./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_1e6eba22-81b6-4fb0-973e-6e3bba2ba7b3/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6eba22-81b6-4fb0-973e-6e3bba2ba7b3/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6eba22-81b6-4fb0-973e-6e3bba2ba7b3/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6eba22-81b6-4fb0-973e-6e3bba2ba7b3/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6eba22-81b6-4fb0-973e-6e3bba2ba7b3/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6eba22-81b6-4fb0-973e-6e3bba2ba7b3/bin/uautomizer-Dbtcem3rbc --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 9eb5d9094342cfaa74d8ea4903febd735be5757c093d69b0f8dbb2a26886fda6 --- 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-5e519f3 [2022-11-02 20:15:22,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:15:22,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:15:22,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:15:22,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:15:22,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:15:22,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:15:22,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:15:22,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:15:22,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:15:22,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:15:22,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:15:22,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:15:22,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:15:22,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:15:22,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:15:22,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:15:22,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:15:22,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:15:22,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:15:22,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:15:22,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:15:22,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:15:22,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:15:22,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:15:22,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:15:22,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:15:22,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:15:22,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:15:22,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:15:22,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:15:22,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:15:22,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:15:22,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:15:22,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:15:22,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:15:22,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:15:22,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:15:22,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:15:22,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:15:22,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:15:22,728 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6eba22-81b6-4fb0-973e-6e3bba2ba7b3/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 20:15:22,757 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:15:22,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:15:22,758 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:15:22,758 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:15:22,759 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:15:22,760 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:15:22,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:15:22,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:15:22,761 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:15:22,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:15:22,762 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:15:22,762 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:15:22,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:15:22,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:15:22,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:15:22,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:15:22,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:15:22,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:15:22,765 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 20:15:22,765 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:15:22,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:15:22,766 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:15:22,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:15:22,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:15:22,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:15:22,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:15:22,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:15:22,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:15:22,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:15:22,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:15:22,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:15:22,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:15:22,769 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:15:22,769 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:15:22,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:15:22,770 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6eba22-81b6-4fb0-973e-6e3bba2ba7b3/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6eba22-81b6-4fb0-973e-6e3bba2ba7b3/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9eb5d9094342cfaa74d8ea4903febd735be5757c093d69b0f8dbb2a26886fda6 [2022-11-02 20:15:23,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:15:23,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:15:23,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:15:23,166 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:15:23,167 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:15:23,169 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6eba22-81b6-4fb0-973e-6e3bba2ba7b3/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c [2022-11-02 20:15:23,269 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6eba22-81b6-4fb0-973e-6e3bba2ba7b3/bin/uautomizer-Dbtcem3rbc/data/f9863afcc/7bfccd51e2e34a9e85126ea03ec96409/FLAGe3dbfd469 [2022-11-02 20:15:23,963 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:15:23,964 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6eba22-81b6-4fb0-973e-6e3bba2ba7b3/sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c [2022-11-02 20:15:23,980 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6eba22-81b6-4fb0-973e-6e3bba2ba7b3/bin/uautomizer-Dbtcem3rbc/data/f9863afcc/7bfccd51e2e34a9e85126ea03ec96409/FLAGe3dbfd469 [2022-11-02 20:15:24,276 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6eba22-81b6-4fb0-973e-6e3bba2ba7b3/bin/uautomizer-Dbtcem3rbc/data/f9863afcc/7bfccd51e2e34a9e85126ea03ec96409 [2022-11-02 20:15:24,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:15:24,283 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:15:24,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:15:24,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:15:24,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:15:24,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:15:24" (1/1) ... [2022-11-02 20:15:24,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed9319f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:24, skipping insertion in model container [2022-11-02 20:15:24,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:15:24" (1/1) ... [2022-11-02 20:15:24,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:15:24,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:15:24,642 WARN L230 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_1e6eba22-81b6-4fb0-973e-6e3bba2ba7b3/sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c[2599,2612] [2022-11-02 20:15:24,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:15:24,662 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:15:24,704 WARN L230 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_1e6eba22-81b6-4fb0-973e-6e3bba2ba7b3/sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c[2599,2612] [2022-11-02 20:15:24,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:15:24,729 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:15:24,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:24 WrapperNode [2022-11-02 20:15:24,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:15:24,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:15:24,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:15:24,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:15:24,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:24" (1/1) ... [2022-11-02 20:15:24,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:24" (1/1) ... [2022-11-02 20:15:24,834 INFO L138 Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 402 [2022-11-02 20:15:24,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:15:24,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:15:24,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:15:24,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:15:24,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:24" (1/1) ... [2022-11-02 20:15:24,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:24" (1/1) ... [2022-11-02 20:15:24,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:24" (1/1) ... [2022-11-02 20:15:24,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:24" (1/1) ... [2022-11-02 20:15:24,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:24" (1/1) ... [2022-11-02 20:15:24,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:24" (1/1) ... [2022-11-02 20:15:24,923 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:24" (1/1) ... [2022-11-02 20:15:24,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:24" (1/1) ... [2022-11-02 20:15:24,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:15:24,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:15:24,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:15:24,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:15:24,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:24" (1/1) ... [2022-11-02 20:15:24,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:15:24,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6eba22-81b6-4fb0-973e-6e3bba2ba7b3/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:15:24,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6eba22-81b6-4fb0-973e-6e3bba2ba7b3/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:15:25,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6eba22-81b6-4fb0-973e-6e3bba2ba7b3/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:15:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:15:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:15:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:15:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:15:25,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-02 20:15:25,047 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-02 20:15:25,047 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-02 20:15:25,047 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-02 20:15:25,047 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-02 20:15:25,047 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-02 20:15:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:15:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-02 20:15:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-02 20:15:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:15:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:15:25,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:15:25,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:15:25,051 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:15:25,297 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:15:25,299 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:15:26,302 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:15:26,844 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:15:26,845 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-02 20:15:26,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:15:26 BoogieIcfgContainer [2022-11-02 20:15:26,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:15:26,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:15:26,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:15:26,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:15:26,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:15:24" (1/3) ... [2022-11-02 20:15:26,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1e6ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:15:26, skipping insertion in model container [2022-11-02 20:15:26,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:24" (2/3) ... [2022-11-02 20:15:26,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1e6ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:15:26, skipping insertion in model container [2022-11-02 20:15:26,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:15:26" (3/3) ... [2022-11-02 20:15:26,886 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum2.wvr.c [2022-11-02 20:15:26,899 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:15:26,913 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:15:26,913 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-11-02 20:15:26,913 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:15:27,064 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-02 20:15:27,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 295 places, 302 transitions, 628 flow [2022-11-02 20:15:27,299 INFO L130 PetriNetUnfolder]: 17/299 cut-off events. [2022-11-02 20:15:27,300 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-02 20:15:27,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 299 events. 17/299 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 315 event pairs, 0 based on Foata normal form. 0/244 useless extension candidates. Maximal degree in co-relation 226. Up to 2 conditions per place. [2022-11-02 20:15:27,307 INFO L82 GeneralOperation]: Start removeDead. Operand has 295 places, 302 transitions, 628 flow [2022-11-02 20:15:27,316 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 273 places, 279 transitions, 576 flow [2022-11-02 20:15:27,328 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:15:27,337 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;@1e58edf0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:15:27,337 INFO L358 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2022-11-02 20:15:27,344 INFO L130 PetriNetUnfolder]: 0/26 cut-off events. [2022-11-02 20:15:27,345 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:15:27,345 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:15:27,346 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:15:27,347 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 20:15:27,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:15:27,353 INFO L85 PathProgramCache]: Analyzing trace with hash 390408329, now seen corresponding path program 1 times [2022-11-02 20:15:27,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:15:27,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254349798] [2022-11-02 20:15:27,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:15:27,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:15:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:27,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:15:27,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:15:27,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254349798] [2022-11-02 20:15:27,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254349798] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:15:27,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:15:27,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:15:27,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465286871] [2022-11-02 20:15:27,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:15:27,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:15:27,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:15:27,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:15:27,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:15:27,746 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 302 [2022-11-02 20:15:27,756 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 279 transitions, 576 flow. Second operand has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 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) [2022-11-02 20:15:27,756 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:15:27,757 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 302 [2022-11-02 20:15:27,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:15:28,281 INFO L130 PetriNetUnfolder]: 206/736 cut-off events. [2022-11-02 20:15:28,281 INFO L131 PetriNetUnfolder]: For 189/214 co-relation queries the response was YES. [2022-11-02 20:15:28,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1112 conditions, 736 events. 206/736 cut-off events. For 189/214 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3287 event pairs, 114 based on Foata normal form. 78/638 useless extension candidates. Maximal degree in co-relation 859. Up to 288 conditions per place. [2022-11-02 20:15:28,297 INFO L137 encePairwiseOnDemand]: 271/302 looper letters, 24 selfloop transitions, 2 changer transitions 5/250 dead transitions. [2022-11-02 20:15:28,298 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 250 transitions, 570 flow [2022-11-02 20:15:28,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:15:28,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:15:28,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2022-11-02 20:15:28,330 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8719646799116998 [2022-11-02 20:15:28,331 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 790 transitions. [2022-11-02 20:15:28,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 790 transitions. [2022-11-02 20:15:28,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:15:28,341 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 790 transitions. [2022-11-02 20:15:28,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 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) [2022-11-02 20:15:28,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 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) [2022-11-02 20:15:28,360 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 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) [2022-11-02 20:15:28,363 INFO L175 Difference]: Start difference. First operand has 273 places, 279 transitions, 576 flow. Second operand 3 states and 790 transitions. [2022-11-02 20:15:28,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 250 transitions, 570 flow [2022-11-02 20:15:28,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 250 transitions, 558 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-02 20:15:28,388 INFO L231 Difference]: Finished difference. Result has 250 places, 245 transitions, 500 flow [2022-11-02 20:15:28,391 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=500, PETRI_PLACES=250, PETRI_TRANSITIONS=245} [2022-11-02 20:15:28,398 INFO L287 CegarLoopForPetriNet]: 273 programPoint places, -23 predicate places. [2022-11-02 20:15:28,399 INFO L495 AbstractCegarLoop]: Abstraction has has 250 places, 245 transitions, 500 flow [2022-11-02 20:15:28,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 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) [2022-11-02 20:15:28,401 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:15:28,402 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:15:28,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:15:28,402 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 20:15:28,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:15:28,404 INFO L85 PathProgramCache]: Analyzing trace with hash 349594437, now seen corresponding path program 1 times [2022-11-02 20:15:28,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:15:28,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772376481] [2022-11-02 20:15:28,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:15:28,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:15:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:28,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:15:28,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:15:28,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772376481] [2022-11-02 20:15:28,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772376481] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:15:28,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:15:28,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:15:28,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048722643] [2022-11-02 20:15:28,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:15:28,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:15:28,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:15:28,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:15:28,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:15:28,558 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 302 [2022-11-02 20:15:28,559 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 245 transitions, 500 flow. Second operand has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 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) [2022-11-02 20:15:28,559 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:15:28,560 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 302 [2022-11-02 20:15:28,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:15:28,936 INFO L130 PetriNetUnfolder]: 155/707 cut-off events. [2022-11-02 20:15:28,937 INFO L131 PetriNetUnfolder]: For 21/48 co-relation queries the response was YES. [2022-11-02 20:15:28,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 972 conditions, 707 events. 155/707 cut-off events. For 21/48 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3213 event pairs, 90 based on Foata normal form. 0/575 useless extension candidates. Maximal degree in co-relation 938. Up to 243 conditions per place. [2022-11-02 20:15:28,948 INFO L137 encePairwiseOnDemand]: 299/302 looper letters, 27 selfloop transitions, 2 changer transitions 0/244 dead transitions. [2022-11-02 20:15:28,949 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 244 transitions, 556 flow [2022-11-02 20:15:28,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:15:28,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:15:28,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 756 transitions. [2022-11-02 20:15:28,952 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8344370860927153 [2022-11-02 20:15:28,952 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 756 transitions. [2022-11-02 20:15:28,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 756 transitions. [2022-11-02 20:15:28,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:15:28,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 756 transitions. [2022-11-02 20:15:28,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 252.0) internal successors, (756), 3 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:15:28,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 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) [2022-11-02 20:15:28,960 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 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) [2022-11-02 20:15:28,960 INFO L175 Difference]: Start difference. First operand has 250 places, 245 transitions, 500 flow. Second operand 3 states and 756 transitions. [2022-11-02 20:15:28,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 244 transitions, 556 flow [2022-11-02 20:15:28,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 244 transitions, 552 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:15:28,972 INFO L231 Difference]: Finished difference. Result has 244 places, 244 transitions, 498 flow [2022-11-02 20:15:28,973 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=498, PETRI_PLACES=244, PETRI_TRANSITIONS=244} [2022-11-02 20:15:28,974 INFO L287 CegarLoopForPetriNet]: 273 programPoint places, -29 predicate places. [2022-11-02 20:15:28,974 INFO L495 AbstractCegarLoop]: Abstraction has has 244 places, 244 transitions, 498 flow [2022-11-02 20:15:28,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 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) [2022-11-02 20:15:28,975 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:15:28,975 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:15:28,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:15:28,977 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 20:15:28,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:15:28,981 INFO L85 PathProgramCache]: Analyzing trace with hash 852649329, now seen corresponding path program 1 times [2022-11-02 20:15:28,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:15:28,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677487009] [2022-11-02 20:15:28,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:15:28,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:15:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:29,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:15:29,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:15:29,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677487009] [2022-11-02 20:15:29,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677487009] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:15:29,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:15:29,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:15:29,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537754658] [2022-11-02 20:15:29,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:15:29,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:15:29,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:15:29,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:15:29,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:15:29,117 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 302 [2022-11-02 20:15:29,119 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 244 transitions, 498 flow. Second operand has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 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) [2022-11-02 20:15:29,119 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:15:29,119 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 302 [2022-11-02 20:15:29,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:15:29,359 INFO L130 PetriNetUnfolder]: 109/600 cut-off events. [2022-11-02 20:15:29,359 INFO L131 PetriNetUnfolder]: For 18/35 co-relation queries the response was YES. [2022-11-02 20:15:29,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 600 events. 109/600 cut-off events. For 18/35 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2442 event pairs, 59 based on Foata normal form. 0/519 useless extension candidates. Maximal degree in co-relation 744. Up to 166 conditions per place. [2022-11-02 20:15:29,367 INFO L137 encePairwiseOnDemand]: 296/302 looper letters, 20 selfloop transitions, 1 changer transitions 0/239 dead transitions. [2022-11-02 20:15:29,367 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 239 transitions, 530 flow [2022-11-02 20:15:29,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:15:29,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:15:29,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 761 transitions. [2022-11-02 20:15:29,372 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8399558498896247 [2022-11-02 20:15:29,372 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 761 transitions. [2022-11-02 20:15:29,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 761 transitions. [2022-11-02 20:15:29,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:15:29,373 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 761 transitions. [2022-11-02 20:15:29,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 253.66666666666666) internal successors, (761), 3 states have internal predecessors, (761), 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) [2022-11-02 20:15:29,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 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) [2022-11-02 20:15:29,380 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 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) [2022-11-02 20:15:29,380 INFO L175 Difference]: Start difference. First operand has 244 places, 244 transitions, 498 flow. Second operand 3 states and 761 transitions. [2022-11-02 20:15:29,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 239 transitions, 530 flow [2022-11-02 20:15:29,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 239 transitions, 526 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:15:29,387 INFO L231 Difference]: Finished difference. Result has 239 places, 239 transitions, 486 flow [2022-11-02 20:15:29,387 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=486, PETRI_PLACES=239, PETRI_TRANSITIONS=239} [2022-11-02 20:15:29,390 INFO L287 CegarLoopForPetriNet]: 273 programPoint places, -34 predicate places. [2022-11-02 20:15:29,391 INFO L495 AbstractCegarLoop]: Abstraction has has 239 places, 239 transitions, 486 flow [2022-11-02 20:15:29,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 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) [2022-11-02 20:15:29,392 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:15:29,392 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-11-02 20:15:29,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:15:29,393 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 20:15:29,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:15:29,394 INFO L85 PathProgramCache]: Analyzing trace with hash 236558700, now seen corresponding path program 1 times [2022-11-02 20:15:29,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:15:29,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113891225] [2022-11-02 20:15:29,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:15:29,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:15:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:29,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:15:29,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:15:29,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113891225] [2022-11-02 20:15:29,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113891225] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:15:29,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:15:29,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:15:29,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909332926] [2022-11-02 20:15:29,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:15:29,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:15:29,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:15:29,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:15:29,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:15:29,535 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 302 [2022-11-02 20:15:29,536 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 239 transitions, 486 flow. Second operand has 3 states, 3 states have (on average 258.3333333333333) internal successors, (775), 3 states have internal predecessors, (775), 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) [2022-11-02 20:15:29,537 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:15:29,537 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 302 [2022-11-02 20:15:29,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:15:29,757 INFO L130 PetriNetUnfolder]: 43/400 cut-off events. [2022-11-02 20:15:29,757 INFO L131 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-11-02 20:15:29,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 474 conditions, 400 events. 43/400 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 990 event pairs, 15 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 433. Up to 62 conditions per place. [2022-11-02 20:15:29,761 INFO L137 encePairwiseOnDemand]: 299/302 looper letters, 12 selfloop transitions, 2 changer transitions 0/238 dead transitions. [2022-11-02 20:15:29,762 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 238 transitions, 512 flow [2022-11-02 20:15:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:15:29,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:15:29,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 786 transitions. [2022-11-02 20:15:29,772 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8675496688741722 [2022-11-02 20:15:29,773 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 786 transitions. [2022-11-02 20:15:29,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 786 transitions. [2022-11-02 20:15:29,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:15:29,774 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 786 transitions. [2022-11-02 20:15:29,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 262.0) internal successors, (786), 3 states have internal predecessors, (786), 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) [2022-11-02 20:15:29,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 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) [2022-11-02 20:15:29,783 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 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) [2022-11-02 20:15:29,783 INFO L175 Difference]: Start difference. First operand has 239 places, 239 transitions, 486 flow. Second operand 3 states and 786 transitions. [2022-11-02 20:15:29,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 238 transitions, 512 flow [2022-11-02 20:15:29,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 238 transitions, 511 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:15:29,798 INFO L231 Difference]: Finished difference. Result has 239 places, 238 transitions, 487 flow [2022-11-02 20:15:29,799 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=483, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=487, PETRI_PLACES=239, PETRI_TRANSITIONS=238} [2022-11-02 20:15:29,801 INFO L287 CegarLoopForPetriNet]: 273 programPoint places, -34 predicate places. [2022-11-02 20:15:29,801 INFO L495 AbstractCegarLoop]: Abstraction has has 239 places, 238 transitions, 487 flow [2022-11-02 20:15:29,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 258.3333333333333) internal successors, (775), 3 states have internal predecessors, (775), 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) [2022-11-02 20:15:29,802 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:15:29,803 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-11-02 20:15:29,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:15:29,803 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 20:15:29,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:15:29,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1554101902, now seen corresponding path program 1 times [2022-11-02 20:15:29,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:15:29,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720105221] [2022-11-02 20:15:29,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:15:29,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:15:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:30,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:15:30,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:15:30,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720105221] [2022-11-02 20:15:30,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720105221] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:15:30,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:15:30,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:15:30,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129044314] [2022-11-02 20:15:30,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:15:30,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:15:30,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:15:30,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:15:30,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:15:30,593 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 302 [2022-11-02 20:15:30,595 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 238 transitions, 487 flow. Second operand has 6 states, 6 states have (on average 212.83333333333334) internal successors, (1277), 6 states have internal predecessors, (1277), 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) [2022-11-02 20:15:30,596 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:15:30,596 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 302 [2022-11-02 20:15:30,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:15:31,131 INFO L130 PetriNetUnfolder]: 201/622 cut-off events. [2022-11-02 20:15:31,132 INFO L131 PetriNetUnfolder]: For 1/9 co-relation queries the response was YES. [2022-11-02 20:15:31,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 967 conditions, 622 events. 201/622 cut-off events. For 1/9 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2384 event pairs, 117 based on Foata normal form. 0/548 useless extension candidates. Maximal degree in co-relation 927. Up to 323 conditions per place. [2022-11-02 20:15:31,139 INFO L137 encePairwiseOnDemand]: 290/302 looper letters, 49 selfloop transitions, 10 changer transitions 0/236 dead transitions. [2022-11-02 20:15:31,140 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 236 transitions, 601 flow [2022-11-02 20:15:31,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:15:31,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:15:31,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1327 transitions. [2022-11-02 20:15:31,144 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7323399558498896 [2022-11-02 20:15:31,145 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1327 transitions. [2022-11-02 20:15:31,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1327 transitions. [2022-11-02 20:15:31,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:15:31,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1327 transitions. [2022-11-02 20:15:31,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 221.16666666666666) internal successors, (1327), 6 states have internal predecessors, (1327), 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) [2022-11-02 20:15:31,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 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) [2022-11-02 20:15:31,158 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 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) [2022-11-02 20:15:31,158 INFO L175 Difference]: Start difference. First operand has 239 places, 238 transitions, 487 flow. Second operand 6 states and 1327 transitions. [2022-11-02 20:15:31,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 236 transitions, 601 flow [2022-11-02 20:15:31,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 236 transitions, 597 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:15:31,165 INFO L231 Difference]: Finished difference. Result has 240 places, 236 transitions, 499 flow [2022-11-02 20:15:31,166 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=479, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=499, PETRI_PLACES=240, PETRI_TRANSITIONS=236} [2022-11-02 20:15:31,169 INFO L287 CegarLoopForPetriNet]: 273 programPoint places, -33 predicate places. [2022-11-02 20:15:31,170 INFO L495 AbstractCegarLoop]: Abstraction has has 240 places, 236 transitions, 499 flow [2022-11-02 20:15:31,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 212.83333333333334) internal successors, (1277), 6 states have internal predecessors, (1277), 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) [2022-11-02 20:15:31,172 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:15:31,173 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1] [2022-11-02 20:15:31,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:15:31,173 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 20:15:31,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:15:31,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1086323241, now seen corresponding path program 1 times [2022-11-02 20:15:31,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:15:31,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739444833] [2022-11-02 20:15:31,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:15:31,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:15:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:31,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:15:31,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:15:31,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739444833] [2022-11-02 20:15:31,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739444833] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:15:31,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:15:31,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:15:31,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764095353] [2022-11-02 20:15:31,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:15:31,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:15:31,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:15:31,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:15:31,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:15:31,297 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 302 [2022-11-02 20:15:31,298 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 236 transitions, 499 flow. Second operand has 3 states, 3 states have (on average 258.3333333333333) internal successors, (775), 3 states have internal predecessors, (775), 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) [2022-11-02 20:15:31,298 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:15:31,299 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 302 [2022-11-02 20:15:31,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:15:31,466 INFO L130 PetriNetUnfolder]: 43/397 cut-off events. [2022-11-02 20:15:31,466 INFO L131 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-11-02 20:15:31,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 481 conditions, 397 events. 43/397 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 990 event pairs, 15 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 448. Up to 62 conditions per place. [2022-11-02 20:15:31,470 INFO L137 encePairwiseOnDemand]: 299/302 looper letters, 12 selfloop transitions, 2 changer transitions 0/235 dead transitions. [2022-11-02 20:15:31,470 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 235 transitions, 525 flow [2022-11-02 20:15:31,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:15:31,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:15:31,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 786 transitions. [2022-11-02 20:15:31,474 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8675496688741722 [2022-11-02 20:15:31,474 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 786 transitions. [2022-11-02 20:15:31,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 786 transitions. [2022-11-02 20:15:31,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:15:31,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 786 transitions. [2022-11-02 20:15:31,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 262.0) internal successors, (786), 3 states have internal predecessors, (786), 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) [2022-11-02 20:15:31,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 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) [2022-11-02 20:15:31,481 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 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) [2022-11-02 20:15:31,481 INFO L175 Difference]: Start difference. First operand has 240 places, 236 transitions, 499 flow. Second operand 3 states and 786 transitions. [2022-11-02 20:15:31,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 235 transitions, 525 flow [2022-11-02 20:15:31,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 235 transitions, 505 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-02 20:15:31,487 INFO L231 Difference]: Finished difference. Result has 236 places, 235 transitions, 481 flow [2022-11-02 20:15:31,488 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=477, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=481, PETRI_PLACES=236, PETRI_TRANSITIONS=235} [2022-11-02 20:15:31,491 INFO L287 CegarLoopForPetriNet]: 273 programPoint places, -37 predicate places. [2022-11-02 20:15:31,492 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 235 transitions, 481 flow [2022-11-02 20:15:31,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 258.3333333333333) internal successors, (775), 3 states have internal predecessors, (775), 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) [2022-11-02 20:15:31,493 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:15:31,493 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1] [2022-11-02 20:15:31,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:15:31,493 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 20:15:31,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:15:31,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1939727694, now seen corresponding path program 1 times [2022-11-02 20:15:31,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:15:31,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13052516] [2022-11-02 20:15:31,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:15:31,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:15:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:31,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:15:31,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:15:31,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13052516] [2022-11-02 20:15:31,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13052516] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:15:31,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:15:31,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:15:31,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068855414] [2022-11-02 20:15:31,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:15:31,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:15:31,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:15:31,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:15:31,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:15:31,574 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 302 [2022-11-02 20:15:31,575 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 235 transitions, 481 flow. Second operand has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 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) [2022-11-02 20:15:31,575 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:15:31,575 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 302 [2022-11-02 20:15:31,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:15:31,762 INFO L130 PetriNetUnfolder]: 138/576 cut-off events. [2022-11-02 20:15:31,762 INFO L131 PetriNetUnfolder]: For 37/53 co-relation queries the response was YES. [2022-11-02 20:15:31,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 782 conditions, 576 events. 138/576 cut-off events. For 37/53 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2217 event pairs, 71 based on Foata normal form. 0/500 useless extension candidates. Maximal degree in co-relation 740. Up to 187 conditions per place. [2022-11-02 20:15:31,768 INFO L137 encePairwiseOnDemand]: 297/302 looper letters, 18 selfloop transitions, 1 changer transitions 0/231 dead transitions. [2022-11-02 20:15:31,768 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 231 transitions, 511 flow [2022-11-02 20:15:31,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:15:31,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:15:31,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 767 transitions. [2022-11-02 20:15:31,772 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8465783664459161 [2022-11-02 20:15:31,772 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 767 transitions. [2022-11-02 20:15:31,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 767 transitions. [2022-11-02 20:15:31,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:15:31,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 767 transitions. [2022-11-02 20:15:31,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 255.66666666666666) internal successors, (767), 3 states have internal predecessors, (767), 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) [2022-11-02 20:15:31,778 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 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) [2022-11-02 20:15:31,779 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 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) [2022-11-02 20:15:31,779 INFO L175 Difference]: Start difference. First operand has 236 places, 235 transitions, 481 flow. Second operand 3 states and 767 transitions. [2022-11-02 20:15:31,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 231 transitions, 511 flow [2022-11-02 20:15:31,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 231 transitions, 507 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:15:31,785 INFO L231 Difference]: Finished difference. Result has 232 places, 231 transitions, 471 flow [2022-11-02 20:15:31,786 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=471, PETRI_PLACES=232, PETRI_TRANSITIONS=231} [2022-11-02 20:15:31,786 INFO L287 CegarLoopForPetriNet]: 273 programPoint places, -41 predicate places. [2022-11-02 20:15:31,787 INFO L495 AbstractCegarLoop]: Abstraction has has 232 places, 231 transitions, 471 flow [2022-11-02 20:15:31,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 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) [2022-11-02 20:15:31,788 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:15:31,788 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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] [2022-11-02 20:15:31,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:15:31,788 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 20:15:31,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:15:31,789 INFO L85 PathProgramCache]: Analyzing trace with hash -271686446, now seen corresponding path program 1 times [2022-11-02 20:15:31,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:15:31,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842725497] [2022-11-02 20:15:31,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:15:31,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:15:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:32,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:15:32,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:15:32,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842725497] [2022-11-02 20:15:32,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842725497] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:15:32,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:15:32,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:15:32,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119809461] [2022-11-02 20:15:32,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:15:32,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:15:32,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:15:32,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:15:32,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:15:32,439 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 302 [2022-11-02 20:15:32,441 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 231 transitions, 471 flow. Second operand has 6 states, 6 states have (on average 229.0) internal successors, (1374), 6 states have internal predecessors, (1374), 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) [2022-11-02 20:15:32,442 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:15:32,442 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 302 [2022-11-02 20:15:32,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:15:33,399 INFO L130 PetriNetUnfolder]: 201/610 cut-off events. [2022-11-02 20:15:33,399 INFO L131 PetriNetUnfolder]: For 1/9 co-relation queries the response was YES. [2022-11-02 20:15:33,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 935 conditions, 610 events. 201/610 cut-off events. For 1/9 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2250 event pairs, 22 based on Foata normal form. 4/576 useless extension candidates. Maximal degree in co-relation 893. Up to 154 conditions per place. [2022-11-02 20:15:33,406 INFO L137 encePairwiseOnDemand]: 297/302 looper letters, 48 selfloop transitions, 4 changer transitions 0/242 dead transitions. [2022-11-02 20:15:33,407 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 242 transitions, 597 flow [2022-11-02 20:15:33,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:15:33,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:15:33,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1415 transitions. [2022-11-02 20:15:33,412 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7809050772626932 [2022-11-02 20:15:33,412 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1415 transitions. [2022-11-02 20:15:33,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1415 transitions. [2022-11-02 20:15:33,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:15:33,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1415 transitions. [2022-11-02 20:15:33,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 235.83333333333334) internal successors, (1415), 6 states have internal predecessors, (1415), 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) [2022-11-02 20:15:33,422 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 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) [2022-11-02 20:15:33,424 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 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) [2022-11-02 20:15:33,424 INFO L175 Difference]: Start difference. First operand has 232 places, 231 transitions, 471 flow. Second operand 6 states and 1415 transitions. [2022-11-02 20:15:33,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 242 transitions, 597 flow [2022-11-02 20:15:33,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 242 transitions, 596 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:15:33,431 INFO L231 Difference]: Finished difference. Result has 235 places, 230 transitions, 476 flow [2022-11-02 20:15:33,432 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=476, PETRI_PLACES=235, PETRI_TRANSITIONS=230} [2022-11-02 20:15:33,433 INFO L287 CegarLoopForPetriNet]: 273 programPoint places, -38 predicate places. [2022-11-02 20:15:33,433 INFO L495 AbstractCegarLoop]: Abstraction has has 235 places, 230 transitions, 476 flow [2022-11-02 20:15:33,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.0) internal successors, (1374), 6 states have internal predecessors, (1374), 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) [2022-11-02 20:15:33,434 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:15:33,434 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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] [2022-11-02 20:15:33,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:15:33,435 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 20:15:33,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:15:33,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1215225592, now seen corresponding path program 1 times [2022-11-02 20:15:33,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:15:33,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107810784] [2022-11-02 20:15:33,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:15:33,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:15:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:34,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:15:34,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:15:34,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107810784] [2022-11-02 20:15:34,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107810784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:15:34,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:15:34,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:15:34,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19493625] [2022-11-02 20:15:34,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:15:34,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:15:34,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:15:34,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:15:34,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:15:34,162 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 302 [2022-11-02 20:15:34,165 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 230 transitions, 476 flow. Second operand has 6 states, 6 states have (on average 230.0) internal successors, (1380), 6 states have internal predecessors, (1380), 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) [2022-11-02 20:15:34,165 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:15:34,165 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 302 [2022-11-02 20:15:34,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:15:34,764 INFO L130 PetriNetUnfolder]: 154/536 cut-off events. [2022-11-02 20:15:34,764 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-11-02 20:15:34,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 837 conditions, 536 events. 154/536 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1941 event pairs, 79 based on Foata normal form. 0/499 useless extension candidates. Maximal degree in co-relation 795. Up to 184 conditions per place. [2022-11-02 20:15:34,770 INFO L137 encePairwiseOnDemand]: 297/302 looper letters, 43 selfloop transitions, 4 changer transitions 0/237 dead transitions. [2022-11-02 20:15:34,770 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 237 transitions, 584 flow [2022-11-02 20:15:34,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:15:34,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:15:34,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1410 transitions. [2022-11-02 20:15:34,776 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7781456953642384 [2022-11-02 20:15:34,777 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1410 transitions. [2022-11-02 20:15:34,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1410 transitions. [2022-11-02 20:15:34,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:15:34,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1410 transitions. [2022-11-02 20:15:34,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 235.0) internal successors, (1410), 6 states have internal predecessors, (1410), 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) [2022-11-02 20:15:34,788 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 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) [2022-11-02 20:15:34,790 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 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) [2022-11-02 20:15:34,791 INFO L175 Difference]: Start difference. First operand has 235 places, 230 transitions, 476 flow. Second operand 6 states and 1410 transitions. [2022-11-02 20:15:34,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 237 transitions, 584 flow [2022-11-02 20:15:34,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 237 transitions, 577 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:15:34,801 INFO L231 Difference]: Finished difference. Result has 235 places, 229 transitions, 475 flow [2022-11-02 20:15:34,802 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=475, PETRI_PLACES=235, PETRI_TRANSITIONS=229} [2022-11-02 20:15:34,803 INFO L287 CegarLoopForPetriNet]: 273 programPoint places, -38 predicate places. [2022-11-02 20:15:34,803 INFO L495 AbstractCegarLoop]: Abstraction has has 235 places, 229 transitions, 475 flow [2022-11-02 20:15:34,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.0) internal successors, (1380), 6 states have internal predecessors, (1380), 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) [2022-11-02 20:15:34,804 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:15:34,805 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:15:34,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 20:15:34,805 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 20:15:34,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:15:34,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1389353523, now seen corresponding path program 1 times [2022-11-02 20:15:34,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:15:34,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139416361] [2022-11-02 20:15:34,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:15:34,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:15:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:35,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:15:35,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:15:35,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139416361] [2022-11-02 20:15:35,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139416361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:15:35,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:15:35,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:15:35,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983570492] [2022-11-02 20:15:35,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:15:35,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:15:35,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:15:35,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:15:35,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:15:35,663 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 302 [2022-11-02 20:15:35,665 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 229 transitions, 475 flow. Second operand has 6 states, 6 states have (on average 231.0) internal successors, (1386), 6 states have internal predecessors, (1386), 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) [2022-11-02 20:15:35,666 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:15:35,666 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 302 [2022-11-02 20:15:35,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:15:36,167 INFO L130 PetriNetUnfolder]: 186/573 cut-off events. [2022-11-02 20:15:36,167 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-02 20:15:36,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 895 conditions, 573 events. 186/573 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2008 event pairs, 100 based on Foata normal form. 0/538 useless extension candidates. Maximal degree in co-relation 853. Up to 271 conditions per place. [2022-11-02 20:15:36,174 INFO L137 encePairwiseOnDemand]: 297/302 looper letters, 38 selfloop transitions, 4 changer transitions 0/232 dead transitions. [2022-11-02 20:15:36,174 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 232 transitions, 565 flow [2022-11-02 20:15:36,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:15:36,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:15:36,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1405 transitions. [2022-11-02 20:15:36,179 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7753863134657837 [2022-11-02 20:15:36,179 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1405 transitions. [2022-11-02 20:15:36,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1405 transitions. [2022-11-02 20:15:36,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:15:36,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1405 transitions. [2022-11-02 20:15:36,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 234.16666666666666) internal successors, (1405), 6 states have internal predecessors, (1405), 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) [2022-11-02 20:15:36,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 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) [2022-11-02 20:15:36,191 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 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) [2022-11-02 20:15:36,191 INFO L175 Difference]: Start difference. First operand has 235 places, 229 transitions, 475 flow. Second operand 6 states and 1405 transitions. [2022-11-02 20:15:36,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 232 transitions, 565 flow [2022-11-02 20:15:36,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 232 transitions, 558 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:15:36,197 INFO L231 Difference]: Finished difference. Result has 235 places, 228 transitions, 474 flow [2022-11-02 20:15:36,198 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=474, PETRI_PLACES=235, PETRI_TRANSITIONS=228} [2022-11-02 20:15:36,199 INFO L287 CegarLoopForPetriNet]: 273 programPoint places, -38 predicate places. [2022-11-02 20:15:36,199 INFO L495 AbstractCegarLoop]: Abstraction has has 235 places, 228 transitions, 474 flow [2022-11-02 20:15:36,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 231.0) internal successors, (1386), 6 states have internal predecessors, (1386), 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) [2022-11-02 20:15:36,200 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:15:36,200 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:15:36,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 20:15:36,201 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 20:15:36,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:15:36,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1227318816, now seen corresponding path program 1 times [2022-11-02 20:15:36,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:15:36,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555134565] [2022-11-02 20:15:36,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:15:36,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:15:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:36,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:15:36,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:15:36,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555134565] [2022-11-02 20:15:36,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555134565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:15:36,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:15:36,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:15:36,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179502201] [2022-11-02 20:15:36,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:15:36,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:15:36,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:15:36,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:15:36,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:15:36,305 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 302 [2022-11-02 20:15:36,307 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 228 transitions, 474 flow. Second operand has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 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) [2022-11-02 20:15:36,307 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:15:36,307 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 302 [2022-11-02 20:15:36,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:15:36,450 INFO L130 PetriNetUnfolder]: 43/384 cut-off events. [2022-11-02 20:15:36,450 INFO L131 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-11-02 20:15:36,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 462 conditions, 384 events. 43/384 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 916 event pairs, 15 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 439. Up to 59 conditions per place. [2022-11-02 20:15:36,454 INFO L137 encePairwiseOnDemand]: 300/302 looper letters, 10 selfloop transitions, 1 changer transitions 0/227 dead transitions. [2022-11-02 20:15:36,454 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 227 transitions, 494 flow [2022-11-02 20:15:36,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:15:36,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:15:36,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 792 transitions. [2022-11-02 20:15:36,458 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8741721854304636 [2022-11-02 20:15:36,458 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 792 transitions. [2022-11-02 20:15:36,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 792 transitions. [2022-11-02 20:15:36,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:15:36,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 792 transitions. [2022-11-02 20:15:36,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.0) internal successors, (792), 3 states have internal predecessors, (792), 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) [2022-11-02 20:15:36,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 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) [2022-11-02 20:15:36,476 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 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) [2022-11-02 20:15:36,483 INFO L175 Difference]: Start difference. First operand has 235 places, 228 transitions, 474 flow. Second operand 3 states and 792 transitions. [2022-11-02 20:15:36,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 227 transitions, 494 flow [2022-11-02 20:15:36,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 227 transitions, 487 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:15:36,489 INFO L231 Difference]: Finished difference. Result has 232 places, 227 transitions, 467 flow [2022-11-02 20:15:36,494 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=232, PETRI_TRANSITIONS=227} [2022-11-02 20:15:36,495 INFO L287 CegarLoopForPetriNet]: 273 programPoint places, -41 predicate places. [2022-11-02 20:15:36,495 INFO L495 AbstractCegarLoop]: Abstraction has has 232 places, 227 transitions, 467 flow [2022-11-02 20:15:36,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 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) [2022-11-02 20:15:36,496 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:15:36,497 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:15:36,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 20:15:36,497 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 20:15:36,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:15:36,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1662660145, now seen corresponding path program 1 times [2022-11-02 20:15:36,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:15:36,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171625789] [2022-11-02 20:15:36,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:15:36,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:15:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:36,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:15:36,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:15:36,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171625789] [2022-11-02 20:15:36,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171625789] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:15:36,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:15:36,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:15:36,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865405008] [2022-11-02 20:15:36,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:15:36,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:15:36,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:15:36,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:15:36,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:15:36,613 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 302 [2022-11-02 20:15:36,615 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 227 transitions, 467 flow. Second operand has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 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) [2022-11-02 20:15:36,615 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:15:36,615 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 302 [2022-11-02 20:15:36,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:15:36,765 INFO L130 PetriNetUnfolder]: 43/383 cut-off events. [2022-11-02 20:15:36,765 INFO L131 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-11-02 20:15:36,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 458 conditions, 383 events. 43/383 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 907 event pairs, 15 based on Foata normal form. 1/354 useless extension candidates. Maximal degree in co-relation 450. Up to 59 conditions per place. [2022-11-02 20:15:36,768 INFO L137 encePairwiseOnDemand]: 300/302 looper letters, 0 selfloop transitions, 0 changer transitions 226/226 dead transitions. [2022-11-02 20:15:36,768 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 226 transitions, 485 flow [2022-11-02 20:15:36,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:15:36,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:15:36,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 791 transitions. [2022-11-02 20:15:36,772 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8730684326710817 [2022-11-02 20:15:36,772 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 791 transitions. [2022-11-02 20:15:36,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 791 transitions. [2022-11-02 20:15:36,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:15:36,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 791 transitions. [2022-11-02 20:15:36,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.6666666666667) internal successors, (791), 3 states have internal predecessors, (791), 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) [2022-11-02 20:15:36,778 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 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) [2022-11-02 20:15:36,779 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 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) [2022-11-02 20:15:36,779 INFO L175 Difference]: Start difference. First operand has 232 places, 227 transitions, 467 flow. Second operand 3 states and 791 transitions. [2022-11-02 20:15:36,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 226 transitions, 485 flow [2022-11-02 20:15:36,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 226 transitions, 484 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:15:36,784 INFO L231 Difference]: Finished difference. Result has 232 places, 0 transitions, 0 flow [2022-11-02 20:15:36,785 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=232, PETRI_TRANSITIONS=0} [2022-11-02 20:15:36,788 INFO L287 CegarLoopForPetriNet]: 273 programPoint places, -41 predicate places. [2022-11-02 20:15:36,788 INFO L495 AbstractCegarLoop]: Abstraction has has 232 places, 0 transitions, 0 flow [2022-11-02 20:15:36,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 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) [2022-11-02 20:15:36,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 63 remaining) [2022-11-02 20:15:36,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (61 of 63 remaining) [2022-11-02 20:15:36,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (60 of 63 remaining) [2022-11-02 20:15:36,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (59 of 63 remaining) [2022-11-02 20:15:36,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (58 of 63 remaining) [2022-11-02 20:15:36,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (57 of 63 remaining) [2022-11-02 20:15:36,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (56 of 63 remaining) [2022-11-02 20:15:36,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (55 of 63 remaining) [2022-11-02 20:15:36,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (54 of 63 remaining) [2022-11-02 20:15:36,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (53 of 63 remaining) [2022-11-02 20:15:36,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (52 of 63 remaining) [2022-11-02 20:15:36,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (51 of 63 remaining) [2022-11-02 20:15:36,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (50 of 63 remaining) [2022-11-02 20:15:36,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (49 of 63 remaining) [2022-11-02 20:15:36,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (48 of 63 remaining) [2022-11-02 20:15:36,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (47 of 63 remaining) [2022-11-02 20:15:36,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (46 of 63 remaining) [2022-11-02 20:15:36,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (45 of 63 remaining) [2022-11-02 20:15:36,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (44 of 63 remaining) [2022-11-02 20:15:36,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (43 of 63 remaining) [2022-11-02 20:15:36,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (42 of 63 remaining) [2022-11-02 20:15:36,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (41 of 63 remaining) [2022-11-02 20:15:36,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (40 of 63 remaining) [2022-11-02 20:15:36,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (39 of 63 remaining) [2022-11-02 20:15:36,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 63 remaining) [2022-11-02 20:15:36,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 63 remaining) [2022-11-02 20:15:36,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (36 of 63 remaining) [2022-11-02 20:15:36,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (35 of 63 remaining) [2022-11-02 20:15:36,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (34 of 63 remaining) [2022-11-02 20:15:36,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (33 of 63 remaining) [2022-11-02 20:15:36,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (32 of 63 remaining) [2022-11-02 20:15:36,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (31 of 63 remaining) [2022-11-02 20:15:36,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (30 of 63 remaining) [2022-11-02 20:15:36,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (29 of 63 remaining) [2022-11-02 20:15:36,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (28 of 63 remaining) [2022-11-02 20:15:36,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (27 of 63 remaining) [2022-11-02 20:15:36,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (26 of 63 remaining) [2022-11-02 20:15:36,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (25 of 63 remaining) [2022-11-02 20:15:36,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 63 remaining) [2022-11-02 20:15:36,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 63 remaining) [2022-11-02 20:15:36,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 63 remaining) [2022-11-02 20:15:36,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 63 remaining) [2022-11-02 20:15:36,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 63 remaining) [2022-11-02 20:15:36,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 63 remaining) [2022-11-02 20:15:36,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 63 remaining) [2022-11-02 20:15:36,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 63 remaining) [2022-11-02 20:15:36,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 63 remaining) [2022-11-02 20:15:36,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 63 remaining) [2022-11-02 20:15:36,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 63 remaining) [2022-11-02 20:15:36,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 63 remaining) [2022-11-02 20:15:36,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 63 remaining) [2022-11-02 20:15:36,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 63 remaining) [2022-11-02 20:15:36,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 63 remaining) [2022-11-02 20:15:36,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 63 remaining) [2022-11-02 20:15:36,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 63 remaining) [2022-11-02 20:15:36,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 63 remaining) [2022-11-02 20:15:36,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 63 remaining) [2022-11-02 20:15:36,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 63 remaining) [2022-11-02 20:15:36,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 63 remaining) [2022-11-02 20:15:36,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 63 remaining) [2022-11-02 20:15:36,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 63 remaining) [2022-11-02 20:15:36,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 63 remaining) [2022-11-02 20:15:36,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 63 remaining) [2022-11-02 20:15:36,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 20:15:36,810 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:15:36,817 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 20:15:36,817 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:15:36,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:15:36 BasicIcfg [2022-11-02 20:15:36,830 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:15:36,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:15:36,832 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:15:36,832 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:15:36,832 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:15:26" (3/4) ... [2022-11-02 20:15:36,836 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:15:36,842 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-02 20:15:36,843 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-02 20:15:36,843 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-02 20:15:36,853 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-02 20:15:36,854 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-02 20:15:36,854 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:15:36,855 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:15:36,940 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6eba22-81b6-4fb0-973e-6e3bba2ba7b3/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:15:36,940 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:15:36,942 INFO L158 Benchmark]: Toolchain (without parser) took 12658.57ms. Allocated memory was 121.6MB in the beginning and 264.2MB in the end (delta: 142.6MB). Free memory was 86.7MB in the beginning and 76.7MB in the end (delta: 10.0MB). Peak memory consumption was 152.6MB. Max. memory is 16.1GB. [2022-11-02 20:15:36,943 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory was 36.8MB in the beginning and 36.8MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:15:36,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.75ms. Allocated memory is still 121.6MB. Free memory was 86.4MB in the beginning and 94.0MB in the end (delta: -7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:15:36,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.90ms. Allocated memory is still 121.6MB. Free memory was 94.0MB in the beginning and 90.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:15:36,948 INFO L158 Benchmark]: Boogie Preprocessor took 80.93ms. Allocated memory is still 121.6MB. Free memory was 90.3MB in the beginning and 86.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:15:36,949 INFO L158 Benchmark]: RCFGBuilder took 1941.47ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 86.9MB in the beginning and 116.5MB in the end (delta: -29.7MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2022-11-02 20:15:36,950 INFO L158 Benchmark]: TraceAbstraction took 9953.58ms. Allocated memory was 146.8MB in the beginning and 264.2MB in the end (delta: 117.4MB). Free memory was 116.5MB in the beginning and 80.9MB in the end (delta: 35.6MB). Peak memory consumption was 152.1MB. Max. memory is 16.1GB. [2022-11-02 20:15:36,950 INFO L158 Benchmark]: Witness Printer took 109.23ms. Allocated memory is still 264.2MB. Free memory was 80.9MB in the beginning and 76.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:15:36,955 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory was 36.8MB in the beginning and 36.8MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.75ms. Allocated memory is still 121.6MB. Free memory was 86.4MB in the beginning and 94.0MB in the end (delta: -7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.90ms. Allocated memory is still 121.6MB. Free memory was 94.0MB in the beginning and 90.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.93ms. Allocated memory is still 121.6MB. Free memory was 90.3MB in the beginning and 86.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1941.47ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 86.9MB in the beginning and 116.5MB in the end (delta: -29.7MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. * TraceAbstraction took 9953.58ms. Allocated memory was 146.8MB in the beginning and 264.2MB in the end (delta: 117.4MB). Free memory was 116.5MB in the beginning and 80.9MB in the end (delta: 35.6MB). Peak memory consumption was 152.1MB. Max. memory is 16.1GB. * Witness Printer took 109.23ms. Allocated memory is still 264.2MB. Free memory was 80.9MB in the beginning and 76.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: 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, 346 locations, 63 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: 9.7s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 160 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 80 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 570 IncrementalHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 160 mSDtfsCounter, 570 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=576occurred in iteration=0, InterpolantAutomatonStates: 48, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1235 NumberOfCodeBlocks, 1235 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1223 ConstructedInterpolants, 0 QuantifiedInterpolants, 1597 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 38 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-02 20:15:37,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6eba22-81b6-4fb0-973e-6e3bba2ba7b3/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE