./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b7c7619d813e48364b259b1a428c27bb8d838fdbf884f11806f1a0c23ff1cb9 --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 02:54:50,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 02:54:50,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 02:54:50,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 02:54:50,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 02:54:50,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 02:54:50,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 02:54:50,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 02:54:50,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 02:54:50,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 02:54:50,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 02:54:50,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 02:54:50,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 02:54:50,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 02:54:50,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 02:54:50,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 02:54:50,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 02:54:50,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 02:54:50,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 02:54:50,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 02:54:50,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 02:54:50,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 02:54:50,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 02:54:50,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 02:54:50,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 02:54:50,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 02:54:50,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 02:54:50,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 02:54:50,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 02:54:50,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 02:54:50,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 02:54:50,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 02:54:50,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 02:54:50,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 02:54:50,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 02:54:50,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 02:54:50,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 02:54:50,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 02:54:50,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 02:54:50,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 02:54:50,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 02:54:50,954 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 02:54:50,987 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 02:54:50,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 02:54:50,989 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 02:54:50,989 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 02:54:50,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 02:54:50,990 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 02:54:50,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 02:54:50,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 02:54:50,991 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 02:54:50,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 02:54:50,992 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 02:54:50,993 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 02:54:50,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 02:54:50,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 02:54:50,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 02:54:50,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 02:54:50,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 02:54:50,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 02:54:50,994 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 02:54:50,994 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 02:54:50,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 02:54:50,995 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 02:54:50,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 02:54:50,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 02:54:50,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 02:54:50,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 02:54:50,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:54:50,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 02:54:50,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 02:54:50,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 02:54:50,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 02:54:50,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 02:54:50,997 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 02:54:50,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 02:54:50,997 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 02:54:50,997 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 02:54:50,998 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 02:54:50,998 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b7c7619d813e48364b259b1a428c27bb8d838fdbf884f11806f1a0c23ff1cb9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 02:54:51,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 02:54:51,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 02:54:51,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 02:54:51,314 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 02:54:51,315 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 02:54:51,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2023-08-29 02:54:52,650 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 02:54:52,929 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 02:54:52,931 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2023-08-29 02:54:52,946 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf6b133df/4c4c992a55084531ac9c547c642ba477/FLAG3f65fd5b0 [2023-08-29 02:54:52,973 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf6b133df/4c4c992a55084531ac9c547c642ba477 [2023-08-29 02:54:52,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 02:54:52,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 02:54:52,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 02:54:52,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 02:54:52,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 02:54:52,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:54:52" (1/1) ... [2023-08-29 02:54:52,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7022a0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:52, skipping insertion in model container [2023-08-29 02:54:52,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:54:52" (1/1) ... [2023-08-29 02:54:52,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 02:54:53,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 02:54:53,351 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i[30176,30189] [2023-08-29 02:54:53,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:54:53,395 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 02:54:53,425 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i[30176,30189] [2023-08-29 02:54:53,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:54:53,470 INFO L208 MainTranslator]: Completed translation [2023-08-29 02:54:53,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:53 WrapperNode [2023-08-29 02:54:53,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 02:54:53,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 02:54:53,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 02:54:53,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 02:54:53,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:53" (1/1) ... [2023-08-29 02:54:53,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:53" (1/1) ... [2023-08-29 02:54:53,522 INFO L138 Inliner]: procedures = 170, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2023-08-29 02:54:53,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 02:54:53,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 02:54:53,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 02:54:53,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 02:54:53,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:53" (1/1) ... [2023-08-29 02:54:53,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:53" (1/1) ... [2023-08-29 02:54:53,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:53" (1/1) ... [2023-08-29 02:54:53,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:53" (1/1) ... [2023-08-29 02:54:53,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:53" (1/1) ... [2023-08-29 02:54:53,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:53" (1/1) ... [2023-08-29 02:54:53,561 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:53" (1/1) ... [2023-08-29 02:54:53,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:53" (1/1) ... [2023-08-29 02:54:53,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 02:54:53,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 02:54:53,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 02:54:53,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 02:54:53,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:53" (1/1) ... [2023-08-29 02:54:53,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:54:53,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:54:53,605 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 02:54:53,631 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 02:54:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 02:54:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 02:54:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 02:54:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 02:54:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 02:54:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 02:54:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 02:54:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 02:54:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 02:54:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 02:54:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 02:54:53,649 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 02:54:53,773 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 02:54:53,775 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 02:54:54,171 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 02:54:54,178 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 02:54:54,178 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-08-29 02:54:54,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:54:54 BoogieIcfgContainer [2023-08-29 02:54:54,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 02:54:54,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 02:54:54,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 02:54:54,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 02:54:54,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 02:54:52" (1/3) ... [2023-08-29 02:54:54,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4acc8817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:54:54, skipping insertion in model container [2023-08-29 02:54:54,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:53" (2/3) ... [2023-08-29 02:54:54,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4acc8817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:54:54, skipping insertion in model container [2023-08-29 02:54:54,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:54:54" (3/3) ... [2023-08-29 02:54:54,187 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_46-escape_racefree.i [2023-08-29 02:54:54,194 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 02:54:54,209 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 02:54:54,209 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-29 02:54:54,210 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 02:54:54,333 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 02:54:54,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 138 places, 143 transitions, 294 flow [2023-08-29 02:54:54,449 INFO L130 PetriNetUnfolder]: 9/142 cut-off events. [2023-08-29 02:54:54,449 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 02:54:54,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 142 events. 9/142 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 280 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 94. Up to 3 conditions per place. [2023-08-29 02:54:54,456 INFO L82 GeneralOperation]: Start removeDead. Operand has 138 places, 143 transitions, 294 flow [2023-08-29 02:54:54,464 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 133 transitions, 269 flow [2023-08-29 02:54:54,468 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 02:54:54,479 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 133 transitions, 269 flow [2023-08-29 02:54:54,485 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 133 transitions, 269 flow [2023-08-29 02:54:54,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 128 places, 133 transitions, 269 flow [2023-08-29 02:54:54,529 INFO L130 PetriNetUnfolder]: 9/133 cut-off events. [2023-08-29 02:54:54,529 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:54:54,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 133 events. 9/133 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 227 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 94. Up to 3 conditions per place. [2023-08-29 02:54:54,535 INFO L119 LiptonReduction]: Number of co-enabled transitions 4026 [2023-08-29 02:54:57,758 INFO L134 LiptonReduction]: Checked pairs total: 20613 [2023-08-29 02:54:57,758 INFO L136 LiptonReduction]: Total number of compositions: 83 [2023-08-29 02:54:57,783 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 02:54:57,799 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;@57e6692c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 02:54:57,800 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2023-08-29 02:54:57,831 INFO L130 PetriNetUnfolder]: 2/32 cut-off events. [2023-08-29 02:54:57,833 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:54:57,834 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:54:57,835 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:54:57,835 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-08-29 02:54:57,839 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:54:57,840 INFO L85 PathProgramCache]: Analyzing trace with hash 558302899, now seen corresponding path program 1 times [2023-08-29 02:54:57,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:54:57,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330688311] [2023-08-29 02:54:57,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:54:57,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:54:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:54:58,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:54:58,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:54:58,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330688311] [2023-08-29 02:54:58,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330688311] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:54:58,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:54:58,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:54:58,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129869247] [2023-08-29 02:54:58,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:54:58,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:54:58,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:54:58,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:54:58,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:54:58,687 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 226 [2023-08-29 02:54:58,692 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 61 transitions, 125 flow. Second operand has 6 states, 6 states have (on average 109.5) internal successors, (657), 6 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:58,693 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:54:58,693 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 226 [2023-08-29 02:54:58,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:54:58,842 INFO L130 PetriNetUnfolder]: 108/316 cut-off events. [2023-08-29 02:54:58,843 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:54:58,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 570 conditions, 316 events. 108/316 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1308 event pairs, 64 based on Foata normal form. 5/316 useless extension candidates. Maximal degree in co-relation 561. Up to 151 conditions per place. [2023-08-29 02:54:58,849 INFO L137 encePairwiseOnDemand]: 206/226 looper letters, 39 selfloop transitions, 10 changer transitions 0/67 dead transitions. [2023-08-29 02:54:58,850 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 67 transitions, 235 flow [2023-08-29 02:54:58,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:54:58,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:54:58,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 715 transitions. [2023-08-29 02:54:58,869 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5272861356932154 [2023-08-29 02:54:58,870 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 715 transitions. [2023-08-29 02:54:58,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 715 transitions. [2023-08-29 02:54:58,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:54:58,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 715 transitions. [2023-08-29 02:54:58,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 119.16666666666667) internal successors, (715), 6 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:58,885 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 226.0) internal successors, (1582), 7 states have internal predecessors, (1582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:58,885 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 226.0) internal successors, (1582), 7 states have internal predecessors, (1582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:58,887 INFO L175 Difference]: Start difference. First operand has 57 places, 61 transitions, 125 flow. Second operand 6 states and 715 transitions. [2023-08-29 02:54:58,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 67 transitions, 235 flow [2023-08-29 02:54:58,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 67 transitions, 234 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 02:54:58,891 INFO L231 Difference]: Finished difference. Result has 59 places, 51 transitions, 124 flow [2023-08-29 02:54:58,893 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=124, PETRI_PLACES=59, PETRI_TRANSITIONS=51} [2023-08-29 02:54:58,896 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 2 predicate places. [2023-08-29 02:54:58,896 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 51 transitions, 124 flow [2023-08-29 02:54:58,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 109.5) internal successors, (657), 6 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:58,897 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:54:58,897 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:54:58,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 02:54:58,897 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-08-29 02:54:58,898 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:54:58,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1460847532, now seen corresponding path program 1 times [2023-08-29 02:54:58,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:54:58,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563033446] [2023-08-29 02:54:58,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:54:58,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:54:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:54:59,139 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 02:54:59,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:54:59,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563033446] [2023-08-29 02:54:59,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563033446] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:54:59,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:54:59,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:54:59,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060608530] [2023-08-29 02:54:59,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:54:59,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:54:59,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:54:59,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:54:59,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:54:59,353 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 226 [2023-08-29 02:54:59,354 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 51 transitions, 124 flow. Second operand has 6 states, 6 states have (on average 115.5) internal successors, (693), 6 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:59,355 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:54:59,355 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 226 [2023-08-29 02:54:59,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:54:59,614 INFO L130 PetriNetUnfolder]: 249/790 cut-off events. [2023-08-29 02:54:59,614 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2023-08-29 02:54:59,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1432 conditions, 790 events. 249/790 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4192 event pairs, 48 based on Foata normal form. 0/751 useless extension candidates. Maximal degree in co-relation 1423. Up to 338 conditions per place. [2023-08-29 02:54:59,619 INFO L137 encePairwiseOnDemand]: 212/226 looper letters, 79 selfloop transitions, 37 changer transitions 0/136 dead transitions. [2023-08-29 02:54:59,619 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 136 transitions, 558 flow [2023-08-29 02:54:59,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:54:59,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:54:59,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 801 transitions. [2023-08-29 02:54:59,622 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5907079646017699 [2023-08-29 02:54:59,622 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 801 transitions. [2023-08-29 02:54:59,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 801 transitions. [2023-08-29 02:54:59,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:54:59,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 801 transitions. [2023-08-29 02:54:59,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 133.5) internal successors, (801), 6 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:59,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 226.0) internal successors, (1582), 7 states have internal predecessors, (1582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:59,629 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 226.0) internal successors, (1582), 7 states have internal predecessors, (1582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:59,629 INFO L175 Difference]: Start difference. First operand has 59 places, 51 transitions, 124 flow. Second operand 6 states and 801 transitions. [2023-08-29 02:54:59,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 136 transitions, 558 flow [2023-08-29 02:54:59,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 136 transitions, 506 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 02:54:59,633 INFO L231 Difference]: Finished difference. Result has 64 places, 87 transitions, 350 flow [2023-08-29 02:54:59,633 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=350, PETRI_PLACES=64, PETRI_TRANSITIONS=87} [2023-08-29 02:54:59,634 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 7 predicate places. [2023-08-29 02:54:59,634 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 87 transitions, 350 flow [2023-08-29 02:54:59,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 115.5) internal successors, (693), 6 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:59,635 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:54:59,635 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:54:59,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 02:54:59,635 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-08-29 02:54:59,636 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:54:59,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1511624828, now seen corresponding path program 1 times [2023-08-29 02:54:59,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:54:59,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967245947] [2023-08-29 02:54:59,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:54:59,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:54:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:54:59,869 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 02:54:59,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:54:59,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967245947] [2023-08-29 02:54:59,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967245947] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:54:59,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:54:59,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:54:59,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890966280] [2023-08-29 02:54:59,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:54:59,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:54:59,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:54:59,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:54:59,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:54:59,993 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 226 [2023-08-29 02:54:59,995 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 87 transitions, 350 flow. Second operand has 6 states, 6 states have (on average 101.33333333333333) internal successors, (608), 6 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:59,995 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:54:59,995 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 226 [2023-08-29 02:54:59,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:55:00,229 INFO L130 PetriNetUnfolder]: 553/1306 cut-off events. [2023-08-29 02:55:00,230 INFO L131 PetriNetUnfolder]: For 517/532 co-relation queries the response was YES. [2023-08-29 02:55:00,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3183 conditions, 1306 events. 553/1306 cut-off events. For 517/532 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 6844 event pairs, 318 based on Foata normal form. 0/1252 useless extension candidates. Maximal degree in co-relation 3170. Up to 1106 conditions per place. [2023-08-29 02:55:00,237 INFO L137 encePairwiseOnDemand]: 212/226 looper letters, 89 selfloop transitions, 44 changer transitions 0/142 dead transitions. [2023-08-29 02:55:00,237 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 142 transitions, 800 flow [2023-08-29 02:55:00,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:55:00,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:55:00,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 689 transitions. [2023-08-29 02:55:00,240 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5081120943952803 [2023-08-29 02:55:00,240 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 689 transitions. [2023-08-29 02:55:00,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 689 transitions. [2023-08-29 02:55:00,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:55:00,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 689 transitions. [2023-08-29 02:55:00,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 114.83333333333333) internal successors, (689), 6 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:00,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 226.0) internal successors, (1582), 7 states have internal predecessors, (1582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:00,245 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 226.0) internal successors, (1582), 7 states have internal predecessors, (1582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:00,246 INFO L175 Difference]: Start difference. First operand has 64 places, 87 transitions, 350 flow. Second operand 6 states and 689 transitions. [2023-08-29 02:55:00,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 142 transitions, 800 flow [2023-08-29 02:55:00,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 142 transitions, 800 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 02:55:00,251 INFO L231 Difference]: Finished difference. Result has 73 places, 126 transitions, 656 flow [2023-08-29 02:55:00,252 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=656, PETRI_PLACES=73, PETRI_TRANSITIONS=126} [2023-08-29 02:55:00,252 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 16 predicate places. [2023-08-29 02:55:00,252 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 126 transitions, 656 flow [2023-08-29 02:55:00,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 101.33333333333333) internal successors, (608), 6 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:00,253 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:55:00,253 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:55:00,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 02:55:00,254 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-08-29 02:55:00,254 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:55:00,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1147856007, now seen corresponding path program 1 times [2023-08-29 02:55:00,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:55:00,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562331944] [2023-08-29 02:55:00,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:55:00,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:55:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:55:00,534 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 02:55:00,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:55:00,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562331944] [2023-08-29 02:55:00,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562331944] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:55:00,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:55:00,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:55:00,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489659127] [2023-08-29 02:55:00,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:55:00,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:55:00,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:55:00,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:55:00,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:55:00,731 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 226 [2023-08-29 02:55:00,732 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 126 transitions, 656 flow. Second operand has 6 states, 6 states have (on average 115.83333333333333) internal successors, (695), 6 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:00,732 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:55:00,733 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 226 [2023-08-29 02:55:00,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:55:01,031 INFO L130 PetriNetUnfolder]: 463/1209 cut-off events. [2023-08-29 02:55:01,032 INFO L131 PetriNetUnfolder]: For 780/807 co-relation queries the response was YES. [2023-08-29 02:55:01,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3322 conditions, 1209 events. 463/1209 cut-off events. For 780/807 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 6806 event pairs, 92 based on Foata normal form. 2/1172 useless extension candidates. Maximal degree in co-relation 3304. Up to 651 conditions per place. [2023-08-29 02:55:01,040 INFO L137 encePairwiseOnDemand]: 212/226 looper letters, 120 selfloop transitions, 72 changer transitions 12/242 dead transitions. [2023-08-29 02:55:01,041 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 242 transitions, 1575 flow [2023-08-29 02:55:01,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:55:01,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:55:01,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 801 transitions. [2023-08-29 02:55:01,044 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5907079646017699 [2023-08-29 02:55:01,044 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 801 transitions. [2023-08-29 02:55:01,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 801 transitions. [2023-08-29 02:55:01,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:55:01,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 801 transitions. [2023-08-29 02:55:01,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 133.5) internal successors, (801), 6 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:01,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 226.0) internal successors, (1582), 7 states have internal predecessors, (1582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:01,073 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 226.0) internal successors, (1582), 7 states have internal predecessors, (1582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:01,073 INFO L175 Difference]: Start difference. First operand has 73 places, 126 transitions, 656 flow. Second operand 6 states and 801 transitions. [2023-08-29 02:55:01,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 242 transitions, 1575 flow [2023-08-29 02:55:01,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 242 transitions, 1551 flow, removed 12 selfloop flow, removed 0 redundant places. [2023-08-29 02:55:01,086 INFO L231 Difference]: Finished difference. Result has 83 places, 193 transitions, 1368 flow [2023-08-29 02:55:01,086 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1368, PETRI_PLACES=83, PETRI_TRANSITIONS=193} [2023-08-29 02:55:01,088 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 26 predicate places. [2023-08-29 02:55:01,088 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 193 transitions, 1368 flow [2023-08-29 02:55:01,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 115.83333333333333) internal successors, (695), 6 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:01,089 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:55:01,089 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:55:01,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 02:55:01,089 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-08-29 02:55:01,089 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:55:01,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1569691547, now seen corresponding path program 1 times [2023-08-29 02:55:01,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:55:01,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928693191] [2023-08-29 02:55:01,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:55:01,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:55:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:55:01,158 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 02:55:01,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:55:01,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928693191] [2023-08-29 02:55:01,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928693191] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:55:01,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:55:01,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 02:55:01,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681816535] [2023-08-29 02:55:01,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:55:01,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:55:01,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:55:01,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:55:01,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:55:01,183 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 226 [2023-08-29 02:55:01,184 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 193 transitions, 1368 flow. Second operand has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:01,184 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:55:01,184 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 226 [2023-08-29 02:55:01,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:55:01,320 INFO L130 PetriNetUnfolder]: 255/865 cut-off events. [2023-08-29 02:55:01,320 INFO L131 PetriNetUnfolder]: For 1001/1032 co-relation queries the response was YES. [2023-08-29 02:55:01,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2669 conditions, 865 events. 255/865 cut-off events. For 1001/1032 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 5224 event pairs, 25 based on Foata normal form. 9/864 useless extension candidates. Maximal degree in co-relation 2646. Up to 228 conditions per place. [2023-08-29 02:55:01,327 INFO L137 encePairwiseOnDemand]: 219/226 looper letters, 53 selfloop transitions, 6 changer transitions 5/171 dead transitions. [2023-08-29 02:55:01,327 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 171 transitions, 1237 flow [2023-08-29 02:55:01,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:55:01,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:55:01,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 409 transitions. [2023-08-29 02:55:01,329 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6032448377581121 [2023-08-29 02:55:01,329 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 409 transitions. [2023-08-29 02:55:01,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 409 transitions. [2023-08-29 02:55:01,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:55:01,330 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 409 transitions. [2023-08-29 02:55:01,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:01,332 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 226.0) internal successors, (904), 4 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:01,332 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 226.0) internal successors, (904), 4 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:01,333 INFO L175 Difference]: Start difference. First operand has 83 places, 193 transitions, 1368 flow. Second operand 3 states and 409 transitions. [2023-08-29 02:55:01,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 171 transitions, 1237 flow [2023-08-29 02:55:01,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 171 transitions, 1163 flow, removed 37 selfloop flow, removed 0 redundant places. [2023-08-29 02:55:01,343 INFO L231 Difference]: Finished difference. Result has 86 places, 150 transitions, 945 flow [2023-08-29 02:55:01,344 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=913, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=945, PETRI_PLACES=86, PETRI_TRANSITIONS=150} [2023-08-29 02:55:01,344 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 29 predicate places. [2023-08-29 02:55:01,345 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 150 transitions, 945 flow [2023-08-29 02:55:01,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:01,345 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:55:01,345 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:55:01,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 02:55:01,346 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-08-29 02:55:01,346 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:55:01,346 INFO L85 PathProgramCache]: Analyzing trace with hash -349093614, now seen corresponding path program 1 times [2023-08-29 02:55:01,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:55:01,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953509839] [2023-08-29 02:55:01,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:55:01,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:55:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:55:01,773 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 02:55:01,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:55:01,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953509839] [2023-08-29 02:55:01,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953509839] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:55:01,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:55:01,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 02:55:01,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402550169] [2023-08-29 02:55:01,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:55:01,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 02:55:01,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:55:01,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 02:55:01,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-08-29 02:55:02,219 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 226 [2023-08-29 02:55:02,220 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 150 transitions, 945 flow. Second operand has 11 states, 11 states have (on average 96.0909090909091) internal successors, (1057), 11 states have internal predecessors, (1057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:02,220 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:55:02,220 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 226 [2023-08-29 02:55:02,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:55:02,547 INFO L130 PetriNetUnfolder]: 489/1252 cut-off events. [2023-08-29 02:55:02,547 INFO L131 PetriNetUnfolder]: For 1355/1357 co-relation queries the response was YES. [2023-08-29 02:55:02,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4260 conditions, 1252 events. 489/1252 cut-off events. For 1355/1357 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 7175 event pairs, 229 based on Foata normal form. 0/1246 useless extension candidates. Maximal degree in co-relation 4235. Up to 891 conditions per place. [2023-08-29 02:55:02,556 INFO L137 encePairwiseOnDemand]: 217/226 looper letters, 141 selfloop transitions, 32 changer transitions 0/184 dead transitions. [2023-08-29 02:55:02,557 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 184 transitions, 1491 flow [2023-08-29 02:55:02,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 02:55:02,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 02:55:02,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 916 transitions. [2023-08-29 02:55:02,560 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4503441494591937 [2023-08-29 02:55:02,561 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 916 transitions. [2023-08-29 02:55:02,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 916 transitions. [2023-08-29 02:55:02,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:55:02,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 916 transitions. [2023-08-29 02:55:02,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 101.77777777777777) internal successors, (916), 9 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:02,566 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 226.0) internal successors, (2260), 10 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:02,567 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 226.0) internal successors, (2260), 10 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:02,567 INFO L175 Difference]: Start difference. First operand has 86 places, 150 transitions, 945 flow. Second operand 9 states and 916 transitions. [2023-08-29 02:55:02,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 184 transitions, 1491 flow [2023-08-29 02:55:02,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 184 transitions, 1483 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 02:55:02,580 INFO L231 Difference]: Finished difference. Result has 92 places, 149 transitions, 999 flow [2023-08-29 02:55:02,580 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=935, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=999, PETRI_PLACES=92, PETRI_TRANSITIONS=149} [2023-08-29 02:55:02,583 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 35 predicate places. [2023-08-29 02:55:02,583 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 149 transitions, 999 flow [2023-08-29 02:55:02,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 96.0909090909091) internal successors, (1057), 11 states have internal predecessors, (1057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:02,583 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:55:02,584 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:55:02,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 02:55:02,584 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-08-29 02:55:02,585 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:55:02,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1876697562, now seen corresponding path program 1 times [2023-08-29 02:55:02,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:55:02,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723282633] [2023-08-29 02:55:02,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:55:02,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:55:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:55:02,957 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 02:55:02,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:55:02,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723282633] [2023-08-29 02:55:02,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723282633] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:55:02,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:55:02,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 02:55:02,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991516330] [2023-08-29 02:55:02,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:55:02,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 02:55:02,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:55:02,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 02:55:02,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-08-29 02:55:03,402 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 226 [2023-08-29 02:55:03,403 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 149 transitions, 999 flow. Second operand has 11 states, 11 states have (on average 112.45454545454545) internal successors, (1237), 11 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:03,403 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:55:03,403 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 226 [2023-08-29 02:55:03,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:55:03,842 INFO L130 PetriNetUnfolder]: 490/1281 cut-off events. [2023-08-29 02:55:03,842 INFO L131 PetriNetUnfolder]: For 1553/1555 co-relation queries the response was YES. [2023-08-29 02:55:03,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4530 conditions, 1281 events. 490/1281 cut-off events. For 1553/1555 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 7571 event pairs, 50 based on Foata normal form. 29/1300 useless extension candidates. Maximal degree in co-relation 4503. Up to 400 conditions per place. [2023-08-29 02:55:03,853 INFO L137 encePairwiseOnDemand]: 217/226 looper letters, 210 selfloop transitions, 30 changer transitions 12/274 dead transitions. [2023-08-29 02:55:03,854 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 274 transitions, 2195 flow [2023-08-29 02:55:03,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 02:55:03,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 02:55:03,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1233 transitions. [2023-08-29 02:55:03,858 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5455752212389381 [2023-08-29 02:55:03,858 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1233 transitions. [2023-08-29 02:55:03,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1233 transitions. [2023-08-29 02:55:03,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:55:03,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1233 transitions. [2023-08-29 02:55:03,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 123.3) internal successors, (1233), 10 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:03,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 226.0) internal successors, (2486), 11 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:03,869 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 226.0) internal successors, (2486), 11 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:03,869 INFO L175 Difference]: Start difference. First operand has 92 places, 149 transitions, 999 flow. Second operand 10 states and 1233 transitions. [2023-08-29 02:55:03,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 274 transitions, 2195 flow [2023-08-29 02:55:03,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 274 transitions, 2059 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-29 02:55:03,883 INFO L231 Difference]: Finished difference. Result has 98 places, 172 transitions, 1213 flow [2023-08-29 02:55:03,883 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=935, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1213, PETRI_PLACES=98, PETRI_TRANSITIONS=172} [2023-08-29 02:55:03,884 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 41 predicate places. [2023-08-29 02:55:03,885 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 172 transitions, 1213 flow [2023-08-29 02:55:03,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 112.45454545454545) internal successors, (1237), 11 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:03,885 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:55:03,886 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:55:03,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 02:55:03,888 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-08-29 02:55:03,889 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:55:03,889 INFO L85 PathProgramCache]: Analyzing trace with hash -293553252, now seen corresponding path program 2 times [2023-08-29 02:55:03,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:55:03,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293462986] [2023-08-29 02:55:03,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:55:03,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:55:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:55:04,330 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 02:55:04,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:55:04,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293462986] [2023-08-29 02:55:04,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293462986] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:55:04,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:55:04,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 02:55:04,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160198631] [2023-08-29 02:55:04,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:55:04,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 02:55:04,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:55:04,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 02:55:04,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-08-29 02:55:04,851 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 226 [2023-08-29 02:55:04,853 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 172 transitions, 1213 flow. Second operand has 11 states, 11 states have (on average 112.45454545454545) internal successors, (1237), 11 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:04,853 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:55:04,853 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 226 [2023-08-29 02:55:04,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:55:05,456 INFO L130 PetriNetUnfolder]: 507/1353 cut-off events. [2023-08-29 02:55:05,456 INFO L131 PetriNetUnfolder]: For 2663/2674 co-relation queries the response was YES. [2023-08-29 02:55:05,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5323 conditions, 1353 events. 507/1353 cut-off events. For 2663/2674 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 8298 event pairs, 63 based on Foata normal form. 17/1355 useless extension candidates. Maximal degree in co-relation 5291. Up to 684 conditions per place. [2023-08-29 02:55:05,466 INFO L137 encePairwiseOnDemand]: 209/226 looper letters, 147 selfloop transitions, 69 changer transitions 15/253 dead transitions. [2023-08-29 02:55:05,467 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 253 transitions, 2016 flow [2023-08-29 02:55:05,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 02:55:05,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 02:55:05,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1136 transitions. [2023-08-29 02:55:05,470 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5585054080629301 [2023-08-29 02:55:05,470 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1136 transitions. [2023-08-29 02:55:05,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1136 transitions. [2023-08-29 02:55:05,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:55:05,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1136 transitions. [2023-08-29 02:55:05,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 126.22222222222223) internal successors, (1136), 9 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:05,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 226.0) internal successors, (2260), 10 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:05,477 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 226.0) internal successors, (2260), 10 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:05,477 INFO L175 Difference]: Start difference. First operand has 98 places, 172 transitions, 1213 flow. Second operand 9 states and 1136 transitions. [2023-08-29 02:55:05,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 253 transitions, 2016 flow [2023-08-29 02:55:05,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 253 transitions, 2006 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 02:55:05,498 INFO L231 Difference]: Finished difference. Result has 106 places, 182 transitions, 1541 flow [2023-08-29 02:55:05,499 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=1207, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1541, PETRI_PLACES=106, PETRI_TRANSITIONS=182} [2023-08-29 02:55:05,501 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 49 predicate places. [2023-08-29 02:55:05,501 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 182 transitions, 1541 flow [2023-08-29 02:55:05,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 112.45454545454545) internal successors, (1237), 11 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:05,502 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:55:05,502 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:55:05,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 02:55:05,502 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-08-29 02:55:05,503 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:55:05,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1478916454, now seen corresponding path program 3 times [2023-08-29 02:55:05,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:55:05,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208557989] [2023-08-29 02:55:05,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:55:05,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:55:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:55:05,856 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 02:55:05,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:55:05,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208557989] [2023-08-29 02:55:05,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208557989] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:55:05,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:55:05,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 02:55:05,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156714941] [2023-08-29 02:55:05,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:55:05,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 02:55:05,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:55:05,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 02:55:05,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-08-29 02:55:06,487 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 226 [2023-08-29 02:55:06,488 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 182 transitions, 1541 flow. Second operand has 11 states, 11 states have (on average 112.45454545454545) internal successors, (1237), 11 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:06,488 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:55:06,488 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 226 [2023-08-29 02:55:06,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:55:07,142 INFO L130 PetriNetUnfolder]: 570/1553 cut-off events. [2023-08-29 02:55:07,142 INFO L131 PetriNetUnfolder]: For 4596/4607 co-relation queries the response was YES. [2023-08-29 02:55:07,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6663 conditions, 1553 events. 570/1553 cut-off events. For 4596/4607 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 9981 event pairs, 58 based on Foata normal form. 21/1557 useless extension candidates. Maximal degree in co-relation 6628. Up to 513 conditions per place. [2023-08-29 02:55:07,157 INFO L137 encePairwiseOnDemand]: 209/226 looper letters, 207 selfloop transitions, 98 changer transitions 16/343 dead transitions. [2023-08-29 02:55:07,157 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 343 transitions, 3226 flow [2023-08-29 02:55:07,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 02:55:07,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 02:55:07,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1270 transitions. [2023-08-29 02:55:07,161 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5619469026548672 [2023-08-29 02:55:07,162 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1270 transitions. [2023-08-29 02:55:07,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1270 transitions. [2023-08-29 02:55:07,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:55:07,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1270 transitions. [2023-08-29 02:55:07,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 127.0) internal successors, (1270), 10 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:07,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 226.0) internal successors, (2486), 11 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:07,169 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 226.0) internal successors, (2486), 11 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:07,169 INFO L175 Difference]: Start difference. First operand has 106 places, 182 transitions, 1541 flow. Second operand 10 states and 1270 transitions. [2023-08-29 02:55:07,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 343 transitions, 3226 flow [2023-08-29 02:55:07,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 343 transitions, 3158 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 02:55:07,201 INFO L231 Difference]: Finished difference. Result has 116 places, 224 transitions, 2341 flow [2023-08-29 02:55:07,202 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=1486, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2341, PETRI_PLACES=116, PETRI_TRANSITIONS=224} [2023-08-29 02:55:07,203 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 59 predicate places. [2023-08-29 02:55:07,203 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 224 transitions, 2341 flow [2023-08-29 02:55:07,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 112.45454545454545) internal successors, (1237), 11 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:07,206 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:55:07,206 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:55:07,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 02:55:07,207 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-08-29 02:55:07,207 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:55:07,207 INFO L85 PathProgramCache]: Analyzing trace with hash 567089318, now seen corresponding path program 4 times [2023-08-29 02:55:07,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:55:07,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352198837] [2023-08-29 02:55:07,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:55:07,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:55:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:55:07,615 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 02:55:07,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:55:07,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352198837] [2023-08-29 02:55:07,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352198837] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:55:07,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:55:07,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 02:55:07,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036760418] [2023-08-29 02:55:07,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:55:07,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 02:55:07,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:55:07,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 02:55:07,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-08-29 02:55:08,155 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 226 [2023-08-29 02:55:08,156 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 224 transitions, 2341 flow. Second operand has 11 states, 11 states have (on average 112.45454545454545) internal successors, (1237), 11 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:08,157 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:55:08,157 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 226 [2023-08-29 02:55:08,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:55:08,904 INFO L130 PetriNetUnfolder]: 610/1703 cut-off events. [2023-08-29 02:55:08,904 INFO L131 PetriNetUnfolder]: For 8237/8250 co-relation queries the response was YES. [2023-08-29 02:55:08,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7921 conditions, 1703 events. 610/1703 cut-off events. For 8237/8250 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 11397 event pairs, 71 based on Foata normal form. 21/1708 useless extension candidates. Maximal degree in co-relation 7879. Up to 805 conditions per place. [2023-08-29 02:55:08,923 INFO L137 encePairwiseOnDemand]: 209/226 looper letters, 189 selfloop transitions, 106 changer transitions 18/335 dead transitions. [2023-08-29 02:55:08,923 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 335 transitions, 3584 flow [2023-08-29 02:55:08,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 02:55:08,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 02:55:08,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1267 transitions. [2023-08-29 02:55:08,927 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5606194690265487 [2023-08-29 02:55:08,927 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1267 transitions. [2023-08-29 02:55:08,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1267 transitions. [2023-08-29 02:55:08,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:55:08,928 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1267 transitions. [2023-08-29 02:55:08,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 126.7) internal successors, (1267), 10 states have internal predecessors, (1267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:08,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 226.0) internal successors, (2486), 11 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:08,935 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 226.0) internal successors, (2486), 11 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:08,935 INFO L175 Difference]: Start difference. First operand has 116 places, 224 transitions, 2341 flow. Second operand 10 states and 1267 transitions. [2023-08-29 02:55:08,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 335 transitions, 3584 flow [2023-08-29 02:55:08,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 335 transitions, 3535 flow, removed 23 selfloop flow, removed 2 redundant places. [2023-08-29 02:55:08,985 INFO L231 Difference]: Finished difference. Result has 128 places, 244 transitions, 2984 flow [2023-08-29 02:55:08,985 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=2292, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2984, PETRI_PLACES=128, PETRI_TRANSITIONS=244} [2023-08-29 02:55:08,986 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 71 predicate places. [2023-08-29 02:55:08,986 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 244 transitions, 2984 flow [2023-08-29 02:55:08,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 112.45454545454545) internal successors, (1237), 11 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:08,987 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:55:08,987 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:55:08,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 02:55:08,987 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-08-29 02:55:08,988 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:55:08,988 INFO L85 PathProgramCache]: Analyzing trace with hash -452149796, now seen corresponding path program 5 times [2023-08-29 02:55:08,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:55:08,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908514509] [2023-08-29 02:55:08,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:55:08,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:55:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:55:09,334 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 02:55:09,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:55:09,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908514509] [2023-08-29 02:55:09,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908514509] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:55:09,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:55:09,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 02:55:09,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315158967] [2023-08-29 02:55:09,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:55:09,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 02:55:09,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:55:09,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 02:55:09,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 02:55:09,859 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 226 [2023-08-29 02:55:09,860 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 244 transitions, 2984 flow. Second operand has 11 states, 11 states have (on average 112.45454545454545) internal successors, (1237), 11 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:09,860 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:55:09,860 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 226 [2023-08-29 02:55:09,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:55:10,676 INFO L130 PetriNetUnfolder]: 589/1708 cut-off events. [2023-08-29 02:55:10,676 INFO L131 PetriNetUnfolder]: For 10732/10745 co-relation queries the response was YES. [2023-08-29 02:55:10,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8523 conditions, 1708 events. 589/1708 cut-off events. For 10732/10745 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 11759 event pairs, 52 based on Foata normal form. 21/1714 useless extension candidates. Maximal degree in co-relation 8475. Up to 674 conditions per place. [2023-08-29 02:55:10,694 INFO L137 encePairwiseOnDemand]: 209/226 looper letters, 212 selfloop transitions, 113 changer transitions 19/366 dead transitions. [2023-08-29 02:55:10,695 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 366 transitions, 4440 flow [2023-08-29 02:55:10,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 02:55:10,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 02:55:10,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1268 transitions. [2023-08-29 02:55:10,699 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5610619469026549 [2023-08-29 02:55:10,699 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1268 transitions. [2023-08-29 02:55:10,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1268 transitions. [2023-08-29 02:55:10,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:55:10,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1268 transitions. [2023-08-29 02:55:10,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 126.8) internal successors, (1268), 10 states have internal predecessors, (1268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:10,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 226.0) internal successors, (2486), 11 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:10,706 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 226.0) internal successors, (2486), 11 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:10,706 INFO L175 Difference]: Start difference. First operand has 128 places, 244 transitions, 2984 flow. Second operand 10 states and 1268 transitions. [2023-08-29 02:55:10,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 366 transitions, 4440 flow [2023-08-29 02:55:10,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 366 transitions, 4322 flow, removed 18 selfloop flow, removed 8 redundant places. [2023-08-29 02:55:10,763 INFO L231 Difference]: Finished difference. Result has 132 places, 260 transitions, 3548 flow [2023-08-29 02:55:10,764 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=2860, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3548, PETRI_PLACES=132, PETRI_TRANSITIONS=260} [2023-08-29 02:55:10,764 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 75 predicate places. [2023-08-29 02:55:10,764 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 260 transitions, 3548 flow [2023-08-29 02:55:10,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 112.45454545454545) internal successors, (1237), 11 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:10,765 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:55:10,765 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:55:10,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 02:55:10,765 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-08-29 02:55:10,766 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:55:10,766 INFO L85 PathProgramCache]: Analyzing trace with hash 116628082, now seen corresponding path program 1 times [2023-08-29 02:55:10,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:55:10,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831308852] [2023-08-29 02:55:10,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:55:10,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:55:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:55:10,972 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 02:55:10,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:55:10,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831308852] [2023-08-29 02:55:10,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831308852] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:55:10,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:55:10,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:55:10,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94702356] [2023-08-29 02:55:10,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:55:10,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:55:10,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:55:10,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:55:10,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:55:11,094 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 226 [2023-08-29 02:55:11,095 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 260 transitions, 3548 flow. Second operand has 6 states, 6 states have (on average 103.5) internal successors, (621), 6 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:11,095 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:55:11,095 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 226 [2023-08-29 02:55:11,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:55:11,522 INFO L130 PetriNetUnfolder]: 736/2000 cut-off events. [2023-08-29 02:55:11,522 INFO L131 PetriNetUnfolder]: For 13697/13720 co-relation queries the response was YES. [2023-08-29 02:55:11,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10522 conditions, 2000 events. 736/2000 cut-off events. For 13697/13720 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 13574 event pairs, 225 based on Foata normal form. 7/1966 useless extension candidates. Maximal degree in co-relation 10473. Up to 1566 conditions per place. [2023-08-29 02:55:11,539 INFO L137 encePairwiseOnDemand]: 211/226 looper letters, 177 selfloop transitions, 75 changer transitions 95/359 dead transitions. [2023-08-29 02:55:11,539 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 359 transitions, 5183 flow [2023-08-29 02:55:11,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:55:11,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:55:11,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 690 transitions. [2023-08-29 02:55:11,542 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5088495575221239 [2023-08-29 02:55:11,542 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 690 transitions. [2023-08-29 02:55:11,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 690 transitions. [2023-08-29 02:55:11,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:55:11,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 690 transitions. [2023-08-29 02:55:11,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 115.0) internal successors, (690), 6 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:11,545 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 226.0) internal successors, (1582), 7 states have internal predecessors, (1582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:11,546 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 226.0) internal successors, (1582), 7 states have internal predecessors, (1582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:11,546 INFO L175 Difference]: Start difference. First operand has 132 places, 260 transitions, 3548 flow. Second operand 6 states and 690 transitions. [2023-08-29 02:55:11,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 359 transitions, 5183 flow [2023-08-29 02:55:11,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 359 transitions, 4960 flow, removed 54 selfloop flow, removed 5 redundant places. [2023-08-29 02:55:11,618 INFO L231 Difference]: Finished difference. Result has 137 places, 248 transitions, 3081 flow [2023-08-29 02:55:11,618 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=3404, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3081, PETRI_PLACES=137, PETRI_TRANSITIONS=248} [2023-08-29 02:55:11,619 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 80 predicate places. [2023-08-29 02:55:11,619 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 248 transitions, 3081 flow [2023-08-29 02:55:11,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 103.5) internal successors, (621), 6 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:11,619 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:55:11,619 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:55:11,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 02:55:11,619 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-08-29 02:55:11,620 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:55:11,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1129733204, now seen corresponding path program 1 times [2023-08-29 02:55:11,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:55:11,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345662556] [2023-08-29 02:55:11,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:55:11,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:55:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:55:11,687 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 02:55:11,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:55:11,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345662556] [2023-08-29 02:55:11,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345662556] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:55:11,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:55:11,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 02:55:11,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876095627] [2023-08-29 02:55:11,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:55:11,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:55:11,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:55:11,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:55:11,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:55:11,704 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 226 [2023-08-29 02:55:11,705 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 248 transitions, 3081 flow. Second operand has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:11,705 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:55:11,705 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 226 [2023-08-29 02:55:11,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:55:11,914 INFO L130 PetriNetUnfolder]: 289/1154 cut-off events. [2023-08-29 02:55:11,915 INFO L131 PetriNetUnfolder]: For 9561/9623 co-relation queries the response was YES. [2023-08-29 02:55:11,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6231 conditions, 1154 events. 289/1154 cut-off events. For 9561/9623 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 8052 event pairs, 7 based on Foata normal form. 23/1174 useless extension candidates. Maximal degree in co-relation 6180. Up to 258 conditions per place. [2023-08-29 02:55:11,928 INFO L137 encePairwiseOnDemand]: 218/226 looper letters, 56 selfloop transitions, 8 changer transitions 7/219 dead transitions. [2023-08-29 02:55:11,929 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 219 transitions, 2868 flow [2023-08-29 02:55:11,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:55:11,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:55:11,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 402 transitions. [2023-08-29 02:55:11,931 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5929203539823009 [2023-08-29 02:55:11,931 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 402 transitions. [2023-08-29 02:55:11,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 402 transitions. [2023-08-29 02:55:11,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:55:11,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 402 transitions. [2023-08-29 02:55:11,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:11,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 226.0) internal successors, (904), 4 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:11,935 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 226.0) internal successors, (904), 4 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:11,935 INFO L175 Difference]: Start difference. First operand has 137 places, 248 transitions, 3081 flow. Second operand 3 states and 402 transitions. [2023-08-29 02:55:11,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 219 transitions, 2868 flow [2023-08-29 02:55:11,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 219 transitions, 2401 flow, removed 109 selfloop flow, removed 14 redundant places. [2023-08-29 02:55:11,993 INFO L231 Difference]: Finished difference. Result has 123 places, 193 transitions, 2026 flow [2023-08-29 02:55:11,993 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=1998, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2026, PETRI_PLACES=123, PETRI_TRANSITIONS=193} [2023-08-29 02:55:11,994 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 66 predicate places. [2023-08-29 02:55:11,994 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 193 transitions, 2026 flow [2023-08-29 02:55:11,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:11,995 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:55:11,995 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:55:11,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 02:55:11,995 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-08-29 02:55:11,996 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:55:11,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1225088014, now seen corresponding path program 1 times [2023-08-29 02:55:11,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:55:11,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691839858] [2023-08-29 02:55:11,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:55:11,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:55:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:55:12,367 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 02:55:12,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:55:12,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691839858] [2023-08-29 02:55:12,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691839858] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:55:12,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:55:12,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 02:55:12,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133324350] [2023-08-29 02:55:12,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:55:12,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 02:55:12,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:55:12,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 02:55:12,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-08-29 02:55:12,767 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 226 [2023-08-29 02:55:12,768 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 193 transitions, 2026 flow. Second operand has 10 states, 10 states have (on average 97.6) internal successors, (976), 10 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:12,768 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:55:12,769 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 226 [2023-08-29 02:55:12,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:55:13,133 INFO L130 PetriNetUnfolder]: 559/1566 cut-off events. [2023-08-29 02:55:13,134 INFO L131 PetriNetUnfolder]: For 12816/12821 co-relation queries the response was YES. [2023-08-29 02:55:13,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8411 conditions, 1566 events. 559/1566 cut-off events. For 12816/12821 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 10068 event pairs, 226 based on Foata normal form. 30/1592 useless extension candidates. Maximal degree in co-relation 8367. Up to 1055 conditions per place. [2023-08-29 02:55:13,143 INFO L137 encePairwiseOnDemand]: 218/226 looper letters, 0 selfloop transitions, 0 changer transitions 239/239 dead transitions. [2023-08-29 02:55:13,143 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 239 transitions, 2903 flow [2023-08-29 02:55:13,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 02:55:13,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 02:55:13,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 917 transitions. [2023-08-29 02:55:13,146 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45083579154375614 [2023-08-29 02:55:13,146 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 917 transitions. [2023-08-29 02:55:13,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 917 transitions. [2023-08-29 02:55:13,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:55:13,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 917 transitions. [2023-08-29 02:55:13,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 101.88888888888889) internal successors, (917), 9 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:13,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 226.0) internal successors, (2260), 10 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:13,151 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 226.0) internal successors, (2260), 10 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:13,151 INFO L175 Difference]: Start difference. First operand has 123 places, 193 transitions, 2026 flow. Second operand 9 states and 917 transitions. [2023-08-29 02:55:13,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 239 transitions, 2903 flow [2023-08-29 02:55:13,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 239 transitions, 2780 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 02:55:13,231 INFO L231 Difference]: Finished difference. Result has 123 places, 0 transitions, 0 flow [2023-08-29 02:55:13,231 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=1910, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=123, PETRI_TRANSITIONS=0} [2023-08-29 02:55:13,231 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 66 predicate places. [2023-08-29 02:55:13,232 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 0 transitions, 0 flow [2023-08-29 02:55:13,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 97.6) internal successors, (976), 10 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:13,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2023-08-29 02:55:13,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2023-08-29 02:55:13,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 11 remaining) [2023-08-29 02:55:13,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2023-08-29 02:55:13,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2023-08-29 02:55:13,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2023-08-29 02:55:13,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2023-08-29 02:55:13,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2023-08-29 02:55:13,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2023-08-29 02:55:13,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2023-08-29 02:55:13,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2023-08-29 02:55:13,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 02:55:13,236 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:55:13,241 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 02:55:13,241 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 02:55:13,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 02:55:13 BasicIcfg [2023-08-29 02:55:13,244 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 02:55:13,244 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 02:55:13,244 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 02:55:13,244 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 02:55:13,245 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:54:54" (3/4) ... [2023-08-29 02:55:13,246 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 02:55:13,252 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-29 02:55:13,256 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-08-29 02:55:13,256 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-08-29 02:55:13,257 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 02:55:13,257 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 02:55:13,292 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 02:55:13,292 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 02:55:13,293 INFO L158 Benchmark]: Toolchain (without parser) took 20315.16ms. Allocated memory was 71.3MB in the beginning and 329.3MB in the end (delta: 257.9MB). Free memory was 41.8MB in the beginning and 107.5MB in the end (delta: -65.7MB). Peak memory consumption was 191.5MB. Max. memory is 16.1GB. [2023-08-29 02:55:13,293 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory is still 34.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 02:55:13,293 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.02ms. Allocated memory is still 71.3MB. Free memory was 41.6MB in the beginning and 39.2MB in the end (delta: 2.4MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-08-29 02:55:13,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.59ms. Allocated memory is still 71.3MB. Free memory was 39.2MB in the beginning and 36.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:55:13,297 INFO L158 Benchmark]: Boogie Preprocessor took 40.17ms. Allocated memory is still 71.3MB. Free memory was 36.8MB in the beginning and 34.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:55:13,297 INFO L158 Benchmark]: RCFGBuilder took 615.66ms. Allocated memory is still 71.3MB. Free memory was 34.8MB in the beginning and 37.5MB in the end (delta: -2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-29 02:55:13,297 INFO L158 Benchmark]: TraceAbstraction took 19061.79ms. Allocated memory was 71.3MB in the beginning and 329.3MB in the end (delta: 257.9MB). Free memory was 36.5MB in the beginning and 110.6MB in the end (delta: -74.1MB). Peak memory consumption was 184.0MB. Max. memory is 16.1GB. [2023-08-29 02:55:13,298 INFO L158 Benchmark]: Witness Printer took 48.36ms. Allocated memory is still 329.3MB. Free memory was 109.6MB in the beginning and 107.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:55:13,299 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory is still 34.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.02ms. Allocated memory is still 71.3MB. Free memory was 41.6MB in the beginning and 39.2MB in the end (delta: 2.4MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.59ms. Allocated memory is still 71.3MB. Free memory was 39.2MB in the beginning and 36.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.17ms. Allocated memory is still 71.3MB. Free memory was 36.8MB in the beginning and 34.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 615.66ms. Allocated memory is still 71.3MB. Free memory was 34.8MB in the beginning and 37.5MB in the end (delta: -2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 19061.79ms. Allocated memory was 71.3MB in the beginning and 329.3MB in the end (delta: 257.9MB). Free memory was 36.5MB in the beginning and 110.6MB in the end (delta: -74.1MB). Peak memory consumption was 184.0MB. Max. memory is 16.1GB. * Witness Printer took 48.36ms. Allocated memory is still 329.3MB. Free memory was 109.6MB in the beginning and 107.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.3s, 128 PlacesBefore, 57 PlacesAfterwards, 133 TransitionsBefore, 61 TransitionsAfterwards, 4026 CoEnabledTransitionPairs, 6 FixpointIterations, 37 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 83 TotalNumberOfCompositions, 20613 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3927, independent: 3307, independent conditional: 0, independent unconditional: 3307, dependent: 620, dependent conditional: 0, dependent unconditional: 620, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1816, independent: 1710, independent conditional: 0, independent unconditional: 1710, dependent: 106, dependent conditional: 0, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3927, independent: 1597, independent conditional: 0, independent unconditional: 1597, dependent: 514, dependent conditional: 0, dependent unconditional: 514, unknown: 1816, unknown conditional: 0, unknown unconditional: 1816] , Statistics on independence cache: Total cache size (in pairs): 258, Positive cache size: 203, Positive conditional cache size: 0, Positive unconditional cache size: 203, Negative cache size: 55, Negative conditional cache size: 0, Negative unconditional cache size: 55, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: 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 3 procedures, 192 locations, 11 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 18.9s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 10.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3590 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2701 mSDsluCounter, 1503 SdHoareTripleChecker+Invalid, 5.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1097 mSDsCounter, 956 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10950 IncrementalHoareTripleChecker+Invalid, 11906 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 956 mSolverCounterUnsat, 406 mSDtfsCounter, 10950 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3548occurred in iteration=11, InterpolantAutomatonStates: 103, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 345 NumberOfCodeBlocks, 345 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 331 ConstructedInterpolants, 0 QuantifiedInterpolants, 3305 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 02:55:13,329 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