./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-chromosome-symm.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 c7fdb1595c27c144c3bf111946260cb3946663200a2d53f7fba5455031291c4f --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 03:22:50,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:22:50,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:22:50,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:22:50,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:22:50,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:22:50,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:22:50,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:22:50,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:22:50,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:22:50,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:22:50,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:22:50,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:22:50,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:22:50,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:22:50,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:22:50,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:22:50,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:22:50,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:22:51,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:22:51,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:22:51,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:22:51,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:22:51,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:22:51,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:22:51,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:22:51,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:22:51,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:22:51,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:22:51,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:22:51,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:22:51,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:22:51,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:22:51,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:22:51,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:22:51,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:22:51,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:22:51,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:22:51,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:22:51,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:22:51,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:22:51,027 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:22:51,059 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:22:51,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:22:51,060 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:22:51,060 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:22:51,061 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:22:51,061 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:22:51,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:22:51,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:22:51,062 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:22:51,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:22:51,063 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:22:51,063 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:22:51,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:22:51,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:22:51,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:22:51,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:22:51,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:22:51,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:22:51,065 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:22:51,065 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:22:51,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:22:51,065 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:22:51,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:22:51,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:22:51,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:22:51,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:22:51,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:22:51,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:22:51,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:22:51,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:22:51,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:22:51,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:22:51,067 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:22:51,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:22:51,068 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:22:51,068 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:22:51,068 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:22:51,068 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7fdb1595c27c144c3bf111946260cb3946663200a2d53f7fba5455031291c4f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:22:51,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:22:51,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:22:51,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:22:51,424 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:22:51,424 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:22:51,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c [2023-08-29 03:22:52,635 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:22:52,878 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:22:52,879 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c [2023-08-29 03:22:52,885 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/457c13957/e3ceba9d37b646759ae010f4d221b3df/FLAG6cfdd1fbb [2023-08-29 03:22:52,900 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/457c13957/e3ceba9d37b646759ae010f4d221b3df [2023-08-29 03:22:52,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:22:52,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:22:52,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:22:52,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:22:52,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:22:52,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:22:52" (1/1) ... [2023-08-29 03:22:52,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52d4392f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:52, skipping insertion in model container [2023-08-29 03:22:52,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:22:52" (1/1) ... [2023-08-29 03:22:52,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:22:52,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:22:53,169 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c[2695,2708] [2023-08-29 03:22:53,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:22:53,203 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:22:53,249 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c[2695,2708] [2023-08-29 03:22:53,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:22:53,279 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:22:53,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:53 WrapperNode [2023-08-29 03:22:53,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:22:53,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:22:53,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:22:53,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:22:53,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:53" (1/1) ... [2023-08-29 03:22:53,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:53" (1/1) ... [2023-08-29 03:22:53,355 INFO L138 Inliner]: procedures = 25, calls = 37, calls flagged for inlining = 15, calls inlined = 19, statements flattened = 338 [2023-08-29 03:22:53,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:22:53,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:22:53,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:22:53,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:22:53,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:53" (1/1) ... [2023-08-29 03:22:53,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:53" (1/1) ... [2023-08-29 03:22:53,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:53" (1/1) ... [2023-08-29 03:22:53,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:53" (1/1) ... [2023-08-29 03:22:53,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:53" (1/1) ... [2023-08-29 03:22:53,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:53" (1/1) ... [2023-08-29 03:22:53,429 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:53" (1/1) ... [2023-08-29 03:22:53,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:53" (1/1) ... [2023-08-29 03:22:53,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:22:53,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:22:53,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:22:53,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:22:53,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:53" (1/1) ... [2023-08-29 03:22:53,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:22:53,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:22:53,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 03:22:53,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 03:22:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:22:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:22:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:22:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:22:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 03:22:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 03:22:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 03:22:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 03:22:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:22:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 03:22:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:22:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:22:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:22:53,504 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 03:22:53,624 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:22:53,626 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:22:54,155 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:22:54,167 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:22:54,168 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-29 03:22:54,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:22:54 BoogieIcfgContainer [2023-08-29 03:22:54,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:22:54,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:22:54,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:22:54,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:22:54,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:22:52" (1/3) ... [2023-08-29 03:22:54,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52adf414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:22:54, skipping insertion in model container [2023-08-29 03:22:54,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:53" (2/3) ... [2023-08-29 03:22:54,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52adf414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:22:54, skipping insertion in model container [2023-08-29 03:22:54,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:22:54" (3/3) ... [2023-08-29 03:22:54,180 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-symm.wvr.c [2023-08-29 03:22:54,188 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:22:54,197 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:22:54,197 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-08-29 03:22:54,198 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:22:54,339 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 03:22:54,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 391 places, 410 transitions, 836 flow [2023-08-29 03:22:54,519 INFO L130 PetriNetUnfolder]: 26/408 cut-off events. [2023-08-29 03:22:54,520 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 03:22:54,529 INFO L83 FinitePrefix]: Finished finitePrefix Result has 417 conditions, 408 events. 26/408 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 678 event pairs, 0 based on Foata normal form. 0/346 useless extension candidates. Maximal degree in co-relation 235. Up to 2 conditions per place. [2023-08-29 03:22:54,529 INFO L82 GeneralOperation]: Start removeDead. Operand has 391 places, 410 transitions, 836 flow [2023-08-29 03:22:54,537 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 373 places, 390 transitions, 792 flow [2023-08-29 03:22:54,541 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:22:54,549 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 373 places, 390 transitions, 792 flow [2023-08-29 03:22:54,552 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 373 places, 390 transitions, 792 flow [2023-08-29 03:22:54,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 373 places, 390 transitions, 792 flow [2023-08-29 03:22:54,638 INFO L130 PetriNetUnfolder]: 24/390 cut-off events. [2023-08-29 03:22:54,639 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 03:22:54,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 399 conditions, 390 events. 24/390 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 666 event pairs, 0 based on Foata normal form. 0/331 useless extension candidates. Maximal degree in co-relation 235. Up to 2 conditions per place. [2023-08-29 03:22:54,657 INFO L119 LiptonReduction]: Number of co-enabled transitions 24320 [2023-08-29 03:23:03,280 INFO L134 LiptonReduction]: Checked pairs total: 77925 [2023-08-29 03:23:03,281 INFO L136 LiptonReduction]: Total number of compositions: 403 [2023-08-29 03:23:03,307 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:23:03,317 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@76b4338e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:23:03,317 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2023-08-29 03:23:03,320 INFO L130 PetriNetUnfolder]: 1/2 cut-off events. [2023-08-29 03:23:03,320 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:23:03,320 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:23:03,321 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-29 03:23:03,322 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 03:23:03,327 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:23:03,327 INFO L85 PathProgramCache]: Analyzing trace with hash 49430, now seen corresponding path program 1 times [2023-08-29 03:23:03,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:23:03,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167869667] [2023-08-29 03:23:03,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:23:03,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:23:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:23:03,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:23:03,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:23:03,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167869667] [2023-08-29 03:23:03,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167869667] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:23:03,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:23:03,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 03:23:03,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445702737] [2023-08-29 03:23:03,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:23:03,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 03:23:03,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:23:03,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 03:23:03,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 03:23:03,560 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 388 out of 813 [2023-08-29 03:23:03,566 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 100 transitions, 212 flow. Second operand has 2 states, 2 states have (on average 389.0) internal successors, (778), 2 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:03,567 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:23:03,567 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 388 of 813 [2023-08-29 03:23:03,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:23:03,712 INFO L130 PetriNetUnfolder]: 175/765 cut-off events. [2023-08-29 03:23:03,716 INFO L131 PetriNetUnfolder]: For 58/85 co-relation queries the response was YES. [2023-08-29 03:23:03,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1095 conditions, 765 events. 175/765 cut-off events. For 58/85 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 5336 event pairs, 141 based on Foata normal form. 56/685 useless extension candidates. Maximal degree in co-relation 948. Up to 304 conditions per place. [2023-08-29 03:23:03,726 INFO L137 encePairwiseOnDemand]: 789/813 looper letters, 25 selfloop transitions, 0 changer transitions 1/75 dead transitions. [2023-08-29 03:23:03,726 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 75 transitions, 214 flow [2023-08-29 03:23:03,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 03:23:03,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 03:23:03,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 826 transitions. [2023-08-29 03:23:03,747 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5079950799507995 [2023-08-29 03:23:03,748 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 826 transitions. [2023-08-29 03:23:03,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 826 transitions. [2023-08-29 03:23:03,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:23:03,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 826 transitions. [2023-08-29 03:23:03,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 413.0) internal successors, (826), 2 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:03,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 813.0) internal successors, (2439), 3 states have internal predecessors, (2439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:03,766 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 813.0) internal successors, (2439), 3 states have internal predecessors, (2439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:03,768 INFO L175 Difference]: Start difference. First operand has 101 places, 100 transitions, 212 flow. Second operand 2 states and 826 transitions. [2023-08-29 03:23:03,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 75 transitions, 214 flow [2023-08-29 03:23:03,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 75 transitions, 206 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:23:03,774 INFO L231 Difference]: Finished difference. Result has 75 places, 74 transitions, 151 flow [2023-08-29 03:23:03,775 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=813, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=151, PETRI_PLACES=75, PETRI_TRANSITIONS=74} [2023-08-29 03:23:03,778 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -26 predicate places. [2023-08-29 03:23:03,779 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 74 transitions, 151 flow [2023-08-29 03:23:03,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 389.0) internal successors, (778), 2 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:03,780 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:23:03,780 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 03:23:03,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:23:03,781 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 03:23:03,781 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:23:03,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1512677996, now seen corresponding path program 1 times [2023-08-29 03:23:03,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:23:03,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130310319] [2023-08-29 03:23:03,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:23:03,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:23:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:23:03,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:23:03,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:23:03,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130310319] [2023-08-29 03:23:03,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130310319] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:23:03,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:23:03,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:23:03,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461093481] [2023-08-29 03:23:03,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:23:03,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:23:03,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:23:03,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:23:03,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:23:03,879 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 381 out of 813 [2023-08-29 03:23:03,880 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 74 transitions, 151 flow. Second operand has 3 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:03,880 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:23:03,881 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 381 of 813 [2023-08-29 03:23:03,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:23:04,007 INFO L130 PetriNetUnfolder]: 224/795 cut-off events. [2023-08-29 03:23:04,009 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-08-29 03:23:04,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1191 conditions, 795 events. 224/795 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 5215 event pairs, 74 based on Foata normal form. 0/663 useless extension candidates. Maximal degree in co-relation 1188. Up to 370 conditions per place. [2023-08-29 03:23:04,014 INFO L137 encePairwiseOnDemand]: 809/813 looper letters, 32 selfloop transitions, 2 changer transitions 0/79 dead transitions. [2023-08-29 03:23:04,015 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 79 transitions, 230 flow [2023-08-29 03:23:04,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:23:04,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:23:04,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1179 transitions. [2023-08-29 03:23:04,019 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4833948339483395 [2023-08-29 03:23:04,019 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1179 transitions. [2023-08-29 03:23:04,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1179 transitions. [2023-08-29 03:23:04,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:23:04,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1179 transitions. [2023-08-29 03:23:04,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 393.0) internal successors, (1179), 3 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:04,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 813.0) internal successors, (3252), 4 states have internal predecessors, (3252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:04,030 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 813.0) internal successors, (3252), 4 states have internal predecessors, (3252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:04,030 INFO L175 Difference]: Start difference. First operand has 75 places, 74 transitions, 151 flow. Second operand 3 states and 1179 transitions. [2023-08-29 03:23:04,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 79 transitions, 230 flow [2023-08-29 03:23:04,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 79 transitions, 230 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:23:04,033 INFO L231 Difference]: Finished difference. Result has 75 places, 74 transitions, 161 flow [2023-08-29 03:23:04,033 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=813, PETRI_DIFFERENCE_MINUEND_FLOW=147, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=161, PETRI_PLACES=75, PETRI_TRANSITIONS=74} [2023-08-29 03:23:04,034 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -26 predicate places. [2023-08-29 03:23:04,034 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 74 transitions, 161 flow [2023-08-29 03:23:04,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:04,035 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:23:04,035 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:23:04,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 03:23:04,036 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 03:23:04,036 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:23:04,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1969884500, now seen corresponding path program 1 times [2023-08-29 03:23:04,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:23:04,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520475411] [2023-08-29 03:23:04,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:23:04,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:23:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:23:04,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:23:04,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:23:04,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520475411] [2023-08-29 03:23:04,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520475411] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:23:04,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:23:04,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:23:04,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102779190] [2023-08-29 03:23:04,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:23:04,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:23:04,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:23:04,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:23:04,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:23:04,131 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 381 out of 813 [2023-08-29 03:23:04,132 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 74 transitions, 161 flow. Second operand has 3 states, 3 states have (on average 383.6666666666667) internal successors, (1151), 3 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:04,133 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:23:04,133 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 381 of 813 [2023-08-29 03:23:04,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:23:04,263 INFO L130 PetriNetUnfolder]: 204/829 cut-off events. [2023-08-29 03:23:04,263 INFO L131 PetriNetUnfolder]: For 6/38 co-relation queries the response was YES. [2023-08-29 03:23:04,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1205 conditions, 829 events. 204/829 cut-off events. For 6/38 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 5809 event pairs, 73 based on Foata normal form. 1/691 useless extension candidates. Maximal degree in co-relation 1201. Up to 337 conditions per place. [2023-08-29 03:23:04,269 INFO L137 encePairwiseOnDemand]: 809/813 looper letters, 30 selfloop transitions, 2 changer transitions 0/78 dead transitions. [2023-08-29 03:23:04,269 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 78 transitions, 234 flow [2023-08-29 03:23:04,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:23:04,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:23:04,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1177 transitions. [2023-08-29 03:23:04,273 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4825748257482575 [2023-08-29 03:23:04,273 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1177 transitions. [2023-08-29 03:23:04,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1177 transitions. [2023-08-29 03:23:04,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:23:04,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1177 transitions. [2023-08-29 03:23:04,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:04,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 813.0) internal successors, (3252), 4 states have internal predecessors, (3252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:04,283 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 813.0) internal successors, (3252), 4 states have internal predecessors, (3252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:04,283 INFO L175 Difference]: Start difference. First operand has 75 places, 74 transitions, 161 flow. Second operand 3 states and 1177 transitions. [2023-08-29 03:23:04,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 78 transitions, 234 flow [2023-08-29 03:23:04,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 78 transitions, 234 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:23:04,285 INFO L231 Difference]: Finished difference. Result has 76 places, 74 transitions, 171 flow [2023-08-29 03:23:04,285 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=813, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=171, PETRI_PLACES=76, PETRI_TRANSITIONS=74} [2023-08-29 03:23:04,286 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -25 predicate places. [2023-08-29 03:23:04,286 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 74 transitions, 171 flow [2023-08-29 03:23:04,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 383.6666666666667) internal successors, (1151), 3 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:04,288 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:23:04,288 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:23:04,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 03:23:04,288 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 03:23:04,289 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:23:04,289 INFO L85 PathProgramCache]: Analyzing trace with hash 88411570, now seen corresponding path program 1 times [2023-08-29 03:23:04,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:23:04,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069859595] [2023-08-29 03:23:04,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:23:04,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:23:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:23:04,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:23:04,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:23:04,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069859595] [2023-08-29 03:23:04,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069859595] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:23:04,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:23:04,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:23:04,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511452018] [2023-08-29 03:23:04,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:23:04,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:23:04,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:23:04,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:23:04,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:23:04,354 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 381 out of 813 [2023-08-29 03:23:04,356 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 74 transitions, 171 flow. Second operand has 3 states, 3 states have (on average 384.0) internal successors, (1152), 3 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:04,356 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:23:04,357 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 381 of 813 [2023-08-29 03:23:04,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:23:04,546 INFO L130 PetriNetUnfolder]: 368/1352 cut-off events. [2023-08-29 03:23:04,547 INFO L131 PetriNetUnfolder]: For 46/75 co-relation queries the response was YES. [2023-08-29 03:23:04,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2068 conditions, 1352 events. 368/1352 cut-off events. For 46/75 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 9710 event pairs, 115 based on Foata normal form. 5/1156 useless extension candidates. Maximal degree in co-relation 2063. Up to 428 conditions per place. [2023-08-29 03:23:04,555 INFO L137 encePairwiseOnDemand]: 809/813 looper letters, 44 selfloop transitions, 2 changer transitions 0/89 dead transitions. [2023-08-29 03:23:04,556 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 89 transitions, 297 flow [2023-08-29 03:23:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:23:04,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:23:04,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1190 transitions. [2023-08-29 03:23:04,561 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4879048790487905 [2023-08-29 03:23:04,561 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1190 transitions. [2023-08-29 03:23:04,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1190 transitions. [2023-08-29 03:23:04,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:23:04,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1190 transitions. [2023-08-29 03:23:04,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 396.6666666666667) internal successors, (1190), 3 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:04,572 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 813.0) internal successors, (3252), 4 states have internal predecessors, (3252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:04,574 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 813.0) internal successors, (3252), 4 states have internal predecessors, (3252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:04,574 INFO L175 Difference]: Start difference. First operand has 76 places, 74 transitions, 171 flow. Second operand 3 states and 1190 transitions. [2023-08-29 03:23:04,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 89 transitions, 297 flow [2023-08-29 03:23:04,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 89 transitions, 297 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:23:04,580 INFO L231 Difference]: Finished difference. Result has 77 places, 74 transitions, 181 flow [2023-08-29 03:23:04,580 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=813, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=181, PETRI_PLACES=77, PETRI_TRANSITIONS=74} [2023-08-29 03:23:04,582 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -24 predicate places. [2023-08-29 03:23:04,582 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 74 transitions, 181 flow [2023-08-29 03:23:04,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 384.0) internal successors, (1152), 3 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:04,583 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:23:04,583 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:23:04,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 03:23:04,584 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 03:23:04,584 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:23:04,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1902678133, now seen corresponding path program 1 times [2023-08-29 03:23:04,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:23:04,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077047206] [2023-08-29 03:23:04,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:23:04,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:23:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:23:04,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:23:04,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:23:04,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077047206] [2023-08-29 03:23:04,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077047206] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:23:04,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:23:04,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:23:04,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291090846] [2023-08-29 03:23:04,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:23:04,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:23:04,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:23:04,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:23:04,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:23:04,781 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 813 [2023-08-29 03:23:04,782 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 74 transitions, 181 flow. Second operand has 3 states, 3 states have (on average 382.3333333333333) internal successors, (1147), 3 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:04,782 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:23:04,782 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 813 [2023-08-29 03:23:04,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:23:04,927 INFO L130 PetriNetUnfolder]: 294/1158 cut-off events. [2023-08-29 03:23:04,927 INFO L131 PetriNetUnfolder]: For 58/85 co-relation queries the response was YES. [2023-08-29 03:23:04,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1828 conditions, 1158 events. 294/1158 cut-off events. For 58/85 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 8043 event pairs, 236 based on Foata normal form. 0/1010 useless extension candidates. Maximal degree in co-relation 1822. Up to 510 conditions per place. [2023-08-29 03:23:04,935 INFO L137 encePairwiseOnDemand]: 808/813 looper letters, 25 selfloop transitions, 4 changer transitions 0/76 dead transitions. [2023-08-29 03:23:04,936 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 76 transitions, 243 flow [2023-08-29 03:23:04,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:23:04,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:23:04,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1169 transitions. [2023-08-29 03:23:04,939 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4792947929479295 [2023-08-29 03:23:04,939 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1169 transitions. [2023-08-29 03:23:04,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1169 transitions. [2023-08-29 03:23:04,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:23:04,940 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1169 transitions. [2023-08-29 03:23:04,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 389.6666666666667) internal successors, (1169), 3 states have internal predecessors, (1169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:04,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 813.0) internal successors, (3252), 4 states have internal predecessors, (3252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:04,948 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 813.0) internal successors, (3252), 4 states have internal predecessors, (3252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:04,948 INFO L175 Difference]: Start difference. First operand has 77 places, 74 transitions, 181 flow. Second operand 3 states and 1169 transitions. [2023-08-29 03:23:04,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 76 transitions, 243 flow [2023-08-29 03:23:04,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 76 transitions, 243 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:23:04,951 INFO L231 Difference]: Finished difference. Result has 80 places, 76 transitions, 203 flow [2023-08-29 03:23:04,951 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=813, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=203, PETRI_PLACES=80, PETRI_TRANSITIONS=76} [2023-08-29 03:23:04,952 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -21 predicate places. [2023-08-29 03:23:04,952 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 76 transitions, 203 flow [2023-08-29 03:23:04,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 382.3333333333333) internal successors, (1147), 3 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:04,953 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:23:04,953 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:23:04,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 03:23:04,954 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 03:23:04,954 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:23:04,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1385921026, now seen corresponding path program 1 times [2023-08-29 03:23:04,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:23:04,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661889675] [2023-08-29 03:23:04,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:23:04,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:23:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:23:05,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:23:05,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:23:05,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661889675] [2023-08-29 03:23:05,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661889675] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:23:05,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133707581] [2023-08-29 03:23:05,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:23:05,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:23:05,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:23:05,033 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 03:23:05,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-29 03:23:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:23:05,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2023-08-29 03:23:05,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:23:05,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:23:05,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 03:23:05,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:23:05,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133707581] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 03:23:05,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 03:23:05,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-08-29 03:23:05,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133639591] [2023-08-29 03:23:05,241 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 03:23:05,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 03:23:05,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:23:05,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 03:23:05,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-08-29 03:23:05,468 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 813 [2023-08-29 03:23:05,471 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 76 transitions, 203 flow. Second operand has 8 states, 8 states have (on average 377.875) internal successors, (3023), 8 states have internal predecessors, (3023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:05,471 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:23:05,471 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 813 [2023-08-29 03:23:05,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:23:05,748 INFO L130 PetriNetUnfolder]: 294/1164 cut-off events. [2023-08-29 03:23:05,749 INFO L131 PetriNetUnfolder]: For 58/85 co-relation queries the response was YES. [2023-08-29 03:23:05,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1857 conditions, 1164 events. 294/1164 cut-off events. For 58/85 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 8052 event pairs, 236 based on Foata normal form. 3/1020 useless extension candidates. Maximal degree in co-relation 1849. Up to 510 conditions per place. [2023-08-29 03:23:05,769 INFO L137 encePairwiseOnDemand]: 808/813 looper letters, 25 selfloop transitions, 10 changer transitions 0/82 dead transitions. [2023-08-29 03:23:05,770 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 82 transitions, 297 flow [2023-08-29 03:23:05,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:23:05,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:23:05,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2295 transitions. [2023-08-29 03:23:05,776 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.470479704797048 [2023-08-29 03:23:05,779 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2295 transitions. [2023-08-29 03:23:05,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2295 transitions. [2023-08-29 03:23:05,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:23:05,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2295 transitions. [2023-08-29 03:23:05,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 382.5) internal successors, (2295), 6 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:05,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 813.0) internal successors, (5691), 7 states have internal predecessors, (5691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:05,800 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 813.0) internal successors, (5691), 7 states have internal predecessors, (5691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:05,800 INFO L175 Difference]: Start difference. First operand has 80 places, 76 transitions, 203 flow. Second operand 6 states and 2295 transitions. [2023-08-29 03:23:05,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 82 transitions, 297 flow [2023-08-29 03:23:05,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 82 transitions, 293 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:23:05,805 INFO L231 Difference]: Finished difference. Result has 87 places, 82 transitions, 265 flow [2023-08-29 03:23:05,807 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=813, PETRI_DIFFERENCE_MINUEND_FLOW=199, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=265, PETRI_PLACES=87, PETRI_TRANSITIONS=82} [2023-08-29 03:23:05,809 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -14 predicate places. [2023-08-29 03:23:05,809 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 82 transitions, 265 flow [2023-08-29 03:23:05,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 377.875) internal successors, (3023), 8 states have internal predecessors, (3023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:05,812 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:23:05,812 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:23:05,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-08-29 03:23:06,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-08-29 03:23:06,018 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 03:23:06,018 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:23:06,018 INFO L85 PathProgramCache]: Analyzing trace with hash 82071093, now seen corresponding path program 2 times [2023-08-29 03:23:06,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:23:06,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967763450] [2023-08-29 03:23:06,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:23:06,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:23:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:23:06,209 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-08-29 03:23:06,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:23:06,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967763450] [2023-08-29 03:23:06,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967763450] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:23:06,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316833288] [2023-08-29 03:23:06,210 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-29 03:23:06,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:23:06,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:23:06,212 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 03:23:06,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-29 03:23:06,329 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-08-29 03:23:06,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-29 03:23:06,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 19 conjunts are in the unsatisfiable core [2023-08-29 03:23:06,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:23:06,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-08-29 03:23:06,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-08-29 03:23:06,466 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-29 03:23:06,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-08-29 03:23:06,510 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-29 03:23:06,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-08-29 03:23:06,534 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-08-29 03:23:06,535 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-29 03:23:06,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316833288] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:23:06,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-29 03:23:06,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 11 [2023-08-29 03:23:06,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104897130] [2023-08-29 03:23:06,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:23:06,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-29 03:23:06,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:23:06,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-29 03:23:06,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-08-29 03:23:06,795 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 813 [2023-08-29 03:23:06,797 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 82 transitions, 265 flow. Second operand has 7 states, 7 states have (on average 372.85714285714283) internal successors, (2610), 7 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:06,797 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:23:06,797 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 813 [2023-08-29 03:23:06,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:23:07,143 INFO L130 PetriNetUnfolder]: 955/1949 cut-off events. [2023-08-29 03:23:07,144 INFO L131 PetriNetUnfolder]: For 182/182 co-relation queries the response was YES. [2023-08-29 03:23:07,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3848 conditions, 1949 events. 955/1949 cut-off events. For 182/182 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 11679 event pairs, 68 based on Foata normal form. 0/1721 useless extension candidates. Maximal degree in co-relation 3837. Up to 582 conditions per place. [2023-08-29 03:23:07,157 INFO L137 encePairwiseOnDemand]: 807/813 looper letters, 98 selfloop transitions, 5 changer transitions 0/145 dead transitions. [2023-08-29 03:23:07,157 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 145 transitions, 637 flow [2023-08-29 03:23:07,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 03:23:07,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 03:23:07,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2683 transitions. [2023-08-29 03:23:07,164 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4714461430328589 [2023-08-29 03:23:07,164 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2683 transitions. [2023-08-29 03:23:07,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2683 transitions. [2023-08-29 03:23:07,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:23:07,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2683 transitions. [2023-08-29 03:23:07,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 383.2857142857143) internal successors, (2683), 7 states have internal predecessors, (2683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:07,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 813.0) internal successors, (6504), 8 states have internal predecessors, (6504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:07,179 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 813.0) internal successors, (6504), 8 states have internal predecessors, (6504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:07,180 INFO L175 Difference]: Start difference. First operand has 87 places, 82 transitions, 265 flow. Second operand 7 states and 2683 transitions. [2023-08-29 03:23:07,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 145 transitions, 637 flow [2023-08-29 03:23:07,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 145 transitions, 621 flow, removed 6 selfloop flow, removed 1 redundant places. [2023-08-29 03:23:07,184 INFO L231 Difference]: Finished difference. Result has 91 places, 81 transitions, 257 flow [2023-08-29 03:23:07,184 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=813, PETRI_DIFFERENCE_MINUEND_FLOW=247, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=257, PETRI_PLACES=91, PETRI_TRANSITIONS=81} [2023-08-29 03:23:07,184 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -10 predicate places. [2023-08-29 03:23:07,185 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 81 transitions, 257 flow [2023-08-29 03:23:07,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 372.85714285714283) internal successors, (2610), 7 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:07,186 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:23:07,186 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:23:07,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-08-29 03:23:07,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-08-29 03:23:07,392 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 03:23:07,392 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:23:07,392 INFO L85 PathProgramCache]: Analyzing trace with hash -2047007933, now seen corresponding path program 1 times [2023-08-29 03:23:07,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:23:07,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307920460] [2023-08-29 03:23:07,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:23:07,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:23:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:23:07,439 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-08-29 03:23:07,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:23:07,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307920460] [2023-08-29 03:23:07,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307920460] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:23:07,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:23:07,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:23:07,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605388990] [2023-08-29 03:23:07,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:23:07,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:23:07,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:23:07,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:23:07,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:23:07,449 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 381 out of 813 [2023-08-29 03:23:07,451 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 81 transitions, 257 flow. Second operand has 3 states, 3 states have (on average 385.0) internal successors, (1155), 3 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:07,451 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:23:07,451 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 381 of 813 [2023-08-29 03:23:07,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:23:07,622 INFO L130 PetriNetUnfolder]: 367/1352 cut-off events. [2023-08-29 03:23:07,622 INFO L131 PetriNetUnfolder]: For 172/199 co-relation queries the response was YES. [2023-08-29 03:23:07,627 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2338 conditions, 1352 events. 367/1352 cut-off events. For 172/199 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 9527 event pairs, 101 based on Foata normal form. 1/1211 useless extension candidates. Maximal degree in co-relation 2326. Up to 441 conditions per place. [2023-08-29 03:23:07,632 INFO L137 encePairwiseOnDemand]: 809/813 looper letters, 51 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2023-08-29 03:23:07,632 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 95 transitions, 400 flow [2023-08-29 03:23:07,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:23:07,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:23:07,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1188 transitions. [2023-08-29 03:23:07,636 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4870848708487085 [2023-08-29 03:23:07,636 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1188 transitions. [2023-08-29 03:23:07,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1188 transitions. [2023-08-29 03:23:07,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:23:07,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1188 transitions. [2023-08-29 03:23:07,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 396.0) internal successors, (1188), 3 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:07,643 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 813.0) internal successors, (3252), 4 states have internal predecessors, (3252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:07,644 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 813.0) internal successors, (3252), 4 states have internal predecessors, (3252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:07,644 INFO L175 Difference]: Start difference. First operand has 91 places, 81 transitions, 257 flow. Second operand 3 states and 1188 transitions. [2023-08-29 03:23:07,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 95 transitions, 400 flow [2023-08-29 03:23:07,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 95 transitions, 389 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:23:07,647 INFO L231 Difference]: Finished difference. Result has 87 places, 81 transitions, 258 flow [2023-08-29 03:23:07,647 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=813, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=258, PETRI_PLACES=87, PETRI_TRANSITIONS=81} [2023-08-29 03:23:07,648 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -14 predicate places. [2023-08-29 03:23:07,648 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 81 transitions, 258 flow [2023-08-29 03:23:07,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 385.0) internal successors, (1155), 3 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:07,649 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:23:07,649 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:23:07,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 03:23:07,649 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 03:23:07,650 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:23:07,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1250251365, now seen corresponding path program 1 times [2023-08-29 03:23:07,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:23:07,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196636365] [2023-08-29 03:23:07,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:23:07,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:23:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:23:07,778 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-08-29 03:23:07,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:23:07,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196636365] [2023-08-29 03:23:07,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196636365] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:23:07,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277507560] [2023-08-29 03:23:07,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:23:07,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:23:07,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:23:07,781 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 03:23:07,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-08-29 03:23:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:23:07,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 8 conjunts are in the unsatisfiable core [2023-08-29 03:23:07,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:23:07,968 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-08-29 03:23:07,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 03:23:08,000 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-08-29 03:23:08,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277507560] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 03:23:08,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 03:23:08,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2023-08-29 03:23:08,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186320822] [2023-08-29 03:23:08,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 03:23:08,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 03:23:08,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:23:08,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 03:23:08,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2023-08-29 03:23:08,241 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 813 [2023-08-29 03:23:08,245 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 81 transitions, 258 flow. Second operand has 13 states, 13 states have (on average 377.61538461538464) internal successors, (4909), 13 states have internal predecessors, (4909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:08,245 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:23:08,245 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 813 [2023-08-29 03:23:08,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:23:08,431 INFO L130 PetriNetUnfolder]: 317/1247 cut-off events. [2023-08-29 03:23:08,432 INFO L131 PetriNetUnfolder]: For 80/109 co-relation queries the response was YES. [2023-08-29 03:23:08,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2088 conditions, 1247 events. 317/1247 cut-off events. For 80/109 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 8677 event pairs, 248 based on Foata normal form. 1/1140 useless extension candidates. Maximal degree in co-relation 2076. Up to 537 conditions per place. [2023-08-29 03:23:08,440 INFO L137 encePairwiseOnDemand]: 808/813 looper letters, 26 selfloop transitions, 12 changer transitions 0/83 dead transitions. [2023-08-29 03:23:08,440 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 83 transitions, 346 flow [2023-08-29 03:23:08,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 03:23:08,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 03:23:08,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2669 transitions. [2023-08-29 03:23:08,447 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4689861184326129 [2023-08-29 03:23:08,447 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2669 transitions. [2023-08-29 03:23:08,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2669 transitions. [2023-08-29 03:23:08,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:23:08,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2669 transitions. [2023-08-29 03:23:08,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 381.2857142857143) internal successors, (2669), 7 states have internal predecessors, (2669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:08,461 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 813.0) internal successors, (6504), 8 states have internal predecessors, (6504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:08,462 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 813.0) internal successors, (6504), 8 states have internal predecessors, (6504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:08,462 INFO L175 Difference]: Start difference. First operand has 87 places, 81 transitions, 258 flow. Second operand 7 states and 2669 transitions. [2023-08-29 03:23:08,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 83 transitions, 346 flow [2023-08-29 03:23:08,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 83 transitions, 346 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:23:08,466 INFO L231 Difference]: Finished difference. Result has 94 places, 83 transitions, 304 flow [2023-08-29 03:23:08,466 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=813, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=304, PETRI_PLACES=94, PETRI_TRANSITIONS=83} [2023-08-29 03:23:08,467 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -7 predicate places. [2023-08-29 03:23:08,467 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 83 transitions, 304 flow [2023-08-29 03:23:08,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 377.61538461538464) internal successors, (4909), 13 states have internal predecessors, (4909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:08,469 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:23:08,469 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:23:08,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-08-29 03:23:08,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:23:08,675 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 03:23:08,675 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:23:08,675 INFO L85 PathProgramCache]: Analyzing trace with hash -732802510, now seen corresponding path program 2 times [2023-08-29 03:23:08,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:23:08,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352735012] [2023-08-29 03:23:08,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:23:08,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:23:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:23:09,187 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-08-29 03:23:09,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:23:09,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352735012] [2023-08-29 03:23:09,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352735012] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:23:09,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:23:09,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:23:09,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364218228] [2023-08-29 03:23:09,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:23:09,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:23:09,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:23:09,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:23:09,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:23:09,465 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 813 [2023-08-29 03:23:09,467 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 83 transitions, 304 flow. Second operand has 6 states, 6 states have (on average 372.5) internal successors, (2235), 6 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:09,467 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:23:09,467 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 813 [2023-08-29 03:23:09,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:23:09,745 INFO L130 PetriNetUnfolder]: 540/1556 cut-off events. [2023-08-29 03:23:09,745 INFO L131 PetriNetUnfolder]: For 97/124 co-relation queries the response was YES. [2023-08-29 03:23:09,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2855 conditions, 1556 events. 540/1556 cut-off events. For 97/124 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 10235 event pairs, 248 based on Foata normal form. 0/1455 useless extension candidates. Maximal degree in co-relation 2841. Up to 539 conditions per place. [2023-08-29 03:23:09,757 INFO L137 encePairwiseOnDemand]: 807/813 looper letters, 86 selfloop transitions, 5 changer transitions 0/130 dead transitions. [2023-08-29 03:23:09,757 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 130 transitions, 604 flow [2023-08-29 03:23:09,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:23:09,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:23:09,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2295 transitions. [2023-08-29 03:23:09,763 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.470479704797048 [2023-08-29 03:23:09,763 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2295 transitions. [2023-08-29 03:23:09,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2295 transitions. [2023-08-29 03:23:09,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:23:09,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2295 transitions. [2023-08-29 03:23:09,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 382.5) internal successors, (2295), 6 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:09,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 813.0) internal successors, (5691), 7 states have internal predecessors, (5691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:09,777 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 813.0) internal successors, (5691), 7 states have internal predecessors, (5691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:09,778 INFO L175 Difference]: Start difference. First operand has 94 places, 83 transitions, 304 flow. Second operand 6 states and 2295 transitions. [2023-08-29 03:23:09,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 130 transitions, 604 flow [2023-08-29 03:23:09,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 130 transitions, 580 flow, removed 4 selfloop flow, removed 4 redundant places. [2023-08-29 03:23:09,782 INFO L231 Difference]: Finished difference. Result has 94 places, 82 transitions, 288 flow [2023-08-29 03:23:09,783 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=813, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=288, PETRI_PLACES=94, PETRI_TRANSITIONS=82} [2023-08-29 03:23:09,784 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -7 predicate places. [2023-08-29 03:23:09,784 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 82 transitions, 288 flow [2023-08-29 03:23:09,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.5) internal successors, (2235), 6 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:09,785 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:23:09,785 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:23:09,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 03:23:09,785 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 03:23:09,786 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:23:09,786 INFO L85 PathProgramCache]: Analyzing trace with hash 642778151, now seen corresponding path program 1 times [2023-08-29 03:23:09,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:23:09,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111779765] [2023-08-29 03:23:09,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:23:09,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:23:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:23:10,288 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-08-29 03:23:10,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:23:10,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111779765] [2023-08-29 03:23:10,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111779765] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:23:10,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:23:10,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:23:10,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261192766] [2023-08-29 03:23:10,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:23:10,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:23:10,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:23:10,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:23:10,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:23:10,582 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 813 [2023-08-29 03:23:10,583 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 82 transitions, 288 flow. Second operand has 6 states, 6 states have (on average 372.8333333333333) internal successors, (2237), 6 states have internal predecessors, (2237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:10,584 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:23:10,584 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 813 [2023-08-29 03:23:10,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:23:10,843 INFO L130 PetriNetUnfolder]: 512/1395 cut-off events. [2023-08-29 03:23:10,843 INFO L131 PetriNetUnfolder]: For 167/197 co-relation queries the response was YES. [2023-08-29 03:23:10,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2762 conditions, 1395 events. 512/1395 cut-off events. For 167/197 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 8561 event pairs, 231 based on Foata normal form. 1/1341 useless extension candidates. Maximal degree in co-relation 2747. Up to 507 conditions per place. [2023-08-29 03:23:10,854 INFO L137 encePairwiseOnDemand]: 807/813 looper letters, 78 selfloop transitions, 5 changer transitions 0/121 dead transitions. [2023-08-29 03:23:10,854 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 121 transitions, 572 flow [2023-08-29 03:23:10,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:23:10,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:23:10,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2287 transitions. [2023-08-29 03:23:10,860 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46883968839688395 [2023-08-29 03:23:10,860 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2287 transitions. [2023-08-29 03:23:10,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2287 transitions. [2023-08-29 03:23:10,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:23:10,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2287 transitions. [2023-08-29 03:23:10,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 381.1666666666667) internal successors, (2287), 6 states have internal predecessors, (2287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:10,871 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 813.0) internal successors, (5691), 7 states have internal predecessors, (5691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:10,873 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 813.0) internal successors, (5691), 7 states have internal predecessors, (5691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:10,873 INFO L175 Difference]: Start difference. First operand has 94 places, 82 transitions, 288 flow. Second operand 6 states and 2287 transitions. [2023-08-29 03:23:10,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 121 transitions, 572 flow [2023-08-29 03:23:10,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 121 transitions, 554 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:23:10,876 INFO L231 Difference]: Finished difference. Result has 93 places, 81 transitions, 286 flow [2023-08-29 03:23:10,877 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=813, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=286, PETRI_PLACES=93, PETRI_TRANSITIONS=81} [2023-08-29 03:23:10,877 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -8 predicate places. [2023-08-29 03:23:10,877 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 81 transitions, 286 flow [2023-08-29 03:23:10,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.8333333333333) internal successors, (2237), 6 states have internal predecessors, (2237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:10,878 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:23:10,878 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:23:10,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 03:23:10,878 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 03:23:10,879 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:23:10,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1824341845, now seen corresponding path program 1 times [2023-08-29 03:23:10,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:23:10,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050782753] [2023-08-29 03:23:10,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:23:10,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:23:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:23:11,278 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-08-29 03:23:11,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:23:11,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050782753] [2023-08-29 03:23:11,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050782753] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:23:11,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:23:11,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:23:11,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633959523] [2023-08-29 03:23:11,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:23:11,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:23:11,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:23:11,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:23:11,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:23:11,526 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 813 [2023-08-29 03:23:11,527 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 81 transitions, 286 flow. Second operand has 6 states, 6 states have (on average 374.1666666666667) internal successors, (2245), 6 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:11,528 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:23:11,528 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 813 [2023-08-29 03:23:11,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:23:11,782 INFO L130 PetriNetUnfolder]: 372/1237 cut-off events. [2023-08-29 03:23:11,782 INFO L131 PetriNetUnfolder]: For 111/140 co-relation queries the response was YES. [2023-08-29 03:23:11,787 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2352 conditions, 1237 events. 372/1237 cut-off events. For 111/140 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 8119 event pairs, 235 based on Foata normal form. 0/1189 useless extension candidates. Maximal degree in co-relation 2337. Up to 515 conditions per place. [2023-08-29 03:23:11,792 INFO L137 encePairwiseOnDemand]: 808/813 looper letters, 66 selfloop transitions, 4 changer transitions 8/116 dead transitions. [2023-08-29 03:23:11,792 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 116 transitions, 540 flow [2023-08-29 03:23:11,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:23:11,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:23:11,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2288 transitions. [2023-08-29 03:23:11,798 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46904469044690444 [2023-08-29 03:23:11,798 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2288 transitions. [2023-08-29 03:23:11,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2288 transitions. [2023-08-29 03:23:11,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:23:11,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2288 transitions. [2023-08-29 03:23:11,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 381.3333333333333) internal successors, (2288), 6 states have internal predecessors, (2288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:11,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 813.0) internal successors, (5691), 7 states have internal predecessors, (5691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:11,810 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 813.0) internal successors, (5691), 7 states have internal predecessors, (5691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:11,811 INFO L175 Difference]: Start difference. First operand has 93 places, 81 transitions, 286 flow. Second operand 6 states and 2288 transitions. [2023-08-29 03:23:11,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 116 transitions, 540 flow [2023-08-29 03:23:11,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 116 transitions, 522 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:23:11,814 INFO L231 Difference]: Finished difference. Result has 92 places, 80 transitions, 282 flow [2023-08-29 03:23:11,814 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=813, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=282, PETRI_PLACES=92, PETRI_TRANSITIONS=80} [2023-08-29 03:23:11,815 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -9 predicate places. [2023-08-29 03:23:11,815 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 80 transitions, 282 flow [2023-08-29 03:23:11,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 374.1666666666667) internal successors, (2245), 6 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:11,816 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:23:11,816 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:23:11,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 03:23:11,816 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 03:23:11,817 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:23:11,817 INFO L85 PathProgramCache]: Analyzing trace with hash -796614774, now seen corresponding path program 1 times [2023-08-29 03:23:11,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:23:11,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553429104] [2023-08-29 03:23:11,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:23:11,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:23:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:23:12,226 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-08-29 03:23:12,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:23:12,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553429104] [2023-08-29 03:23:12,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553429104] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:23:12,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:23:12,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:23:12,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660449617] [2023-08-29 03:23:12,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:23:12,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:23:12,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:23:12,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:23:12,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:23:12,512 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 813 [2023-08-29 03:23:12,513 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 80 transitions, 282 flow. Second operand has 6 states, 6 states have (on average 372.8333333333333) internal successors, (2237), 6 states have internal predecessors, (2237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:12,513 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:23:12,514 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 813 [2023-08-29 03:23:12,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:23:12,724 INFO L130 PetriNetUnfolder]: 380/1228 cut-off events. [2023-08-29 03:23:12,725 INFO L131 PetriNetUnfolder]: For 109/138 co-relation queries the response was YES. [2023-08-29 03:23:12,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2262 conditions, 1228 events. 380/1228 cut-off events. For 109/138 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 7829 event pairs, 231 based on Foata normal form. 0/1190 useless extension candidates. Maximal degree in co-relation 2247. Up to 509 conditions per place. [2023-08-29 03:23:12,732 INFO L137 encePairwiseOnDemand]: 807/813 looper letters, 60 selfloop transitions, 5 changer transitions 12/115 dead transitions. [2023-08-29 03:23:12,732 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 115 transitions, 534 flow [2023-08-29 03:23:12,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:23:12,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:23:12,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2285 transitions. [2023-08-29 03:23:12,738 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46842968429684295 [2023-08-29 03:23:12,738 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2285 transitions. [2023-08-29 03:23:12,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2285 transitions. [2023-08-29 03:23:12,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:23:12,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2285 transitions. [2023-08-29 03:23:12,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 380.8333333333333) internal successors, (2285), 6 states have internal predecessors, (2285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:12,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 813.0) internal successors, (5691), 7 states have internal predecessors, (5691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:12,750 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 813.0) internal successors, (5691), 7 states have internal predecessors, (5691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:12,750 INFO L175 Difference]: Start difference. First operand has 92 places, 80 transitions, 282 flow. Second operand 6 states and 2285 transitions. [2023-08-29 03:23:12,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 115 transitions, 534 flow [2023-08-29 03:23:12,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 115 transitions, 519 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:23:12,753 INFO L231 Difference]: Finished difference. Result has 92 places, 79 transitions, 283 flow [2023-08-29 03:23:12,753 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=813, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=283, PETRI_PLACES=92, PETRI_TRANSITIONS=79} [2023-08-29 03:23:12,754 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -9 predicate places. [2023-08-29 03:23:12,754 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 79 transitions, 283 flow [2023-08-29 03:23:12,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.8333333333333) internal successors, (2237), 6 states have internal predecessors, (2237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:12,755 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:23:12,755 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:23:12,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 03:23:12,755 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 03:23:12,756 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:23:12,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1898254503, now seen corresponding path program 1 times [2023-08-29 03:23:12,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:23:12,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847700469] [2023-08-29 03:23:12,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:23:12,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:23:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:23:13,119 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-08-29 03:23:13,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:23:13,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847700469] [2023-08-29 03:23:13,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847700469] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:23:13,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:23:13,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:23:13,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274318548] [2023-08-29 03:23:13,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:23:13,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:23:13,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:23:13,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:23:13,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:23:13,366 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 813 [2023-08-29 03:23:13,368 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 79 transitions, 283 flow. Second operand has 6 states, 6 states have (on average 372.5) internal successors, (2235), 6 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:13,368 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:23:13,368 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 813 [2023-08-29 03:23:13,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:23:13,617 INFO L130 PetriNetUnfolder]: 425/1284 cut-off events. [2023-08-29 03:23:13,618 INFO L131 PetriNetUnfolder]: For 124/153 co-relation queries the response was YES. [2023-08-29 03:23:13,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2442 conditions, 1284 events. 425/1284 cut-off events. For 124/153 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 8144 event pairs, 248 based on Foata normal form. 0/1237 useless extension candidates. Maximal degree in co-relation 2427. Up to 543 conditions per place. [2023-08-29 03:23:13,624 INFO L137 encePairwiseOnDemand]: 807/813 looper letters, 0 selfloop transitions, 0 changer transitions 122/122 dead transitions. [2023-08-29 03:23:13,625 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 122 transitions, 569 flow [2023-08-29 03:23:13,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:23:13,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:23:13,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2294 transitions. [2023-08-29 03:23:13,631 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4702747027470275 [2023-08-29 03:23:13,631 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2294 transitions. [2023-08-29 03:23:13,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2294 transitions. [2023-08-29 03:23:13,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:23:13,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2294 transitions. [2023-08-29 03:23:13,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 382.3333333333333) internal successors, (2294), 6 states have internal predecessors, (2294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:13,643 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 813.0) internal successors, (5691), 7 states have internal predecessors, (5691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:13,644 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 813.0) internal successors, (5691), 7 states have internal predecessors, (5691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:13,644 INFO L175 Difference]: Start difference. First operand has 92 places, 79 transitions, 283 flow. Second operand 6 states and 2294 transitions. [2023-08-29 03:23:13,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 122 transitions, 569 flow [2023-08-29 03:23:13,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 122 transitions, 543 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:23:13,647 INFO L231 Difference]: Finished difference. Result has 91 places, 0 transitions, 0 flow [2023-08-29 03:23:13,648 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=813, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=91, PETRI_TRANSITIONS=0} [2023-08-29 03:23:13,648 INFO L281 CegarLoopForPetriNet]: 101 programPoint places, -10 predicate places. [2023-08-29 03:23:13,648 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 0 transitions, 0 flow [2023-08-29 03:23:13,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.5) internal successors, (2235), 6 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:13,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2023-08-29 03:23:13,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2023-08-29 03:23:13,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2023-08-29 03:23:13,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2023-08-29 03:23:13,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2023-08-29 03:23:13,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2023-08-29 03:23:13,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2023-08-29 03:23:13,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2023-08-29 03:23:13,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2023-08-29 03:23:13,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2023-08-29 03:23:13,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2023-08-29 03:23:13,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2023-08-29 03:23:13,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2023-08-29 03:23:13,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2023-08-29 03:23:13,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2023-08-29 03:23:13,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2023-08-29 03:23:13,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2023-08-29 03:23:13,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2023-08-29 03:23:13,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2023-08-29 03:23:13,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2023-08-29 03:23:13,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2023-08-29 03:23:13,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2023-08-29 03:23:13,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2023-08-29 03:23:13,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2023-08-29 03:23:13,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2023-08-29 03:23:13,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2023-08-29 03:23:13,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2023-08-29 03:23:13,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2023-08-29 03:23:13,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2023-08-29 03:23:13,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2023-08-29 03:23:13,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2023-08-29 03:23:13,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2023-08-29 03:23:13,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2023-08-29 03:23:13,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2023-08-29 03:23:13,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (25 of 60 remaining) [2023-08-29 03:23:13,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (24 of 60 remaining) [2023-08-29 03:23:13,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 60 remaining) [2023-08-29 03:23:13,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 60 remaining) [2023-08-29 03:23:13,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2023-08-29 03:23:13,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2023-08-29 03:23:13,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2023-08-29 03:23:13,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2023-08-29 03:23:13,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2023-08-29 03:23:13,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2023-08-29 03:23:13,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2023-08-29 03:23:13,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2023-08-29 03:23:13,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2023-08-29 03:23:13,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2023-08-29 03:23:13,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2023-08-29 03:23:13,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2023-08-29 03:23:13,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2023-08-29 03:23:13,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2023-08-29 03:23:13,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2023-08-29 03:23:13,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2023-08-29 03:23:13,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2023-08-29 03:23:13,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2023-08-29 03:23:13,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2023-08-29 03:23:13,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2023-08-29 03:23:13,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2023-08-29 03:23:13,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2023-08-29 03:23:13,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 03:23:13,661 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:23:13,666 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:23:13,666 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:23:13,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:23:13 BasicIcfg [2023-08-29 03:23:13,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:23:13,669 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:23:13,669 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:23:13,670 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:23:13,670 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:22:54" (3/4) ... [2023-08-29 03:23:13,672 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:23:13,677 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 03:23:13,677 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 03:23:13,682 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-29 03:23:13,683 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 03:23:13,683 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:23:13,683 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:23:13,719 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:23:13,720 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:23:13,720 INFO L158 Benchmark]: Toolchain (without parser) took 20816.98ms. Allocated memory was 79.7MB in the beginning and 283.1MB in the end (delta: 203.4MB). Free memory was 57.6MB in the beginning and 111.4MB in the end (delta: -53.8MB). Peak memory consumption was 151.6MB. Max. memory is 16.1GB. [2023-08-29 03:23:13,720 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 62.9MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:23:13,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.25ms. Allocated memory is still 79.7MB. Free memory was 57.4MB in the beginning and 44.9MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 03:23:13,721 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.93ms. Allocated memory is still 79.7MB. Free memory was 44.8MB in the beginning and 41.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:23:13,721 INFO L158 Benchmark]: Boogie Preprocessor took 74.18ms. Allocated memory is still 79.7MB. Free memory was 41.7MB in the beginning and 38.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:23:13,721 INFO L158 Benchmark]: RCFGBuilder took 734.64ms. Allocated memory is still 79.7MB. Free memory was 38.9MB in the beginning and 28.5MB in the end (delta: 10.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2023-08-29 03:23:13,722 INFO L158 Benchmark]: TraceAbstraction took 19496.05ms. Allocated memory was 79.7MB in the beginning and 283.1MB in the end (delta: 203.4MB). Free memory was 27.8MB in the beginning and 116.6MB in the end (delta: -88.8MB). Peak memory consumption was 114.0MB. Max. memory is 16.1GB. [2023-08-29 03:23:13,722 INFO L158 Benchmark]: Witness Printer took 50.28ms. Allocated memory is still 283.1MB. Free memory was 116.6MB in the beginning and 111.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:23:13,723 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 62.9MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.25ms. Allocated memory is still 79.7MB. Free memory was 57.4MB in the beginning and 44.9MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.93ms. Allocated memory is still 79.7MB. Free memory was 44.8MB in the beginning and 41.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.18ms. Allocated memory is still 79.7MB. Free memory was 41.7MB in the beginning and 38.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 734.64ms. Allocated memory is still 79.7MB. Free memory was 38.9MB in the beginning and 28.5MB in the end (delta: 10.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * TraceAbstraction took 19496.05ms. Allocated memory was 79.7MB in the beginning and 283.1MB in the end (delta: 203.4MB). Free memory was 27.8MB in the beginning and 116.6MB in the end (delta: -88.8MB). Peak memory consumption was 114.0MB. Max. memory is 16.1GB. * Witness Printer took 50.28ms. Allocated memory is still 283.1MB. Free memory was 116.6MB in the beginning and 111.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.7s, 373 PlacesBefore, 101 PlacesAfterwards, 390 TransitionsBefore, 100 TransitionsAfterwards, 24320 CoEnabledTransitionPairs, 8 FixpointIterations, 177 TrivialSequentialCompositions, 161 ConcurrentSequentialCompositions, 26 TrivialYvCompositions, 21 ConcurrentYvCompositions, 18 ChoiceCompositions, 403 TotalNumberOfCompositions, 77925 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28677, independent: 27668, independent conditional: 0, independent unconditional: 27668, dependent: 1009, dependent conditional: 0, dependent unconditional: 1009, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12634, independent: 12542, independent conditional: 0, independent unconditional: 12542, dependent: 92, dependent conditional: 0, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 28677, independent: 15126, independent conditional: 0, independent unconditional: 15126, dependent: 917, dependent conditional: 0, dependent unconditional: 917, unknown: 12634, unknown conditional: 0, unknown unconditional: 12634] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 720, Positive conditional cache size: 0, Positive unconditional cache size: 720, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: 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: 72]: 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: 68]: 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: 68]: 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: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: 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: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: 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 5 procedures, 567 locations, 60 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: 19.3s, OverallIterations: 14, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1958 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1267 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 43 mSDsCounter, 629 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3963 IncrementalHoareTripleChecker+Invalid, 4592 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 629 mSolverCounterUnsat, 29 mSDtfsCounter, 3963 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 87 SyntacticMatches, 4 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=304occurred in iteration=9, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 322 NumberOfCodeBlocks, 314 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 340 ConstructedInterpolants, 0 QuantifiedInterpolants, 1127 SizeOfPredicates, 2 NumberOfNonLiveVariables, 694 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 233/276 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 36 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 03:23:13,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE