./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d02050-7d55-4ac9-a132-08c3acb24bf9/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d02050-7d55-4ac9-a132-08c3acb24bf9/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d02050-7d55-4ac9-a132-08c3acb24bf9/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d02050-7d55-4ac9-a132-08c3acb24bf9/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d02050-7d55-4ac9-a132-08c3acb24bf9/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d02050-7d55-4ac9-a132-08c3acb24bf9/bin/uautomizer-tPACEb0tL8 --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 a4208e364fc80ce33bd799516b7b127a7314c394860a88240a88c2fb8dc1fa8b --- 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-e04fb08 [2022-11-16 11:36:57,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:36:57,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:36:57,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:36:57,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:36:57,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:36:57,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:36:57,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:36:57,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:36:57,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:36:57,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:36:57,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:36:57,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:36:57,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:36:57,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:36:57,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:36:57,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:36:57,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:36:57,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:36:57,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:36:57,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:36:57,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:36:57,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:36:57,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:36:57,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:36:57,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:36:57,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:36:57,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:36:57,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:36:57,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:36:57,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:36:57,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:36:57,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:36:57,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:36:57,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:36:57,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:36:57,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:36:57,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:36:57,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:36:57,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:36:57,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:36:57,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d02050-7d55-4ac9-a132-08c3acb24bf9/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:36:57,917 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:36:57,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:36:57,918 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:36:57,918 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:36:57,919 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:36:57,919 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:36:57,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:36:57,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:36:57,921 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:36:57,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:36:57,922 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:36:57,922 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:36:57,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:36:57,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:36:57,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:36:57,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:36:57,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:36:57,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:36:57,924 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:36:57,924 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:36:57,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:36:57,925 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:36:57,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:36:57,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:36:57,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:36:57,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:36:57,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:36:57,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:36:57,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:36:57,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:36:57,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:36:57,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:36:57,929 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:36:57,930 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:36:57,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:36:57,930 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_f6d02050-7d55-4ac9-a132-08c3acb24bf9/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d02050-7d55-4ac9-a132-08c3acb24bf9/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4208e364fc80ce33bd799516b7b127a7314c394860a88240a88c2fb8dc1fa8b [2022-11-16 11:36:58,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:36:58,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:36:58,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:36:58,342 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:36:58,343 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:36:58,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d02050-7d55-4ac9-a132-08c3acb24bf9/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c [2022-11-16 11:36:58,414 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d02050-7d55-4ac9-a132-08c3acb24bf9/bin/uautomizer-tPACEb0tL8/data/c151eea10/54b40d27716d49fda1d2335832072ddb/FLAGf028c6939 [2022-11-16 11:36:59,049 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:36:59,050 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d02050-7d55-4ac9-a132-08c3acb24bf9/sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c [2022-11-16 11:36:59,058 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d02050-7d55-4ac9-a132-08c3acb24bf9/bin/uautomizer-tPACEb0tL8/data/c151eea10/54b40d27716d49fda1d2335832072ddb/FLAGf028c6939 [2022-11-16 11:36:59,408 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d02050-7d55-4ac9-a132-08c3acb24bf9/bin/uautomizer-tPACEb0tL8/data/c151eea10/54b40d27716d49fda1d2335832072ddb [2022-11-16 11:36:59,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:36:59,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:36:59,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:36:59,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:36:59,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:36:59,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:36:59" (1/1) ... [2022-11-16 11:36:59,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca2d052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:59, skipping insertion in model container [2022-11-16 11:36:59,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:36:59" (1/1) ... [2022-11-16 11:36:59,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:36:59,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:36:59,698 WARN L229 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_f6d02050-7d55-4ac9-a132-08c3acb24bf9/sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c[3072,3085] [2022-11-16 11:36:59,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:36:59,723 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:36:59,763 WARN L229 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_f6d02050-7d55-4ac9-a132-08c3acb24bf9/sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c[3072,3085] [2022-11-16 11:36:59,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:36:59,788 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:36:59,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:59 WrapperNode [2022-11-16 11:36:59,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:36:59,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:36:59,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:36:59,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:36:59,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:59" (1/1) ... [2022-11-16 11:36:59,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:59" (1/1) ... [2022-11-16 11:36:59,853 INFO L138 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 337 [2022-11-16 11:36:59,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:36:59,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:36:59,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:36:59,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:36:59,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:59" (1/1) ... [2022-11-16 11:36:59,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:59" (1/1) ... [2022-11-16 11:36:59,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:59" (1/1) ... [2022-11-16 11:36:59,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:59" (1/1) ... [2022-11-16 11:36:59,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:59" (1/1) ... [2022-11-16 11:36:59,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:59" (1/1) ... [2022-11-16 11:36:59,894 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:59" (1/1) ... [2022-11-16 11:36:59,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:59" (1/1) ... [2022-11-16 11:36:59,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:36:59,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:36:59,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:36:59,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:36:59,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:59" (1/1) ... [2022-11-16 11:36:59,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:36:59,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d02050-7d55-4ac9-a132-08c3acb24bf9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:36:59,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d02050-7d55-4ac9-a132-08c3acb24bf9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:36:59,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d02050-7d55-4ac9-a132-08c3acb24bf9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:37:00,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:37:00,012 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 11:37:00,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 11:37:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 11:37:00,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 11:37:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 11:37:00,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 11:37:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:37:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:37:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:37:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:37:00,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:37:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:37:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:37:00,017 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:37:00,155 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:37:00,158 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:37:00,958 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:37:00,975 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:37:00,982 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:37:00,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:37:00 BoogieIcfgContainer [2022-11-16 11:37:00,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:37:00,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:37:00,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:37:00,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:37:00,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:36:59" (1/3) ... [2022-11-16 11:37:01,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b915fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:37:01, skipping insertion in model container [2022-11-16 11:37:01,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:59" (2/3) ... [2022-11-16 11:37:01,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b915fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:37:01, skipping insertion in model container [2022-11-16 11:37:01,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:37:00" (3/3) ... [2022-11-16 11:37:01,005 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-exp-term-subst.wvr.c [2022-11-16 11:37:01,021 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:37:01,034 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:37:01,035 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 47 error locations. [2022-11-16 11:37:01,035 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:37:01,319 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-16 11:37:01,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 432 places, 449 transitions, 922 flow [2022-11-16 11:37:01,657 INFO L130 PetriNetUnfolder]: 27/446 cut-off events. [2022-11-16 11:37:01,660 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-16 11:37:01,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 446 events. 27/446 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1457 event pairs, 0 based on Foata normal form. 0/372 useless extension candidates. Maximal degree in co-relation 314. Up to 2 conditions per place. [2022-11-16 11:37:01,682 INFO L82 GeneralOperation]: Start removeDead. Operand has 432 places, 449 transitions, 922 flow [2022-11-16 11:37:01,703 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 408 places, 423 transitions, 864 flow [2022-11-16 11:37:01,715 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:37:01,722 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;@7499e073, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:37:01,722 INFO L358 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2022-11-16 11:37:01,728 INFO L130 PetriNetUnfolder]: 0/28 cut-off events. [2022-11-16 11:37:01,728 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:37:01,729 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:01,729 INFO L209 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] [2022-11-16 11:37:01,730 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:01,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:01,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1869520178, now seen corresponding path program 1 times [2022-11-16 11:37:01,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:01,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114277431] [2022-11-16 11:37:01,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:01,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:02,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:02,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114277431] [2022-11-16 11:37:02,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114277431] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:02,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:02,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:37:02,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489392291] [2022-11-16 11:37:02,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:02,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:02,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:02,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:02,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:02,131 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 449 [2022-11-16 11:37:02,139 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 423 transitions, 864 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2022-11-16 11:37:02,139 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:02,139 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 449 [2022-11-16 11:37:02,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:03,234 INFO L130 PetriNetUnfolder]: 298/2863 cut-off events. [2022-11-16 11:37:03,235 INFO L131 PetriNetUnfolder]: For 108/116 co-relation queries the response was YES. [2022-11-16 11:37:03,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3284 conditions, 2863 events. 298/2863 cut-off events. For 108/116 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 26977 event pairs, 132 based on Foata normal form. 72/2388 useless extension candidates. Maximal degree in co-relation 3013. Up to 284 conditions per place. [2022-11-16 11:37:03,322 INFO L137 encePairwiseOnDemand]: 439/449 looper letters, 21 selfloop transitions, 2 changer transitions 1/415 dead transitions. [2022-11-16 11:37:03,323 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 415 transitions, 894 flow [2022-11-16 11:37:03,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:03,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:37:03,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1279 transitions. [2022-11-16 11:37:03,357 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.949517446176689 [2022-11-16 11:37:03,358 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1279 transitions. [2022-11-16 11:37:03,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1279 transitions. [2022-11-16 11:37:03,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:03,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1279 transitions. [2022-11-16 11:37:03,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 426.3333333333333) internal successors, (1279), 3 states have internal predecessors, (1279), 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) [2022-11-16 11:37:03,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:03,440 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:03,443 INFO L175 Difference]: Start difference. First operand has 408 places, 423 transitions, 864 flow. Second operand 3 states and 1279 transitions. [2022-11-16 11:37:03,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 415 transitions, 894 flow [2022-11-16 11:37:03,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 415 transitions, 882 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-16 11:37:03,469 INFO L231 Difference]: Finished difference. Result has 403 places, 414 transitions, 838 flow [2022-11-16 11:37:03,472 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=836, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=838, PETRI_PLACES=403, PETRI_TRANSITIONS=414} [2022-11-16 11:37:03,481 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -5 predicate places. [2022-11-16 11:37:03,482 INFO L495 AbstractCegarLoop]: Abstraction has has 403 places, 414 transitions, 838 flow [2022-11-16 11:37:03,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2022-11-16 11:37:03,483 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:03,484 INFO L209 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] [2022-11-16 11:37:03,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:37:03,485 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:03,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:03,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1505141321, now seen corresponding path program 1 times [2022-11-16 11:37:03,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:03,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902954966] [2022-11-16 11:37:03,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:03,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:03,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:03,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:03,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902954966] [2022-11-16 11:37:03,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902954966] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:03,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:03,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:37:03,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035898588] [2022-11-16 11:37:03,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:03,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:03,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:03,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:03,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:03,650 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 449 [2022-11-16 11:37:03,652 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 414 transitions, 838 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2022-11-16 11:37:03,653 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:03,654 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 449 [2022-11-16 11:37:03,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:04,251 INFO L130 PetriNetUnfolder]: 154/1613 cut-off events. [2022-11-16 11:37:04,252 INFO L131 PetriNetUnfolder]: For 23/25 co-relation queries the response was YES. [2022-11-16 11:37:04,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1798 conditions, 1613 events. 154/1613 cut-off events. For 23/25 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 11822 event pairs, 60 based on Foata normal form. 0/1311 useless extension candidates. Maximal degree in co-relation 1761. Up to 164 conditions per place. [2022-11-16 11:37:04,309 INFO L137 encePairwiseOnDemand]: 446/449 looper letters, 21 selfloop transitions, 2 changer transitions 0/413 dead transitions. [2022-11-16 11:37:04,310 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 413 transitions, 882 flow [2022-11-16 11:37:04,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:04,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:37:04,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1272 transitions. [2022-11-16 11:37:04,315 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9443207126948775 [2022-11-16 11:37:04,316 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1272 transitions. [2022-11-16 11:37:04,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1272 transitions. [2022-11-16 11:37:04,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:04,317 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1272 transitions. [2022-11-16 11:37:04,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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) [2022-11-16 11:37:04,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:04,327 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:04,327 INFO L175 Difference]: Start difference. First operand has 403 places, 414 transitions, 838 flow. Second operand 3 states and 1272 transitions. [2022-11-16 11:37:04,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 413 transitions, 882 flow [2022-11-16 11:37:04,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 413 transitions, 878 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:37:04,339 INFO L231 Difference]: Finished difference. Result has 401 places, 413 transitions, 836 flow [2022-11-16 11:37:04,340 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=836, PETRI_PLACES=401, PETRI_TRANSITIONS=413} [2022-11-16 11:37:04,342 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -7 predicate places. [2022-11-16 11:37:04,342 INFO L495 AbstractCegarLoop]: Abstraction has has 401 places, 413 transitions, 836 flow [2022-11-16 11:37:04,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2022-11-16 11:37:04,343 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:04,344 INFO L209 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] [2022-11-16 11:37:04,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:37:04,344 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:04,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:04,348 INFO L85 PathProgramCache]: Analyzing trace with hash -663052081, now seen corresponding path program 1 times [2022-11-16 11:37:04,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:04,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616996593] [2022-11-16 11:37:04,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:04,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:04,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:04,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:04,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616996593] [2022-11-16 11:37:04,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616996593] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:04,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:04,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:37:04,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993597488] [2022-11-16 11:37:04,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:04,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:04,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:04,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:04,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:04,495 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 449 [2022-11-16 11:37:04,498 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 413 transitions, 836 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2022-11-16 11:37:04,499 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:04,499 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 449 [2022-11-16 11:37:04,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:05,133 INFO L130 PetriNetUnfolder]: 250/2060 cut-off events. [2022-11-16 11:37:05,134 INFO L131 PetriNetUnfolder]: For 71/74 co-relation queries the response was YES. [2022-11-16 11:37:05,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2365 conditions, 2060 events. 250/2060 cut-off events. For 71/74 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 16133 event pairs, 132 based on Foata normal form. 0/1707 useless extension candidates. Maximal degree in co-relation 2321. Up to 290 conditions per place. [2022-11-16 11:37:05,182 INFO L137 encePairwiseOnDemand]: 446/449 looper letters, 21 selfloop transitions, 2 changer transitions 0/412 dead transitions. [2022-11-16 11:37:05,182 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 412 transitions, 880 flow [2022-11-16 11:37:05,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:05,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:37:05,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1272 transitions. [2022-11-16 11:37:05,186 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9443207126948775 [2022-11-16 11:37:05,186 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1272 transitions. [2022-11-16 11:37:05,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1272 transitions. [2022-11-16 11:37:05,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:05,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1272 transitions. [2022-11-16 11:37:05,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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) [2022-11-16 11:37:05,195 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:05,196 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:05,196 INFO L175 Difference]: Start difference. First operand has 401 places, 413 transitions, 836 flow. Second operand 3 states and 1272 transitions. [2022-11-16 11:37:05,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 412 transitions, 880 flow [2022-11-16 11:37:05,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 412 transitions, 876 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:37:05,207 INFO L231 Difference]: Finished difference. Result has 400 places, 412 transitions, 834 flow [2022-11-16 11:37:05,208 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=834, PETRI_PLACES=400, PETRI_TRANSITIONS=412} [2022-11-16 11:37:05,209 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -8 predicate places. [2022-11-16 11:37:05,210 INFO L495 AbstractCegarLoop]: Abstraction has has 400 places, 412 transitions, 834 flow [2022-11-16 11:37:05,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 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) [2022-11-16 11:37:05,211 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:05,211 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:37:05,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:37:05,212 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:05,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:05,213 INFO L85 PathProgramCache]: Analyzing trace with hash 92476857, now seen corresponding path program 1 times [2022-11-16 11:37:05,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:05,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184757569] [2022-11-16 11:37:05,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:05,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:05,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:05,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:05,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184757569] [2022-11-16 11:37:05,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184757569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:05,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:05,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:37:05,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222935399] [2022-11-16 11:37:05,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:05,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:05,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:05,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:05,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:05,282 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 449 [2022-11-16 11:37:05,284 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 412 transitions, 834 flow. Second operand has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 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) [2022-11-16 11:37:05,285 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:05,285 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 449 [2022-11-16 11:37:05,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:06,071 INFO L130 PetriNetUnfolder]: 482/3355 cut-off events. [2022-11-16 11:37:06,071 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2022-11-16 11:37:06,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4008 conditions, 3355 events. 482/3355 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 32651 event pairs, 279 based on Foata normal form. 0/2678 useless extension candidates. Maximal degree in co-relation 3957. Up to 536 conditions per place. [2022-11-16 11:37:06,154 INFO L137 encePairwiseOnDemand]: 446/449 looper letters, 27 selfloop transitions, 2 changer transitions 0/411 dead transitions. [2022-11-16 11:37:06,154 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 411 transitions, 890 flow [2022-11-16 11:37:06,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:06,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:37:06,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1260 transitions. [2022-11-16 11:37:06,158 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9354120267260579 [2022-11-16 11:37:06,159 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1260 transitions. [2022-11-16 11:37:06,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1260 transitions. [2022-11-16 11:37:06,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:06,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1260 transitions. [2022-11-16 11:37:06,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 420.0) internal successors, (1260), 3 states have internal predecessors, (1260), 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) [2022-11-16 11:37:06,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:06,170 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:06,171 INFO L175 Difference]: Start difference. First operand has 400 places, 412 transitions, 834 flow. Second operand 3 states and 1260 transitions. [2022-11-16 11:37:06,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 411 transitions, 890 flow [2022-11-16 11:37:06,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 411 transitions, 886 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:37:06,181 INFO L231 Difference]: Finished difference. Result has 399 places, 411 transitions, 832 flow [2022-11-16 11:37:06,182 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=832, PETRI_PLACES=399, PETRI_TRANSITIONS=411} [2022-11-16 11:37:06,183 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -9 predicate places. [2022-11-16 11:37:06,183 INFO L495 AbstractCegarLoop]: Abstraction has has 399 places, 411 transitions, 832 flow [2022-11-16 11:37:06,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 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) [2022-11-16 11:37:06,185 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:06,185 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:37:06,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:37:06,186 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:06,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:06,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1152249708, now seen corresponding path program 1 times [2022-11-16 11:37:06,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:06,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665871558] [2022-11-16 11:37:06,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:06,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:06,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:06,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:06,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665871558] [2022-11-16 11:37:06,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665871558] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:06,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:06,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:37:06,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291913431] [2022-11-16 11:37:06,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:06,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:06,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:06,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:06,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:06,255 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 449 [2022-11-16 11:37:06,257 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 411 transitions, 832 flow. Second operand has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 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) [2022-11-16 11:37:06,258 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:06,258 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 449 [2022-11-16 11:37:06,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:06,887 INFO L130 PetriNetUnfolder]: 213/1730 cut-off events. [2022-11-16 11:37:06,887 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2022-11-16 11:37:06,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2019 conditions, 1730 events. 213/1730 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 12895 event pairs, 117 based on Foata normal form. 0/1368 useless extension candidates. Maximal degree in co-relation 1962. Up to 262 conditions per place. [2022-11-16 11:37:06,958 INFO L137 encePairwiseOnDemand]: 446/449 looper letters, 27 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2022-11-16 11:37:06,959 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 410 transitions, 888 flow [2022-11-16 11:37:06,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:06,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:37:06,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1260 transitions. [2022-11-16 11:37:06,964 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9354120267260579 [2022-11-16 11:37:06,964 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1260 transitions. [2022-11-16 11:37:06,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1260 transitions. [2022-11-16 11:37:06,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:06,966 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1260 transitions. [2022-11-16 11:37:06,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 420.0) internal successors, (1260), 3 states have internal predecessors, (1260), 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) [2022-11-16 11:37:06,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:06,976 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:06,977 INFO L175 Difference]: Start difference. First operand has 399 places, 411 transitions, 832 flow. Second operand 3 states and 1260 transitions. [2022-11-16 11:37:06,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 410 transitions, 888 flow [2022-11-16 11:37:06,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 410 transitions, 884 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:37:06,988 INFO L231 Difference]: Finished difference. Result has 398 places, 410 transitions, 830 flow [2022-11-16 11:37:06,989 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=830, PETRI_PLACES=398, PETRI_TRANSITIONS=410} [2022-11-16 11:37:06,993 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -10 predicate places. [2022-11-16 11:37:06,993 INFO L495 AbstractCegarLoop]: Abstraction has has 398 places, 410 transitions, 830 flow [2022-11-16 11:37:06,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 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) [2022-11-16 11:37:06,995 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:06,995 INFO L209 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] [2022-11-16 11:37:06,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:37:06,996 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:06,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:06,998 INFO L85 PathProgramCache]: Analyzing trace with hash 265688769, now seen corresponding path program 1 times [2022-11-16 11:37:06,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:06,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790592031] [2022-11-16 11:37:06,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:06,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:07,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:07,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:07,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790592031] [2022-11-16 11:37:07,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790592031] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:07,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:07,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:37:07,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024511998] [2022-11-16 11:37:07,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:07,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:07,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:07,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:07,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:07,115 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 449 [2022-11-16 11:37:07,118 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 410 transitions, 830 flow. Second operand has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 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) [2022-11-16 11:37:07,119 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:07,119 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 449 [2022-11-16 11:37:07,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:08,010 INFO L130 PetriNetUnfolder]: 489/3359 cut-off events. [2022-11-16 11:37:08,010 INFO L131 PetriNetUnfolder]: For 120/131 co-relation queries the response was YES. [2022-11-16 11:37:08,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3916 conditions, 3359 events. 489/3359 cut-off events. For 120/131 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 31691 event pairs, 279 based on Foata normal form. 0/2681 useless extension candidates. Maximal degree in co-relation 3853. Up to 539 conditions per place. [2022-11-16 11:37:08,092 INFO L137 encePairwiseOnDemand]: 446/449 looper letters, 27 selfloop transitions, 2 changer transitions 0/409 dead transitions. [2022-11-16 11:37:08,092 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 409 transitions, 886 flow [2022-11-16 11:37:08,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:08,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:37:08,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1260 transitions. [2022-11-16 11:37:08,097 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9354120267260579 [2022-11-16 11:37:08,097 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1260 transitions. [2022-11-16 11:37:08,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1260 transitions. [2022-11-16 11:37:08,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:08,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1260 transitions. [2022-11-16 11:37:08,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 420.0) internal successors, (1260), 3 states have internal predecessors, (1260), 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) [2022-11-16 11:37:08,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:08,107 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:08,108 INFO L175 Difference]: Start difference. First operand has 398 places, 410 transitions, 830 flow. Second operand 3 states and 1260 transitions. [2022-11-16 11:37:08,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 409 transitions, 886 flow [2022-11-16 11:37:08,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 409 transitions, 882 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:37:08,118 INFO L231 Difference]: Finished difference. Result has 397 places, 409 transitions, 828 flow [2022-11-16 11:37:08,119 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=828, PETRI_PLACES=397, PETRI_TRANSITIONS=409} [2022-11-16 11:37:08,123 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -11 predicate places. [2022-11-16 11:37:08,124 INFO L495 AbstractCegarLoop]: Abstraction has has 397 places, 409 transitions, 828 flow [2022-11-16 11:37:08,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 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) [2022-11-16 11:37:08,126 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:08,126 INFO L209 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] [2022-11-16 11:37:08,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:37:08,127 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:08,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:08,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1700273137, now seen corresponding path program 1 times [2022-11-16 11:37:08,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:08,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936760944] [2022-11-16 11:37:08,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:08,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:08,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:08,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:08,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936760944] [2022-11-16 11:37:08,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936760944] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:08,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:08,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:37:08,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336781673] [2022-11-16 11:37:08,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:08,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:08,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:08,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:08,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:08,212 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 449 [2022-11-16 11:37:08,213 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 409 transitions, 828 flow. Second operand has 3 states, 3 states have (on average 414.6666666666667) internal successors, (1244), 3 states have internal predecessors, (1244), 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) [2022-11-16 11:37:08,214 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:08,214 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 449 [2022-11-16 11:37:08,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:08,760 INFO L130 PetriNetUnfolder]: 298/2690 cut-off events. [2022-11-16 11:37:08,760 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-11-16 11:37:08,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3020 conditions, 2690 events. 298/2690 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 25138 event pairs, 117 based on Foata normal form. 0/2235 useless extension candidates. Maximal degree in co-relation 2950. Up to 263 conditions per place. [2022-11-16 11:37:08,814 INFO L137 encePairwiseOnDemand]: 441/449 looper letters, 22 selfloop transitions, 2 changer transitions 0/407 dead transitions. [2022-11-16 11:37:08,814 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 407 transitions, 874 flow [2022-11-16 11:37:08,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:08,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:37:08,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1269 transitions. [2022-11-16 11:37:08,819 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9420935412026726 [2022-11-16 11:37:08,819 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1269 transitions. [2022-11-16 11:37:08,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1269 transitions. [2022-11-16 11:37:08,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:08,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1269 transitions. [2022-11-16 11:37:08,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 423.0) internal successors, (1269), 3 states have internal predecessors, (1269), 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) [2022-11-16 11:37:08,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:08,828 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:08,829 INFO L175 Difference]: Start difference. First operand has 397 places, 409 transitions, 828 flow. Second operand 3 states and 1269 transitions. [2022-11-16 11:37:08,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 407 transitions, 874 flow [2022-11-16 11:37:08,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 407 transitions, 870 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:37:08,839 INFO L231 Difference]: Finished difference. Result has 392 places, 405 transitions, 826 flow [2022-11-16 11:37:08,840 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=392, PETRI_TRANSITIONS=405} [2022-11-16 11:37:08,841 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -16 predicate places. [2022-11-16 11:37:08,841 INFO L495 AbstractCegarLoop]: Abstraction has has 392 places, 405 transitions, 826 flow [2022-11-16 11:37:08,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 414.6666666666667) internal successors, (1244), 3 states have internal predecessors, (1244), 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) [2022-11-16 11:37:08,842 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:08,842 INFO L209 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] [2022-11-16 11:37:08,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:37:08,843 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:08,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:08,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1874945395, now seen corresponding path program 1 times [2022-11-16 11:37:08,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:08,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748109052] [2022-11-16 11:37:08,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:08,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:08,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:08,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:08,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748109052] [2022-11-16 11:37:08,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748109052] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:08,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:08,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:37:08,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872379571] [2022-11-16 11:37:08,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:08,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:08,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:08,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:08,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:08,896 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 449 [2022-11-16 11:37:08,898 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 405 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 414.6666666666667) internal successors, (1244), 3 states have internal predecessors, (1244), 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) [2022-11-16 11:37:08,898 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:08,898 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 449 [2022-11-16 11:37:08,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:09,288 INFO L130 PetriNetUnfolder]: 151/1542 cut-off events. [2022-11-16 11:37:09,288 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-11-16 11:37:09,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1707 conditions, 1542 events. 151/1542 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 11130 event pairs, 52 based on Foata normal form. 0/1288 useless extension candidates. Maximal degree in co-relation 1536. Up to 135 conditions per place. [2022-11-16 11:37:09,326 INFO L137 encePairwiseOnDemand]: 441/449 looper letters, 22 selfloop transitions, 2 changer transitions 0/403 dead transitions. [2022-11-16 11:37:09,327 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 403 transitions, 872 flow [2022-11-16 11:37:09,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:09,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:37:09,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1269 transitions. [2022-11-16 11:37:09,331 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9420935412026726 [2022-11-16 11:37:09,331 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1269 transitions. [2022-11-16 11:37:09,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1269 transitions. [2022-11-16 11:37:09,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:09,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1269 transitions. [2022-11-16 11:37:09,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 423.0) internal successors, (1269), 3 states have internal predecessors, (1269), 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) [2022-11-16 11:37:09,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:09,340 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:09,340 INFO L175 Difference]: Start difference. First operand has 392 places, 405 transitions, 826 flow. Second operand 3 states and 1269 transitions. [2022-11-16 11:37:09,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 403 transitions, 872 flow [2022-11-16 11:37:09,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 403 transitions, 872 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:37:09,349 INFO L231 Difference]: Finished difference. Result has 389 places, 401 transitions, 828 flow [2022-11-16 11:37:09,350 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=814, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=828, PETRI_PLACES=389, PETRI_TRANSITIONS=401} [2022-11-16 11:37:09,351 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -19 predicate places. [2022-11-16 11:37:09,351 INFO L495 AbstractCegarLoop]: Abstraction has has 389 places, 401 transitions, 828 flow [2022-11-16 11:37:09,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 414.6666666666667) internal successors, (1244), 3 states have internal predecessors, (1244), 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) [2022-11-16 11:37:09,352 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:09,352 INFO L209 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] [2022-11-16 11:37:09,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:37:09,353 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:09,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:09,353 INFO L85 PathProgramCache]: Analyzing trace with hash 227316960, now seen corresponding path program 1 times [2022-11-16 11:37:09,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:09,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297521765] [2022-11-16 11:37:09,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:09,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:09,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:09,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297521765] [2022-11-16 11:37:09,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297521765] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:09,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:09,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:37:09,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993066973] [2022-11-16 11:37:09,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:09,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:09,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:09,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:09,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:09,404 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 449 [2022-11-16 11:37:09,406 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 401 transitions, 828 flow. Second operand has 3 states, 3 states have (on average 415.0) internal successors, (1245), 3 states have internal predecessors, (1245), 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) [2022-11-16 11:37:09,406 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:09,407 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 449 [2022-11-16 11:37:09,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:10,230 INFO L130 PetriNetUnfolder]: 506/4414 cut-off events. [2022-11-16 11:37:10,231 INFO L131 PetriNetUnfolder]: For 63/80 co-relation queries the response was YES. [2022-11-16 11:37:10,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4902 conditions, 4414 events. 506/4414 cut-off events. For 63/80 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 44953 event pairs, 182 based on Foata normal form. 0/3728 useless extension candidates. Maximal degree in co-relation 3697. Up to 445 conditions per place. [2022-11-16 11:37:10,325 INFO L137 encePairwiseOnDemand]: 441/449 looper letters, 22 selfloop transitions, 2 changer transitions 0/399 dead transitions. [2022-11-16 11:37:10,326 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 399 transitions, 874 flow [2022-11-16 11:37:10,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:10,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:37:10,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1269 transitions. [2022-11-16 11:37:10,329 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9420935412026726 [2022-11-16 11:37:10,329 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1269 transitions. [2022-11-16 11:37:10,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1269 transitions. [2022-11-16 11:37:10,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:10,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1269 transitions. [2022-11-16 11:37:10,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 423.0) internal successors, (1269), 3 states have internal predecessors, (1269), 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) [2022-11-16 11:37:10,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:10,349 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:10,349 INFO L175 Difference]: Start difference. First operand has 389 places, 401 transitions, 828 flow. Second operand 3 states and 1269 transitions. [2022-11-16 11:37:10,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 399 transitions, 874 flow [2022-11-16 11:37:10,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 399 transitions, 874 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:37:10,358 INFO L231 Difference]: Finished difference. Result has 386 places, 397 transitions, 830 flow [2022-11-16 11:37:10,359 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=830, PETRI_PLACES=386, PETRI_TRANSITIONS=397} [2022-11-16 11:37:10,369 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -22 predicate places. [2022-11-16 11:37:10,369 INFO L495 AbstractCegarLoop]: Abstraction has has 386 places, 397 transitions, 830 flow [2022-11-16 11:37:10,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.0) internal successors, (1245), 3 states have internal predecessors, (1245), 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) [2022-11-16 11:37:10,372 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:10,372 INFO L209 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] [2022-11-16 11:37:10,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:37:10,373 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:10,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:10,373 INFO L85 PathProgramCache]: Analyzing trace with hash -589697338, now seen corresponding path program 1 times [2022-11-16 11:37:10,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:10,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865748576] [2022-11-16 11:37:10,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:10,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:10,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:10,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:10,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865748576] [2022-11-16 11:37:10,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865748576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:10,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:10,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:37:10,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239389888] [2022-11-16 11:37:10,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:10,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:10,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:10,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:10,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:10,466 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 449 [2022-11-16 11:37:10,467 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 397 transitions, 830 flow. Second operand has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 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) [2022-11-16 11:37:10,467 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:10,467 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 449 [2022-11-16 11:37:10,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:10,742 INFO L130 PetriNetUnfolder]: 79/1032 cut-off events. [2022-11-16 11:37:10,742 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-16 11:37:10,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1127 conditions, 1032 events. 79/1032 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 6921 event pairs, 10 based on Foata normal form. 0/888 useless extension candidates. Maximal degree in co-relation 869. Up to 35 conditions per place. [2022-11-16 11:37:10,772 INFO L137 encePairwiseOnDemand]: 445/449 looper letters, 14 selfloop transitions, 3 changer transitions 0/401 dead transitions. [2022-11-16 11:37:10,772 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 401 transitions, 874 flow [2022-11-16 11:37:10,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:10,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:37:10,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1299 transitions. [2022-11-16 11:37:10,776 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9643652561247216 [2022-11-16 11:37:10,776 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1299 transitions. [2022-11-16 11:37:10,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1299 transitions. [2022-11-16 11:37:10,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:10,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1299 transitions. [2022-11-16 11:37:10,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 433.0) internal successors, (1299), 3 states have internal predecessors, (1299), 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) [2022-11-16 11:37:10,783 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:10,784 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:10,784 INFO L175 Difference]: Start difference. First operand has 386 places, 397 transitions, 830 flow. Second operand 3 states and 1299 transitions. [2022-11-16 11:37:10,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 401 transitions, 874 flow [2022-11-16 11:37:10,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 401 transitions, 874 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:37:10,795 INFO L231 Difference]: Finished difference. Result has 390 places, 399 transitions, 852 flow [2022-11-16 11:37:10,796 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=852, PETRI_PLACES=390, PETRI_TRANSITIONS=399} [2022-11-16 11:37:10,797 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -18 predicate places. [2022-11-16 11:37:10,797 INFO L495 AbstractCegarLoop]: Abstraction has has 390 places, 399 transitions, 852 flow [2022-11-16 11:37:10,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 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) [2022-11-16 11:37:10,798 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:10,799 INFO L209 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] [2022-11-16 11:37:10,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:37:10,799 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:10,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:10,800 INFO L85 PathProgramCache]: Analyzing trace with hash -616823512, now seen corresponding path program 1 times [2022-11-16 11:37:10,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:10,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457384724] [2022-11-16 11:37:10,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:10,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:10,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:10,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:10,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457384724] [2022-11-16 11:37:10,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457384724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:10,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:10,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:37:10,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589741377] [2022-11-16 11:37:10,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:10,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:10,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:10,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:10,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:10,857 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 449 [2022-11-16 11:37:10,858 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 399 transitions, 852 flow. Second operand has 3 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 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) [2022-11-16 11:37:10,858 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:10,859 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 449 [2022-11-16 11:37:10,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:11,559 INFO L130 PetriNetUnfolder]: 206/2257 cut-off events. [2022-11-16 11:37:11,560 INFO L131 PetriNetUnfolder]: For 32/38 co-relation queries the response was YES. [2022-11-16 11:37:11,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2550 conditions, 2257 events. 206/2257 cut-off events. For 32/38 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 19532 event pairs, 18 based on Foata normal form. 0/1980 useless extension candidates. Maximal degree in co-relation 2168. Up to 166 conditions per place. [2022-11-16 11:37:11,633 INFO L137 encePairwiseOnDemand]: 441/449 looper letters, 21 selfloop transitions, 4 changer transitions 0/404 dead transitions. [2022-11-16 11:37:11,633 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 404 transitions, 917 flow [2022-11-16 11:37:11,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:11,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:37:11,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2022-11-16 11:37:11,638 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9547141796585004 [2022-11-16 11:37:11,638 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1286 transitions. [2022-11-16 11:37:11,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1286 transitions. [2022-11-16 11:37:11,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:11,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1286 transitions. [2022-11-16 11:37:11,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 428.6666666666667) internal successors, (1286), 3 states have internal predecessors, (1286), 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) [2022-11-16 11:37:11,648 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:11,649 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:11,649 INFO L175 Difference]: Start difference. First operand has 390 places, 399 transitions, 852 flow. Second operand 3 states and 1286 transitions. [2022-11-16 11:37:11,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 404 transitions, 917 flow [2022-11-16 11:37:11,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 404 transitions, 911 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:37:11,661 INFO L231 Difference]: Finished difference. Result has 387 places, 399 transitions, 866 flow [2022-11-16 11:37:11,662 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=838, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=866, PETRI_PLACES=387, PETRI_TRANSITIONS=399} [2022-11-16 11:37:11,663 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -21 predicate places. [2022-11-16 11:37:11,663 INFO L495 AbstractCegarLoop]: Abstraction has has 387 places, 399 transitions, 866 flow [2022-11-16 11:37:11,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 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) [2022-11-16 11:37:11,664 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:11,664 INFO L209 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] [2022-11-16 11:37:11,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 11:37:11,665 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:11,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:11,665 INFO L85 PathProgramCache]: Analyzing trace with hash -61873458, now seen corresponding path program 1 times [2022-11-16 11:37:11,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:11,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636046389] [2022-11-16 11:37:11,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:11,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:11,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:11,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:11,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636046389] [2022-11-16 11:37:11,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636046389] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:11,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:11,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:37:11,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760104129] [2022-11-16 11:37:11,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:11,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:11,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:11,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:11,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:11,722 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 449 [2022-11-16 11:37:11,725 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 399 transitions, 866 flow. Second operand has 3 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 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) [2022-11-16 11:37:11,725 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:11,725 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 449 [2022-11-16 11:37:11,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:12,633 INFO L130 PetriNetUnfolder]: 265/3097 cut-off events. [2022-11-16 11:37:12,633 INFO L131 PetriNetUnfolder]: For 43/45 co-relation queries the response was YES. [2022-11-16 11:37:12,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3434 conditions, 3097 events. 265/3097 cut-off events. For 43/45 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 27462 event pairs, 36 based on Foata normal form. 0/2702 useless extension candidates. Maximal degree in co-relation 3102. Up to 198 conditions per place. [2022-11-16 11:37:12,741 INFO L137 encePairwiseOnDemand]: 441/449 looper letters, 21 selfloop transitions, 4 changer transitions 0/404 dead transitions. [2022-11-16 11:37:12,741 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 404 transitions, 931 flow [2022-11-16 11:37:12,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:12,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:37:12,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2022-11-16 11:37:12,745 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9547141796585004 [2022-11-16 11:37:12,746 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1286 transitions. [2022-11-16 11:37:12,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1286 transitions. [2022-11-16 11:37:12,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:12,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1286 transitions. [2022-11-16 11:37:12,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 428.6666666666667) internal successors, (1286), 3 states have internal predecessors, (1286), 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) [2022-11-16 11:37:12,754 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:12,755 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:12,756 INFO L175 Difference]: Start difference. First operand has 387 places, 399 transitions, 866 flow. Second operand 3 states and 1286 transitions. [2022-11-16 11:37:12,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 404 transitions, 931 flow [2022-11-16 11:37:12,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 404 transitions, 931 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:37:12,767 INFO L231 Difference]: Finished difference. Result has 386 places, 399 transitions, 886 flow [2022-11-16 11:37:12,768 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=886, PETRI_PLACES=386, PETRI_TRANSITIONS=399} [2022-11-16 11:37:12,769 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -22 predicate places. [2022-11-16 11:37:12,769 INFO L495 AbstractCegarLoop]: Abstraction has has 386 places, 399 transitions, 886 flow [2022-11-16 11:37:12,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 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) [2022-11-16 11:37:12,770 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:12,771 INFO L209 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] [2022-11-16 11:37:12,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 11:37:12,771 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:12,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:12,772 INFO L85 PathProgramCache]: Analyzing trace with hash 2113977362, now seen corresponding path program 1 times [2022-11-16 11:37:12,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:12,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437706381] [2022-11-16 11:37:12,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:12,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:12,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:12,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:12,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437706381] [2022-11-16 11:37:12,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437706381] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:12,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:12,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:37:12,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401729834] [2022-11-16 11:37:12,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:12,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:12,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:12,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:12,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:12,820 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 449 [2022-11-16 11:37:12,821 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 399 transitions, 886 flow. Second operand has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 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) [2022-11-16 11:37:12,822 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:12,822 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 449 [2022-11-16 11:37:12,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:13,540 INFO L130 PetriNetUnfolder]: 236/3040 cut-off events. [2022-11-16 11:37:13,540 INFO L131 PetriNetUnfolder]: For 10/18 co-relation queries the response was YES. [2022-11-16 11:37:13,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3376 conditions, 3040 events. 236/3040 cut-off events. For 10/18 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 28512 event pairs, 14 based on Foata normal form. 1/2666 useless extension candidates. Maximal degree in co-relation 3045. Up to 62 conditions per place. [2022-11-16 11:37:13,590 INFO L137 encePairwiseOnDemand]: 446/449 looper letters, 13 selfloop transitions, 2 changer transitions 0/400 dead transitions. [2022-11-16 11:37:13,590 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 400 transitions, 920 flow [2022-11-16 11:37:13,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:13,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:37:13,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1294 transitions. [2022-11-16 11:37:13,596 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9606533036377134 [2022-11-16 11:37:13,596 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1294 transitions. [2022-11-16 11:37:13,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1294 transitions. [2022-11-16 11:37:13,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:13,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1294 transitions. [2022-11-16 11:37:13,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 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) [2022-11-16 11:37:13,602 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:13,603 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:13,603 INFO L175 Difference]: Start difference. First operand has 386 places, 399 transitions, 886 flow. Second operand 3 states and 1294 transitions. [2022-11-16 11:37:13,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 400 transitions, 920 flow [2022-11-16 11:37:13,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 400 transitions, 920 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:37:13,613 INFO L231 Difference]: Finished difference. Result has 387 places, 398 transitions, 888 flow [2022-11-16 11:37:13,614 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=884, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=888, PETRI_PLACES=387, PETRI_TRANSITIONS=398} [2022-11-16 11:37:13,614 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -21 predicate places. [2022-11-16 11:37:13,615 INFO L495 AbstractCegarLoop]: Abstraction has has 387 places, 398 transitions, 888 flow [2022-11-16 11:37:13,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 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) [2022-11-16 11:37:13,616 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:13,616 INFO L209 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] [2022-11-16 11:37:13,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 11:37:13,616 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:13,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:13,617 INFO L85 PathProgramCache]: Analyzing trace with hash 111984819, now seen corresponding path program 1 times [2022-11-16 11:37:13,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:13,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327624104] [2022-11-16 11:37:13,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:13,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:13,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:13,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:13,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327624104] [2022-11-16 11:37:13,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327624104] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:13,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:13,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:37:13,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356674187] [2022-11-16 11:37:13,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:13,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:13,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:13,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:13,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:13,662 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 449 [2022-11-16 11:37:13,663 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 398 transitions, 888 flow. Second operand has 3 states, 3 states have (on average 428.6666666666667) internal successors, (1286), 3 states have internal predecessors, (1286), 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) [2022-11-16 11:37:13,663 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:13,664 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 449 [2022-11-16 11:37:13,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:14,367 INFO L130 PetriNetUnfolder]: 221/2501 cut-off events. [2022-11-16 11:37:14,368 INFO L131 PetriNetUnfolder]: For 33/54 co-relation queries the response was YES. [2022-11-16 11:37:14,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2884 conditions, 2501 events. 221/2501 cut-off events. For 33/54 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 22098 event pairs, 42 based on Foata normal form. 0/2184 useless extension candidates. Maximal degree in co-relation 2383. Up to 136 conditions per place. [2022-11-16 11:37:14,465 INFO L137 encePairwiseOnDemand]: 445/449 looper letters, 14 selfloop transitions, 3 changer transitions 0/402 dead transitions. [2022-11-16 11:37:14,466 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 402 transitions, 932 flow [2022-11-16 11:37:14,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:14,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:37:14,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1299 transitions. [2022-11-16 11:37:14,470 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9643652561247216 [2022-11-16 11:37:14,470 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1299 transitions. [2022-11-16 11:37:14,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1299 transitions. [2022-11-16 11:37:14,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:14,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1299 transitions. [2022-11-16 11:37:14,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 433.0) internal successors, (1299), 3 states have internal predecessors, (1299), 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) [2022-11-16 11:37:14,479 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:14,479 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:14,480 INFO L175 Difference]: Start difference. First operand has 387 places, 398 transitions, 888 flow. Second operand 3 states and 1299 transitions. [2022-11-16 11:37:14,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 402 transitions, 932 flow [2022-11-16 11:37:14,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 402 transitions, 928 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:37:14,489 INFO L231 Difference]: Finished difference. Result has 389 places, 400 transitions, 906 flow [2022-11-16 11:37:14,490 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=884, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=906, PETRI_PLACES=389, PETRI_TRANSITIONS=400} [2022-11-16 11:37:14,491 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -19 predicate places. [2022-11-16 11:37:14,491 INFO L495 AbstractCegarLoop]: Abstraction has has 389 places, 400 transitions, 906 flow [2022-11-16 11:37:14,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.6666666666667) internal successors, (1286), 3 states have internal predecessors, (1286), 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) [2022-11-16 11:37:14,492 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:14,492 INFO L209 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] [2022-11-16 11:37:14,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 11:37:14,492 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:14,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:14,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1131900441, now seen corresponding path program 1 times [2022-11-16 11:37:14,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:14,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368582001] [2022-11-16 11:37:14,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:14,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:15,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:15,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:15,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368582001] [2022-11-16 11:37:15,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368582001] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:15,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:15,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:37:15,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13396125] [2022-11-16 11:37:15,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:15,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:37:15,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:15,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:37:15,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:37:15,009 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 449 [2022-11-16 11:37:15,012 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 400 transitions, 906 flow. Second operand has 6 states, 6 states have (on average 412.0) internal successors, (2472), 6 states have internal predecessors, (2472), 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) [2022-11-16 11:37:15,013 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:15,013 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 449 [2022-11-16 11:37:15,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:15,656 INFO L130 PetriNetUnfolder]: 118/1731 cut-off events. [2022-11-16 11:37:15,657 INFO L131 PetriNetUnfolder]: For 18/34 co-relation queries the response was YES. [2022-11-16 11:37:15,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1966 conditions, 1731 events. 118/1731 cut-off events. For 18/34 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 13243 event pairs, 2 based on Foata normal form. 8/1536 useless extension candidates. Maximal degree in co-relation 1670. Up to 44 conditions per place. [2022-11-16 11:37:15,714 INFO L137 encePairwiseOnDemand]: 444/449 looper letters, 23 selfloop transitions, 4 changer transitions 0/399 dead transitions. [2022-11-16 11:37:15,714 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 399 transitions, 958 flow [2022-11-16 11:37:15,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:37:15,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:37:15,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2488 transitions. [2022-11-16 11:37:15,722 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9235337787676318 [2022-11-16 11:37:15,722 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2488 transitions. [2022-11-16 11:37:15,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2488 transitions. [2022-11-16 11:37:15,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:15,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2488 transitions. [2022-11-16 11:37:15,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 414.6666666666667) internal successors, (2488), 6 states have internal predecessors, (2488), 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) [2022-11-16 11:37:15,738 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 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) [2022-11-16 11:37:15,739 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 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) [2022-11-16 11:37:15,739 INFO L175 Difference]: Start difference. First operand has 389 places, 400 transitions, 906 flow. Second operand 6 states and 2488 transitions. [2022-11-16 11:37:15,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 399 transitions, 958 flow [2022-11-16 11:37:15,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 399 transitions, 952 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:37:15,750 INFO L231 Difference]: Finished difference. Result has 391 places, 399 transitions, 906 flow [2022-11-16 11:37:15,751 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=906, PETRI_PLACES=391, PETRI_TRANSITIONS=399} [2022-11-16 11:37:15,752 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -17 predicate places. [2022-11-16 11:37:15,752 INFO L495 AbstractCegarLoop]: Abstraction has has 391 places, 399 transitions, 906 flow [2022-11-16 11:37:15,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 412.0) internal successors, (2472), 6 states have internal predecessors, (2472), 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) [2022-11-16 11:37:15,753 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:15,753 INFO L209 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] [2022-11-16 11:37:15,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 11:37:15,754 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:15,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:15,754 INFO L85 PathProgramCache]: Analyzing trace with hash -46436545, now seen corresponding path program 1 times [2022-11-16 11:37:15,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:15,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95457051] [2022-11-16 11:37:15,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:15,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:15,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:15,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:15,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95457051] [2022-11-16 11:37:15,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95457051] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:15,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:15,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:37:15,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753919957] [2022-11-16 11:37:15,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:15,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:15,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:15,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:15,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:15,825 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 449 [2022-11-16 11:37:15,827 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 399 transitions, 906 flow. Second operand has 3 states, 3 states have (on average 424.6666666666667) internal successors, (1274), 3 states have internal predecessors, (1274), 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) [2022-11-16 11:37:15,827 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:15,827 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 449 [2022-11-16 11:37:15,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:16,728 INFO L130 PetriNetUnfolder]: 390/4359 cut-off events. [2022-11-16 11:37:16,728 INFO L131 PetriNetUnfolder]: For 39/62 co-relation queries the response was YES. [2022-11-16 11:37:16,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5059 conditions, 4359 events. 390/4359 cut-off events. For 39/62 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 44670 event pairs, 32 based on Foata normal form. 2/3846 useless extension candidates. Maximal degree in co-relation 4544. Up to 132 conditions per place. [2022-11-16 11:37:16,826 INFO L137 encePairwiseOnDemand]: 446/449 looper letters, 16 selfloop transitions, 2 changer transitions 0/400 dead transitions. [2022-11-16 11:37:16,826 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 400 transitions, 946 flow [2022-11-16 11:37:16,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:16,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:37:16,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1288 transitions. [2022-11-16 11:37:16,831 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9561989606533037 [2022-11-16 11:37:16,831 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1288 transitions. [2022-11-16 11:37:16,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1288 transitions. [2022-11-16 11:37:16,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:16,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1288 transitions. [2022-11-16 11:37:16,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 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) [2022-11-16 11:37:16,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:16,840 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:16,841 INFO L175 Difference]: Start difference. First operand has 391 places, 399 transitions, 906 flow. Second operand 3 states and 1288 transitions. [2022-11-16 11:37:16,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 400 transitions, 946 flow [2022-11-16 11:37:16,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 400 transitions, 939 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:37:16,851 INFO L231 Difference]: Finished difference. Result has 388 places, 398 transitions, 901 flow [2022-11-16 11:37:16,852 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=897, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=901, PETRI_PLACES=388, PETRI_TRANSITIONS=398} [2022-11-16 11:37:16,853 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -20 predicate places. [2022-11-16 11:37:16,853 INFO L495 AbstractCegarLoop]: Abstraction has has 388 places, 398 transitions, 901 flow [2022-11-16 11:37:16,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.6666666666667) internal successors, (1274), 3 states have internal predecessors, (1274), 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) [2022-11-16 11:37:16,854 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:16,854 INFO L209 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] [2022-11-16 11:37:16,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 11:37:16,854 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:16,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:16,855 INFO L85 PathProgramCache]: Analyzing trace with hash 2072679931, now seen corresponding path program 1 times [2022-11-16 11:37:16,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:16,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074338776] [2022-11-16 11:37:16,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:16,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:16,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:16,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:16,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074338776] [2022-11-16 11:37:16,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074338776] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:16,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:16,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:37:16,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200897422] [2022-11-16 11:37:16,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:16,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:16,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:16,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:16,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:16,912 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 449 [2022-11-16 11:37:16,914 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 398 transitions, 901 flow. Second operand has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 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) [2022-11-16 11:37:16,914 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:16,914 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 449 [2022-11-16 11:37:16,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:17,882 INFO L130 PetriNetUnfolder]: 648/5890 cut-off events. [2022-11-16 11:37:17,882 INFO L131 PetriNetUnfolder]: For 80/89 co-relation queries the response was YES. [2022-11-16 11:37:17,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6925 conditions, 5890 events. 648/5890 cut-off events. For 80/89 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 64433 event pairs, 68 based on Foata normal form. 2/5310 useless extension candidates. Maximal degree in co-relation 6339. Up to 585 conditions per place. [2022-11-16 11:37:17,979 INFO L137 encePairwiseOnDemand]: 441/449 looper letters, 20 selfloop transitions, 4 changer transitions 0/402 dead transitions. [2022-11-16 11:37:17,979 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 402 transitions, 961 flow [2022-11-16 11:37:17,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:17,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:37:17,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1285 transitions. [2022-11-16 11:37:17,983 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9539717891610987 [2022-11-16 11:37:17,983 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1285 transitions. [2022-11-16 11:37:17,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1285 transitions. [2022-11-16 11:37:17,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:17,985 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1285 transitions. [2022-11-16 11:37:17,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 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) [2022-11-16 11:37:17,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:17,992 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:17,992 INFO L175 Difference]: Start difference. First operand has 388 places, 398 transitions, 901 flow. Second operand 3 states and 1285 transitions. [2022-11-16 11:37:17,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 402 transitions, 961 flow [2022-11-16 11:37:17,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 402 transitions, 957 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:37:18,004 INFO L231 Difference]: Finished difference. Result has 385 places, 398 transitions, 917 flow [2022-11-16 11:37:18,004 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=889, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=917, PETRI_PLACES=385, PETRI_TRANSITIONS=398} [2022-11-16 11:37:18,005 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -23 predicate places. [2022-11-16 11:37:18,005 INFO L495 AbstractCegarLoop]: Abstraction has has 385 places, 398 transitions, 917 flow [2022-11-16 11:37:18,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 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) [2022-11-16 11:37:18,006 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:18,006 INFO L209 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] [2022-11-16 11:37:18,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 11:37:18,006 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:18,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:18,007 INFO L85 PathProgramCache]: Analyzing trace with hash 156151776, now seen corresponding path program 1 times [2022-11-16 11:37:18,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:18,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271863215] [2022-11-16 11:37:18,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:18,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:18,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:18,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:18,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271863215] [2022-11-16 11:37:18,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271863215] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:18,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:18,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:37:18,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295496554] [2022-11-16 11:37:18,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:18,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:18,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:18,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:18,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:18,072 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 449 [2022-11-16 11:37:18,074 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 398 transitions, 917 flow. Second operand has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 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) [2022-11-16 11:37:18,074 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:18,074 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 449 [2022-11-16 11:37:18,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:19,127 INFO L130 PetriNetUnfolder]: 414/4047 cut-off events. [2022-11-16 11:37:19,127 INFO L131 PetriNetUnfolder]: For 111/131 co-relation queries the response was YES. [2022-11-16 11:37:19,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4865 conditions, 4047 events. 414/4047 cut-off events. For 111/131 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 39515 event pairs, 64 based on Foata normal form. 2/3595 useless extension candidates. Maximal degree in co-relation 4762. Up to 286 conditions per place. [2022-11-16 11:37:19,216 INFO L137 encePairwiseOnDemand]: 445/449 looper letters, 14 selfloop transitions, 3 changer transitions 0/402 dead transitions. [2022-11-16 11:37:19,216 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 402 transitions, 961 flow [2022-11-16 11:37:19,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:19,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:37:19,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1299 transitions. [2022-11-16 11:37:19,220 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9643652561247216 [2022-11-16 11:37:19,220 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1299 transitions. [2022-11-16 11:37:19,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1299 transitions. [2022-11-16 11:37:19,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:19,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1299 transitions. [2022-11-16 11:37:19,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 433.0) internal successors, (1299), 3 states have internal predecessors, (1299), 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) [2022-11-16 11:37:19,230 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:19,231 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:19,231 INFO L175 Difference]: Start difference. First operand has 385 places, 398 transitions, 917 flow. Second operand 3 states and 1299 transitions. [2022-11-16 11:37:19,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 402 transitions, 961 flow [2022-11-16 11:37:19,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 402 transitions, 961 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:37:19,243 INFO L231 Difference]: Finished difference. Result has 389 places, 400 transitions, 939 flow [2022-11-16 11:37:19,243 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=917, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=939, PETRI_PLACES=389, PETRI_TRANSITIONS=400} [2022-11-16 11:37:19,244 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -19 predicate places. [2022-11-16 11:37:19,244 INFO L495 AbstractCegarLoop]: Abstraction has has 389 places, 400 transitions, 939 flow [2022-11-16 11:37:19,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 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) [2022-11-16 11:37:19,245 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:19,245 INFO L209 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] [2022-11-16 11:37:19,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-16 11:37:19,246 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:19,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:19,246 INFO L85 PathProgramCache]: Analyzing trace with hash -235626580, now seen corresponding path program 1 times [2022-11-16 11:37:19,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:19,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370623833] [2022-11-16 11:37:19,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:19,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:19,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:19,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:19,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370623833] [2022-11-16 11:37:19,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370623833] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:19,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:19,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:37:19,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881848595] [2022-11-16 11:37:19,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:19,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:19,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:19,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:19,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:19,323 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 449 [2022-11-16 11:37:19,326 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 400 transitions, 939 flow. Second operand has 3 states, 3 states have (on average 425.0) internal successors, (1275), 3 states have internal predecessors, (1275), 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) [2022-11-16 11:37:19,326 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:19,326 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 449 [2022-11-16 11:37:19,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:20,342 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1217] L56-50-->L56-51: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet24#1=|v_thread3Thread1of1ForFork0_#t~nondet24#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet24#1][255], [120#L56-51true, Black: 511#true, Black: 480#true, Black: 516#true, 522#true, Black: 485#true, 276#L76-7true, Black: 459#true, 461#(= |#race~sort_label_is_null_1~0| 0), 513#(= |#race~sort_label_4~0| 0), 466#(= |#race~sort_label_is_null_3~0| 0), Black: 496#(not |thread2Thread1of1ForFork2_#t~short11#1|), 487#(= |#race~sort_label_2~0| 0), Black: 464#true, 482#(= |#race~sort_label_0~0| 0), 505#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 471#(= |#race~sort_label_is_null_5~0| 0), Black: 469#true, 518#(not |thread3Thread1of1ForFork0_#t~short19#1|), Black: 476#(not |thread1Thread1of1ForFork1_#t~short3#1|)]) [2022-11-16 11:37:20,343 INFO L383 tUnfolder$Statistics]: this new event has 178 ancestors and is not cut-off event [2022-11-16 11:37:20,343 INFO L386 tUnfolder$Statistics]: existing Event has 190 ancestors and is not cut-off event [2022-11-16 11:37:20,343 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is not cut-off event [2022-11-16 11:37:20,343 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is not cut-off event [2022-11-16 11:37:20,344 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1217] L56-50-->L56-51: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet24#1=|v_thread3Thread1of1ForFork0_#t~nondet24#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet24#1][255], [120#L56-51true, Black: 511#true, Black: 480#true, 522#true, Black: 485#true, Black: 518#(not |thread3Thread1of1ForFork0_#t~short19#1|), 276#L76-7true, Black: 459#true, 516#true, 461#(= |#race~sort_label_is_null_1~0| 0), Black: 496#(not |thread2Thread1of1ForFork2_#t~short11#1|), 466#(= |#race~sort_label_is_null_3~0| 0), 513#(= |#race~sort_label_4~0| 0), 487#(= |#race~sort_label_2~0| 0), Black: 464#true, 482#(= |#race~sort_label_0~0| 0), 505#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 471#(= |#race~sort_label_is_null_5~0| 0), Black: 469#true, Black: 476#(not |thread1Thread1of1ForFork1_#t~short3#1|)]) [2022-11-16 11:37:20,344 INFO L383 tUnfolder$Statistics]: this new event has 178 ancestors and is not cut-off event [2022-11-16 11:37:20,344 INFO L386 tUnfolder$Statistics]: existing Event has 186 ancestors and is not cut-off event [2022-11-16 11:37:20,344 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is not cut-off event [2022-11-16 11:37:20,345 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is not cut-off event [2022-11-16 11:37:20,390 INFO L130 PetriNetUnfolder]: 392/3435 cut-off events. [2022-11-16 11:37:20,390 INFO L131 PetriNetUnfolder]: For 220/224 co-relation queries the response was YES. [2022-11-16 11:37:20,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4503 conditions, 3435 events. 392/3435 cut-off events. For 220/224 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 33350 event pairs, 48 based on Foata normal form. 0/3142 useless extension candidates. Maximal degree in co-relation 4398. Up to 248 conditions per place. [2022-11-16 11:37:20,522 INFO L137 encePairwiseOnDemand]: 446/449 looper letters, 15 selfloop transitions, 2 changer transitions 0/401 dead transitions. [2022-11-16 11:37:20,523 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 401 transitions, 977 flow [2022-11-16 11:37:20,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:20,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:37:20,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1287 transitions. [2022-11-16 11:37:20,527 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.955456570155902 [2022-11-16 11:37:20,527 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1287 transitions. [2022-11-16 11:37:20,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1287 transitions. [2022-11-16 11:37:20,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:20,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1287 transitions. [2022-11-16 11:37:20,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 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) [2022-11-16 11:37:20,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:20,536 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:20,536 INFO L175 Difference]: Start difference. First operand has 389 places, 400 transitions, 939 flow. Second operand 3 states and 1287 transitions. [2022-11-16 11:37:20,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 401 transitions, 977 flow [2022-11-16 11:37:20,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 401 transitions, 971 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:37:20,548 INFO L231 Difference]: Finished difference. Result has 388 places, 399 transitions, 935 flow [2022-11-16 11:37:20,549 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=931, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=935, PETRI_PLACES=388, PETRI_TRANSITIONS=399} [2022-11-16 11:37:20,549 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -20 predicate places. [2022-11-16 11:37:20,550 INFO L495 AbstractCegarLoop]: Abstraction has has 388 places, 399 transitions, 935 flow [2022-11-16 11:37:20,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.0) internal successors, (1275), 3 states have internal predecessors, (1275), 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) [2022-11-16 11:37:20,551 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:20,551 INFO L209 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] [2022-11-16 11:37:20,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-16 11:37:20,551 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:20,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:20,552 INFO L85 PathProgramCache]: Analyzing trace with hash -660517128, now seen corresponding path program 1 times [2022-11-16 11:37:20,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:20,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173153359] [2022-11-16 11:37:20,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:20,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:21,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:21,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:21,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173153359] [2022-11-16 11:37:21,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173153359] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:21,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:21,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:37:21,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123301348] [2022-11-16 11:37:21,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:21,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:37:21,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:21,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:37:21,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:37:21,184 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 449 [2022-11-16 11:37:21,187 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 399 transitions, 935 flow. Second operand has 6 states, 6 states have (on average 413.0) internal successors, (2478), 6 states have internal predecessors, (2478), 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) [2022-11-16 11:37:21,187 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:21,187 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 449 [2022-11-16 11:37:21,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:21,908 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1298] thread3EXIT-->L77-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][374], [Black: 511#true, Black: 480#true, 522#true, Black: 518#(not |thread3Thread1of1ForFork0_#t~short19#1|), Black: 485#true, Black: 459#true, 461#(= |#race~sort_label_is_null_1~0| 0), 51#L77-7true, 466#(= |#race~sort_label_is_null_3~0| 0), 513#(= |#race~sort_label_4~0| 0), Black: 496#(not |thread2Thread1of1ForFork2_#t~short11#1|), 487#(= |#race~sort_label_2~0| 0), Black: 464#true, 482#(= |#race~sort_label_0~0| 0), 505#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 471#(= |#race~sort_label_is_null_5~0| 0), Black: 469#true, 531#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 476#(not |thread1Thread1of1ForFork1_#t~short3#1|)]) [2022-11-16 11:37:21,908 INFO L383 tUnfolder$Statistics]: this new event has 198 ancestors and is not cut-off event [2022-11-16 11:37:21,908 INFO L386 tUnfolder$Statistics]: existing Event has 198 ancestors and is not cut-off event [2022-11-16 11:37:21,909 INFO L386 tUnfolder$Statistics]: existing Event has 198 ancestors and is not cut-off event [2022-11-16 11:37:21,909 INFO L386 tUnfolder$Statistics]: existing Event has 206 ancestors and is not cut-off event [2022-11-16 11:37:21,920 INFO L130 PetriNetUnfolder]: 237/2880 cut-off events. [2022-11-16 11:37:21,920 INFO L131 PetriNetUnfolder]: For 2/18 co-relation queries the response was YES. [2022-11-16 11:37:21,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3504 conditions, 2880 events. 237/2880 cut-off events. For 2/18 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 25843 event pairs, 3 based on Foata normal form. 0/2640 useless extension candidates. Maximal degree in co-relation 3392. Up to 134 conditions per place. [2022-11-16 11:37:21,976 INFO L137 encePairwiseOnDemand]: 444/449 looper letters, 22 selfloop transitions, 4 changer transitions 0/398 dead transitions. [2022-11-16 11:37:21,976 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 398 transitions, 985 flow [2022-11-16 11:37:21,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:37:21,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:37:21,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2487 transitions. [2022-11-16 11:37:21,984 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.923162583518931 [2022-11-16 11:37:21,984 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2487 transitions. [2022-11-16 11:37:21,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2487 transitions. [2022-11-16 11:37:21,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:21,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2487 transitions. [2022-11-16 11:37:21,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 414.5) internal successors, (2487), 6 states have internal predecessors, (2487), 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) [2022-11-16 11:37:21,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 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) [2022-11-16 11:37:21,999 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 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) [2022-11-16 11:37:22,000 INFO L175 Difference]: Start difference. First operand has 388 places, 399 transitions, 935 flow. Second operand 6 states and 2487 transitions. [2022-11-16 11:37:22,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 398 transitions, 985 flow [2022-11-16 11:37:22,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 398 transitions, 981 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:37:22,012 INFO L231 Difference]: Finished difference. Result has 390 places, 398 transitions, 937 flow [2022-11-16 11:37:22,013 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=929, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=937, PETRI_PLACES=390, PETRI_TRANSITIONS=398} [2022-11-16 11:37:22,013 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -18 predicate places. [2022-11-16 11:37:22,013 INFO L495 AbstractCegarLoop]: Abstraction has has 390 places, 398 transitions, 937 flow [2022-11-16 11:37:22,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 413.0) internal successors, (2478), 6 states have internal predecessors, (2478), 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) [2022-11-16 11:37:22,015 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:22,015 INFO L209 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] [2022-11-16 11:37:22,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-16 11:37:22,015 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:22,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:22,016 INFO L85 PathProgramCache]: Analyzing trace with hash 648558713, now seen corresponding path program 1 times [2022-11-16 11:37:22,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:22,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130765035] [2022-11-16 11:37:22,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:22,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:22,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:22,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:22,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130765035] [2022-11-16 11:37:22,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130765035] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:22,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:22,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:37:22,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644361779] [2022-11-16 11:37:22,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:22,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:37:22,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:22,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:37:22,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:37:22,678 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 449 [2022-11-16 11:37:22,680 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 398 transitions, 937 flow. Second operand has 6 states, 6 states have (on average 414.0) internal successors, (2484), 6 states have internal predecessors, (2484), 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) [2022-11-16 11:37:22,681 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:22,681 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 449 [2022-11-16 11:37:22,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:23,338 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1298] thread3EXIT-->L77-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][373], [Black: 511#true, Black: 480#true, Black: 485#true, Black: 518#(not |thread3Thread1of1ForFork0_#t~short19#1|), Black: 459#true, 461#(= |#race~sort_label_is_null_1~0| 0), 51#L77-7true, 466#(= |#race~sort_label_is_null_3~0| 0), Black: 496#(not |thread2Thread1of1ForFork2_#t~short11#1|), 513#(= |#race~sort_label_4~0| 0), 487#(= |#race~sort_label_2~0| 0), Black: 464#true, 538#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), 482#(= |#race~sort_label_0~0| 0), 505#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 471#(= |#race~sort_label_is_null_5~0| 0), Black: 469#true, 531#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 476#(not |thread1Thread1of1ForFork1_#t~short3#1|)]) [2022-11-16 11:37:23,338 INFO L383 tUnfolder$Statistics]: this new event has 198 ancestors and is not cut-off event [2022-11-16 11:37:23,338 INFO L386 tUnfolder$Statistics]: existing Event has 198 ancestors and is not cut-off event [2022-11-16 11:37:23,339 INFO L386 tUnfolder$Statistics]: existing Event has 206 ancestors and is not cut-off event [2022-11-16 11:37:23,339 INFO L386 tUnfolder$Statistics]: existing Event has 198 ancestors and is not cut-off event [2022-11-16 11:37:23,349 INFO L130 PetriNetUnfolder]: 237/2876 cut-off events. [2022-11-16 11:37:23,349 INFO L131 PetriNetUnfolder]: For 4/20 co-relation queries the response was YES. [2022-11-16 11:37:23,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3422 conditions, 2876 events. 237/2876 cut-off events. For 4/20 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 25820 event pairs, 3 based on Foata normal form. 0/2640 useless extension candidates. Maximal degree in co-relation 3310. Up to 134 conditions per place. [2022-11-16 11:37:23,439 INFO L137 encePairwiseOnDemand]: 444/449 looper letters, 21 selfloop transitions, 4 changer transitions 0/397 dead transitions. [2022-11-16 11:37:23,439 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 397 transitions, 985 flow [2022-11-16 11:37:23,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:37:23,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:37:23,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2486 transitions. [2022-11-16 11:37:23,448 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9227913882702301 [2022-11-16 11:37:23,448 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2486 transitions. [2022-11-16 11:37:23,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2486 transitions. [2022-11-16 11:37:23,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:23,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2486 transitions. [2022-11-16 11:37:23,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 414.3333333333333) internal successors, (2486), 6 states have internal predecessors, (2486), 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) [2022-11-16 11:37:23,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 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) [2022-11-16 11:37:23,478 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 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) [2022-11-16 11:37:23,478 INFO L175 Difference]: Start difference. First operand has 390 places, 398 transitions, 937 flow. Second operand 6 states and 2486 transitions. [2022-11-16 11:37:23,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 397 transitions, 985 flow [2022-11-16 11:37:23,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 397 transitions, 978 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:37:23,487 INFO L231 Difference]: Finished difference. Result has 390 places, 397 transitions, 936 flow [2022-11-16 11:37:23,487 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=928, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=936, PETRI_PLACES=390, PETRI_TRANSITIONS=397} [2022-11-16 11:37:23,488 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -18 predicate places. [2022-11-16 11:37:23,488 INFO L495 AbstractCegarLoop]: Abstraction has has 390 places, 397 transitions, 936 flow [2022-11-16 11:37:23,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 414.0) internal successors, (2484), 6 states have internal predecessors, (2484), 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) [2022-11-16 11:37:23,489 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:23,489 INFO L209 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:37:23,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-16 11:37:23,490 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:23,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:23,490 INFO L85 PathProgramCache]: Analyzing trace with hash 541158548, now seen corresponding path program 1 times [2022-11-16 11:37:23,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:23,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219494678] [2022-11-16 11:37:23,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:23,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:23,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:23,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:23,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219494678] [2022-11-16 11:37:23,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219494678] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:23,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:23,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:37:23,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768874677] [2022-11-16 11:37:23,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:23,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:23,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:23,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:23,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:23,582 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 449 [2022-11-16 11:37:23,583 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 397 transitions, 936 flow. Second operand has 3 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 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) [2022-11-16 11:37:23,583 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:23,583 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 449 [2022-11-16 11:37:23,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:24,584 INFO L130 PetriNetUnfolder]: 400/4870 cut-off events. [2022-11-16 11:37:24,584 INFO L131 PetriNetUnfolder]: For 13/21 co-relation queries the response was YES. [2022-11-16 11:37:24,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5781 conditions, 4870 events. 400/4870 cut-off events. For 13/21 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 51829 event pairs, 19 based on Foata normal form. 0/4482 useless extension candidates. Maximal degree in co-relation 5599. Up to 210 conditions per place. [2022-11-16 11:37:24,663 INFO L137 encePairwiseOnDemand]: 447/449 looper letters, 9 selfloop transitions, 1 changer transitions 0/396 dead transitions. [2022-11-16 11:37:24,663 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 396 transitions, 954 flow [2022-11-16 11:37:24,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:24,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:37:24,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2022-11-16 11:37:24,666 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.961395694135115 [2022-11-16 11:37:24,666 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1295 transitions. [2022-11-16 11:37:24,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1295 transitions. [2022-11-16 11:37:24,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:24,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1295 transitions. [2022-11-16 11:37:24,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 431.6666666666667) internal successors, (1295), 3 states have internal predecessors, (1295), 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) [2022-11-16 11:37:24,671 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:24,672 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:24,672 INFO L175 Difference]: Start difference. First operand has 390 places, 397 transitions, 936 flow. Second operand 3 states and 1295 transitions. [2022-11-16 11:37:24,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 396 transitions, 954 flow [2022-11-16 11:37:24,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 396 transitions, 947 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:37:24,681 INFO L231 Difference]: Finished difference. Result has 387 places, 396 transitions, 929 flow [2022-11-16 11:37:24,681 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=927, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=929, PETRI_PLACES=387, PETRI_TRANSITIONS=396} [2022-11-16 11:37:24,682 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -21 predicate places. [2022-11-16 11:37:24,682 INFO L495 AbstractCegarLoop]: Abstraction has has 387 places, 396 transitions, 929 flow [2022-11-16 11:37:24,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 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) [2022-11-16 11:37:24,684 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:24,684 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:37:24,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-16 11:37:24,684 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:24,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:24,685 INFO L85 PathProgramCache]: Analyzing trace with hash -2038994450, now seen corresponding path program 1 times [2022-11-16 11:37:24,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:24,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976929488] [2022-11-16 11:37:24,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:24,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:24,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:24,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:24,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976929488] [2022-11-16 11:37:24,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976929488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:24,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:24,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:37:24,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100646632] [2022-11-16 11:37:24,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:24,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:24,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:24,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:24,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:24,766 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 425 out of 449 [2022-11-16 11:37:24,767 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 396 transitions, 929 flow. Second operand has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 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) [2022-11-16 11:37:24,768 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:24,768 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 425 of 449 [2022-11-16 11:37:24,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:25,952 INFO L130 PetriNetUnfolder]: 479/5699 cut-off events. [2022-11-16 11:37:25,952 INFO L131 PetriNetUnfolder]: For 29/45 co-relation queries the response was YES. [2022-11-16 11:37:26,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6841 conditions, 5699 events. 479/5699 cut-off events. For 29/45 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 63654 event pairs, 47 based on Foata normal form. 0/5263 useless extension candidates. Maximal degree in co-relation 6709. Up to 193 conditions per place. [2022-11-16 11:37:26,040 INFO L137 encePairwiseOnDemand]: 446/449 looper letters, 11 selfloop transitions, 1 changer transitions 0/394 dead transitions. [2022-11-16 11:37:26,040 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 394 transitions, 949 flow [2022-11-16 11:37:26,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:26,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:37:26,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1289 transitions. [2022-11-16 11:37:26,043 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9569413511507052 [2022-11-16 11:37:26,044 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1289 transitions. [2022-11-16 11:37:26,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1289 transitions. [2022-11-16 11:37:26,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:26,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1289 transitions. [2022-11-16 11:37:26,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 429.6666666666667) internal successors, (1289), 3 states have internal predecessors, (1289), 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) [2022-11-16 11:37:26,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:26,047 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:26,047 INFO L175 Difference]: Start difference. First operand has 387 places, 396 transitions, 929 flow. Second operand 3 states and 1289 transitions. [2022-11-16 11:37:26,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 394 transitions, 949 flow [2022-11-16 11:37:26,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 394 transitions, 948 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:37:26,056 INFO L231 Difference]: Finished difference. Result has 386 places, 394 transitions, 926 flow [2022-11-16 11:37:26,056 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=924, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=926, PETRI_PLACES=386, PETRI_TRANSITIONS=394} [2022-11-16 11:37:26,057 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -22 predicate places. [2022-11-16 11:37:26,057 INFO L495 AbstractCegarLoop]: Abstraction has has 386 places, 394 transitions, 926 flow [2022-11-16 11:37:26,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 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) [2022-11-16 11:37:26,058 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:37:26,058 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:37:26,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-16 11:37:26,058 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-16 11:37:26,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:26,059 INFO L85 PathProgramCache]: Analyzing trace with hash 404123951, now seen corresponding path program 1 times [2022-11-16 11:37:26,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:26,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840353867] [2022-11-16 11:37:26,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:26,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:26,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:26,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:26,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840353867] [2022-11-16 11:37:26,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840353867] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:26,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:26,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:37:26,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200467066] [2022-11-16 11:37:26,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:26,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:26,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:26,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:26,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:26,132 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 425 out of 449 [2022-11-16 11:37:26,133 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 394 transitions, 926 flow. Second operand has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 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) [2022-11-16 11:37:26,133 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:37:26,133 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 425 of 449 [2022-11-16 11:37:26,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:37:26,676 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1222] L56-51-->L56-52: Formula: (= |v_#race~result_8~0_1| |v_thread3Thread1of1ForFork0_#t~nondet24#1_3|) InVars {thread3Thread1of1ForFork0_#t~nondet24#1=|v_thread3Thread1of1ForFork0_#t~nondet24#1_3|} OutVars{thread3Thread1of1ForFork0_#t~nondet24#1=|v_thread3Thread1of1ForFork0_#t~nondet24#1_3|, #race~result_8~0=|v_#race~result_8~0_1|} AuxVars[] AssignedVars[#race~result_8~0][264], [Black: 511#true, Black: 480#true, Black: 516#true, Black: 485#true, 276#L76-7true, 548#true, Black: 459#true, 461#(= |#race~sort_label_is_null_1~0| 0), 177#L56-52true, 466#(= |#race~sort_label_is_null_3~0| 0), Black: 496#(not |thread2Thread1of1ForFork2_#t~short11#1|), 513#(= |#race~sort_label_4~0| 0), 487#(= |#race~sort_label_2~0| 0), Black: 464#true, 544#true, 482#(= |#race~sort_label_0~0| 0), 505#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 471#(= |#race~sort_label_is_null_5~0| 0), Black: 469#true, 531#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 476#(not |thread1Thread1of1ForFork1_#t~short3#1|)]) [2022-11-16 11:37:26,676 INFO L383 tUnfolder$Statistics]: this new event has 179 ancestors and is not cut-off event [2022-11-16 11:37:26,677 INFO L386 tUnfolder$Statistics]: existing Event has 183 ancestors and is not cut-off event [2022-11-16 11:37:26,677 INFO L386 tUnfolder$Statistics]: existing Event has 191 ancestors and is not cut-off event [2022-11-16 11:37:26,677 INFO L386 tUnfolder$Statistics]: existing Event has 183 ancestors and is not cut-off event [2022-11-16 11:37:26,677 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1222] L56-51-->L56-52: Formula: (= |v_#race~result_8~0_1| |v_thread3Thread1of1ForFork0_#t~nondet24#1_3|) InVars {thread3Thread1of1ForFork0_#t~nondet24#1=|v_thread3Thread1of1ForFork0_#t~nondet24#1_3|} OutVars{thread3Thread1of1ForFork0_#t~nondet24#1=|v_thread3Thread1of1ForFork0_#t~nondet24#1_3|, #race~result_8~0=|v_#race~result_8~0_1|} AuxVars[] AssignedVars[#race~result_8~0][264], [Black: 511#true, Black: 480#true, Black: 518#(not |thread3Thread1of1ForFork0_#t~short19#1|), 276#L76-7true, Black: 485#true, 548#true, Black: 459#true, 461#(= |#race~sort_label_is_null_1~0| 0), 177#L56-52true, Black: 496#(not |thread2Thread1of1ForFork2_#t~short11#1|), 466#(= |#race~sort_label_is_null_3~0| 0), 513#(= |#race~sort_label_4~0| 0), 487#(= |#race~sort_label_2~0| 0), Black: 464#true, 544#true, 482#(= |#race~sort_label_0~0| 0), 505#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 471#(= |#race~sort_label_is_null_5~0| 0), Black: 469#true, 531#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 476#(not |thread1Thread1of1ForFork1_#t~short3#1|)]) [2022-11-16 11:37:26,677 INFO L383 tUnfolder$Statistics]: this new event has 179 ancestors and is not cut-off event [2022-11-16 11:37:26,677 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is not cut-off event [2022-11-16 11:37:26,678 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is not cut-off event [2022-11-16 11:37:26,678 INFO L386 tUnfolder$Statistics]: existing Event has 187 ancestors and is not cut-off event [2022-11-16 11:37:26,698 INFO L130 PetriNetUnfolder]: 335/3301 cut-off events. [2022-11-16 11:37:26,699 INFO L131 PetriNetUnfolder]: For 87/91 co-relation queries the response was YES. [2022-11-16 11:37:26,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4129 conditions, 3301 events. 335/3301 cut-off events. For 87/91 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 31293 event pairs, 63 based on Foata normal form. 5/3038 useless extension candidates. Maximal degree in co-relation 4052. Up to 273 conditions per place. [2022-11-16 11:37:26,749 INFO L137 encePairwiseOnDemand]: 446/449 looper letters, 0 selfloop transitions, 0 changer transitions 392/392 dead transitions. [2022-11-16 11:37:26,750 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 392 transitions, 944 flow [2022-11-16 11:37:26,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:26,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:37:26,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1288 transitions. [2022-11-16 11:37:26,753 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9561989606533037 [2022-11-16 11:37:26,754 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1288 transitions. [2022-11-16 11:37:26,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1288 transitions. [2022-11-16 11:37:26,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:37:26,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1288 transitions. [2022-11-16 11:37:26,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 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) [2022-11-16 11:37:26,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:26,760 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 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) [2022-11-16 11:37:26,760 INFO L175 Difference]: Start difference. First operand has 386 places, 394 transitions, 926 flow. Second operand 3 states and 1288 transitions. [2022-11-16 11:37:26,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 392 transitions, 944 flow [2022-11-16 11:37:26,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 392 transitions, 943 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:37:26,767 INFO L231 Difference]: Finished difference. Result has 385 places, 0 transitions, 0 flow [2022-11-16 11:37:26,767 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=921, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=385, PETRI_TRANSITIONS=0} [2022-11-16 11:37:26,768 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -23 predicate places. [2022-11-16 11:37:26,768 INFO L495 AbstractCegarLoop]: Abstraction has has 385 places, 0 transitions, 0 flow [2022-11-16 11:37:26,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 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) [2022-11-16 11:37:26,771 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (82 of 83 remaining) [2022-11-16 11:37:26,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (81 of 83 remaining) [2022-11-16 11:37:26,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (80 of 83 remaining) [2022-11-16 11:37:26,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (79 of 83 remaining) [2022-11-16 11:37:26,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (78 of 83 remaining) [2022-11-16 11:37:26,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (77 of 83 remaining) [2022-11-16 11:37:26,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (76 of 83 remaining) [2022-11-16 11:37:26,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (75 of 83 remaining) [2022-11-16 11:37:26,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (74 of 83 remaining) [2022-11-16 11:37:26,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 83 remaining) [2022-11-16 11:37:26,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (72 of 83 remaining) [2022-11-16 11:37:26,774 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (71 of 83 remaining) [2022-11-16 11:37:26,774 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (70 of 83 remaining) [2022-11-16 11:37:26,774 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (69 of 83 remaining) [2022-11-16 11:37:26,774 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (68 of 83 remaining) [2022-11-16 11:37:26,774 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (67 of 83 remaining) [2022-11-16 11:37:26,774 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (66 of 83 remaining) [2022-11-16 11:37:26,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (65 of 83 remaining) [2022-11-16 11:37:26,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (64 of 83 remaining) [2022-11-16 11:37:26,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (63 of 83 remaining) [2022-11-16 11:37:26,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (62 of 83 remaining) [2022-11-16 11:37:26,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (61 of 83 remaining) [2022-11-16 11:37:26,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (60 of 83 remaining) [2022-11-16 11:37:26,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (59 of 83 remaining) [2022-11-16 11:37:26,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (58 of 83 remaining) [2022-11-16 11:37:26,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (57 of 83 remaining) [2022-11-16 11:37:26,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (56 of 83 remaining) [2022-11-16 11:37:26,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (55 of 83 remaining) [2022-11-16 11:37:26,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (54 of 83 remaining) [2022-11-16 11:37:26,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (53 of 83 remaining) [2022-11-16 11:37:26,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (52 of 83 remaining) [2022-11-16 11:37:26,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (51 of 83 remaining) [2022-11-16 11:37:26,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (50 of 83 remaining) [2022-11-16 11:37:26,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (49 of 83 remaining) [2022-11-16 11:37:26,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 83 remaining) [2022-11-16 11:37:26,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 83 remaining) [2022-11-16 11:37:26,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (46 of 83 remaining) [2022-11-16 11:37:26,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (45 of 83 remaining) [2022-11-16 11:37:26,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (44 of 83 remaining) [2022-11-16 11:37:26,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (43 of 83 remaining) [2022-11-16 11:37:26,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (42 of 83 remaining) [2022-11-16 11:37:26,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (41 of 83 remaining) [2022-11-16 11:37:26,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (40 of 83 remaining) [2022-11-16 11:37:26,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (39 of 83 remaining) [2022-11-16 11:37:26,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (38 of 83 remaining) [2022-11-16 11:37:26,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (37 of 83 remaining) [2022-11-16 11:37:26,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (36 of 83 remaining) [2022-11-16 11:37:26,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 83 remaining) [2022-11-16 11:37:26,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 83 remaining) [2022-11-16 11:37:26,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 83 remaining) [2022-11-16 11:37:26,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 83 remaining) [2022-11-16 11:37:26,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (31 of 83 remaining) [2022-11-16 11:37:26,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 83 remaining) [2022-11-16 11:37:26,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (29 of 83 remaining) [2022-11-16 11:37:26,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 83 remaining) [2022-11-16 11:37:26,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (27 of 83 remaining) [2022-11-16 11:37:26,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (26 of 83 remaining) [2022-11-16 11:37:26,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 83 remaining) [2022-11-16 11:37:26,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (24 of 83 remaining) [2022-11-16 11:37:26,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (23 of 83 remaining) [2022-11-16 11:37:26,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (22 of 83 remaining) [2022-11-16 11:37:26,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 83 remaining) [2022-11-16 11:37:26,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 83 remaining) [2022-11-16 11:37:26,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 83 remaining) [2022-11-16 11:37:26,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (18 of 83 remaining) [2022-11-16 11:37:26,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 83 remaining) [2022-11-16 11:37:26,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (16 of 83 remaining) [2022-11-16 11:37:26,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (15 of 83 remaining) [2022-11-16 11:37:26,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (14 of 83 remaining) [2022-11-16 11:37:26,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 83 remaining) [2022-11-16 11:37:26,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 83 remaining) [2022-11-16 11:37:26,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (11 of 83 remaining) [2022-11-16 11:37:26,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 83 remaining) [2022-11-16 11:37:26,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 83 remaining) [2022-11-16 11:37:26,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 83 remaining) [2022-11-16 11:37:26,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (7 of 83 remaining) [2022-11-16 11:37:26,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (6 of 83 remaining) [2022-11-16 11:37:26,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 83 remaining) [2022-11-16 11:37:26,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (4 of 83 remaining) [2022-11-16 11:37:26,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 83 remaining) [2022-11-16 11:37:26,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (2 of 83 remaining) [2022-11-16 11:37:26,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 83 remaining) [2022-11-16 11:37:26,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (0 of 83 remaining) [2022-11-16 11:37:26,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-16 11:37:26,787 INFO L444 BasicCegarLoop]: Path program 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] [2022-11-16 11:37:26,793 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:37:26,793 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:37:26,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:37:26 BasicIcfg [2022-11-16 11:37:26,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:37:26,800 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:37:26,800 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:37:26,801 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:37:26,801 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:37:00" (3/4) ... [2022-11-16 11:37:26,804 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:37:26,811 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 11:37:26,811 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 11:37:26,812 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-16 11:37:26,817 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-16 11:37:26,817 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 11:37:26,818 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:37:26,818 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:37:26,857 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d02050-7d55-4ac9-a132-08c3acb24bf9/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:37:26,857 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:37:26,858 INFO L158 Benchmark]: Toolchain (without parser) took 27445.17ms. Allocated memory was 132.1MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 94.2MB in the beginning and 559.2MB in the end (delta: -465.0MB). Peak memory consumption was 552.2MB. Max. memory is 16.1GB. [2022-11-16 11:37:26,858 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 132.1MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:37:26,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.89ms. Allocated memory is still 132.1MB. Free memory was 93.9MB in the beginning and 105.3MB in the end (delta: -11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:37:26,859 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.77ms. Allocated memory is still 132.1MB. Free memory was 105.3MB in the beginning and 102.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:37:26,859 INFO L158 Benchmark]: Boogie Preprocessor took 45.63ms. Allocated memory is still 132.1MB. Free memory was 102.6MB in the beginning and 100.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:37:26,860 INFO L158 Benchmark]: RCFGBuilder took 1086.86ms. Allocated memory is still 132.1MB. Free memory was 100.5MB in the beginning and 71.2MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-16 11:37:26,860 INFO L158 Benchmark]: TraceAbstraction took 25808.49ms. Allocated memory was 132.1MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 70.6MB in the beginning and 563.4MB in the end (delta: -492.8MB). Peak memory consumption was 527.6MB. Max. memory is 16.1GB. [2022-11-16 11:37:26,860 INFO L158 Benchmark]: Witness Printer took 57.26ms. Allocated memory is still 1.2GB. Free memory was 563.4MB in the beginning and 559.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:37:26,862 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 132.1MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.89ms. Allocated memory is still 132.1MB. Free memory was 93.9MB in the beginning and 105.3MB in the end (delta: -11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.77ms. Allocated memory is still 132.1MB. Free memory was 105.3MB in the beginning and 102.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.63ms. Allocated memory is still 132.1MB. Free memory was 102.6MB in the beginning and 100.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1086.86ms. Allocated memory is still 132.1MB. Free memory was 100.5MB in the beginning and 71.2MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 25808.49ms. Allocated memory was 132.1MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 70.6MB in the beginning and 563.4MB in the end (delta: -492.8MB). Peak memory consumption was 527.6MB. Max. memory is 16.1GB. * Witness Printer took 57.26ms. Allocated memory is still 1.2GB. Free memory was 563.4MB in the beginning and 559.2MB 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: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: 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: 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: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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, 690 locations, 83 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: 25.4s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131 mSDsluCounter, 256 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 103 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 612 IncrementalHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 103 mSolverCounterUnsat, 256 mSDtfsCounter, 612 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=939occurred in iteration=18, InterpolantAutomatonStates: 81, 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, 2.8s InterpolantComputationTime, 2201 NumberOfCodeBlocks, 2201 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 2177 ConstructedInterpolants, 0 QuantifiedInterpolants, 2459 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 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 47 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 11:37:26,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d02050-7d55-4ac9-a132-08c3acb24bf9/bin/uautomizer-tPACEb0tL8/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