./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/lazy01.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e40023db-617e-4dab-8591-2a8503012f5c/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e40023db-617e-4dab-8591-2a8503012f5c/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e40023db-617e-4dab-8591-2a8503012f5c/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e40023db-617e-4dab-8591-2a8503012f5c/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/lazy01.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e40023db-617e-4dab-8591-2a8503012f5c/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e40023db-617e-4dab-8591-2a8503012f5c/bin/uautomizer-ZsLfNo2U6R --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 b5d87933b05ad3566f9bc28daac5c0aeceb8a45433a1cac3d51a8d34f7f284f0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:09:18,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:09:18,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:09:18,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:09:18,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:09:18,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:09:18,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:09:18,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:09:18,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:09:18,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:09:18,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:09:18,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:09:18,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:09:18,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:09:18,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:09:18,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:09:18,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:09:18,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:09:18,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:09:18,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:09:18,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:09:18,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:09:18,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:09:18,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:09:18,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:09:18,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:09:18,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:09:18,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:09:18,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:09:18,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:09:18,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:09:18,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:09:18,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:09:18,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:09:18,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:09:18,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:09:18,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:09:18,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:09:18,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:09:18,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:09:18,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:09:18,873 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e40023db-617e-4dab-8591-2a8503012f5c/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 17:09:18,923 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:09:18,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:09:18,926 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:09:18,927 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:09:18,928 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:09:18,928 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:09:18,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:09:18,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:09:18,930 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:09:18,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:09:18,932 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:09:18,932 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:09:18,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:09:18,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:09:18,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:09:18,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:09:18,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:09:18,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:09:18,934 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 17:09:18,934 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:09:18,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:09:18,935 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:09:18,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:09:18,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:09:18,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:09:18,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:09:18,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:09:18,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:09:18,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:09:18,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:09:18,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:09:18,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:09:18,939 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:09:18,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:09:18,940 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:09:18,940 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:09:18,941 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e40023db-617e-4dab-8591-2a8503012f5c/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e40023db-617e-4dab-8591-2a8503012f5c/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5d87933b05ad3566f9bc28daac5c0aeceb8a45433a1cac3d51a8d34f7f284f0 [2022-11-25 17:09:19,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:09:19,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:09:19,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:09:19,354 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:09:19,355 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:09:19,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e40023db-617e-4dab-8591-2a8503012f5c/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/pthread/lazy01.i [2022-11-25 17:09:22,945 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:09:23,286 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:09:23,293 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e40023db-617e-4dab-8591-2a8503012f5c/sv-benchmarks/c/pthread/lazy01.i [2022-11-25 17:09:23,319 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e40023db-617e-4dab-8591-2a8503012f5c/bin/uautomizer-ZsLfNo2U6R/data/06f493583/021484e445b9431fa82711f89b5a898b/FLAGd97c91c26 [2022-11-25 17:09:23,338 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e40023db-617e-4dab-8591-2a8503012f5c/bin/uautomizer-ZsLfNo2U6R/data/06f493583/021484e445b9431fa82711f89b5a898b [2022-11-25 17:09:23,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:09:23,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:09:23,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:09:23,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:09:23,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:09:23,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:09:23" (1/1) ... [2022-11-25 17:09:23,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cdff181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:23, skipping insertion in model container [2022-11-25 17:09:23,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:09:23" (1/1) ... [2022-11-25 17:09:23,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:09:23,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:09:23,912 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e40023db-617e-4dab-8591-2a8503012f5c/sv-benchmarks/c/pthread/lazy01.i[31042,31055] [2022-11-25 17:09:23,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:09:23,947 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:09:24,006 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e40023db-617e-4dab-8591-2a8503012f5c/sv-benchmarks/c/pthread/lazy01.i[31042,31055] [2022-11-25 17:09:24,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:09:24,079 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:09:24,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:24 WrapperNode [2022-11-25 17:09:24,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:09:24,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:09:24,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:09:24,082 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:09:24,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:24" (1/1) ... [2022-11-25 17:09:24,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:24" (1/1) ... [2022-11-25 17:09:24,137 INFO L138 Inliner]: procedures = 169, calls = 33, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 77 [2022-11-25 17:09:24,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:09:24,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:09:24,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:09:24,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:09:24,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:24" (1/1) ... [2022-11-25 17:09:24,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:24" (1/1) ... [2022-11-25 17:09:24,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:24" (1/1) ... [2022-11-25 17:09:24,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:24" (1/1) ... [2022-11-25 17:09:24,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:24" (1/1) ... [2022-11-25 17:09:24,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:24" (1/1) ... [2022-11-25 17:09:24,196 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:24" (1/1) ... [2022-11-25 17:09:24,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:24" (1/1) ... [2022-11-25 17:09:24,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:09:24,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:09:24,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:09:24,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:09:24,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:24" (1/1) ... [2022-11-25 17:09:24,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:09:24,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e40023db-617e-4dab-8591-2a8503012f5c/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:09:24,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e40023db-617e-4dab-8591-2a8503012f5c/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:09:24,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e40023db-617e-4dab-8591-2a8503012f5c/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:09:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:09:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-25 17:09:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-25 17:09:24,337 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-25 17:09:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-25 17:09:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-25 17:09:24,338 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-25 17:09:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:09:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 17:09:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:09:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:09:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:09:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:09:24,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:09:24,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:09:24,342 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 17:09:24,608 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:09:24,611 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:09:25,166 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:09:25,176 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:09:25,177 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:09:25,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:09:25 BoogieIcfgContainer [2022-11-25 17:09:25,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:09:25,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:09:25,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:09:25,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:09:25,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:09:23" (1/3) ... [2022-11-25 17:09:25,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@630ab7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:09:25, skipping insertion in model container [2022-11-25 17:09:25,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:24" (2/3) ... [2022-11-25 17:09:25,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@630ab7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:09:25, skipping insertion in model container [2022-11-25 17:09:25,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:09:25" (3/3) ... [2022-11-25 17:09:25,191 INFO L112 eAbstractionObserver]: Analyzing ICFG lazy01.i [2022-11-25 17:09:25,202 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 17:09:25,217 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:09:25,217 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-25 17:09:25,217 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 17:09:25,320 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-25 17:09:25,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 136 places, 127 transitions, 278 flow [2022-11-25 17:09:25,455 INFO L130 PetriNetUnfolder]: 1/124 cut-off events. [2022-11-25 17:09:25,455 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-25 17:09:25,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 124 events. 1/124 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 153 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2022-11-25 17:09:25,463 INFO L82 GeneralOperation]: Start removeDead. Operand has 136 places, 127 transitions, 278 flow [2022-11-25 17:09:25,469 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 121 places, 112 transitions, 239 flow [2022-11-25 17:09:25,474 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 17:09:25,494 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 112 transitions, 239 flow [2022-11-25 17:09:25,498 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 112 transitions, 239 flow [2022-11-25 17:09:25,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 121 places, 112 transitions, 239 flow [2022-11-25 17:09:25,540 INFO L130 PetriNetUnfolder]: 1/112 cut-off events. [2022-11-25 17:09:25,540 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-25 17:09:25,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 112 events. 1/112 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 154 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2022-11-25 17:09:25,545 INFO L119 LiptonReduction]: Number of co-enabled transitions 3478 [2022-11-25 17:09:30,840 INFO L134 LiptonReduction]: Checked pairs total: 11791 [2022-11-25 17:09:30,840 INFO L136 LiptonReduction]: Total number of compositions: 84 [2022-11-25 17:09:30,862 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:09:30,871 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;@59c0e218, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:09:30,871 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-11-25 17:09:30,876 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2022-11-25 17:09:30,876 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:09:30,876 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 17:09:30,877 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 17:09:30,878 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-25 17:09:30,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:09:30,885 INFO L85 PathProgramCache]: Analyzing trace with hash 400070170, now seen corresponding path program 1 times [2022-11-25 17:09:30,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:09:30,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192257353] [2022-11-25 17:09:30,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:09:30,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:09:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:31,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:09:31,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:09:31,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192257353] [2022-11-25 17:09:31,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192257353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:09:31,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:09:31,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:09:31,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84833791] [2022-11-25 17:09:31,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:09:31,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:09:31,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:09:31,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:09:31,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:09:31,362 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 211 [2022-11-25 17:09:31,368 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 95 flow. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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) [2022-11-25 17:09:31,368 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 17:09:31,369 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 211 [2022-11-25 17:09:31,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 17:09:32,099 INFO L130 PetriNetUnfolder]: 2190/3719 cut-off events. [2022-11-25 17:09:32,099 INFO L131 PetriNetUnfolder]: For 257/257 co-relation queries the response was YES. [2022-11-25 17:09:32,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7373 conditions, 3719 events. 2190/3719 cut-off events. For 257/257 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 22510 event pairs, 907 based on Foata normal form. 0/3477 useless extension candidates. Maximal degree in co-relation 6342. Up to 1865 conditions per place. [2022-11-25 17:09:32,139 INFO L137 encePairwiseOnDemand]: 196/211 looper letters, 45 selfloop transitions, 8 changer transitions 2/61 dead transitions. [2022-11-25 17:09:32,139 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 61 transitions, 259 flow [2022-11-25 17:09:32,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:09:32,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 17:09:32,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 390 transitions. [2022-11-25 17:09:32,234 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6161137440758294 [2022-11-25 17:09:32,235 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 390 transitions. [2022-11-25 17:09:32,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 390 transitions. [2022-11-25 17:09:32,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:09:32,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 390 transitions. [2022-11-25 17:09:32,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 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) [2022-11-25 17:09:32,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 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) [2022-11-25 17:09:32,263 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 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) [2022-11-25 17:09:32,266 INFO L175 Difference]: Start difference. First operand has 49 places, 40 transitions, 95 flow. Second operand 3 states and 390 transitions. [2022-11-25 17:09:32,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 61 transitions, 259 flow [2022-11-25 17:09:32,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 61 transitions, 243 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-25 17:09:32,295 INFO L231 Difference]: Finished difference. Result has 45 places, 44 transitions, 148 flow [2022-11-25 17:09:32,298 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=45, PETRI_TRANSITIONS=44} [2022-11-25 17:09:32,311 INFO L288 CegarLoopForPetriNet]: 49 programPoint places, -4 predicate places. [2022-11-25 17:09:32,312 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 44 transitions, 148 flow [2022-11-25 17:09:32,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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) [2022-11-25 17:09:32,314 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 17:09:32,314 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:09:32,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:09:32,316 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-25 17:09:32,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:09:32,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1349208302, now seen corresponding path program 1 times [2022-11-25 17:09:32,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:09:32,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614332353] [2022-11-25 17:09:32,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:09:32,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:09:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:32,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:09:32,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:09:32,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614332353] [2022-11-25 17:09:32,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614332353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:09:32,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:09:32,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:09:32,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028454889] [2022-11-25 17:09:32,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:09:32,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:09:32,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:09:32,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:09:32,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:09:32,546 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 211 [2022-11-25 17:09:32,547 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 44 transitions, 148 flow. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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) [2022-11-25 17:09:32,548 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 17:09:32,548 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 211 [2022-11-25 17:09:32,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 17:09:33,140 INFO L130 PetriNetUnfolder]: 1944/3589 cut-off events. [2022-11-25 17:09:33,141 INFO L131 PetriNetUnfolder]: For 1265/1299 co-relation queries the response was YES. [2022-11-25 17:09:33,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8251 conditions, 3589 events. 1944/3589 cut-off events. For 1265/1299 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 24475 event pairs, 1067 based on Foata normal form. 2/3254 useless extension candidates. Maximal degree in co-relation 4252. Up to 2226 conditions per place. [2022-11-25 17:09:33,173 INFO L137 encePairwiseOnDemand]: 204/211 looper letters, 38 selfloop transitions, 10 changer transitions 0/62 dead transitions. [2022-11-25 17:09:33,173 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 62 transitions, 301 flow [2022-11-25 17:09:33,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:09:33,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 17:09:33,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 371 transitions. [2022-11-25 17:09:33,177 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5860979462875198 [2022-11-25 17:09:33,178 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 371 transitions. [2022-11-25 17:09:33,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 371 transitions. [2022-11-25 17:09:33,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:09:33,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 371 transitions. [2022-11-25 17:09:33,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 123.66666666666667) internal successors, (371), 3 states have internal predecessors, (371), 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) [2022-11-25 17:09:33,183 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 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) [2022-11-25 17:09:33,184 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 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) [2022-11-25 17:09:33,185 INFO L175 Difference]: Start difference. First operand has 45 places, 44 transitions, 148 flow. Second operand 3 states and 371 transitions. [2022-11-25 17:09:33,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 62 transitions, 301 flow [2022-11-25 17:09:33,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 62 transitions, 279 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-25 17:09:33,198 INFO L231 Difference]: Finished difference. Result has 47 places, 52 transitions, 218 flow [2022-11-25 17:09:33,199 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=47, PETRI_TRANSITIONS=52} [2022-11-25 17:09:33,203 INFO L288 CegarLoopForPetriNet]: 49 programPoint places, -2 predicate places. [2022-11-25 17:09:33,204 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 52 transitions, 218 flow [2022-11-25 17:09:33,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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) [2022-11-25 17:09:33,205 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 17:09:33,205 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:09:33,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:09:33,205 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-25 17:09:33,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:09:33,206 INFO L85 PathProgramCache]: Analyzing trace with hash 2100032818, now seen corresponding path program 1 times [2022-11-25 17:09:33,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:09:33,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313884345] [2022-11-25 17:09:33,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:09:33,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:09:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:33,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:09:33,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:09:33,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313884345] [2022-11-25 17:09:33,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313884345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:09:33,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:09:33,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:09:33,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298633283] [2022-11-25 17:09:33,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:09:33,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:09:33,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:09:33,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:09:33,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:09:33,354 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 211 [2022-11-25 17:09:33,355 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 52 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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) [2022-11-25 17:09:33,355 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 17:09:33,356 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 211 [2022-11-25 17:09:33,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 17:09:34,080 INFO L130 PetriNetUnfolder]: 2719/4743 cut-off events. [2022-11-25 17:09:34,081 INFO L131 PetriNetUnfolder]: For 3252/3358 co-relation queries the response was YES. [2022-11-25 17:09:34,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12408 conditions, 4743 events. 2719/4743 cut-off events. For 3252/3358 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 31633 event pairs, 1333 based on Foata normal form. 2/4299 useless extension candidates. Maximal degree in co-relation 6716. Up to 3156 conditions per place. [2022-11-25 17:09:34,122 INFO L137 encePairwiseOnDemand]: 204/211 looper letters, 47 selfloop transitions, 13 changer transitions 0/73 dead transitions. [2022-11-25 17:09:34,122 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 73 transitions, 425 flow [2022-11-25 17:09:34,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:09:34,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 17:09:34,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 372 transitions. [2022-11-25 17:09:34,125 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5876777251184834 [2022-11-25 17:09:34,125 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 372 transitions. [2022-11-25 17:09:34,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 372 transitions. [2022-11-25 17:09:34,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:09:34,126 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 372 transitions. [2022-11-25 17:09:34,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 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) [2022-11-25 17:09:34,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 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) [2022-11-25 17:09:34,131 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 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) [2022-11-25 17:09:34,131 INFO L175 Difference]: Start difference. First operand has 47 places, 52 transitions, 218 flow. Second operand 3 states and 372 transitions. [2022-11-25 17:09:34,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 73 transitions, 425 flow [2022-11-25 17:09:34,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 73 transitions, 395 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-25 17:09:34,151 INFO L231 Difference]: Finished difference. Result has 49 places, 61 transitions, 312 flow [2022-11-25 17:09:34,151 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=312, PETRI_PLACES=49, PETRI_TRANSITIONS=61} [2022-11-25 17:09:34,152 INFO L288 CegarLoopForPetriNet]: 49 programPoint places, 0 predicate places. [2022-11-25 17:09:34,152 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 61 transitions, 312 flow [2022-11-25 17:09:34,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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) [2022-11-25 17:09:34,153 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 17:09:34,153 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:09:34,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:09:34,154 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2022-11-25 17:09:34,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:09:34,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1923307423, now seen corresponding path program 1 times [2022-11-25 17:09:34,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:09:34,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963707308] [2022-11-25 17:09:34,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:09:34,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:09:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:34,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:09:34,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:09:34,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963707308] [2022-11-25 17:09:34,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963707308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:09:34,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:09:34,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:09:34,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069582916] [2022-11-25 17:09:34,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:09:34,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:09:34,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:09:34,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:09:34,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:09:34,308 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 211 [2022-11-25 17:09:34,309 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 61 transitions, 312 flow. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2022-11-25 17:09:34,310 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 17:09:34,310 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 211 [2022-11-25 17:09:34,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 17:09:34,463 INFO L130 PetriNetUnfolder]: 128/437 cut-off events. [2022-11-25 17:09:34,464 INFO L131 PetriNetUnfolder]: For 288/288 co-relation queries the response was YES. [2022-11-25 17:09:34,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1121 conditions, 437 events. 128/437 cut-off events. For 288/288 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2188 event pairs, 34 based on Foata normal form. 84/521 useless extension candidates. Maximal degree in co-relation 591. Up to 212 conditions per place. [2022-11-25 17:09:34,466 INFO L137 encePairwiseOnDemand]: 205/211 looper letters, 0 selfloop transitions, 0 changer transitions 42/42 dead transitions. [2022-11-25 17:09:34,467 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 42 transitions, 211 flow [2022-11-25 17:09:34,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:09:34,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 17:09:34,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2022-11-25 17:09:34,469 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5797788309636651 [2022-11-25 17:09:34,470 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2022-11-25 17:09:34,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2022-11-25 17:09:34,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:09:34,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2022-11-25 17:09:34,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 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) [2022-11-25 17:09:34,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 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) [2022-11-25 17:09:34,475 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 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) [2022-11-25 17:09:34,475 INFO L175 Difference]: Start difference. First operand has 49 places, 61 transitions, 312 flow. Second operand 3 states and 367 transitions. [2022-11-25 17:09:34,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 42 transitions, 211 flow [2022-11-25 17:09:34,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 42 transitions, 173 flow, removed 13 selfloop flow, removed 6 redundant places. [2022-11-25 17:09:34,478 INFO L231 Difference]: Finished difference. Result has 40 places, 0 transitions, 0 flow [2022-11-25 17:09:34,479 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=40, PETRI_TRANSITIONS=0} [2022-11-25 17:09:34,480 INFO L288 CegarLoopForPetriNet]: 49 programPoint places, -9 predicate places. [2022-11-25 17:09:34,480 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 0 transitions, 0 flow [2022-11-25 17:09:34,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2022-11-25 17:09:34,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 16 remaining) [2022-11-25 17:09:34,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2022-11-25 17:09:34,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2022-11-25 17:09:34,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining) [2022-11-25 17:09:34,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining) [2022-11-25 17:09:34,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2022-11-25 17:09:34,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2022-11-25 17:09:34,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 16 remaining) [2022-11-25 17:09:34,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 16 remaining) [2022-11-25 17:09:34,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 16 remaining) [2022-11-25 17:09:34,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 16 remaining) [2022-11-25 17:09:34,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2022-11-25 17:09:34,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2022-11-25 17:09:34,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2022-11-25 17:09:34,489 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2022-11-25 17:09:34,489 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2022-11-25 17:09:34,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 17:09:34,490 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-25 17:09:34,496 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 17:09:34,497 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:09:34,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:09:34 BasicIcfg [2022-11-25 17:09:34,502 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:09:34,503 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:09:34,503 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:09:34,503 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:09:34,504 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:09:25" (3/4) ... [2022-11-25 17:09:34,507 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 17:09:34,515 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-25 17:09:34,515 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-25 17:09:34,515 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-25 17:09:34,520 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-25 17:09:34,520 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 17:09:34,521 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 17:09:34,521 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:09:34,565 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e40023db-617e-4dab-8591-2a8503012f5c/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:09:34,566 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:09:34,566 INFO L158 Benchmark]: Toolchain (without parser) took 11222.69ms. Allocated memory was 144.7MB in the beginning and 228.6MB in the end (delta: 83.9MB). Free memory was 84.9MB in the beginning and 107.6MB in the end (delta: -22.6MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2022-11-25 17:09:34,571 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:09:34,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 734.40ms. Allocated memory is still 144.7MB. Free memory was 84.9MB in the beginning and 65.3MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 17:09:34,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.75ms. Allocated memory is still 144.7MB. Free memory was 65.3MB in the beginning and 63.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:09:34,572 INFO L158 Benchmark]: Boogie Preprocessor took 69.58ms. Allocated memory is still 144.7MB. Free memory was 63.0MB in the beginning and 60.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:09:34,573 INFO L158 Benchmark]: RCFGBuilder took 970.96ms. Allocated memory is still 144.7MB. Free memory was 60.9MB in the beginning and 111.1MB in the end (delta: -50.3MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2022-11-25 17:09:34,573 INFO L158 Benchmark]: TraceAbstraction took 9319.72ms. Allocated memory was 144.7MB in the beginning and 228.6MB in the end (delta: 83.9MB). Free memory was 110.3MB in the beginning and 110.7MB in the end (delta: -459.7kB). Peak memory consumption was 82.0MB. Max. memory is 16.1GB. [2022-11-25 17:09:34,574 INFO L158 Benchmark]: Witness Printer took 63.05ms. Allocated memory is still 228.6MB. Free memory was 110.7MB in the beginning and 107.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:09:34,578 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 734.40ms. Allocated memory is still 144.7MB. Free memory was 84.9MB in the beginning and 65.3MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.75ms. Allocated memory is still 144.7MB. Free memory was 65.3MB in the beginning and 63.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.58ms. Allocated memory is still 144.7MB. Free memory was 63.0MB in the beginning and 60.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 970.96ms. Allocated memory is still 144.7MB. Free memory was 60.9MB in the beginning and 111.1MB in the end (delta: -50.3MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * TraceAbstraction took 9319.72ms. Allocated memory was 144.7MB in the beginning and 228.6MB in the end (delta: 83.9MB). Free memory was 110.3MB in the beginning and 110.7MB in the end (delta: -459.7kB). Peak memory consumption was 82.0MB. Max. memory is 16.1GB. * Witness Printer took 63.05ms. Allocated memory is still 228.6MB. Free memory was 110.7MB in the beginning and 107.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.3s, 121 PlacesBefore, 49 PlacesAfterwards, 112 TransitionsBefore, 40 TransitionsAfterwards, 3478 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 84 TotalNumberOfCompositions, 11791 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5125, independent: 4819, independent conditional: 0, independent unconditional: 4819, dependent: 306, dependent conditional: 0, dependent unconditional: 306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2381, independent: 2323, independent conditional: 0, independent unconditional: 2323, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2381, independent: 2247, independent conditional: 0, independent unconditional: 2247, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 134, independent: 76, independent conditional: 0, independent unconditional: 76, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 249, independent: 135, independent conditional: 0, independent unconditional: 135, dependent: 114, dependent conditional: 0, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5125, independent: 2496, independent conditional: 0, independent unconditional: 2496, dependent: 248, dependent conditional: 0, dependent unconditional: 248, unknown: 2381, unknown conditional: 0, unknown unconditional: 2381] , Statistics on independence cache: Total cache size (in pairs): 457, Positive cache size: 425, Positive conditional cache size: 0, Positive unconditional cache size: 425, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: 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 7 procedures, 177 locations, 16 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: 9.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 174 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 311 IncrementalHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 18 mSDtfsCounter, 311 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=312occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 62 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-25 17:09:34,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e40023db-617e-4dab-8591-2a8503012f5c/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE