./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --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/13-privatized_20-publish-regression_true.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 bdbcb1f6d336419408bc21eb9ac3a89d4566c9a0348f626a712e605b31e52535 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 20:39:18,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 20:39:18,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 20:39:18,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 20:39:18,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 20:39:18,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 20:39:18,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 20:39:18,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 20:39:18,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 20:39:18,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 20:39:18,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 20:39:18,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 20:39:18,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 20:39:18,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 20:39:18,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 20:39:18,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 20:39:18,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 20:39:18,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 20:39:18,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 20:39:18,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 20:39:18,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 20:39:18,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 20:39:18,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 20:39:18,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 20:39:18,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 20:39:18,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 20:39:18,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 20:39:18,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 20:39:18,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 20:39:18,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 20:39:18,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 20:39:18,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 20:39:18,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 20:39:18,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 20:39:18,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 20:39:18,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 20:39:18,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 20:39:18,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 20:39:18,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 20:39:18,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 20:39:18,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 20:39:18,722 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 20:39:18,744 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 20:39:18,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 20:39:18,745 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 20:39:18,745 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 20:39:18,746 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 20:39:18,746 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 20:39:18,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 20:39:18,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 20:39:18,747 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 20:39:18,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 20:39:18,748 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 20:39:18,748 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 20:39:18,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 20:39:18,748 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 20:39:18,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 20:39:18,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 20:39:18,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 20:39:18,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 20:39:18,749 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 20:39:18,749 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 20:39:18,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 20:39:18,750 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 20:39:18,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 20:39:18,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 20:39:18,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 20:39:18,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 20:39:18,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 20:39:18,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 20:39:18,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 20:39:18,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 20:39:18,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 20:39:18,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 20:39:18,752 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 20:39:18,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 20:39:18,752 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 20:39:18,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 20:39:18,753 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 20:39:18,753 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdbcb1f6d336419408bc21eb9ac3a89d4566c9a0348f626a712e605b31e52535 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 20:39:19,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 20:39:19,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 20:39:19,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 20:39:19,062 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 20:39:19,062 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 20:39:19,063 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i [2023-08-31 20:39:20,201 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 20:39:20,441 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 20:39:20,441 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i [2023-08-31 20:39:20,454 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c988eff2c/93fe26fdf4d148bea201d37a8e74df96/FLAG02863df38 [2023-08-31 20:39:20,469 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c988eff2c/93fe26fdf4d148bea201d37a8e74df96 [2023-08-31 20:39:20,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 20:39:20,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 20:39:20,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 20:39:20,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 20:39:20,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 20:39:20,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 08:39:20" (1/1) ... [2023-08-31 20:39:20,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69f4d695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:39:20, skipping insertion in model container [2023-08-31 20:39:20,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 08:39:20" (1/1) ... [2023-08-31 20:39:20,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 20:39:20,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 20:39:20,650 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/13-privatized_20-publish-regression_true.i[1095,1108] [2023-08-31 20:39:20,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 20:39:20,766 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 20:39:20,776 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/13-privatized_20-publish-regression_true.i[1095,1108] [2023-08-31 20:39:20,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 20:39:20,839 INFO L208 MainTranslator]: Completed translation [2023-08-31 20:39:20,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:39:20 WrapperNode [2023-08-31 20:39:20,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 20:39:20,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 20:39:20,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 20:39:20,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 20:39:20,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:39:20" (1/1) ... [2023-08-31 20:39:20,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:39:20" (1/1) ... [2023-08-31 20:39:20,881 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 94 [2023-08-31 20:39:20,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 20:39:20,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 20:39:20,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 20:39:20,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 20:39:20,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:39:20" (1/1) ... [2023-08-31 20:39:20,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:39:20" (1/1) ... [2023-08-31 20:39:20,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:39:20" (1/1) ... [2023-08-31 20:39:20,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:39:20" (1/1) ... [2023-08-31 20:39:20,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:39:20" (1/1) ... [2023-08-31 20:39:20,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:39:20" (1/1) ... [2023-08-31 20:39:20,901 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:39:20" (1/1) ... [2023-08-31 20:39:20,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:39:20" (1/1) ... [2023-08-31 20:39:20,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 20:39:20,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 20:39:20,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 20:39:20,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 20:39:20,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:39:20" (1/1) ... [2023-08-31 20:39:20,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 20:39:20,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 20:39:20,942 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) [2023-08-31 20:39:20,971 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 [2023-08-31 20:39:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 20:39:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 20:39:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-31 20:39:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 20:39:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 20:39:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-31 20:39:20,990 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-31 20:39:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 20:39:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 20:39:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 20:39:20,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 20:39:20,992 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 20:39:21,132 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 20:39:21,134 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 20:39:21,340 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 20:39:21,347 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 20:39:21,348 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-31 20:39:21,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 08:39:21 BoogieIcfgContainer [2023-08-31 20:39:21,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 20:39:21,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 20:39:21,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 20:39:21,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 20:39:21,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 08:39:20" (1/3) ... [2023-08-31 20:39:21,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e922b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 08:39:21, skipping insertion in model container [2023-08-31 20:39:21,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:39:20" (2/3) ... [2023-08-31 20:39:21,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e922b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 08:39:21, skipping insertion in model container [2023-08-31 20:39:21,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 08:39:21" (3/3) ... [2023-08-31 20:39:21,357 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_20-publish-regression_true.i [2023-08-31 20:39:21,364 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 20:39:21,373 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 20:39:21,373 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-31 20:39:21,373 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 20:39:21,432 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-31 20:39:21,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 104 places, 103 transitions, 214 flow [2023-08-31 20:39:21,511 INFO L130 PetriNetUnfolder]: 3/102 cut-off events. [2023-08-31 20:39:21,512 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-31 20:39:21,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 102 events. 3/102 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 64 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2023-08-31 20:39:21,517 INFO L82 GeneralOperation]: Start removeDead. Operand has 104 places, 103 transitions, 214 flow [2023-08-31 20:39:21,520 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 96 places, 95 transitions, 193 flow [2023-08-31 20:39:21,524 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 20:39:21,531 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 95 transitions, 193 flow [2023-08-31 20:39:21,533 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 95 transitions, 193 flow [2023-08-31 20:39:21,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 96 places, 95 transitions, 193 flow [2023-08-31 20:39:21,551 INFO L130 PetriNetUnfolder]: 3/95 cut-off events. [2023-08-31 20:39:21,551 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 20:39:21,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 95 events. 3/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 64 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2023-08-31 20:39:21,553 INFO L119 LiptonReduction]: Number of co-enabled transitions 1496 [2023-08-31 20:39:24,741 INFO L134 LiptonReduction]: Checked pairs total: 6203 [2023-08-31 20:39:24,742 INFO L136 LiptonReduction]: Total number of compositions: 86 [2023-08-31 20:39:24,755 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 20:39:24,761 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;@2a8940ac, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 20:39:24,761 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-08-31 20:39:24,762 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 20:39:24,763 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 20:39:24,763 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:39:24,763 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 20:39:24,764 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-31 20:39:24,768 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:39:24,768 INFO L85 PathProgramCache]: Analyzing trace with hash 368, now seen corresponding path program 1 times [2023-08-31 20:39:24,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:39:24,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116374670] [2023-08-31 20:39:24,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:39:24,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:39:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:39:24,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 20:39:24,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:39:24,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116374670] [2023-08-31 20:39:24,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116374670] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:39:24,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:39:24,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 20:39:24,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027904175] [2023-08-31 20:39:24,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:39:24,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 20:39:24,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:39:24,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 20:39:24,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 20:39:24,916 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 189 [2023-08-31 20:39:24,919 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 32 transitions, 67 flow. Second operand has 2 states, 2 states have (on average 95.5) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:24,919 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:39:24,919 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 189 [2023-08-31 20:39:24,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:39:24,990 INFO L130 PetriNetUnfolder]: 60/178 cut-off events. [2023-08-31 20:39:24,991 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 20:39:24,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 321 conditions, 178 events. 60/178 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 721 event pairs, 60 based on Foata normal form. 18/160 useless extension candidates. Maximal degree in co-relation 312. Up to 139 conditions per place. [2023-08-31 20:39:24,993 INFO L137 encePairwiseOnDemand]: 186/189 looper letters, 18 selfloop transitions, 0 changer transitions 0/28 dead transitions. [2023-08-31 20:39:24,993 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 28 transitions, 95 flow [2023-08-31 20:39:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 20:39:24,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 20:39:25,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 211 transitions. [2023-08-31 20:39:25,006 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5582010582010583 [2023-08-31 20:39:25,006 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 211 transitions. [2023-08-31 20:39:25,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 211 transitions. [2023-08-31 20:39:25,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:39:25,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 211 transitions. [2023-08-31 20:39:25,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 105.5) internal successors, (211), 2 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,017 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,019 INFO L175 Difference]: Start difference. First operand has 34 places, 32 transitions, 67 flow. Second operand 2 states and 211 transitions. [2023-08-31 20:39:25,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 28 transitions, 95 flow [2023-08-31 20:39:25,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 28 transitions, 94 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 20:39:25,023 INFO L231 Difference]: Finished difference. Result has 32 places, 28 transitions, 58 flow [2023-08-31 20:39:25,024 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=58, PETRI_PLACES=32, PETRI_TRANSITIONS=28} [2023-08-31 20:39:25,027 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, -2 predicate places. [2023-08-31 20:39:25,028 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 28 transitions, 58 flow [2023-08-31 20:39:25,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 95.5) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,028 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:39:25,028 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-31 20:39:25,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 20:39:25,029 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-31 20:39:25,030 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:39:25,030 INFO L85 PathProgramCache]: Analyzing trace with hash 353328836, now seen corresponding path program 1 times [2023-08-31 20:39:25,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:39:25,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433558745] [2023-08-31 20:39:25,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:39:25,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:39:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:39:25,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 20:39:25,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:39:25,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433558745] [2023-08-31 20:39:25,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433558745] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:39:25,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:39:25,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 20:39:25,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040563870] [2023-08-31 20:39:25,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:39:25,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:39:25,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:39:25,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:39:25,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:39:25,204 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 189 [2023-08-31 20:39:25,205 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 28 transitions, 58 flow. Second operand has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,206 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:39:25,206 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 189 [2023-08-31 20:39:25,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:39:25,303 INFO L130 PetriNetUnfolder]: 122/323 cut-off events. [2023-08-31 20:39:25,303 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 20:39:25,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 323 events. 122/323 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1450 event pairs, 45 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 607. Up to 181 conditions per place. [2023-08-31 20:39:25,310 INFO L137 encePairwiseOnDemand]: 181/189 looper letters, 29 selfloop transitions, 6 changer transitions 0/40 dead transitions. [2023-08-31 20:39:25,311 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 40 transitions, 152 flow [2023-08-31 20:39:25,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:39:25,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:39:25,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 289 transitions. [2023-08-31 20:39:25,316 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5097001763668431 [2023-08-31 20:39:25,317 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 289 transitions. [2023-08-31 20:39:25,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 289 transitions. [2023-08-31 20:39:25,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:39:25,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 289 transitions. [2023-08-31 20:39:25,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,323 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,324 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,324 INFO L175 Difference]: Start difference. First operand has 32 places, 28 transitions, 58 flow. Second operand 3 states and 289 transitions. [2023-08-31 20:39:25,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 40 transitions, 152 flow [2023-08-31 20:39:25,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 40 transitions, 152 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 20:39:25,326 INFO L231 Difference]: Finished difference. Result has 35 places, 30 transitions, 94 flow [2023-08-31 20:39:25,326 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=35, PETRI_TRANSITIONS=30} [2023-08-31 20:39:25,327 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 1 predicate places. [2023-08-31 20:39:25,327 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 30 transitions, 94 flow [2023-08-31 20:39:25,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,327 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:39:25,328 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-31 20:39:25,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 20:39:25,329 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-31 20:39:25,331 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:39:25,332 INFO L85 PathProgramCache]: Analyzing trace with hash 209808595, now seen corresponding path program 1 times [2023-08-31 20:39:25,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:39:25,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055647589] [2023-08-31 20:39:25,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:39:25,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:39:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:39:25,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 20:39:25,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:39:25,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055647589] [2023-08-31 20:39:25,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055647589] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:39:25,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:39:25,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 20:39:25,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702515504] [2023-08-31 20:39:25,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:39:25,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:39:25,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:39:25,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:39:25,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:39:25,461 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 189 [2023-08-31 20:39:25,461 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 30 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,462 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:39:25,462 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 189 [2023-08-31 20:39:25,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:39:25,529 INFO L130 PetriNetUnfolder]: 124/317 cut-off events. [2023-08-31 20:39:25,530 INFO L131 PetriNetUnfolder]: For 75/75 co-relation queries the response was YES. [2023-08-31 20:39:25,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 700 conditions, 317 events. 124/317 cut-off events. For 75/75 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1398 event pairs, 90 based on Foata normal form. 0/252 useless extension candidates. Maximal degree in co-relation 695. Up to 257 conditions per place. [2023-08-31 20:39:25,534 INFO L137 encePairwiseOnDemand]: 185/189 looper letters, 28 selfloop transitions, 3 changer transitions 0/38 dead transitions. [2023-08-31 20:39:25,535 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 38 transitions, 176 flow [2023-08-31 20:39:25,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:39:25,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:39:25,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 288 transitions. [2023-08-31 20:39:25,536 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5079365079365079 [2023-08-31 20:39:25,537 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 288 transitions. [2023-08-31 20:39:25,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 288 transitions. [2023-08-31 20:39:25,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:39:25,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 288 transitions. [2023-08-31 20:39:25,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,540 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,540 INFO L175 Difference]: Start difference. First operand has 35 places, 30 transitions, 94 flow. Second operand 3 states and 288 transitions. [2023-08-31 20:39:25,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 38 transitions, 176 flow [2023-08-31 20:39:25,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 38 transitions, 162 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 20:39:25,545 INFO L231 Difference]: Finished difference. Result has 36 places, 32 transitions, 103 flow [2023-08-31 20:39:25,545 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=103, PETRI_PLACES=36, PETRI_TRANSITIONS=32} [2023-08-31 20:39:25,546 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 2 predicate places. [2023-08-31 20:39:25,547 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 32 transitions, 103 flow [2023-08-31 20:39:25,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,547 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:39:25,548 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 20:39:25,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 20:39:25,549 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-31 20:39:25,549 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:39:25,550 INFO L85 PathProgramCache]: Analyzing trace with hash -945190440, now seen corresponding path program 1 times [2023-08-31 20:39:25,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:39:25,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324789131] [2023-08-31 20:39:25,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:39:25,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:39:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:39:25,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 20:39:25,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:39:25,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324789131] [2023-08-31 20:39:25,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324789131] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:39:25,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:39:25,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 20:39:25,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302171742] [2023-08-31 20:39:25,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:39:25,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:39:25,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:39:25,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:39:25,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:39:25,759 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 189 [2023-08-31 20:39:25,760 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 32 transitions, 103 flow. Second operand has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,760 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:39:25,760 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 189 [2023-08-31 20:39:25,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:39:25,816 INFO L130 PetriNetUnfolder]: 86/240 cut-off events. [2023-08-31 20:39:25,816 INFO L131 PetriNetUnfolder]: For 61/65 co-relation queries the response was YES. [2023-08-31 20:39:25,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 523 conditions, 240 events. 86/240 cut-off events. For 61/65 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1085 event pairs, 43 based on Foata normal form. 0/201 useless extension candidates. Maximal degree in co-relation 517. Up to 122 conditions per place. [2023-08-31 20:39:25,818 INFO L137 encePairwiseOnDemand]: 187/189 looper letters, 26 selfloop transitions, 1 changer transitions 2/42 dead transitions. [2023-08-31 20:39:25,818 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 42 transitions, 193 flow [2023-08-31 20:39:25,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:39:25,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:39:25,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 298 transitions. [2023-08-31 20:39:25,821 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5255731922398589 [2023-08-31 20:39:25,821 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 298 transitions. [2023-08-31 20:39:25,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 298 transitions. [2023-08-31 20:39:25,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:39:25,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 298 transitions. [2023-08-31 20:39:25,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,824 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,825 INFO L175 Difference]: Start difference. First operand has 36 places, 32 transitions, 103 flow. Second operand 3 states and 298 transitions. [2023-08-31 20:39:25,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 42 transitions, 193 flow [2023-08-31 20:39:25,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 42 transitions, 188 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 20:39:25,827 INFO L231 Difference]: Finished difference. Result has 36 places, 31 transitions, 100 flow [2023-08-31 20:39:25,827 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=36, PETRI_TRANSITIONS=31} [2023-08-31 20:39:25,828 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 2 predicate places. [2023-08-31 20:39:25,828 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 31 transitions, 100 flow [2023-08-31 20:39:25,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,829 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:39:25,829 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 20:39:25,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 20:39:25,829 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-31 20:39:25,829 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:39:25,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1689148734, now seen corresponding path program 1 times [2023-08-31 20:39:25,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:39:25,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847332936] [2023-08-31 20:39:25,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:39:25,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:39:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:39:25,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 20:39:25,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:39:25,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847332936] [2023-08-31 20:39:25,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847332936] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:39:25,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:39:25,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 20:39:25,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845775403] [2023-08-31 20:39:25,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:39:25,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:39:25,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:39:25,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:39:25,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:39:25,895 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 189 [2023-08-31 20:39:25,896 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 31 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,896 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:39:25,896 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 189 [2023-08-31 20:39:25,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:39:25,941 INFO L130 PetriNetUnfolder]: 53/181 cut-off events. [2023-08-31 20:39:25,942 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2023-08-31 20:39:25,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 181 events. 53/181 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 727 event pairs, 17 based on Foata normal form. 7/162 useless extension candidates. Maximal degree in co-relation 382. Up to 82 conditions per place. [2023-08-31 20:39:25,943 INFO L137 encePairwiseOnDemand]: 183/189 looper letters, 19 selfloop transitions, 6 changer transitions 3/38 dead transitions. [2023-08-31 20:39:25,943 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 38 transitions, 166 flow [2023-08-31 20:39:25,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:39:25,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:39:25,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 294 transitions. [2023-08-31 20:39:25,944 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5185185185185185 [2023-08-31 20:39:25,944 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 294 transitions. [2023-08-31 20:39:25,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 294 transitions. [2023-08-31 20:39:25,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:39:25,945 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 294 transitions. [2023-08-31 20:39:25,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,948 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,948 INFO L175 Difference]: Start difference. First operand has 36 places, 31 transitions, 100 flow. Second operand 3 states and 294 transitions. [2023-08-31 20:39:25,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 38 transitions, 166 flow [2023-08-31 20:39:25,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 38 transitions, 158 flow, removed 1 selfloop flow, removed 3 redundant places. [2023-08-31 20:39:25,950 INFO L231 Difference]: Finished difference. Result has 35 places, 30 transitions, 105 flow [2023-08-31 20:39:25,950 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=105, PETRI_PLACES=35, PETRI_TRANSITIONS=30} [2023-08-31 20:39:25,950 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 1 predicate places. [2023-08-31 20:39:25,951 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 30 transitions, 105 flow [2023-08-31 20:39:25,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:25,951 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:39:25,951 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 20:39:25,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 20:39:25,952 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-31 20:39:25,952 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:39:25,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1456024081, now seen corresponding path program 1 times [2023-08-31 20:39:25,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:39:25,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339750975] [2023-08-31 20:39:25,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:39:25,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:39:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:39:25,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 20:39:25,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:39:25,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339750975] [2023-08-31 20:39:25,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339750975] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:39:25,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:39:25,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 20:39:26,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163276548] [2023-08-31 20:39:26,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:39:26,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:39:26,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:39:26,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:39:26,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:39:26,027 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 189 [2023-08-31 20:39:26,027 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 30 transitions, 105 flow. Second operand has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:26,028 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:39:26,028 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 189 [2023-08-31 20:39:26,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:39:26,074 INFO L130 PetriNetUnfolder]: 85/230 cut-off events. [2023-08-31 20:39:26,074 INFO L131 PetriNetUnfolder]: For 59/59 co-relation queries the response was YES. [2023-08-31 20:39:26,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 230 events. 85/230 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 943 event pairs, 44 based on Foata normal form. 0/199 useless extension candidates. Maximal degree in co-relation 604. Up to 171 conditions per place. [2023-08-31 20:39:26,075 INFO L137 encePairwiseOnDemand]: 184/189 looper letters, 22 selfloop transitions, 3 changer transitions 10/39 dead transitions. [2023-08-31 20:39:26,075 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 39 transitions, 205 flow [2023-08-31 20:39:26,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:39:26,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:39:26,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 288 transitions. [2023-08-31 20:39:26,077 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5079365079365079 [2023-08-31 20:39:26,077 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 288 transitions. [2023-08-31 20:39:26,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 288 transitions. [2023-08-31 20:39:26,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:39:26,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 288 transitions. [2023-08-31 20:39:26,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:26,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:26,080 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:26,080 INFO L175 Difference]: Start difference. First operand has 35 places, 30 transitions, 105 flow. Second operand 3 states and 288 transitions. [2023-08-31 20:39:26,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 39 transitions, 205 flow [2023-08-31 20:39:26,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 39 transitions, 196 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 20:39:26,082 INFO L231 Difference]: Finished difference. Result has 38 places, 28 transitions, 109 flow [2023-08-31 20:39:26,082 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=109, PETRI_PLACES=38, PETRI_TRANSITIONS=28} [2023-08-31 20:39:26,083 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 4 predicate places. [2023-08-31 20:39:26,083 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 28 transitions, 109 flow [2023-08-31 20:39:26,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:26,084 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:39:26,084 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 20:39:26,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 20:39:26,084 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-31 20:39:26,085 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:39:26,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1629661515, now seen corresponding path program 1 times [2023-08-31 20:39:26,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:39:26,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082851396] [2023-08-31 20:39:26,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:39:26,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:39:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:39:26,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 20:39:26,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:39:26,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082851396] [2023-08-31 20:39:26,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082851396] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:39:26,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:39:26,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 20:39:26,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64749366] [2023-08-31 20:39:26,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:39:26,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-31 20:39:26,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:39:26,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-31 20:39:26,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-31 20:39:26,244 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 189 [2023-08-31 20:39:26,245 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 28 transitions, 109 flow. Second operand has 4 states, 4 states have (on average 91.75) internal successors, (367), 4 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:26,245 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:39:26,245 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 189 [2023-08-31 20:39:26,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:39:26,274 INFO L130 PetriNetUnfolder]: 8/53 cut-off events. [2023-08-31 20:39:26,274 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2023-08-31 20:39:26,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 53 events. 8/53 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 5/57 useless extension candidates. Maximal degree in co-relation 124. Up to 35 conditions per place. [2023-08-31 20:39:26,274 INFO L137 encePairwiseOnDemand]: 185/189 looper letters, 0 selfloop transitions, 0 changer transitions 22/22 dead transitions. [2023-08-31 20:39:26,275 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 22 transitions, 105 flow [2023-08-31 20:39:26,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-31 20:39:26,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-31 20:39:26,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 373 transitions. [2023-08-31 20:39:26,276 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4933862433862434 [2023-08-31 20:39:26,276 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 373 transitions. [2023-08-31 20:39:26,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 373 transitions. [2023-08-31 20:39:26,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:39:26,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 373 transitions. [2023-08-31 20:39:26,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 93.25) internal successors, (373), 4 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:26,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 189.0) internal successors, (945), 5 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:26,280 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 189.0) internal successors, (945), 5 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:26,281 INFO L175 Difference]: Start difference. First operand has 38 places, 28 transitions, 109 flow. Second operand 4 states and 373 transitions. [2023-08-31 20:39:26,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 22 transitions, 105 flow [2023-08-31 20:39:26,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 22 transitions, 84 flow, removed 3 selfloop flow, removed 6 redundant places. [2023-08-31 20:39:26,282 INFO L231 Difference]: Finished difference. Result has 31 places, 0 transitions, 0 flow [2023-08-31 20:39:26,282 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=31, PETRI_TRANSITIONS=0} [2023-08-31 20:39:26,283 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, -3 predicate places. [2023-08-31 20:39:26,283 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 0 transitions, 0 flow [2023-08-31 20:39:26,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.75) internal successors, (367), 4 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:39:26,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2023-08-31 20:39:26,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2023-08-31 20:39:26,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2023-08-31 20:39:26,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining) [2023-08-31 20:39:26,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2023-08-31 20:39:26,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2023-08-31 20:39:26,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2023-08-31 20:39:26,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2023-08-31 20:39:26,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2023-08-31 20:39:26,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2023-08-31 20:39:26,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 20:39:26,293 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-08-31 20:39:26,300 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 20:39:26,300 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 20:39:26,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 08:39:26 BasicIcfg [2023-08-31 20:39:26,308 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 20:39:26,309 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 20:39:26,309 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 20:39:26,309 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 20:39:26,310 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 08:39:21" (3/4) ... [2023-08-31 20:39:26,312 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 20:39:26,317 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-31 20:39:26,322 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-08-31 20:39:26,322 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 20:39:26,322 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 20:39:26,322 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 20:39:26,359 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 20:39:26,360 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 20:39:26,360 INFO L158 Benchmark]: Toolchain (without parser) took 5888.13ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 47.5MB in the beginning and 75.8MB in the end (delta: -28.3MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2023-08-31 20:39:26,361 INFO L158 Benchmark]: CDTParser took 0.18ms. 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. [2023-08-31 20:39:26,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.53ms. Allocated memory is still 71.3MB. Free memory was 47.4MB in the beginning and 45.1MB in the end (delta: 2.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-31 20:39:26,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.18ms. Allocated memory is still 71.3MB. Free memory was 45.0MB in the beginning and 42.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 20:39:26,361 INFO L158 Benchmark]: Boogie Preprocessor took 22.49ms. Allocated memory is still 71.3MB. Free memory was 42.9MB in the beginning and 41.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 20:39:26,362 INFO L158 Benchmark]: RCFGBuilder took 445.52ms. Allocated memory is still 71.3MB. Free memory was 41.2MB in the beginning and 46.7MB in the end (delta: -5.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-08-31 20:39:26,362 INFO L158 Benchmark]: TraceAbstraction took 4956.62ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 46.1MB in the beginning and 77.9MB in the end (delta: -31.9MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2023-08-31 20:39:26,362 INFO L158 Benchmark]: Witness Printer took 51.00ms. Allocated memory is still 109.1MB. Free memory was 77.9MB in the beginning and 75.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 20:39:26,365 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. 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 365.53ms. Allocated memory is still 71.3MB. Free memory was 47.4MB in the beginning and 45.1MB in the end (delta: 2.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.18ms. Allocated memory is still 71.3MB. Free memory was 45.0MB in the beginning and 42.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.49ms. Allocated memory is still 71.3MB. Free memory was 42.9MB in the beginning and 41.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 445.52ms. Allocated memory is still 71.3MB. Free memory was 41.2MB in the beginning and 46.7MB in the end (delta: -5.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4956.62ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 46.1MB in the beginning and 77.9MB in the end (delta: -31.9MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. * Witness Printer took 51.00ms. Allocated memory is still 109.1MB. Free memory was 77.9MB in the beginning and 75.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.2s, 96 PlacesBefore, 34 PlacesAfterwards, 95 TransitionsBefore, 32 TransitionsAfterwards, 1496 CoEnabledTransitionPairs, 8 FixpointIterations, 46 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 86 TotalNumberOfCompositions, 6203 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2213, independent: 1835, independent conditional: 0, independent unconditional: 1835, dependent: 378, dependent conditional: 0, dependent unconditional: 378, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 785, independent: 736, independent conditional: 0, independent unconditional: 736, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2213, independent: 1099, independent conditional: 0, independent unconditional: 1099, dependent: 329, dependent conditional: 0, dependent unconditional: 329, unknown: 785, unknown conditional: 0, unknown unconditional: 785] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 73, Positive conditional cache size: 0, Positive unconditional cache size: 73, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: 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, 136 locations, 10 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: 4.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 258 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 413 IncrementalHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 21 mSDtfsCounter, 413 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=6, InterpolantAutomatonStates: 21, 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, 0.5s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 143 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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! [2023-08-31 20:39:26,392 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