./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.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_45-escape_racing.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 4864acf28eb3fe42b4a237468061905eb474c41e1edb519c0790cee08cdc91bf --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 02:54:46,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 02:54:46,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 02:54:46,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 02:54:46,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 02:54:46,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 02:54:46,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 02:54:46,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 02:54:46,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 02:54:46,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 02:54:46,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 02:54:46,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 02:54:46,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 02:54:46,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 02:54:46,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 02:54:46,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 02:54:46,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 02:54:46,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 02:54:46,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 02:54:46,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 02:54:46,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 02:54:46,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 02:54:46,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 02:54:46,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 02:54:46,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 02:54:46,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 02:54:46,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 02:54:46,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 02:54:46,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 02:54:46,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 02:54:46,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 02:54:46,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 02:54:46,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 02:54:46,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 02:54:46,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 02:54:46,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 02:54:46,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 02:54:46,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 02:54:46,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 02:54:46,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 02:54:46,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 02:54:46,908 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 02:54:46,942 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 02:54:46,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 02:54:46,944 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 02:54:46,944 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 02:54:46,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 02:54:46,945 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 02:54:46,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 02:54:46,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 02:54:46,946 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 02:54:46,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 02:54:46,947 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 02:54:46,948 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 02:54:46,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 02:54:46,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 02:54:46,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 02:54:46,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 02:54:46,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 02:54:46,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 02:54:46,949 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 02:54:46,949 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 02:54:46,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 02:54:46,949 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 02:54:46,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 02:54:46,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 02:54:46,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 02:54:46,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 02:54:46,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:54:46,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 02:54:46,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 02:54:46,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 02:54:46,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 02:54:46,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 02:54:46,952 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 02:54:46,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 02:54:46,952 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 02:54:46,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 02:54:46,953 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 02:54:46,953 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4864acf28eb3fe42b4a237468061905eb474c41e1edb519c0790cee08cdc91bf Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 02:54:47,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 02:54:47,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 02:54:47,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 02:54:47,301 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 02:54:47,301 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 02:54:47,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2023-08-29 02:54:48,484 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 02:54:48,718 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 02:54:48,719 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2023-08-29 02:54:48,744 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e61154409/2618c64219f14402a3a59a8386e8d158/FLAGe094c341e [2023-08-29 02:54:48,754 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e61154409/2618c64219f14402a3a59a8386e8d158 [2023-08-29 02:54:48,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 02:54:48,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 02:54:48,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 02:54:48,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 02:54:48,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 02:54:48,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:54:48" (1/1) ... [2023-08-29 02:54:48,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b66fac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:48, skipping insertion in model container [2023-08-29 02:54:48,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:54:48" (1/1) ... [2023-08-29 02:54:48,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 02:54:48,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 02:54:49,144 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_45-escape_racing.i[30176,30189] [2023-08-29 02:54:49,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:54:49,194 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 02:54:49,231 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_45-escape_racing.i[30176,30189] [2023-08-29 02:54:49,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:54:49,303 INFO L208 MainTranslator]: Completed translation [2023-08-29 02:54:49,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:49 WrapperNode [2023-08-29 02:54:49,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 02:54:49,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 02:54:49,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 02:54:49,306 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 02:54:49,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:49" (1/1) ... [2023-08-29 02:54:49,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:49" (1/1) ... [2023-08-29 02:54:49,371 INFO L138 Inliner]: procedures = 170, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2023-08-29 02:54:49,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 02:54:49,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 02:54:49,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 02:54:49,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 02:54:49,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:49" (1/1) ... [2023-08-29 02:54:49,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:49" (1/1) ... [2023-08-29 02:54:49,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:49" (1/1) ... [2023-08-29 02:54:49,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:49" (1/1) ... [2023-08-29 02:54:49,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:49" (1/1) ... [2023-08-29 02:54:49,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:49" (1/1) ... [2023-08-29 02:54:49,424 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:49" (1/1) ... [2023-08-29 02:54:49,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:49" (1/1) ... [2023-08-29 02:54:49,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 02:54:49,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 02:54:49,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 02:54:49,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 02:54:49,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:49" (1/1) ... [2023-08-29 02:54:49,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:54:49,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:54:49,473 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 02:54:49,496 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 02:54:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 02:54:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 02:54:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 02:54:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 02:54:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 02:54:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 02:54:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 02:54:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 02:54:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 02:54:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 02:54:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 02:54:49,518 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 02:54:49,656 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 02:54:49,658 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 02:54:49,954 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 02:54:49,960 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 02:54:49,960 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-08-29 02:54:49,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:54:49 BoogieIcfgContainer [2023-08-29 02:54:49,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 02:54:49,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 02:54:49,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 02:54:49,967 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 02:54:49,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 02:54:48" (1/3) ... [2023-08-29 02:54:49,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@164ba325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:54:49, skipping insertion in model container [2023-08-29 02:54:49,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:54:49" (2/3) ... [2023-08-29 02:54:49,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@164ba325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:54:49, skipping insertion in model container [2023-08-29 02:54:49,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:54:49" (3/3) ... [2023-08-29 02:54:49,969 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2023-08-29 02:54:49,983 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 02:54:49,992 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 02:54:49,993 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-29 02:54:49,993 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 02:54:50,078 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 02:54:50,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 136 places, 141 transitions, 290 flow [2023-08-29 02:54:50,158 INFO L130 PetriNetUnfolder]: 9/140 cut-off events. [2023-08-29 02:54:50,158 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 02:54:50,165 INFO L83 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 140 events. 9/140 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 282 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 94. Up to 3 conditions per place. [2023-08-29 02:54:50,167 INFO L82 GeneralOperation]: Start removeDead. Operand has 136 places, 141 transitions, 290 flow [2023-08-29 02:54:50,172 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 131 transitions, 265 flow [2023-08-29 02:54:50,176 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 02:54:50,184 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 131 transitions, 265 flow [2023-08-29 02:54:50,186 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 131 transitions, 265 flow [2023-08-29 02:54:50,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 126 places, 131 transitions, 265 flow [2023-08-29 02:54:50,240 INFO L130 PetriNetUnfolder]: 9/131 cut-off events. [2023-08-29 02:54:50,241 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:54:50,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 131 events. 9/131 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. 0/116 useless extension candidates. Maximal degree in co-relation 94. Up to 3 conditions per place. [2023-08-29 02:54:50,245 INFO L119 LiptonReduction]: Number of co-enabled transitions 4026 [2023-08-29 02:54:54,131 INFO L134 LiptonReduction]: Checked pairs total: 20613 [2023-08-29 02:54:54,132 INFO L136 LiptonReduction]: Total number of compositions: 81 [2023-08-29 02:54:54,144 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 02:54:54,149 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;@58026303, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 02:54:54,149 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2023-08-29 02:54:54,156 INFO L130 PetriNetUnfolder]: 2/32 cut-off events. [2023-08-29 02:54:54,156 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:54:54,157 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:54:54,157 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:54:54,158 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 02:54:54,166 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:54:54,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1701940779, now seen corresponding path program 1 times [2023-08-29 02:54:54,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:54:54,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244630806] [2023-08-29 02:54:54,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:54:54,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:54:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:54:54,799 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 02:54:54,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:54:54,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244630806] [2023-08-29 02:54:54,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244630806] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:54:54,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:54:54,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:54:54,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416412981] [2023-08-29 02:54:54,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:54:54,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:54:54,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:54:54,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:54:54,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:54:55,119 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 222 [2023-08-29 02:54:55,122 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 61 transitions, 125 flow. Second operand has 6 states, 6 states have (on average 107.5) internal successors, (645), 6 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:55,123 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:54:55,123 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 222 [2023-08-29 02:54:55,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:54:55,265 INFO L130 PetriNetUnfolder]: 108/315 cut-off events. [2023-08-29 02:54:55,266 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:54:55,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 569 conditions, 315 events. 108/315 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1338 event pairs, 64 based on Foata normal form. 5/315 useless extension candidates. Maximal degree in co-relation 560. Up to 151 conditions per place. [2023-08-29 02:54:55,269 INFO L137 encePairwiseOnDemand]: 202/222 looper letters, 39 selfloop transitions, 10 changer transitions 0/67 dead transitions. [2023-08-29 02:54:55,269 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 67 transitions, 235 flow [2023-08-29 02:54:55,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:54:55,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:54:55,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 703 transitions. [2023-08-29 02:54:55,285 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5277777777777778 [2023-08-29 02:54:55,286 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 703 transitions. [2023-08-29 02:54:55,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 703 transitions. [2023-08-29 02:54:55,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:54:55,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 703 transitions. [2023-08-29 02:54:55,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 117.16666666666667) internal successors, (703), 6 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:55,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 222.0) internal successors, (1554), 7 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:55,303 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 222.0) internal successors, (1554), 7 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:55,305 INFO L175 Difference]: Start difference. First operand has 57 places, 61 transitions, 125 flow. Second operand 6 states and 703 transitions. [2023-08-29 02:54:55,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 67 transitions, 235 flow [2023-08-29 02:54:55,308 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 02:54:55,310 INFO L231 Difference]: Finished difference. Result has 59 places, 51 transitions, 124 flow [2023-08-29 02:54:55,312 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, 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 02:54:55,315 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 2 predicate places. [2023-08-29 02:54:55,316 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 51 transitions, 124 flow [2023-08-29 02:54:55,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 107.5) internal successors, (645), 6 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:55,317 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:54:55,317 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:54:55,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 02:54:55,317 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 02:54:55,318 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:54:55,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1489243381, now seen corresponding path program 1 times [2023-08-29 02:54:55,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:54:55,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920158020] [2023-08-29 02:54:55,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:54:55,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:54:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:54:55,572 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 02:54:55,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:54:55,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920158020] [2023-08-29 02:54:55,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920158020] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:54:55,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:54:55,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:54:55,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271724101] [2023-08-29 02:54:55,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:54:55,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:54:55,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:54:55,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:54:55,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:54:55,799 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 222 [2023-08-29 02:54:55,800 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 51 transitions, 124 flow. Second operand has 6 states, 6 states have (on average 113.5) internal successors, (681), 6 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:55,800 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:54:55,800 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 222 [2023-08-29 02:54:55,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:54:56,087 INFO L130 PetriNetUnfolder]: 249/789 cut-off events. [2023-08-29 02:54:56,087 INFO L131 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2023-08-29 02:54:56,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1431 conditions, 789 events. 249/789 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4186 event pairs, 48 based on Foata normal form. 0/750 useless extension candidates. Maximal degree in co-relation 1422. Up to 338 conditions per place. [2023-08-29 02:54:56,093 INFO L137 encePairwiseOnDemand]: 208/222 looper letters, 79 selfloop transitions, 37 changer transitions 0/136 dead transitions. [2023-08-29 02:54:56,093 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 136 transitions, 558 flow [2023-08-29 02:54:56,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:54:56,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:54:56,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 789 transitions. [2023-08-29 02:54:56,096 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5923423423423423 [2023-08-29 02:54:56,097 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 789 transitions. [2023-08-29 02:54:56,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 789 transitions. [2023-08-29 02:54:56,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:54:56,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 789 transitions. [2023-08-29 02:54:56,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 131.5) internal successors, (789), 6 states have internal predecessors, (789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:56,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 222.0) internal successors, (1554), 7 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:56,104 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 222.0) internal successors, (1554), 7 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:56,104 INFO L175 Difference]: Start difference. First operand has 59 places, 51 transitions, 124 flow. Second operand 6 states and 789 transitions. [2023-08-29 02:54:56,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 136 transitions, 558 flow [2023-08-29 02:54:56,106 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 02:54:56,109 INFO L231 Difference]: Finished difference. Result has 64 places, 87 transitions, 350 flow [2023-08-29 02:54:56,109 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, 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 02:54:56,110 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 7 predicate places. [2023-08-29 02:54:56,110 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 87 transitions, 350 flow [2023-08-29 02:54:56,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 113.5) internal successors, (681), 6 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:56,111 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:54:56,111 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:54:56,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 02:54:56,112 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 02:54:56,112 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:54:56,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1134763747, now seen corresponding path program 1 times [2023-08-29 02:54:56,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:54:56,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771246871] [2023-08-29 02:54:56,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:54:56,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:54:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:54:56,341 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 02:54:56,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:54:56,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771246871] [2023-08-29 02:54:56,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771246871] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:54:56,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:54:56,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:54:56,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746799336] [2023-08-29 02:54:56,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:54:56,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:54:56,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:54:56,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:54:56,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:54:56,452 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 222 [2023-08-29 02:54:56,453 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 87 transitions, 350 flow. Second operand has 6 states, 6 states have (on average 99.33333333333333) internal successors, (596), 6 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:56,453 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:54:56,453 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 222 [2023-08-29 02:54:56,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:54:56,731 INFO L130 PetriNetUnfolder]: 553/1302 cut-off events. [2023-08-29 02:54:56,732 INFO L131 PetriNetUnfolder]: For 497/514 co-relation queries the response was YES. [2023-08-29 02:54:56,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3179 conditions, 1302 events. 553/1302 cut-off events. For 497/514 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 6823 event pairs, 318 based on Foata normal form. 0/1249 useless extension candidates. Maximal degree in co-relation 3166. Up to 1106 conditions per place. [2023-08-29 02:54:56,739 INFO L137 encePairwiseOnDemand]: 208/222 looper letters, 89 selfloop transitions, 44 changer transitions 0/142 dead transitions. [2023-08-29 02:54:56,739 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 142 transitions, 800 flow [2023-08-29 02:54:56,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:54:56,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:54:56,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 677 transitions. [2023-08-29 02:54:56,742 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5082582582582582 [2023-08-29 02:54:56,743 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 677 transitions. [2023-08-29 02:54:56,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 677 transitions. [2023-08-29 02:54:56,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:54:56,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 677 transitions. [2023-08-29 02:54:56,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 112.83333333333333) internal successors, (677), 6 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:56,748 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 222.0) internal successors, (1554), 7 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:56,749 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 222.0) internal successors, (1554), 7 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:56,749 INFO L175 Difference]: Start difference. First operand has 64 places, 87 transitions, 350 flow. Second operand 6 states and 677 transitions. [2023-08-29 02:54:56,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 142 transitions, 800 flow [2023-08-29 02:54:56,753 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 02:54:56,755 INFO L231 Difference]: Finished difference. Result has 73 places, 126 transitions, 656 flow [2023-08-29 02:54:56,756 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, 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 02:54:56,756 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 16 predicate places. [2023-08-29 02:54:56,757 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 126 transitions, 656 flow [2023-08-29 02:54:56,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 99.33333333333333) internal successors, (596), 6 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:56,757 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:54:56,758 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 02:54:56,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 02:54:56,758 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 02:54:56,758 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:54:56,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1013952666, now seen corresponding path program 1 times [2023-08-29 02:54:56,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:54:56,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262103531] [2023-08-29 02:54:56,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:54:56,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:54:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:54:57,007 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 02:54:57,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:54:57,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262103531] [2023-08-29 02:54:57,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262103531] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:54:57,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:54:57,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:54:57,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542664500] [2023-08-29 02:54:57,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:54:57,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:54:57,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:54:57,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:54:57,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:54:57,190 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 222 [2023-08-29 02:54:57,191 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 126 transitions, 656 flow. Second operand has 6 states, 6 states have (on average 113.83333333333333) internal successors, (683), 6 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:57,191 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:54:57,191 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 222 [2023-08-29 02:54:57,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:54:57,483 INFO L130 PetriNetUnfolder]: 463/1208 cut-off events. [2023-08-29 02:54:57,483 INFO L131 PetriNetUnfolder]: For 776/803 co-relation queries the response was YES. [2023-08-29 02:54:57,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3321 conditions, 1208 events. 463/1208 cut-off events. For 776/803 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 6829 event pairs, 92 based on Foata normal form. 2/1172 useless extension candidates. Maximal degree in co-relation 3303. Up to 651 conditions per place. [2023-08-29 02:54:57,494 INFO L137 encePairwiseOnDemand]: 208/222 looper letters, 120 selfloop transitions, 72 changer transitions 12/242 dead transitions. [2023-08-29 02:54:57,494 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 242 transitions, 1575 flow [2023-08-29 02:54:57,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:54:57,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:54:57,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 789 transitions. [2023-08-29 02:54:57,498 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5923423423423423 [2023-08-29 02:54:57,498 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 789 transitions. [2023-08-29 02:54:57,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 789 transitions. [2023-08-29 02:54:57,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:54:57,502 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 789 transitions. [2023-08-29 02:54:57,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 131.5) internal successors, (789), 6 states have internal predecessors, (789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:57,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 222.0) internal successors, (1554), 7 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:57,509 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 222.0) internal successors, (1554), 7 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:57,509 INFO L175 Difference]: Start difference. First operand has 73 places, 126 transitions, 656 flow. Second operand 6 states and 789 transitions. [2023-08-29 02:54:57,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 242 transitions, 1575 flow [2023-08-29 02:54:57,516 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 02:54:57,521 INFO L231 Difference]: Finished difference. Result has 83 places, 193 transitions, 1368 flow [2023-08-29 02:54:57,521 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, 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 02:54:57,523 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 26 predicate places. [2023-08-29 02:54:57,523 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 193 transitions, 1368 flow [2023-08-29 02:54:57,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 113.83333333333333) internal successors, (683), 6 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:57,524 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:54:57,524 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 02:54:57,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 02:54:57,524 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 02:54:57,525 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:54:57,525 INFO L85 PathProgramCache]: Analyzing trace with hash -606428831, now seen corresponding path program 1 times [2023-08-29 02:54:57,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:54:57,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605680341] [2023-08-29 02:54:57,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:54:57,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:54:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:54:57,664 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 02:54:57,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:54:57,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605680341] [2023-08-29 02:54:57,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605680341] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:54:57,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:54:57,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 02:54:57,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161019170] [2023-08-29 02:54:57,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:54:57,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 02:54:57,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:54:57,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 02:54:57,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-08-29 02:54:57,709 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 222 [2023-08-29 02:54:57,710 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 193 transitions, 1368 flow. Second operand has 5 states, 5 states have (on average 120.8) internal successors, (604), 5 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:57,710 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:54:57,710 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 222 [2023-08-29 02:54:57,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:54:57,813 INFO L130 PetriNetUnfolder]: 125/521 cut-off events. [2023-08-29 02:54:57,813 INFO L131 PetriNetUnfolder]: For 618/653 co-relation queries the response was YES. [2023-08-29 02:54:57,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1522 conditions, 521 events. 125/521 cut-off events. For 618/653 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2705 event pairs, 14 based on Foata normal form. 14/531 useless extension candidates. Maximal degree in co-relation 1499. Up to 135 conditions per place. [2023-08-29 02:54:57,817 INFO L137 encePairwiseOnDemand]: 214/222 looper letters, 32 selfloop transitions, 7 changer transitions 3/121 dead transitions. [2023-08-29 02:54:57,817 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 121 transitions, 841 flow [2023-08-29 02:54:57,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 02:54:57,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 02:54:57,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 506 transitions. [2023-08-29 02:54:57,819 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5698198198198198 [2023-08-29 02:54:57,819 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 506 transitions. [2023-08-29 02:54:57,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 506 transitions. [2023-08-29 02:54:57,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:54:57,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 506 transitions. [2023-08-29 02:54:57,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 126.5) internal successors, (506), 4 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:57,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 222.0) internal successors, (1110), 5 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:57,823 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 222.0) internal successors, (1110), 5 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:57,823 INFO L175 Difference]: Start difference. First operand has 83 places, 193 transitions, 1368 flow. Second operand 4 states and 506 transitions. [2023-08-29 02:54:57,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 121 transitions, 841 flow [2023-08-29 02:54:57,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 121 transitions, 716 flow, removed 51 selfloop flow, removed 7 redundant places. [2023-08-29 02:54:57,829 INFO L231 Difference]: Finished difference. Result has 79 places, 115 transitions, 642 flow [2023-08-29 02:54:57,829 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=642, PETRI_PLACES=79, PETRI_TRANSITIONS=115} [2023-08-29 02:54:57,830 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 22 predicate places. [2023-08-29 02:54:57,830 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 115 transitions, 642 flow [2023-08-29 02:54:57,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 120.8) internal successors, (604), 5 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:57,831 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:54:57,831 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 02:54:57,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 02:54:57,831 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 02:54:57,832 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:54:57,832 INFO L85 PathProgramCache]: Analyzing trace with hash 427062380, now seen corresponding path program 1 times [2023-08-29 02:54:57,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:54:57,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069905515] [2023-08-29 02:54:57,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:54:57,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:54:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:54:58,283 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 02:54:58,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:54:58,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069905515] [2023-08-29 02:54:58,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069905515] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:54:58,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:54:58,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 02:54:58,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829300647] [2023-08-29 02:54:58,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:54:58,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 02:54:58,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:54:58,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 02:54:58,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-08-29 02:54:58,642 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 222 [2023-08-29 02:54:58,643 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 115 transitions, 642 flow. Second operand has 10 states, 10 states have (on average 94.3) internal successors, (943), 10 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:58,643 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:54:58,643 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 222 [2023-08-29 02:54:58,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:54:58,936 INFO L130 PetriNetUnfolder]: 270/728 cut-off events. [2023-08-29 02:54:58,936 INFO L131 PetriNetUnfolder]: For 829/829 co-relation queries the response was YES. [2023-08-29 02:54:58,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2373 conditions, 728 events. 270/728 cut-off events. For 829/829 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3426 event pairs, 104 based on Foata normal form. 0/723 useless extension candidates. Maximal degree in co-relation 2351. Up to 534 conditions per place. [2023-08-29 02:54:58,941 INFO L137 encePairwiseOnDemand]: 213/222 looper letters, 112 selfloop transitions, 32 changer transitions 0/153 dead transitions. [2023-08-29 02:54:58,942 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 153 transitions, 1123 flow [2023-08-29 02:54:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 02:54:58,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 02:54:58,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 902 transitions. [2023-08-29 02:54:58,946 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45145145145145144 [2023-08-29 02:54:58,946 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 902 transitions. [2023-08-29 02:54:58,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 902 transitions. [2023-08-29 02:54:58,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:54:58,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 902 transitions. [2023-08-29 02:54:58,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 100.22222222222223) internal successors, (902), 9 states have internal predecessors, (902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:58,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 222.0) internal successors, (2220), 10 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:58,952 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 222.0) internal successors, (2220), 10 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:58,952 INFO L175 Difference]: Start difference. First operand has 79 places, 115 transitions, 642 flow. Second operand 9 states and 902 transitions. [2023-08-29 02:54:58,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 153 transitions, 1123 flow [2023-08-29 02:54:58,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 153 transitions, 1102 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 02:54:58,961 INFO L231 Difference]: Finished difference. Result has 83 places, 114 transitions, 684 flow [2023-08-29 02:54:58,961 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=684, PETRI_PLACES=83, PETRI_TRANSITIONS=114} [2023-08-29 02:54:58,963 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 26 predicate places. [2023-08-29 02:54:58,964 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 114 transitions, 684 flow [2023-08-29 02:54:58,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 94.3) internal successors, (943), 10 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:58,964 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:54:58,967 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 02:54:58,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 02:54:58,967 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 02:54:58,968 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:54:58,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1988400922, now seen corresponding path program 1 times [2023-08-29 02:54:58,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:54:58,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145275464] [2023-08-29 02:54:58,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:54:58,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:54:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:54:59,480 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 02:54:59,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:54:59,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145275464] [2023-08-29 02:54:59,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145275464] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:54:59,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:54:59,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 02:54:59,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607319283] [2023-08-29 02:54:59,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:54:59,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 02:54:59,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:54:59,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 02:54:59,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-08-29 02:54:59,923 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 222 [2023-08-29 02:54:59,925 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 114 transitions, 684 flow. Second operand has 10 states, 10 states have (on average 110.6) internal successors, (1106), 10 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:54:59,926 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:54:59,926 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 222 [2023-08-29 02:54:59,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:55:00,333 INFO L130 PetriNetUnfolder]: 331/888 cut-off events. [2023-08-29 02:55:00,333 INFO L131 PetriNetUnfolder]: For 967/967 co-relation queries the response was YES. [2023-08-29 02:55:00,336 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2969 conditions, 888 events. 331/888 cut-off events. For 967/967 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 4584 event pairs, 16 based on Foata normal form. 20/904 useless extension candidates. Maximal degree in co-relation 2945. Up to 298 conditions per place. [2023-08-29 02:55:00,340 INFO L137 encePairwiseOnDemand]: 213/222 looper letters, 176 selfloop transitions, 30 changer transitions 12/235 dead transitions. [2023-08-29 02:55:00,341 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 235 transitions, 1776 flow [2023-08-29 02:55:00,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 02:55:00,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 02:55:00,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1213 transitions. [2023-08-29 02:55:00,344 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5463963963963964 [2023-08-29 02:55:00,344 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1213 transitions. [2023-08-29 02:55:00,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1213 transitions. [2023-08-29 02:55:00,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:55:00,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1213 transitions. [2023-08-29 02:55:00,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 121.3) internal successors, (1213), 10 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:00,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 222.0) internal successors, (2442), 11 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:00,353 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 222.0) internal successors, (2442), 11 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:00,353 INFO L175 Difference]: Start difference. First operand has 83 places, 114 transitions, 684 flow. Second operand 10 states and 1213 transitions. [2023-08-29 02:55:00,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 235 transitions, 1776 flow [2023-08-29 02:55:00,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 235 transitions, 1640 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-29 02:55:00,363 INFO L231 Difference]: Finished difference. Result has 89 places, 137 transitions, 896 flow [2023-08-29 02:55:00,363 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=896, PETRI_PLACES=89, PETRI_TRANSITIONS=137} [2023-08-29 02:55:00,364 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 32 predicate places. [2023-08-29 02:55:00,365 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 137 transitions, 896 flow [2023-08-29 02:55:00,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 110.6) internal successors, (1106), 10 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:00,366 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:55:00,366 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 02:55:00,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 02:55:00,366 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 02:55:00,366 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:55:00,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1154200964, now seen corresponding path program 2 times [2023-08-29 02:55:00,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:55:00,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42977604] [2023-08-29 02:55:00,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:55:00,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:55:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:55:00,830 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 02:55:00,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:55:00,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42977604] [2023-08-29 02:55:00,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42977604] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:55:00,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:55:00,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 02:55:00,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091138863] [2023-08-29 02:55:00,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:55:00,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 02:55:00,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:55:00,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 02:55:00,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-08-29 02:55:01,298 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 222 [2023-08-29 02:55:01,299 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 137 transitions, 896 flow. Second operand has 11 states, 11 states have (on average 110.45454545454545) internal successors, (1215), 11 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:01,299 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:55:01,300 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 222 [2023-08-29 02:55:01,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:55:01,796 INFO L130 PetriNetUnfolder]: 348/971 cut-off events. [2023-08-29 02:55:01,796 INFO L131 PetriNetUnfolder]: For 1960/1960 co-relation queries the response was YES. [2023-08-29 02:55:01,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3676 conditions, 971 events. 348/971 cut-off events. For 1960/1960 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 5340 event pairs, 50 based on Foata normal form. 16/982 useless extension candidates. Maximal degree in co-relation 3647. Up to 475 conditions per place. [2023-08-29 02:55:01,804 INFO L137 encePairwiseOnDemand]: 205/222 looper letters, 125 selfloop transitions, 57 changer transitions 15/214 dead transitions. [2023-08-29 02:55:01,804 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 214 transitions, 1613 flow [2023-08-29 02:55:01,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 02:55:01,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 02:55:01,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1118 transitions. [2023-08-29 02:55:01,808 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5595595595595596 [2023-08-29 02:55:01,808 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1118 transitions. [2023-08-29 02:55:01,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1118 transitions. [2023-08-29 02:55:01,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:55:01,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1118 transitions. [2023-08-29 02:55:01,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 124.22222222222223) internal successors, (1118), 9 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:01,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 222.0) internal successors, (2220), 10 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:01,815 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 222.0) internal successors, (2220), 10 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:01,815 INFO L175 Difference]: Start difference. First operand has 89 places, 137 transitions, 896 flow. Second operand 9 states and 1118 transitions. [2023-08-29 02:55:01,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 214 transitions, 1613 flow [2023-08-29 02:55:01,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 214 transitions, 1603 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 02:55:01,832 INFO L231 Difference]: Finished difference. Result has 97 places, 147 transitions, 1175 flow [2023-08-29 02:55:01,832 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1175, PETRI_PLACES=97, PETRI_TRANSITIONS=147} [2023-08-29 02:55:01,835 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 40 predicate places. [2023-08-29 02:55:01,835 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 147 transitions, 1175 flow [2023-08-29 02:55:01,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 110.45454545454545) internal successors, (1215), 11 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:01,836 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:55:01,836 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 02:55:01,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 02:55:01,836 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 02:55:01,837 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:55:01,837 INFO L85 PathProgramCache]: Analyzing trace with hash -968877818, now seen corresponding path program 3 times [2023-08-29 02:55:01,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:55:01,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093310811] [2023-08-29 02:55:01,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:55:01,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:55:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:55:02,238 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 02:55:02,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:55:02,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093310811] [2023-08-29 02:55:02,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093310811] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:55:02,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:55:02,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 02:55:02,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165817177] [2023-08-29 02:55:02,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:55:02,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 02:55:02,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:55:02,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 02:55:02,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-08-29 02:55:02,754 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 222 [2023-08-29 02:55:02,755 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 147 transitions, 1175 flow. Second operand has 11 states, 11 states have (on average 110.45454545454545) internal successors, (1215), 11 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:02,755 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:55:02,755 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 222 [2023-08-29 02:55:02,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:55:03,389 INFO L130 PetriNetUnfolder]: 411/1173 cut-off events. [2023-08-29 02:55:03,389 INFO L131 PetriNetUnfolder]: For 3635/3635 co-relation queries the response was YES. [2023-08-29 02:55:03,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4868 conditions, 1173 events. 411/1173 cut-off events. For 3635/3635 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 6933 event pairs, 42 based on Foata normal form. 20/1186 useless extension candidates. Maximal degree in co-relation 4836. Up to 304 conditions per place. [2023-08-29 02:55:03,401 INFO L137 encePairwiseOnDemand]: 205/222 looper letters, 185 selfloop transitions, 83 changer transitions 18/303 dead transitions. [2023-08-29 02:55:03,402 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 303 transitions, 2706 flow [2023-08-29 02:55:03,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 02:55:03,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 02:55:03,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1250 transitions. [2023-08-29 02:55:03,407 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5630630630630631 [2023-08-29 02:55:03,407 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1250 transitions. [2023-08-29 02:55:03,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1250 transitions. [2023-08-29 02:55:03,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:55:03,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1250 transitions. [2023-08-29 02:55:03,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 125.0) internal successors, (1250), 10 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:03,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 222.0) internal successors, (2442), 11 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:03,415 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 222.0) internal successors, (2442), 11 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:03,415 INFO L175 Difference]: Start difference. First operand has 97 places, 147 transitions, 1175 flow. Second operand 10 states and 1250 transitions. [2023-08-29 02:55:03,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 303 transitions, 2706 flow [2023-08-29 02:55:03,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 303 transitions, 2647 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 02:55:03,436 INFO L231 Difference]: Finished difference. Result has 107 places, 186 transitions, 1871 flow [2023-08-29 02:55:03,437 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=1129, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1871, PETRI_PLACES=107, PETRI_TRANSITIONS=186} [2023-08-29 02:55:03,438 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 50 predicate places. [2023-08-29 02:55:03,438 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 186 transitions, 1871 flow [2023-08-29 02:55:03,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 110.45454545454545) internal successors, (1215), 11 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:03,439 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:55:03,439 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 02:55:03,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 02:55:03,439 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 02:55:03,440 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:55:03,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1387659590, now seen corresponding path program 4 times [2023-08-29 02:55:03,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:55:03,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513675994] [2023-08-29 02:55:03,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:55:03,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:55:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:55:03,849 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 02:55:03,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:55:03,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513675994] [2023-08-29 02:55:03,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513675994] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:55:03,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:55:03,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 02:55:03,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590295812] [2023-08-29 02:55:03,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:55:03,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 02:55:03,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:55:03,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 02:55:03,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-08-29 02:55:04,351 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 222 [2023-08-29 02:55:04,352 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 186 transitions, 1871 flow. Second operand has 11 states, 11 states have (on average 110.45454545454545) internal successors, (1215), 11 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:04,352 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:55:04,353 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 222 [2023-08-29 02:55:04,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:55:05,026 INFO L130 PetriNetUnfolder]: 451/1322 cut-off events. [2023-08-29 02:55:05,026 INFO L131 PetriNetUnfolder]: For 6795/6795 co-relation queries the response was YES. [2023-08-29 02:55:05,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6035 conditions, 1322 events. 451/1322 cut-off events. For 6795/6795 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 8258 event pairs, 59 based on Foata normal form. 20/1336 useless extension candidates. Maximal degree in co-relation 5996. Up to 596 conditions per place. [2023-08-29 02:55:05,039 INFO L137 encePairwiseOnDemand]: 205/222 looper letters, 167 selfloop transitions, 91 changer transitions 18/293 dead transitions. [2023-08-29 02:55:05,039 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 293 transitions, 3022 flow [2023-08-29 02:55:05,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 02:55:05,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 02:55:05,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1247 transitions. [2023-08-29 02:55:05,043 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5617117117117117 [2023-08-29 02:55:05,043 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1247 transitions. [2023-08-29 02:55:05,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1247 transitions. [2023-08-29 02:55:05,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:55:05,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1247 transitions. [2023-08-29 02:55:05,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 124.7) internal successors, (1247), 10 states have internal predecessors, (1247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:05,050 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 222.0) internal successors, (2442), 11 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:05,051 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 222.0) internal successors, (2442), 11 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:05,051 INFO L175 Difference]: Start difference. First operand has 107 places, 186 transitions, 1871 flow. Second operand 10 states and 1247 transitions. [2023-08-29 02:55:05,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 293 transitions, 3022 flow [2023-08-29 02:55:05,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 293 transitions, 2973 flow, removed 23 selfloop flow, removed 2 redundant places. [2023-08-29 02:55:05,082 INFO L231 Difference]: Finished difference. Result has 119 places, 206 transitions, 2448 flow [2023-08-29 02:55:05,083 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=1822, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2448, PETRI_PLACES=119, PETRI_TRANSITIONS=206} [2023-08-29 02:55:05,084 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 62 predicate places. [2023-08-29 02:55:05,084 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 206 transitions, 2448 flow [2023-08-29 02:55:05,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 110.45454545454545) internal successors, (1215), 11 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:05,085 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:55:05,085 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 02:55:05,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 02:55:05,085 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 02:55:05,085 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:55:05,086 INFO L85 PathProgramCache]: Analyzing trace with hash 652243900, now seen corresponding path program 5 times [2023-08-29 02:55:05,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:55:05,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824808048] [2023-08-29 02:55:05,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:55:05,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:55:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:55:05,473 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 02:55:05,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:55:05,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824808048] [2023-08-29 02:55:05,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824808048] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:55:05,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:55:05,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 02:55:05,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714118220] [2023-08-29 02:55:05,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:55:05,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 02:55:05,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:55:05,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 02:55:05,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 02:55:05,944 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 222 [2023-08-29 02:55:05,945 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 206 transitions, 2448 flow. Second operand has 11 states, 11 states have (on average 110.45454545454545) internal successors, (1215), 11 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:05,945 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:55:05,945 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 222 [2023-08-29 02:55:05,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:55:06,664 INFO L130 PetriNetUnfolder]: 430/1324 cut-off events. [2023-08-29 02:55:06,664 INFO L131 PetriNetUnfolder]: For 8726/8726 co-relation queries the response was YES. [2023-08-29 02:55:06,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6485 conditions, 1324 events. 430/1324 cut-off events. For 8726/8726 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 8546 event pairs, 35 based on Foata normal form. 20/1339 useless extension candidates. Maximal degree in co-relation 6440. Up to 465 conditions per place. [2023-08-29 02:55:06,676 INFO L137 encePairwiseOnDemand]: 205/222 looper letters, 189 selfloop transitions, 98 changer transitions 21/325 dead transitions. [2023-08-29 02:55:06,676 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 325 transitions, 3806 flow [2023-08-29 02:55:06,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 02:55:06,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 02:55:06,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1248 transitions. [2023-08-29 02:55:06,680 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5621621621621622 [2023-08-29 02:55:06,680 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1248 transitions. [2023-08-29 02:55:06,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1248 transitions. [2023-08-29 02:55:06,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:55:06,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1248 transitions. [2023-08-29 02:55:06,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 124.8) internal successors, (1248), 10 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:06,686 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 222.0) internal successors, (2442), 11 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:06,687 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 222.0) internal successors, (2442), 11 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:06,687 INFO L175 Difference]: Start difference. First operand has 119 places, 206 transitions, 2448 flow. Second operand 10 states and 1248 transitions. [2023-08-29 02:55:06,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 325 transitions, 3806 flow [2023-08-29 02:55:06,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 325 transitions, 3694 flow, removed 18 selfloop flow, removed 8 redundant places. [2023-08-29 02:55:06,725 INFO L231 Difference]: Finished difference. Result has 123 places, 220 transitions, 2954 flow [2023-08-29 02:55:06,725 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=2330, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2954, PETRI_PLACES=123, PETRI_TRANSITIONS=220} [2023-08-29 02:55:06,726 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 66 predicate places. [2023-08-29 02:55:06,726 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 220 transitions, 2954 flow [2023-08-29 02:55:06,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 110.45454545454545) internal successors, (1215), 11 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:06,727 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:55:06,727 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 02:55:06,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 02:55:06,728 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 02:55:06,728 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:55:06,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1053192051, now seen corresponding path program 1 times [2023-08-29 02:55:06,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:55:06,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533424991] [2023-08-29 02:55:06,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:55:06,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:55:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:55:06,947 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 02:55:06,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:55:06,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533424991] [2023-08-29 02:55:06,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533424991] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:55:06,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:55:06,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:55:06,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77119672] [2023-08-29 02:55:06,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:55:06,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:55:06,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:55:06,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:55:06,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:55:07,071 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 222 [2023-08-29 02:55:07,071 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 220 transitions, 2954 flow. Second operand has 6 states, 6 states have (on average 101.5) internal successors, (609), 6 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:07,072 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:55:07,072 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 222 [2023-08-29 02:55:07,072 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:55:07,369 INFO L130 PetriNetUnfolder]: 452/1326 cut-off events. [2023-08-29 02:55:07,369 INFO L131 PetriNetUnfolder]: For 9653/9660 co-relation queries the response was YES. [2023-08-29 02:55:07,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7173 conditions, 1326 events. 452/1326 cut-off events. For 9653/9660 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 8266 event pairs, 150 based on Foata normal form. 29/1351 useless extension candidates. Maximal degree in co-relation 7127. Up to 1069 conditions per place. [2023-08-29 02:55:07,380 INFO L137 encePairwiseOnDemand]: 213/222 looper letters, 126 selfloop transitions, 51 changer transitions 92/279 dead transitions. [2023-08-29 02:55:07,380 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 279 transitions, 4183 flow [2023-08-29 02:55:07,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:55:07,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:55:07,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 645 transitions. [2023-08-29 02:55:07,383 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48423423423423423 [2023-08-29 02:55:07,383 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 645 transitions. [2023-08-29 02:55:07,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 645 transitions. [2023-08-29 02:55:07,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:55:07,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 645 transitions. [2023-08-29 02:55:07,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 107.5) internal successors, (645), 6 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:07,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 222.0) internal successors, (1554), 7 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:07,388 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 222.0) internal successors, (1554), 7 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:07,388 INFO L175 Difference]: Start difference. First operand has 123 places, 220 transitions, 2954 flow. Second operand 6 states and 645 transitions. [2023-08-29 02:55:07,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 279 transitions, 4183 flow [2023-08-29 02:55:07,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 279 transitions, 3963 flow, removed 53 selfloop flow, removed 6 redundant places. [2023-08-29 02:55:07,428 INFO L231 Difference]: Finished difference. Result has 123 places, 187 transitions, 2233 flow [2023-08-29 02:55:07,428 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=2810, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2233, PETRI_PLACES=123, PETRI_TRANSITIONS=187} [2023-08-29 02:55:07,429 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 66 predicate places. [2023-08-29 02:55:07,429 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 187 transitions, 2233 flow [2023-08-29 02:55:07,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 101.5) internal successors, (609), 6 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:07,430 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:55:07,430 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 02:55:07,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 02:55:07,431 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-08-29 02:55:07,431 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:55:07,431 INFO L85 PathProgramCache]: Analyzing trace with hash 553714978, now seen corresponding path program 1 times [2023-08-29 02:55:07,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:55:07,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319149031] [2023-08-29 02:55:07,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:55:07,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:55:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:55:07,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:55:07,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:55:07,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319149031] [2023-08-29 02:55:07,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319149031] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:55:07,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:55:07,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 02:55:07,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843848284] [2023-08-29 02:55:07,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:55:07,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 02:55:07,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:55:07,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 02:55:07,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-08-29 02:55:08,087 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 222 [2023-08-29 02:55:08,088 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 187 transitions, 2233 flow. Second operand has 10 states, 10 states have (on average 95.6) internal successors, (956), 10 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:08,088 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:55:08,088 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 222 [2023-08-29 02:55:08,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:55:08,424 INFO L130 PetriNetUnfolder]: 344/993 cut-off events. [2023-08-29 02:55:08,425 INFO L131 PetriNetUnfolder]: For 8323/8323 co-relation queries the response was YES. [2023-08-29 02:55:08,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5352 conditions, 993 events. 344/993 cut-off events. For 8323/8323 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5495 event pairs, 126 based on Foata normal form. 18/1009 useless extension candidates. Maximal degree in co-relation 5305. Up to 667 conditions per place. [2023-08-29 02:55:08,434 INFO L137 encePairwiseOnDemand]: 214/222 looper letters, 0 selfloop transitions, 0 changer transitions 233/233 dead transitions. [2023-08-29 02:55:08,435 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 233 transitions, 3095 flow [2023-08-29 02:55:08,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 02:55:08,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 02:55:08,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 898 transitions. [2023-08-29 02:55:08,438 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4494494494494494 [2023-08-29 02:55:08,438 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 898 transitions. [2023-08-29 02:55:08,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 898 transitions. [2023-08-29 02:55:08,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:55:08,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 898 transitions. [2023-08-29 02:55:08,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 99.77777777777777) internal successors, (898), 9 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:08,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 222.0) internal successors, (2220), 10 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:08,451 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 222.0) internal successors, (2220), 10 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:08,452 INFO L175 Difference]: Start difference. First operand has 123 places, 187 transitions, 2233 flow. Second operand 9 states and 898 transitions. [2023-08-29 02:55:08,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 233 transitions, 3095 flow [2023-08-29 02:55:08,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 233 transitions, 2692 flow, removed 82 selfloop flow, removed 8 redundant places. [2023-08-29 02:55:08,487 INFO L231 Difference]: Finished difference. Result has 120 places, 0 transitions, 0 flow [2023-08-29 02:55:08,487 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=1858, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=120, PETRI_TRANSITIONS=0} [2023-08-29 02:55:08,488 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 63 predicate places. [2023-08-29 02:55:08,488 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 0 transitions, 0 flow [2023-08-29 02:55:08,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 95.6) internal successors, (956), 10 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:55:08,491 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2023-08-29 02:55:08,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2023-08-29 02:55:08,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 11 remaining) [2023-08-29 02:55:08,493 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2023-08-29 02:55:08,493 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2023-08-29 02:55:08,493 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2023-08-29 02:55:08,493 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2023-08-29 02:55:08,494 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2023-08-29 02:55:08,494 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2023-08-29 02:55:08,494 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2023-08-29 02:55:08,494 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2023-08-29 02:55:08,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 02:55:08,495 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:55:08,499 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 02:55:08,499 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 02:55:08,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 02:55:08 BasicIcfg [2023-08-29 02:55:08,503 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 02:55:08,503 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 02:55:08,503 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 02:55:08,504 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 02:55:08,504 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:54:49" (3/4) ... [2023-08-29 02:55:08,506 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 02:55:08,512 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-29 02:55:08,516 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-08-29 02:55:08,517 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 02:55:08,517 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 02:55:08,517 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 02:55:08,552 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 02:55:08,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 02:55:08,552 INFO L158 Benchmark]: Toolchain (without parser) took 19795.60ms. Allocated memory was 71.3MB in the beginning and 268.4MB in the end (delta: 197.1MB). Free memory was 40.9MB in the beginning and 193.7MB in the end (delta: -152.8MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2023-08-29 02:55:08,553 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 02:55:08,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 545.49ms. Allocated memory is still 71.3MB. Free memory was 40.8MB in the beginning and 36.3MB in the end (delta: 4.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-08-29 02:55:08,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.38ms. Allocated memory is still 71.3MB. Free memory was 36.3MB in the beginning and 34.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:55:08,554 INFO L158 Benchmark]: Boogie Preprocessor took 61.37ms. Allocated memory is still 71.3MB. Free memory was 34.2MB in the beginning and 32.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:55:08,554 INFO L158 Benchmark]: RCFGBuilder took 527.46ms. Allocated memory is still 71.3MB. Free memory was 31.9MB in the beginning and 33.7MB in the end (delta: -1.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 02:55:08,554 INFO L158 Benchmark]: TraceAbstraction took 18538.79ms. Allocated memory was 71.3MB in the beginning and 268.4MB in the end (delta: 197.1MB). Free memory was 33.0MB in the beginning and 196.9MB in the end (delta: -163.8MB). Peak memory consumption was 152.0MB. Max. memory is 16.1GB. [2023-08-29 02:55:08,554 INFO L158 Benchmark]: Witness Printer took 48.69ms. Allocated memory is still 268.4MB. Free memory was 196.9MB in the beginning and 193.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:55:08,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 545.49ms. Allocated memory is still 71.3MB. Free memory was 40.8MB in the beginning and 36.3MB in the end (delta: 4.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.38ms. Allocated memory is still 71.3MB. Free memory was 36.3MB in the beginning and 34.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.37ms. Allocated memory is still 71.3MB. Free memory was 34.2MB in the beginning and 32.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 527.46ms. Allocated memory is still 71.3MB. Free memory was 31.9MB in the beginning and 33.7MB in the end (delta: -1.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 18538.79ms. Allocated memory was 71.3MB in the beginning and 268.4MB in the end (delta: 197.1MB). Free memory was 33.0MB in the beginning and 196.9MB in the end (delta: -163.8MB). Peak memory consumption was 152.0MB. Max. memory is 16.1GB. * Witness Printer took 48.69ms. Allocated memory is still 268.4MB. Free memory was 196.9MB in the beginning and 193.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.9s, 126 PlacesBefore, 57 PlacesAfterwards, 131 TransitionsBefore, 61 TransitionsAfterwards, 4026 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 81 TotalNumberOfCompositions, 20613 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4422, independent: 3802, independent conditional: 0, independent unconditional: 3802, 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: 1771, independent: 1688, independent conditional: 0, independent unconditional: 1688, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4422, independent: 2114, independent conditional: 0, independent unconditional: 2114, dependent: 537, dependent conditional: 0, dependent unconditional: 537, unknown: 1771, unknown conditional: 0, unknown unconditional: 1771] , Statistics on independence cache: Total cache size (in pairs): 262, Positive cache size: 208, Positive conditional cache size: 0, Positive unconditional cache size: 208, Negative cache size: 54, Negative conditional cache size: 0, Negative unconditional cache size: 54, 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, 190 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: 18.4s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3454 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2679 mSDsluCounter, 1099 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 954 mSDsCounter, 992 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9637 IncrementalHoareTripleChecker+Invalid, 10629 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 992 mSolverCounterUnsat, 145 mSDtfsCounter, 9637 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2954occurred in iteration=11, InterpolantAutomatonStates: 101, 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, 0.1s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 299 ConstructedInterpolants, 0 QuantifiedInterpolants, 3293 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 02:55:08,587 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