#true, 475#(= |#race~isNull_3~0| 0), 509#(= |#race~filename_8~0| 0), 521#(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: 502#true, Black: 570#(not (= (+ ~isNull_0~0 (* (- 256) (div ~isNull_0~0 256))) 0)), Black: 507#true]) [2022-04-18 16:33:03,630 INFO L384 tUnfolder$Statistics]: this new event has 240 ancestors and is not cut-off event [2022-04-18 16:33:03,630 INFO L387 tUnfolder$Statistics]: existing Event has 240 ancestors and is not cut-off event [2022-04-18 16:33:03,630 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is not cut-off event [2022-04-18 16:33:03,631 INFO L387 tUnfolder$Statistics]: existing Event has 248 ancestors and is not cut-off event [2022-04-18 16:33:03,631 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1273] 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[][385], [470#(= |#race~isNull_0~0| 0), 290#L56-49true, Black: 523#true, 525#(= |#race~filename_7~0| 0), 574#true, Black: 468#true, 480#(= |#race~filename_2~0| 0), 578#true, Black: 473#true, Black: 478#true, 504#(= |#race~filename_4~0| 0), 485#(= |#race~isNull_6~0| 0), 205#L79-7true, Black: 546#true, Black: 483#true, 490#(= |#race~filename_5~0| 0), Black: 488#true, 499#(= |#race~filename_1~0| 0), Black: 554#(not (= 0 (+ ~isNull_6~0 (* (- 256) (div ~isNull_6~0 256))))), 537#(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: 558#true, Black: 497#true, 475#(= |#race~isNull_3~0| 0), 509#(= |#race~filename_8~0| 0), 521#(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: 502#true, Black: 570#(not (= (+ ~isNull_0~0 (* (- 256) (div ~isNull_0~0 256))) 0)), Black: 507#true]) [2022-04-18 16:33:03,631 INFO L384 tUnfolder$Statistics]: this new event has 241 ancestors and is cut-off event [2022-04-18 16:33:03,631 INFO L387 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-04-18 16:33:03,631 INFO L387 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-04-18 16:33:03,631 INFO L387 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-04-18 16:33:03,635 INFO L129 PetriNetUnfolder]: 394/7545 cut-off events. [2022-04-18 16:33:03,635 INFO L130 PetriNetUnfolder]: For 245/320 co-relation queries the response was YES. [2022-04-18 16:33:03,705 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9148 conditions, 7545 events. 394/7545 cut-off events. For 245/320 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 90284 event pairs, 156 based on Foata normal form. 28/7102 useless extension candidates. Maximal degree in co-relation 9020. Up to 689 conditions per place. [2022-04-18 16:33:03,709 INFO L132 encePairwiseOnDemand]: 444/446 looper letters, 0 selfloop transitions, 0 changer transitions 407/407 dead transitions. [2022-04-18 16:33:03,709 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 407 transitions, 1050 flow [2022-04-18 16:33:03,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:33:03,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:33:03,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1288 transitions. [2022-04-18 16:33:03,712 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9626307922272048 [2022-04-18 16:33:03,712 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1288 transitions. [2022-04-18 16:33:03,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1288 transitions. [2022-04-18 16:33:03,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:33:03,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1288 transitions. [2022-04-18 16:33:03,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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 16:33:03,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:33:03,715 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 446.0) internal successors, (1784), 4 states have internal predecessors, (1784), 0 states have call successors, (0), 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 16:33:03,715 INFO L186 Difference]: Start difference. First operand has 400 places, 408 transitions, 1034 flow. Second operand 3 states and 1288 transitions. [2022-04-18 16:33:03,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 407 transitions, 1050 flow [2022-04-18 16:33:03,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 407 transitions, 1049 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:33:03,719 INFO L242 Difference]: Finished difference. Result has 400 places, 0 transitions, 0 flow [2022-04-18 16:33:03,720 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=446, PETRI_DIFFERENCE_MINUEND_FLOW=1031, 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=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=400, PETRI_TRANSITIONS=0} [2022-04-18 16:33:03,720 INFO L335 CegarLoopForPetriNet]: 404 programPoint places, -4 predicate places. [2022-04-18 16:33:03,720 INFO L478 AbstractCegarLoop]: Abstraction has has 400 places, 0 transitions, 0 flow [2022-04-18 16:33:03,720 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 16:33:03,722 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (71 of 72 remaining) [2022-04-18 16:33:03,723 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (70 of 72 remaining) [2022-04-18 16:33:03,723 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (69 of 72 remaining) [2022-04-18 16:33:03,723 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (68 of 72 remaining) [2022-04-18 16:33:03,723 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (67 of 72 remaining) [2022-04-18 16:33:03,723 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (66 of 72 remaining) [2022-04-18 16:33:03,723 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (65 of 72 remaining) [2022-04-18 16:33:03,724 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (64 of 72 remaining) [2022-04-18 16:33:03,724 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (63 of 72 remaining) [2022-04-18 16:33:03,724 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (62 of 72 remaining) [2022-04-18 16:33:03,724 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (61 of 72 remaining) [2022-04-18 16:33:03,724 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (60 of 72 remaining) [2022-04-18 16:33:03,724 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (59 of 72 remaining) [2022-04-18 16:33:03,724 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (58 of 72 remaining) [2022-04-18 16:33:03,725 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (57 of 72 remaining) [2022-04-18 16:33:03,725 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (56 of 72 remaining) [2022-04-18 16:33:03,725 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (55 of 72 remaining) [2022-04-18 16:33:03,725 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (54 of 72 remaining) [2022-04-18 16:33:03,725 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (53 of 72 remaining) [2022-04-18 16:33:03,725 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (52 of 72 remaining) [2022-04-18 16:33:03,725 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (51 of 72 remaining) [2022-04-18 16:33:03,726 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (50 of 72 remaining) [2022-04-18 16:33:03,726 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (49 of 72 remaining) [2022-04-18 16:33:03,726 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (48 of 72 remaining) [2022-04-18 16:33:03,726 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (47 of 72 remaining) [2022-04-18 16:33:03,726 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (46 of 72 remaining) [2022-04-18 16:33:03,726 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (45 of 72 remaining) [2022-04-18 16:33:03,726 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (44 of 72 remaining) [2022-04-18 16:33:03,726 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (43 of 72 remaining) [2022-04-18 16:33:03,726 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (42 of 72 remaining) [2022-04-18 16:33:03,727 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (41 of 72 remaining) [2022-04-18 16:33:03,727 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (40 of 72 remaining) [2022-04-18 16:33:03,727 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (39 of 72 remaining) [2022-04-18 16:33:03,727 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (38 of 72 remaining) [2022-04-18 16:33:03,727 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (37 of 72 remaining) [2022-04-18 16:33:03,727 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (36 of 72 remaining) [2022-04-18 16:33:03,727 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (35 of 72 remaining) [2022-04-18 16:33:03,727 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (34 of 72 remaining) [2022-04-18 16:33:03,728 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (33 of 72 remaining) [2022-04-18 16:33:03,728 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (32 of 72 remaining) [2022-04-18 16:33:03,728 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (31 of 72 remaining) [2022-04-18 16:33:03,728 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (30 of 72 remaining) [2022-04-18 16:33:03,728 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 72 remaining) [2022-04-18 16:33:03,728 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 72 remaining) [2022-04-18 16:33:03,728 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 72 remaining) [2022-04-18 16:33:03,728 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 72 remaining) [2022-04-18 16:33:03,728 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 72 remaining) [2022-04-18 16:33:03,729 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 72 remaining) [2022-04-18 16:33:03,729 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 72 remaining) [2022-04-18 16:33:03,729 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 72 remaining) [2022-04-18 16:33:03,729 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (21 of 72 remaining) [2022-04-18 16:33:03,729 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (20 of 72 remaining) [2022-04-18 16:33:03,729 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (19 of 72 remaining) [2022-04-18 16:33:03,729 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (18 of 72 remaining) [2022-04-18 16:33:03,729 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 72 remaining) [2022-04-18 16:33:03,729 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 72 remaining) [2022-04-18 16:33:03,730 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 72 remaining) [2022-04-18 16:33:03,730 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 72 remaining) [2022-04-18 16:33:03,730 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 72 remaining) [2022-04-18 16:33:03,730 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 72 remaining) [2022-04-18 16:33:03,730 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 72 remaining) [2022-04-18 16:33:03,730 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (10 of 72 remaining) [2022-04-18 16:33:03,730 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (9 of 72 remaining) [2022-04-18 16:33:03,730 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 72 remaining) [2022-04-18 16:33:03,731 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 72 remaining) [2022-04-18 16:33:03,731 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 72 remaining) [2022-04-18 16:33:03,731 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 72 remaining) [2022-04-18 16:33:03,731 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 72 remaining) [2022-04-18 16:33:03,731 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 72 remaining) [2022-04-18 16:33:03,731 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (2 of 72 remaining) [2022-04-18 16:33:03,731 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 72 remaining) [2022-04-18 16:33:03,731 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 72 remaining) [2022-04-18 16:33:03,732 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-04-18 16:33:03,735 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, 1, 1] [2022-04-18 16:33:03,738 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 16:33:03,738 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 16:33:03,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:33:03 BasicIcfg [2022-04-18 16:33:03,740 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 16:33:03,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 16:33:03,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 16:33:03,741 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 16:33:03,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:32:43" (3/4) ... [2022-04-18 16:33:03,743 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 16:33:03,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-04-18 16:33:03,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-04-18 16:33:03,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-04-18 16:33:03,752 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-04-18 16:33:03,752 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 16:33:03,752 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 16:33:03,753 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 16:33:03,780 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-04-18 16:33:03,780 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 16:33:03,780 INFO L158 Benchmark]: Toolchain (without parser) took 21090.58ms. Allocated memory was 92.3MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 58.2MB in the beginning and 1.3GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-04-18 16:33:03,781 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 92.3MB. Free memory was 62.8MB in the beginning and 62.8MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:33:03,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.79ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 66.4MB in the end (delta: -8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-04-18 16:33:03,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.59ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 63.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:33:03,781 INFO L158 Benchmark]: Boogie Preprocessor took 38.53ms. Allocated memory is still 92.3MB. Free memory was 63.6MB in the beginning and 61.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:33:03,782 INFO L158 Benchmark]: RCFGBuilder took 502.38ms. Allocated memory is still 92.3MB. Free memory was 61.5MB in the beginning and 37.4MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-04-18 16:33:03,782 INFO L158 Benchmark]: TraceAbstraction took 20242.72ms. Allocated memory was 92.3MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 36.7MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-04-18 16:33:03,782 INFO L158 Benchmark]: Witness Printer took 39.04ms. Allocated memory is still 2.6GB. Free memory was 1.4GB in the beginning and 1.3GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:33:03,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 92.3MB. Free memory was 62.8MB in the beginning and 62.8MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.79ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 66.4MB in the end (delta: -8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.59ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 63.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.53ms. Allocated memory is still 92.3MB. Free memory was 63.6MB in the beginning and 61.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 502.38ms. Allocated memory is still 92.3MB. Free memory was 61.5MB in the beginning and 37.4MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 20242.72ms. Allocated memory was 92.3MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 36.7MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 39.04ms. Allocated memory is still 2.6GB. Free memory was 1.4GB in the beginning and 1.3GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: 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: 82]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 669 locations, 72 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: 20.1s, OverallIterations: 31, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 18.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131 mSDsluCounter, 262 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 181 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 715 IncrementalHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 262 mSDtfsCounter, 715 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1040occurred in iteration=29, InterpolantAutomatonStates: 102, 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, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 3521 NumberOfCodeBlocks, 3521 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 3490 ConstructedInterpolants, 0 QuantifiedInterpolants, 4368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 31 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 42 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 16:33:03,816 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE