./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.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 116240ce9d1e33454ba4eae840c2d7b67606f3cd4ffa1a06798f06dcbc1241fc --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 15:53:50,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 15:53:50,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 15:53:50,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 15:53:50,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 15:53:50,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 15:53:50,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 15:53:50,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 15:53:50,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 15:53:50,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 15:53:50,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 15:53:50,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 15:53:50,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 15:53:50,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 15:53:50,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 15:53:50,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 15:53:50,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 15:53:50,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 15:53:50,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 15:53:50,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 15:53:50,908 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 15:53:50,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 15:53:50,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 15:53:50,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 15:53:50,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 15:53:50,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 15:53:50,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 15:53:50,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 15:53:50,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 15:53:50,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 15:53:50,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 15:53:50,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 15:53:50,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 15:53:50,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 15:53:50,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 15:53:50,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 15:53:50,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 15:53:50,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 15:53:50,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 15:53:50,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 15:53:50,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 15:53:50,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 15:53:50,941 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 15:53:50,971 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 15:53:50,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 15:53:50,972 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 15:53:50,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 15:53:50,972 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 15:53:50,973 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 15:53:50,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 15:53:50,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 15:53:50,973 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 15:53:50,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 15:53:50,975 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 15:53:50,975 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 15:53:50,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 15:53:50,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 15:53:50,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 15:53:50,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 15:53:50,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 15:53:50,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 15:53:50,976 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 15:53:50,977 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 15:53:50,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 15:53:50,977 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 15:53:50,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 15:53:50,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 15:53:50,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 15:53:50,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 15:53:50,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 15:53:50,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 15:53:50,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 15:53:50,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 15:53:50,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 15:53:50,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 15:53:50,980 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 15:53:50,980 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 15:53:50,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 15:53:50,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 116240ce9d1e33454ba4eae840c2d7b67606f3cd4ffa1a06798f06dcbc1241fc [2022-04-18 15:53:51,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 15:53:51,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 15:53:51,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 15:53:51,264 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 15:53:51,264 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 15:53:51,265 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i [2022-04-18 15:53:51,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53d794e1a/b90cf783237e4b8c91bbdbad34f990ef/FLAG51c2b166d [2022-04-18 15:53:51,860 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 15:53:51,861 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i [2022-04-18 15:53:51,879 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53d794e1a/b90cf783237e4b8c91bbdbad34f990ef/FLAG51c2b166d [2022-04-18 15:53:52,168 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53d794e1a/b90cf783237e4b8c91bbdbad34f990ef [2022-04-18 15:53:52,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 15:53:52,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 15:53:52,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 15:53:52,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 15:53:52,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 15:53:52,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:53:52" (1/1) ... [2022-04-18 15:53:52,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd87d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:53:52, skipping insertion in model container [2022-04-18 15:53:52,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:53:52" (1/1) ... [2022-04-18 15:53:52,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 15:53:52,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 15:53:52,401 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-04-18 15:53:52,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[30484,30497] [2022-04-18 15:53:52,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[31858,31871] [2022-04-18 15:53:52,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[31909,31922] [2022-04-18 15:53:52,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32058,32071] [2022-04-18 15:53:52,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32135,32148] [2022-04-18 15:53:52,676 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32182,32195] [2022-04-18 15:53:52,681 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32291,32304] [2022-04-18 15:53:52,683 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32410,32423] [2022-04-18 15:53:52,686 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32458,32471] [2022-04-18 15:53:52,687 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32535,32548] [2022-04-18 15:53:52,688 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32661,32674] [2022-04-18 15:53:52,703 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[33244,33257] [2022-04-18 15:53:52,705 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[33321,33334] [2022-04-18 15:53:52,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 15:53:52,718 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 15:53:52,731 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-04-18 15:53:52,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[30484,30497] [2022-04-18 15:53:52,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[31858,31871] [2022-04-18 15:53:52,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[31909,31922] [2022-04-18 15:53:52,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32058,32071] [2022-04-18 15:53:52,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32135,32148] [2022-04-18 15:53:52,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32182,32195] [2022-04-18 15:53:52,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32291,32304] [2022-04-18 15:53:52,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32410,32423] [2022-04-18 15:53:52,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32458,32471] [2022-04-18 15:53:52,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32535,32548] [2022-04-18 15:53:52,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32661,32674] [2022-04-18 15:53:52,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[33244,33257] [2022-04-18 15:53:52,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[33321,33334] [2022-04-18 15:53:52,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 15:53:52,853 INFO L208 MainTranslator]: Completed translation [2022-04-18 15:53:52,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:53:52 WrapperNode [2022-04-18 15:53:52,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 15:53:52,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 15:53:52,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 15:53:52,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 15:53:52,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:53:52" (1/1) ... [2022-04-18 15:53:52,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:53:52" (1/1) ... [2022-04-18 15:53:52,937 INFO L137 Inliner]: procedures = 174, calls = 83, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 955 [2022-04-18 15:53:52,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 15:53:52,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 15:53:52,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 15:53:52,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 15:53:52,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:53:52" (1/1) ... [2022-04-18 15:53:52,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:53:52" (1/1) ... [2022-04-18 15:53:52,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:53:52" (1/1) ... [2022-04-18 15:53:52,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:53:52" (1/1) ... [2022-04-18 15:53:53,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:53:52" (1/1) ... [2022-04-18 15:53:53,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:53:52" (1/1) ... [2022-04-18 15:53:53,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:53:52" (1/1) ... [2022-04-18 15:53:53,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 15:53:53,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 15:53:53,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 15:53:53,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 15:53:53,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:53:52" (1/1) ... [2022-04-18 15:53:53,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 15:53:53,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 15:53:53,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 15:53:53,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 15:53:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 15:53:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 15:53:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-04-18 15:53:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure worker_fn [2022-04-18 15:53:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_fn [2022-04-18 15:53:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 15:53:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-18 15:53:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 15:53:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-18 15:53:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 15:53:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 15:53:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 15:53:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 15:53:53,150 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 15:53:53,352 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 15:53:53,354 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 15:53:54,577 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 15:53:54,589 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 15:53:54,590 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2022-04-18 15:53:54,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:53:54 BoogieIcfgContainer [2022-04-18 15:53:54,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 15:53:54,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 15:53:54,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 15:53:54,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 15:53:54,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 03:53:52" (1/3) ... [2022-04-18 15:53:54,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@982d988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:53:54, skipping insertion in model container [2022-04-18 15:53:54,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:53:52" (2/3) ... [2022-04-18 15:53:54,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@982d988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:53:54, skipping insertion in model container [2022-04-18 15:53:54,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:53:54" (3/3) ... [2022-04-18 15:53:54,601 INFO L111 eAbstractionObserver]: Analyzing ICFG barrier_3t.i [2022-04-18 15:53:54,605 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 15:53:54,606 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 15:53:54,606 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 98 error locations. [2022-04-18 15:53:54,606 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 15:53:54,753 INFO L135 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-04-18 15:53:54,796 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 15:53:54,802 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-18 15:53:54,802 INFO L341 AbstractCegarLoop]: Starting to check reachability of 143 error locations. [2022-04-18 15:53:54,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1023 places, 1090 transitions, 2188 flow [2022-04-18 15:53:55,564 INFO L129 PetriNetUnfolder]: 106/1598 cut-off events. [2022-04-18 15:53:55,564 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-04-18 15:53:55,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1604 conditions, 1598 events. 106/1598 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 6069 event pairs, 0 based on Foata normal form. 0/1344 useless extension candidates. Maximal degree in co-relation 964. Up to 4 conditions per place. [2022-04-18 15:53:55,620 INFO L82 GeneralOperation]: Start removeDead. Operand has 1023 places, 1090 transitions, 2188 flow [2022-04-18 15:53:55,654 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1023 places, 1090 transitions, 2188 flow [2022-04-18 15:53:55,662 INFO L129 PetriNetUnfolder]: 2/58 cut-off events. [2022-04-18 15:53:55,662 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 15:53:55,663 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:53:55,663 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:53:55,664 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2022-04-18 15:53:55,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:53:55,669 INFO L85 PathProgramCache]: Analyzing trace with hash -47129527, now seen corresponding path program 1 times [2022-04-18 15:53:55,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:53:55,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447998922] [2022-04-18 15:53:55,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:53:55,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:53:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:53:56,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:53:56,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:53:56,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447998922] [2022-04-18 15:53:56,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447998922] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:53:56,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:53:56,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 15:53:56,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830192042] [2022-04-18 15:53:56,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:53:56,093 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 15:53:56,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:53:56,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 15:53:56,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 15:53:56,139 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 589 out of 1090 [2022-04-18 15:53:56,149 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1023 places, 1090 transitions, 2188 flow. Second operand has 6 states, 6 states have (on average 590.8333333333334) internal successors, (3545), 6 states have internal predecessors, (3545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:53:56,150 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:53:56,150 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 589 of 1090 [2022-04-18 15:53:56,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:54:23,912 INFO L129 PetriNetUnfolder]: 46311/142404 cut-off events. [2022-04-18 15:54:23,913 INFO L130 PetriNetUnfolder]: For 10/15 co-relation queries the response was YES. [2022-04-18 15:54:24,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 227528 conditions, 142404 events. 46311/142404 cut-off events. For 10/15 co-relation queries the response was YES. Maximal size of possible extension queue 615. Compared 1600260 event pairs, 40950 based on Foata normal form. 10095/127437 useless extension candidates. Maximal degree in co-relation 226648. Up to 85112 conditions per place. [2022-04-18 15:54:24,901 INFO L132 encePairwiseOnDemand]: 1041/1090 looper letters, 452 selfloop transitions, 5 changer transitions 1/1046 dead transitions. [2022-04-18 15:54:24,902 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1027 places, 1046 transitions, 3014 flow [2022-04-18 15:54:24,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 15:54:24,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 15:54:24,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4035 transitions. [2022-04-18 15:54:24,932 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.6169724770642202 [2022-04-18 15:54:24,933 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4035 transitions. [2022-04-18 15:54:24,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4035 transitions. [2022-04-18 15:54:24,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:54:24,943 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4035 transitions. [2022-04-18 15:54:24,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 672.5) internal successors, (4035), 6 states have internal predecessors, (4035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:54:24,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1090.0) internal successors, (7630), 7 states have internal predecessors, (7630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:54:24,990 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1090.0) internal successors, (7630), 7 states have internal predecessors, (7630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:54:24,993 INFO L186 Difference]: Start difference. First operand has 1023 places, 1090 transitions, 2188 flow. Second operand 6 states and 4035 transitions. [2022-04-18 15:54:24,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1027 places, 1046 transitions, 3014 flow [2022-04-18 15:54:25,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1027 places, 1046 transitions, 3014 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 15:54:25,040 INFO L242 Difference]: Finished difference. Result has 1027 places, 1045 transitions, 2108 flow [2022-04-18 15:54:25,045 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=1090, PETRI_DIFFERENCE_MINUEND_FLOW=2100, PETRI_DIFFERENCE_MINUEND_PLACES=1022, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1046, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1041, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2108, PETRI_PLACES=1027, PETRI_TRANSITIONS=1045} [2022-04-18 15:54:25,049 INFO L335 CegarLoopForPetriNet]: 1023 programPoint places, 4 predicate places. [2022-04-18 15:54:25,049 INFO L478 AbstractCegarLoop]: Abstraction has has 1027 places, 1045 transitions, 2108 flow [2022-04-18 15:54:25,052 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 590.8333333333334) internal successors, (3545), 6 states have internal predecessors, (3545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:54:25,057 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:54:25,058 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:54:25,058 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 15:54:25,058 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2022-04-18 15:54:25,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:54:25,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1521546570, now seen corresponding path program 1 times [2022-04-18 15:54:25,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:54:25,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234510673] [2022-04-18 15:54:25,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:54:25,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:54:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:54:25,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:54:25,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:54:25,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234510673] [2022-04-18 15:54:25,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234510673] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:54:25,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:54:25,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 15:54:25,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398781741] [2022-04-18 15:54:25,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:54:25,137 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:54:25,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:54:25,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:54:25,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:54:25,142 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 1018 out of 1090 [2022-04-18 15:54:25,146 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1027 places, 1045 transitions, 2108 flow. Second operand has 3 states, 3 states have (on average 1019.0) internal successors, (3057), 3 states have internal predecessors, (3057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:54:25,146 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:54:25,147 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1018 of 1090 [2022-04-18 15:54:25,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:54:25,675 INFO L129 PetriNetUnfolder]: 40/1559 cut-off events. [2022-04-18 15:54:25,675 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-04-18 15:54:25,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1628 conditions, 1559 events. 40/1559 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 5744 event pairs, 0 based on Foata normal form. 0/1336 useless extension candidates. Maximal degree in co-relation 1508. Up to 29 conditions per place. [2022-04-18 15:54:25,738 INFO L132 encePairwiseOnDemand]: 1087/1090 looper letters, 49 selfloop transitions, 2 changer transitions 0/1068 dead transitions. [2022-04-18 15:54:25,739 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1028 places, 1068 transitions, 2264 flow [2022-04-18 15:54:25,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 15:54:25,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 15:54:25,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3106 transitions. [2022-04-18 15:54:25,746 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.9498470948012232 [2022-04-18 15:54:25,746 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3106 transitions. [2022-04-18 15:54:25,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3106 transitions. [2022-04-18 15:54:25,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:54:25,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3106 transitions. [2022-04-18 15:54:25,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1035.3333333333333) internal successors, (3106), 3 states have internal predecessors, (3106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:54:25,762 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1090.0) internal successors, (4360), 4 states have internal predecessors, (4360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:54:25,765 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1090.0) internal successors, (4360), 4 states have internal predecessors, (4360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:54:25,765 INFO L186 Difference]: Start difference. First operand has 1027 places, 1045 transitions, 2108 flow. Second operand 3 states and 3106 transitions. [2022-04-18 15:54:25,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1028 places, 1068 transitions, 2264 flow [2022-04-18 15:54:25,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1023 places, 1068 transitions, 2246 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-04-18 15:54:25,791 INFO L242 Difference]: Finished difference. Result has 1024 places, 1046 transitions, 2110 flow [2022-04-18 15:54:25,793 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=1090, PETRI_DIFFERENCE_MINUEND_FLOW=2098, PETRI_DIFFERENCE_MINUEND_PLACES=1021, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1045, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1043, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2110, PETRI_PLACES=1024, PETRI_TRANSITIONS=1046} [2022-04-18 15:54:25,794 INFO L335 CegarLoopForPetriNet]: 1023 programPoint places, 1 predicate places. [2022-04-18 15:54:25,794 INFO L478 AbstractCegarLoop]: Abstraction has has 1024 places, 1046 transitions, 2110 flow [2022-04-18 15:54:25,797 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1019.0) internal successors, (3057), 3 states have internal predecessors, (3057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:54:25,797 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:54:25,797 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 15:54:25,798 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 15:54:25,798 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2022-04-18 15:54:25,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:54:25,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1890372533, now seen corresponding path program 1 times [2022-04-18 15:54:25,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:54:25,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119507275] [2022-04-18 15:54:25,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:54:25,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:54:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:54:25,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 15:54:25,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:54:25,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119507275] [2022-04-18 15:54:25,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119507275] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:54:25,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:54:25,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 15:54:25,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505348404] [2022-04-18 15:54:25,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:54:25,961 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 15:54:25,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:54:25,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 15:54:25,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 15:54:25,967 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 589 out of 1090 [2022-04-18 15:54:25,971 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1024 places, 1046 transitions, 2110 flow. Second operand has 6 states, 6 states have (on average 591.8333333333334) internal successors, (3551), 6 states have internal predecessors, (3551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 15:54:25,971 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:54:25,971 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 589 of 1090 [2022-04-18 15:54:25,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand