./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c53e9-3224-49ed-b937-58f92fc6422d/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c53e9-3224-49ed-b937-58f92fc6422d/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c53e9-3224-49ed-b937-58f92fc6422d/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c53e9-3224-49ed-b937-58f92fc6422d/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c53e9-3224-49ed-b937-58f92fc6422d/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c53e9-3224-49ed-b937-58f92fc6422d/bin/uautomizer-ug76WZFUDN --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 7850c8f92b7e0b0b866687e8f3ea719169cacbc5985a977f15b280bf9bb53b5b --- 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-6b4ec56 [2022-11-20 10:49:26,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:49:26,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:49:26,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:49:26,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:49:26,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:49:26,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:49:26,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:49:26,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:49:26,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:49:26,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:49:26,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:49:26,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:49:26,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:49:26,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:49:26,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:49:26,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:49:26,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:49:26,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:49:26,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:49:26,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:49:26,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:49:26,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:49:26,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:49:26,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:49:26,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:49:26,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:49:26,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:49:26,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:49:26,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:49:26,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:49:26,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:49:26,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:49:26,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:49:26,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:49:26,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:49:26,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:49:26,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:49:26,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:49:26,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:49:26,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:49:26,851 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c53e9-3224-49ed-b937-58f92fc6422d/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 10:49:26,888 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:49:26,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:49:26,889 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:49:26,897 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:49:26,897 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:49:26,898 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:49:26,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:49:26,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:49:26,899 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:49:26,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:49:26,900 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:49:26,900 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:49:26,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:49:26,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:49:26,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:49:26,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:49:26,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:49:26,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:49:26,902 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 10:49:26,902 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:49:26,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:49:26,902 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:49:26,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:49:26,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:49:26,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:49:26,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:49:26,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:49:26,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:49:26,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:49:26,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:49:26,904 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:49:26,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:49:26,905 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:49:26,905 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:49:26,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:49:26,906 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_fe4c53e9-3224-49ed-b937-58f92fc6422d/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c53e9-3224-49ed-b937-58f92fc6422d/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7850c8f92b7e0b0b866687e8f3ea719169cacbc5985a977f15b280bf9bb53b5b [2022-11-20 10:49:27,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:49:27,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:49:27,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:49:27,177 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:49:27,177 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:49:27,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c53e9-3224-49ed-b937-58f92fc6422d/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c [2022-11-20 10:49:30,260 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:49:30,515 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:49:30,515 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c53e9-3224-49ed-b937-58f92fc6422d/sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c [2022-11-20 10:49:30,523 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c53e9-3224-49ed-b937-58f92fc6422d/bin/uautomizer-ug76WZFUDN/data/236aa5ea6/a18b98c743714b738b9c242b5eb6deab/FLAG1c34f2cd0 [2022-11-20 10:49:30,537 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c53e9-3224-49ed-b937-58f92fc6422d/bin/uautomizer-ug76WZFUDN/data/236aa5ea6/a18b98c743714b738b9c242b5eb6deab [2022-11-20 10:49:30,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:49:30,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:49:30,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:49:30,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:49:30,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:49:30,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:49:30" (1/1) ... [2022-11-20 10:49:30,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6385159d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:30, skipping insertion in model container [2022-11-20 10:49:30,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:49:30" (1/1) ... [2022-11-20 10:49:30,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:49:30,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:49:30,749 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c53e9-3224-49ed-b937-58f92fc6422d/sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c[2817,2830] [2022-11-20 10:49:30,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:49:30,764 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:49:30,797 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c53e9-3224-49ed-b937-58f92fc6422d/sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c[2817,2830] [2022-11-20 10:49:30,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:49:30,815 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:49:30,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:30 WrapperNode [2022-11-20 10:49:30,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:49:30,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:49:30,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:49:30,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:49:30,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:30" (1/1) ... [2022-11-20 10:49:30,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:30" (1/1) ... [2022-11-20 10:49:30,870 INFO L138 Inliner]: procedures = 23, calls = 30, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 318 [2022-11-20 10:49:30,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:49:30,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:49:30,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:49:30,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:49:30,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:30" (1/1) ... [2022-11-20 10:49:30,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:30" (1/1) ... [2022-11-20 10:49:30,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:30" (1/1) ... [2022-11-20 10:49:30,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:30" (1/1) ... [2022-11-20 10:49:30,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:30" (1/1) ... [2022-11-20 10:49:30,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:30" (1/1) ... [2022-11-20 10:49:30,908 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:30" (1/1) ... [2022-11-20 10:49:30,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:30" (1/1) ... [2022-11-20 10:49:30,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:49:30,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:49:30,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:49:30,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:49:30,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:30" (1/1) ... [2022-11-20 10:49:30,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:49:30,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c53e9-3224-49ed-b937-58f92fc6422d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:49:30,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c53e9-3224-49ed-b937-58f92fc6422d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:49:30,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c53e9-3224-49ed-b937-58f92fc6422d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:49:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:49:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 10:49:31,003 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 10:49:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 10:49:31,003 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 10:49:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 10:49:31,003 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 10:49:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:49:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:49:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:49:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:49:31,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:49:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:49:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:49:31,007 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 10:49:31,119 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:49:31,121 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:49:31,818 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:49:31,832 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:49:31,832 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 10:49:31,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:49:31 BoogieIcfgContainer [2022-11-20 10:49:31,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:49:31,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:49:31,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:49:31,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:49:31,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:49:30" (1/3) ... [2022-11-20 10:49:31,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4ae3f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:49:31, skipping insertion in model container [2022-11-20 10:49:31,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:30" (2/3) ... [2022-11-20 10:49:31,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4ae3f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:49:31, skipping insertion in model container [2022-11-20 10:49:31,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:49:31" (3/3) ... [2022-11-20 10:49:31,846 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-file-item-trans.wvr.c [2022-11-20 10:49:31,856 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 10:49:31,866 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:49:31,866 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2022-11-20 10:49:31,866 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 10:49:32,043 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-20 10:49:32,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 405 places, 416 transitions, 856 flow [2022-11-20 10:49:32,456 INFO L130 PetriNetUnfolder]: 21/413 cut-off events. [2022-11-20 10:49:32,456 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-20 10:49:32,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 426 conditions, 413 events. 21/413 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1112 event pairs, 0 based on Foata normal form. 0/350 useless extension candidates. Maximal degree in co-relation 270. Up to 2 conditions per place. [2022-11-20 10:49:32,475 INFO L82 GeneralOperation]: Start removeDead. Operand has 405 places, 416 transitions, 856 flow [2022-11-20 10:49:32,490 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 380 places, 389 transitions, 796 flow [2022-11-20 10:49:32,512 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:49:32,521 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;@25c2c3ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:49:32,522 INFO L358 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2022-11-20 10:49:32,532 INFO L130 PetriNetUnfolder]: 0/31 cut-off events. [2022-11-20 10:49:32,533 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:49:32,533 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:32,534 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] [2022-11-20 10:49:32,535 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:32,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:32,543 INFO L85 PathProgramCache]: Analyzing trace with hash -528957903, now seen corresponding path program 1 times [2022-11-20 10:49:32,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:32,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521632278] [2022-11-20 10:49:32,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:32,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:32,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:32,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:32,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521632278] [2022-11-20 10:49:32,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521632278] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:32,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:32,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:32,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765584965] [2022-11-20 10:49:32,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:32,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:32,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:32,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:32,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:32,898 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 390 out of 416 [2022-11-20 10:49:32,907 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 389 transitions, 796 flow. Second operand has 3 states, 3 states have (on average 391.3333333333333) internal successors, (1174), 3 states have internal predecessors, (1174), 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) [2022-11-20 10:49:32,907 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:32,908 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 390 of 416 [2022-11-20 10:49:32,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:33,310 INFO L130 PetriNetUnfolder]: 47/918 cut-off events. [2022-11-20 10:49:33,317 INFO L131 PetriNetUnfolder]: For 51/51 co-relation queries the response was YES. [2022-11-20 10:49:33,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1019 conditions, 918 events. 47/918 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 4687 event pairs, 21 based on Foata normal form. 31/811 useless extension candidates. Maximal degree in co-relation 721. Up to 63 conditions per place. [2022-11-20 10:49:33,339 INFO L137 encePairwiseOnDemand]: 407/416 looper letters, 15 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2022-11-20 10:49:33,340 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 382 transitions, 816 flow [2022-11-20 10:49:33,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:33,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:33,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1194 transitions. [2022-11-20 10:49:33,362 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9567307692307693 [2022-11-20 10:49:33,364 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1194 transitions. [2022-11-20 10:49:33,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1194 transitions. [2022-11-20 10:49:33,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:33,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1194 transitions. [2022-11-20 10:49:33,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 398.0) internal successors, (1194), 3 states have internal predecessors, (1194), 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) [2022-11-20 10:49:33,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:33,390 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:33,392 INFO L175 Difference]: Start difference. First operand has 380 places, 389 transitions, 796 flow. Second operand 3 states and 1194 transitions. [2022-11-20 10:49:33,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 382 transitions, 816 flow [2022-11-20 10:49:33,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 382 transitions, 804 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-20 10:49:33,410 INFO L231 Difference]: Finished difference. Result has 375 places, 382 transitions, 774 flow [2022-11-20 10:49:33,412 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=774, PETRI_PLACES=375, PETRI_TRANSITIONS=382} [2022-11-20 10:49:33,418 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -5 predicate places. [2022-11-20 10:49:33,418 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 382 transitions, 774 flow [2022-11-20 10:49:33,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 391.3333333333333) internal successors, (1174), 3 states have internal predecessors, (1174), 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) [2022-11-20 10:49:33,419 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:33,420 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] [2022-11-20 10:49:33,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:49:33,421 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:33,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:33,422 INFO L85 PathProgramCache]: Analyzing trace with hash 2062476044, now seen corresponding path program 1 times [2022-11-20 10:49:33,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:33,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688131397] [2022-11-20 10:49:33,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:33,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:33,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:33,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:33,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688131397] [2022-11-20 10:49:33,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688131397] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:33,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:33,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:33,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813701911] [2022-11-20 10:49:33,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:33,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:33,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:33,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:33,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:33,553 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 390 out of 416 [2022-11-20 10:49:33,554 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 382 transitions, 774 flow. Second operand has 3 states, 3 states have (on average 391.3333333333333) internal successors, (1174), 3 states have internal predecessors, (1174), 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) [2022-11-20 10:49:33,559 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:33,559 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 390 of 416 [2022-11-20 10:49:33,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:33,906 INFO L130 PetriNetUnfolder]: 73/1272 cut-off events. [2022-11-20 10:49:33,906 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-11-20 10:49:33,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1389 conditions, 1272 events. 73/1272 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 8254 event pairs, 39 based on Foata normal form. 0/1081 useless extension candidates. Maximal degree in co-relation 1349. Up to 90 conditions per place. [2022-11-20 10:49:33,924 INFO L137 encePairwiseOnDemand]: 413/416 looper letters, 15 selfloop transitions, 2 changer transitions 0/381 dead transitions. [2022-11-20 10:49:33,925 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 381 transitions, 806 flow [2022-11-20 10:49:33,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:33,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:33,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1188 transitions. [2022-11-20 10:49:33,928 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9519230769230769 [2022-11-20 10:49:33,929 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1188 transitions. [2022-11-20 10:49:33,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1188 transitions. [2022-11-20 10:49:33,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:33,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1188 transitions. [2022-11-20 10:49:33,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 396.0) internal successors, (1188), 3 states have internal predecessors, (1188), 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) [2022-11-20 10:49:33,935 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:33,937 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:33,937 INFO L175 Difference]: Start difference. First operand has 375 places, 382 transitions, 774 flow. Second operand 3 states and 1188 transitions. [2022-11-20 10:49:33,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 381 transitions, 806 flow [2022-11-20 10:49:33,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 381 transitions, 802 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:49:33,947 INFO L231 Difference]: Finished difference. Result has 374 places, 381 transitions, 772 flow [2022-11-20 10:49:33,948 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=768, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=772, PETRI_PLACES=374, PETRI_TRANSITIONS=381} [2022-11-20 10:49:33,949 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -6 predicate places. [2022-11-20 10:49:33,949 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 381 transitions, 772 flow [2022-11-20 10:49:33,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 391.3333333333333) internal successors, (1174), 3 states have internal predecessors, (1174), 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) [2022-11-20 10:49:33,950 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:33,950 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] [2022-11-20 10:49:33,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:49:33,950 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:33,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:33,952 INFO L85 PathProgramCache]: Analyzing trace with hash -408420502, now seen corresponding path program 1 times [2022-11-20 10:49:33,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:33,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747327948] [2022-11-20 10:49:33,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:33,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:34,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:34,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:34,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747327948] [2022-11-20 10:49:34,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747327948] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:34,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:34,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:34,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898174393] [2022-11-20 10:49:34,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:34,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:34,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:34,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:34,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:34,055 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 390 out of 416 [2022-11-20 10:49:34,056 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 381 transitions, 772 flow. Second operand has 3 states, 3 states have (on average 391.3333333333333) internal successors, (1174), 3 states have internal predecessors, (1174), 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) [2022-11-20 10:49:34,056 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:34,056 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 390 of 416 [2022-11-20 10:49:34,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:34,323 INFO L130 PetriNetUnfolder]: 61/1020 cut-off events. [2022-11-20 10:49:34,324 INFO L131 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2022-11-20 10:49:34,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1122 conditions, 1020 events. 61/1020 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5434 event pairs, 39 based on Foata normal form. 0/886 useless extension candidates. Maximal degree in co-relation 1075. Up to 90 conditions per place. [2022-11-20 10:49:34,339 INFO L137 encePairwiseOnDemand]: 413/416 looper letters, 15 selfloop transitions, 2 changer transitions 0/380 dead transitions. [2022-11-20 10:49:34,340 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 380 transitions, 804 flow [2022-11-20 10:49:34,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:34,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:34,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1188 transitions. [2022-11-20 10:49:34,344 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9519230769230769 [2022-11-20 10:49:34,346 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1188 transitions. [2022-11-20 10:49:34,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1188 transitions. [2022-11-20 10:49:34,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:34,347 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1188 transitions. [2022-11-20 10:49:34,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 396.0) internal successors, (1188), 3 states have internal predecessors, (1188), 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) [2022-11-20 10:49:34,352 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:34,353 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:34,354 INFO L175 Difference]: Start difference. First operand has 374 places, 381 transitions, 772 flow. Second operand 3 states and 1188 transitions. [2022-11-20 10:49:34,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 380 transitions, 804 flow [2022-11-20 10:49:34,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 380 transitions, 800 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:49:34,361 INFO L231 Difference]: Finished difference. Result has 373 places, 380 transitions, 770 flow [2022-11-20 10:49:34,361 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=766, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=770, PETRI_PLACES=373, PETRI_TRANSITIONS=380} [2022-11-20 10:49:34,364 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -7 predicate places. [2022-11-20 10:49:34,364 INFO L495 AbstractCegarLoop]: Abstraction has has 373 places, 380 transitions, 770 flow [2022-11-20 10:49:34,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 391.3333333333333) internal successors, (1174), 3 states have internal predecessors, (1174), 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) [2022-11-20 10:49:34,365 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:34,365 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] [2022-11-20 10:49:34,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:49:34,366 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:34,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:34,366 INFO L85 PathProgramCache]: Analyzing trace with hash 2039793831, now seen corresponding path program 1 times [2022-11-20 10:49:34,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:34,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969853249] [2022-11-20 10:49:34,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:34,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:34,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:34,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:34,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969853249] [2022-11-20 10:49:34,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969853249] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:34,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:34,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:34,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269963112] [2022-11-20 10:49:34,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:34,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:34,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:34,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:34,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:34,468 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 390 out of 416 [2022-11-20 10:49:34,469 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 380 transitions, 770 flow. Second operand has 3 states, 3 states have (on average 391.3333333333333) internal successors, (1174), 3 states have internal predecessors, (1174), 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) [2022-11-20 10:49:34,470 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:34,470 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 390 of 416 [2022-11-20 10:49:34,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:34,716 INFO L130 PetriNetUnfolder]: 62/939 cut-off events. [2022-11-20 10:49:34,716 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-20 10:49:34,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1012 conditions, 939 events. 62/939 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5072 event pairs, 21 based on Foata normal form. 0/763 useless extension candidates. Maximal degree in co-relation 958. Up to 58 conditions per place. [2022-11-20 10:49:34,738 INFO L137 encePairwiseOnDemand]: 413/416 looper letters, 15 selfloop transitions, 2 changer transitions 0/379 dead transitions. [2022-11-20 10:49:34,738 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 379 transitions, 802 flow [2022-11-20 10:49:34,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:34,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:34,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1188 transitions. [2022-11-20 10:49:34,742 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9519230769230769 [2022-11-20 10:49:34,742 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1188 transitions. [2022-11-20 10:49:34,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1188 transitions. [2022-11-20 10:49:34,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:34,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1188 transitions. [2022-11-20 10:49:34,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 396.0) internal successors, (1188), 3 states have internal predecessors, (1188), 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) [2022-11-20 10:49:34,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:34,767 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:34,767 INFO L175 Difference]: Start difference. First operand has 373 places, 380 transitions, 770 flow. Second operand 3 states and 1188 transitions. [2022-11-20 10:49:34,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 379 transitions, 802 flow [2022-11-20 10:49:34,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 379 transitions, 798 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:49:34,778 INFO L231 Difference]: Finished difference. Result has 372 places, 379 transitions, 768 flow [2022-11-20 10:49:34,780 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=764, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=768, PETRI_PLACES=372, PETRI_TRANSITIONS=379} [2022-11-20 10:49:34,781 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -8 predicate places. [2022-11-20 10:49:34,782 INFO L495 AbstractCegarLoop]: Abstraction has has 372 places, 379 transitions, 768 flow [2022-11-20 10:49:34,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 391.3333333333333) internal successors, (1174), 3 states have internal predecessors, (1174), 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) [2022-11-20 10:49:34,783 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:34,783 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] [2022-11-20 10:49:34,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:49:34,783 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:34,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:34,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1664046175, now seen corresponding path program 1 times [2022-11-20 10:49:34,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:34,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753502781] [2022-11-20 10:49:34,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:34,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:34,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:34,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:34,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753502781] [2022-11-20 10:49:34,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753502781] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:34,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:34,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:34,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684659137] [2022-11-20 10:49:34,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:34,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:34,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:34,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:34,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:34,887 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 387 out of 416 [2022-11-20 10:49:34,889 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 379 transitions, 768 flow. Second operand has 3 states, 3 states have (on average 388.3333333333333) internal successors, (1165), 3 states have internal predecessors, (1165), 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) [2022-11-20 10:49:34,889 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:34,889 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 387 of 416 [2022-11-20 10:49:34,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:35,272 INFO L130 PetriNetUnfolder]: 149/1672 cut-off events. [2022-11-20 10:49:35,272 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-20 10:49:35,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1859 conditions, 1672 events. 149/1672 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 13264 event pairs, 72 based on Foata normal form. 0/1349 useless extension candidates. Maximal degree in co-relation 1799. Up to 145 conditions per place. [2022-11-20 10:49:35,291 INFO L137 encePairwiseOnDemand]: 413/416 looper letters, 18 selfloop transitions, 2 changer transitions 0/378 dead transitions. [2022-11-20 10:49:35,291 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 378 transitions, 806 flow [2022-11-20 10:49:35,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:35,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:35,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1182 transitions. [2022-11-20 10:49:35,295 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9471153846153846 [2022-11-20 10:49:35,295 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1182 transitions. [2022-11-20 10:49:35,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1182 transitions. [2022-11-20 10:49:35,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:35,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1182 transitions. [2022-11-20 10:49:35,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 394.0) internal successors, (1182), 3 states have internal predecessors, (1182), 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) [2022-11-20 10:49:35,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:35,303 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:35,303 INFO L175 Difference]: Start difference. First operand has 372 places, 379 transitions, 768 flow. Second operand 3 states and 1182 transitions. [2022-11-20 10:49:35,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 378 transitions, 806 flow [2022-11-20 10:49:35,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 378 transitions, 802 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:49:35,310 INFO L231 Difference]: Finished difference. Result has 371 places, 378 transitions, 766 flow [2022-11-20 10:49:35,311 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=766, PETRI_PLACES=371, PETRI_TRANSITIONS=378} [2022-11-20 10:49:35,314 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -9 predicate places. [2022-11-20 10:49:35,314 INFO L495 AbstractCegarLoop]: Abstraction has has 371 places, 378 transitions, 766 flow [2022-11-20 10:49:35,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 388.3333333333333) internal successors, (1165), 3 states have internal predecessors, (1165), 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) [2022-11-20 10:49:35,315 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:35,315 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] [2022-11-20 10:49:35,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:49:35,316 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:35,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:35,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1379305461, now seen corresponding path program 1 times [2022-11-20 10:49:35,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:35,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582519565] [2022-11-20 10:49:35,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:35,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:35,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:35,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:35,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582519565] [2022-11-20 10:49:35,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582519565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:35,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:35,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:35,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743992593] [2022-11-20 10:49:35,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:35,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:35,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:35,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:35,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:35,403 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 384 out of 416 [2022-11-20 10:49:35,405 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 378 transitions, 766 flow. Second operand has 3 states, 3 states have (on average 385.3333333333333) internal successors, (1156), 3 states have internal predecessors, (1156), 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) [2022-11-20 10:49:35,405 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:35,405 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 384 of 416 [2022-11-20 10:49:35,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:35,821 INFO L130 PetriNetUnfolder]: 217/1793 cut-off events. [2022-11-20 10:49:35,821 INFO L131 PetriNetUnfolder]: For 57/57 co-relation queries the response was YES. [2022-11-20 10:49:35,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2058 conditions, 1793 events. 217/1793 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 14041 event pairs, 132 based on Foata normal form. 0/1461 useless extension candidates. Maximal degree in co-relation 1992. Up to 250 conditions per place. [2022-11-20 10:49:35,847 INFO L137 encePairwiseOnDemand]: 413/416 looper letters, 21 selfloop transitions, 2 changer transitions 0/377 dead transitions. [2022-11-20 10:49:35,847 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 377 transitions, 810 flow [2022-11-20 10:49:35,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:35,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:35,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1176 transitions. [2022-11-20 10:49:35,850 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9423076923076923 [2022-11-20 10:49:35,850 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1176 transitions. [2022-11-20 10:49:35,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1176 transitions. [2022-11-20 10:49:35,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:35,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1176 transitions. [2022-11-20 10:49:35,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 392.0) internal successors, (1176), 3 states have internal predecessors, (1176), 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) [2022-11-20 10:49:35,858 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:35,859 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:35,859 INFO L175 Difference]: Start difference. First operand has 371 places, 378 transitions, 766 flow. Second operand 3 states and 1176 transitions. [2022-11-20 10:49:35,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 377 transitions, 810 flow [2022-11-20 10:49:35,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 377 transitions, 806 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:49:35,866 INFO L231 Difference]: Finished difference. Result has 370 places, 377 transitions, 764 flow [2022-11-20 10:49:35,867 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=760, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=764, PETRI_PLACES=370, PETRI_TRANSITIONS=377} [2022-11-20 10:49:35,870 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -10 predicate places. [2022-11-20 10:49:35,870 INFO L495 AbstractCegarLoop]: Abstraction has has 370 places, 377 transitions, 764 flow [2022-11-20 10:49:35,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 385.3333333333333) internal successors, (1156), 3 states have internal predecessors, (1156), 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) [2022-11-20 10:49:35,872 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:35,872 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] [2022-11-20 10:49:35,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 10:49:35,872 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:35,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:35,873 INFO L85 PathProgramCache]: Analyzing trace with hash 520043429, now seen corresponding path program 1 times [2022-11-20 10:49:35,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:35,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905131574] [2022-11-20 10:49:35,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:35,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:35,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:35,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:35,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905131574] [2022-11-20 10:49:35,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905131574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:35,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:35,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:35,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805049543] [2022-11-20 10:49:35,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:35,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:35,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:35,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:35,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:35,944 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 390 out of 416 [2022-11-20 10:49:35,946 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 377 transitions, 764 flow. Second operand has 3 states, 3 states have (on average 391.3333333333333) internal successors, (1174), 3 states have internal predecessors, (1174), 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) [2022-11-20 10:49:35,946 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:35,946 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 390 of 416 [2022-11-20 10:49:35,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:36,186 INFO L130 PetriNetUnfolder]: 61/1001 cut-off events. [2022-11-20 10:49:36,186 INFO L131 PetriNetUnfolder]: For 14/15 co-relation queries the response was YES. [2022-11-20 10:49:36,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1079 conditions, 1001 events. 61/1001 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5863 event pairs, 21 based on Foata normal form. 0/837 useless extension candidates. Maximal degree in co-relation 1007. Up to 63 conditions per place. [2022-11-20 10:49:36,202 INFO L137 encePairwiseOnDemand]: 413/416 looper letters, 15 selfloop transitions, 2 changer transitions 0/376 dead transitions. [2022-11-20 10:49:36,203 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 376 transitions, 796 flow [2022-11-20 10:49:36,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:36,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:36,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1188 transitions. [2022-11-20 10:49:36,206 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9519230769230769 [2022-11-20 10:49:36,207 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1188 transitions. [2022-11-20 10:49:36,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1188 transitions. [2022-11-20 10:49:36,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:36,208 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1188 transitions. [2022-11-20 10:49:36,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 396.0) internal successors, (1188), 3 states have internal predecessors, (1188), 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) [2022-11-20 10:49:36,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:36,214 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:36,215 INFO L175 Difference]: Start difference. First operand has 370 places, 377 transitions, 764 flow. Second operand 3 states and 1188 transitions. [2022-11-20 10:49:36,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 376 transitions, 796 flow [2022-11-20 10:49:36,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 376 transitions, 792 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:49:36,222 INFO L231 Difference]: Finished difference. Result has 369 places, 376 transitions, 762 flow [2022-11-20 10:49:36,223 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=758, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=762, PETRI_PLACES=369, PETRI_TRANSITIONS=376} [2022-11-20 10:49:36,224 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -11 predicate places. [2022-11-20 10:49:36,224 INFO L495 AbstractCegarLoop]: Abstraction has has 369 places, 376 transitions, 762 flow [2022-11-20 10:49:36,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 391.3333333333333) internal successors, (1174), 3 states have internal predecessors, (1174), 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) [2022-11-20 10:49:36,225 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:36,225 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] [2022-11-20 10:49:36,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 10:49:36,225 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:36,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:36,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1401179582, now seen corresponding path program 1 times [2022-11-20 10:49:36,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:36,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236917963] [2022-11-20 10:49:36,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:36,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:36,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:36,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:36,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236917963] [2022-11-20 10:49:36,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236917963] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:36,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:36,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:36,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864532546] [2022-11-20 10:49:36,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:36,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:36,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:36,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:36,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:36,292 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 387 out of 416 [2022-11-20 10:49:36,294 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 376 transitions, 762 flow. Second operand has 3 states, 3 states have (on average 388.3333333333333) internal successors, (1165), 3 states have internal predecessors, (1165), 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) [2022-11-20 10:49:36,294 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:36,294 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 387 of 416 [2022-11-20 10:49:36,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:36,715 INFO L130 PetriNetUnfolder]: 164/2307 cut-off events. [2022-11-20 10:49:36,715 INFO L131 PetriNetUnfolder]: For 11/14 co-relation queries the response was YES. [2022-11-20 10:49:36,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2499 conditions, 2307 events. 164/2307 cut-off events. For 11/14 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 20885 event pairs, 72 based on Foata normal form. 0/1909 useless extension candidates. Maximal degree in co-relation 2421. Up to 150 conditions per place. [2022-11-20 10:49:36,778 INFO L137 encePairwiseOnDemand]: 413/416 looper letters, 18 selfloop transitions, 2 changer transitions 0/375 dead transitions. [2022-11-20 10:49:36,778 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 375 transitions, 800 flow [2022-11-20 10:49:36,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:36,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:36,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1182 transitions. [2022-11-20 10:49:36,782 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9471153846153846 [2022-11-20 10:49:36,782 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1182 transitions. [2022-11-20 10:49:36,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1182 transitions. [2022-11-20 10:49:36,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:36,783 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1182 transitions. [2022-11-20 10:49:36,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 394.0) internal successors, (1182), 3 states have internal predecessors, (1182), 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) [2022-11-20 10:49:36,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:36,790 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:36,790 INFO L175 Difference]: Start difference. First operand has 369 places, 376 transitions, 762 flow. Second operand 3 states and 1182 transitions. [2022-11-20 10:49:36,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 375 transitions, 800 flow [2022-11-20 10:49:36,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 375 transitions, 796 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:49:36,797 INFO L231 Difference]: Finished difference. Result has 368 places, 375 transitions, 760 flow [2022-11-20 10:49:36,798 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=756, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=760, PETRI_PLACES=368, PETRI_TRANSITIONS=375} [2022-11-20 10:49:36,798 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -12 predicate places. [2022-11-20 10:49:36,799 INFO L495 AbstractCegarLoop]: Abstraction has has 368 places, 375 transitions, 760 flow [2022-11-20 10:49:36,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 388.3333333333333) internal successors, (1165), 3 states have internal predecessors, (1165), 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) [2022-11-20 10:49:36,800 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:36,800 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] [2022-11-20 10:49:36,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 10:49:36,800 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:36,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:36,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1492269056, now seen corresponding path program 1 times [2022-11-20 10:49:36,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:36,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249290505] [2022-11-20 10:49:36,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:36,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:36,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:36,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:36,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249290505] [2022-11-20 10:49:36,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249290505] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:36,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:36,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:36,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994580696] [2022-11-20 10:49:36,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:36,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:36,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:36,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:36,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:36,843 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 384 out of 416 [2022-11-20 10:49:36,844 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 375 transitions, 760 flow. Second operand has 3 states, 3 states have (on average 385.3333333333333) internal successors, (1156), 3 states have internal predecessors, (1156), 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) [2022-11-20 10:49:36,844 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:36,845 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 384 of 416 [2022-11-20 10:49:36,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:37,261 INFO L130 PetriNetUnfolder]: 193/1730 cut-off events. [2022-11-20 10:49:37,262 INFO L131 PetriNetUnfolder]: For 65/65 co-relation queries the response was YES. [2022-11-20 10:49:37,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2003 conditions, 1730 events. 193/1730 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 13429 event pairs, 132 based on Foata normal form. 0/1459 useless extension candidates. Maximal degree in co-relation 1919. Up to 258 conditions per place. [2022-11-20 10:49:37,284 INFO L137 encePairwiseOnDemand]: 413/416 looper letters, 21 selfloop transitions, 2 changer transitions 0/374 dead transitions. [2022-11-20 10:49:37,284 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 374 transitions, 804 flow [2022-11-20 10:49:37,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:37,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:37,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1176 transitions. [2022-11-20 10:49:37,288 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9423076923076923 [2022-11-20 10:49:37,288 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1176 transitions. [2022-11-20 10:49:37,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1176 transitions. [2022-11-20 10:49:37,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:37,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1176 transitions. [2022-11-20 10:49:37,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 392.0) internal successors, (1176), 3 states have internal predecessors, (1176), 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) [2022-11-20 10:49:37,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:37,297 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:37,297 INFO L175 Difference]: Start difference. First operand has 368 places, 375 transitions, 760 flow. Second operand 3 states and 1176 transitions. [2022-11-20 10:49:37,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 374 transitions, 804 flow [2022-11-20 10:49:37,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 374 transitions, 800 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:49:37,306 INFO L231 Difference]: Finished difference. Result has 367 places, 374 transitions, 758 flow [2022-11-20 10:49:37,307 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=754, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=758, PETRI_PLACES=367, PETRI_TRANSITIONS=374} [2022-11-20 10:49:37,307 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -13 predicate places. [2022-11-20 10:49:37,308 INFO L495 AbstractCegarLoop]: Abstraction has has 367 places, 374 transitions, 758 flow [2022-11-20 10:49:37,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 385.3333333333333) internal successors, (1156), 3 states have internal predecessors, (1156), 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) [2022-11-20 10:49:37,309 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:37,309 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] [2022-11-20 10:49:37,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 10:49:37,309 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:37,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:37,310 INFO L85 PathProgramCache]: Analyzing trace with hash 303257561, now seen corresponding path program 1 times [2022-11-20 10:49:37,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:37,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140958625] [2022-11-20 10:49:37,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:37,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:37,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:37,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:37,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140958625] [2022-11-20 10:49:37,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140958625] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:37,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:37,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:37,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502760474] [2022-11-20 10:49:37,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:37,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:37,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:37,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:37,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:37,362 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 393 out of 416 [2022-11-20 10:49:37,364 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 374 transitions, 758 flow. Second operand has 3 states, 3 states have (on average 394.6666666666667) internal successors, (1184), 3 states have internal predecessors, (1184), 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) [2022-11-20 10:49:37,365 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:37,365 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 393 of 416 [2022-11-20 10:49:37,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:37,583 INFO L130 PetriNetUnfolder]: 49/840 cut-off events. [2022-11-20 10:49:37,583 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-20 10:49:37,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 888 conditions, 840 events. 49/840 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 4262 event pairs, 6 based on Foata normal form. 0/701 useless extension candidates. Maximal degree in co-relation 797. Up to 31 conditions per place. [2022-11-20 10:49:37,597 INFO L137 encePairwiseOnDemand]: 412/416 looper letters, 14 selfloop transitions, 2 changer transitions 0/376 dead transitions. [2022-11-20 10:49:37,597 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 376 transitions, 796 flow [2022-11-20 10:49:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:37,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:37,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1197 transitions. [2022-11-20 10:49:37,601 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9591346153846154 [2022-11-20 10:49:37,601 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1197 transitions. [2022-11-20 10:49:37,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1197 transitions. [2022-11-20 10:49:37,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:37,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1197 transitions. [2022-11-20 10:49:37,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 399.0) internal successors, (1197), 3 states have internal predecessors, (1197), 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) [2022-11-20 10:49:37,608 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:37,609 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:37,609 INFO L175 Difference]: Start difference. First operand has 367 places, 374 transitions, 758 flow. Second operand 3 states and 1197 transitions. [2022-11-20 10:49:37,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 376 transitions, 796 flow [2022-11-20 10:49:37,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 376 transitions, 792 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:49:37,617 INFO L231 Difference]: Finished difference. Result has 366 places, 374 transitions, 764 flow [2022-11-20 10:49:37,618 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=750, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=372, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=764, PETRI_PLACES=366, PETRI_TRANSITIONS=374} [2022-11-20 10:49:37,618 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -14 predicate places. [2022-11-20 10:49:37,618 INFO L495 AbstractCegarLoop]: Abstraction has has 366 places, 374 transitions, 764 flow [2022-11-20 10:49:37,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 394.6666666666667) internal successors, (1184), 3 states have internal predecessors, (1184), 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) [2022-11-20 10:49:37,620 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:37,620 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] [2022-11-20 10:49:37,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 10:49:37,621 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:37,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:37,621 INFO L85 PathProgramCache]: Analyzing trace with hash 2030718688, now seen corresponding path program 1 times [2022-11-20 10:49:37,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:37,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529503004] [2022-11-20 10:49:37,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:37,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:37,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:37,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:37,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529503004] [2022-11-20 10:49:37,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529503004] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:37,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:37,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:37,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68683112] [2022-11-20 10:49:37,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:37,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:37,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:37,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:37,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:37,667 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 390 out of 416 [2022-11-20 10:49:37,668 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 374 transitions, 764 flow. Second operand has 3 states, 3 states have (on average 391.6666666666667) internal successors, (1175), 3 states have internal predecessors, (1175), 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) [2022-11-20 10:49:37,669 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:37,669 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 390 of 416 [2022-11-20 10:49:37,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:37,966 INFO L130 PetriNetUnfolder]: 119/1724 cut-off events. [2022-11-20 10:49:37,967 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-11-20 10:49:37,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1838 conditions, 1724 events. 119/1724 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 14112 event pairs, 23 based on Foata normal form. 0/1427 useless extension candidates. Maximal degree in co-relation 1580. Up to 73 conditions per place. [2022-11-20 10:49:37,987 INFO L137 encePairwiseOnDemand]: 410/416 looper letters, 16 selfloop transitions, 3 changer transitions 0/376 dead transitions. [2022-11-20 10:49:37,987 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 376 transitions, 808 flow [2022-11-20 10:49:37,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:37,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:37,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1192 transitions. [2022-11-20 10:49:37,991 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9551282051282052 [2022-11-20 10:49:37,991 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1192 transitions. [2022-11-20 10:49:37,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1192 transitions. [2022-11-20 10:49:37,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:37,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1192 transitions. [2022-11-20 10:49:37,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 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) [2022-11-20 10:49:37,997 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:37,998 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:37,998 INFO L175 Difference]: Start difference. First operand has 366 places, 374 transitions, 764 flow. Second operand 3 states and 1192 transitions. [2022-11-20 10:49:37,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 376 transitions, 808 flow [2022-11-20 10:49:38,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 376 transitions, 808 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 10:49:38,005 INFO L231 Difference]: Finished difference. Result has 366 places, 374 transitions, 779 flow [2022-11-20 10:49:38,006 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=758, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=779, PETRI_PLACES=366, PETRI_TRANSITIONS=374} [2022-11-20 10:49:38,007 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -14 predicate places. [2022-11-20 10:49:38,007 INFO L495 AbstractCegarLoop]: Abstraction has has 366 places, 374 transitions, 779 flow [2022-11-20 10:49:38,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 391.6666666666667) internal successors, (1175), 3 states have internal predecessors, (1175), 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) [2022-11-20 10:49:38,008 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:38,008 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] [2022-11-20 10:49:38,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 10:49:38,008 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:38,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:38,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1767945854, now seen corresponding path program 1 times [2022-11-20 10:49:38,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:38,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823088288] [2022-11-20 10:49:38,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:38,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:38,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:38,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:38,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823088288] [2022-11-20 10:49:38,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823088288] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:38,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:38,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:38,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249825039] [2022-11-20 10:49:38,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:38,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:38,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:38,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:38,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:38,057 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 393 out of 416 [2022-11-20 10:49:38,059 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 374 transitions, 779 flow. Second operand has 3 states, 3 states have (on average 394.6666666666667) internal successors, (1184), 3 states have internal predecessors, (1184), 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) [2022-11-20 10:49:38,059 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:38,059 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 393 of 416 [2022-11-20 10:49:38,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:38,319 INFO L130 PetriNetUnfolder]: 57/1131 cut-off events. [2022-11-20 10:49:38,319 INFO L131 PetriNetUnfolder]: For 13/16 co-relation queries the response was YES. [2022-11-20 10:49:38,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1204 conditions, 1131 events. 57/1131 cut-off events. For 13/16 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 7094 event pairs, 4 based on Foata normal form. 0/970 useless extension candidates. Maximal degree in co-relation 1010. Up to 38 conditions per place. [2022-11-20 10:49:38,339 INFO L137 encePairwiseOnDemand]: 412/416 looper letters, 17 selfloop transitions, 2 changer transitions 0/379 dead transitions. [2022-11-20 10:49:38,339 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 379 transitions, 832 flow [2022-11-20 10:49:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:38,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:38,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1200 transitions. [2022-11-20 10:49:38,342 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9615384615384616 [2022-11-20 10:49:38,342 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1200 transitions. [2022-11-20 10:49:38,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1200 transitions. [2022-11-20 10:49:38,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:38,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1200 transitions. [2022-11-20 10:49:38,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 400.0) internal successors, (1200), 3 states have internal predecessors, (1200), 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) [2022-11-20 10:49:38,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:38,349 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:38,349 INFO L175 Difference]: Start difference. First operand has 366 places, 374 transitions, 779 flow. Second operand 3 states and 1200 transitions. [2022-11-20 10:49:38,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 379 transitions, 832 flow [2022-11-20 10:49:38,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 379 transitions, 832 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 10:49:38,356 INFO L231 Difference]: Finished difference. Result has 367 places, 374 transitions, 789 flow [2022-11-20 10:49:38,357 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=775, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=372, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=789, PETRI_PLACES=367, PETRI_TRANSITIONS=374} [2022-11-20 10:49:38,358 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -13 predicate places. [2022-11-20 10:49:38,358 INFO L495 AbstractCegarLoop]: Abstraction has has 367 places, 374 transitions, 789 flow [2022-11-20 10:49:38,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 394.6666666666667) internal successors, (1184), 3 states have internal predecessors, (1184), 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) [2022-11-20 10:49:38,358 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:38,359 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] [2022-11-20 10:49:38,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 10:49:38,359 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:38,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:38,359 INFO L85 PathProgramCache]: Analyzing trace with hash -878367387, now seen corresponding path program 1 times [2022-11-20 10:49:38,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:38,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362780362] [2022-11-20 10:49:38,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:38,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:38,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:38,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:38,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362780362] [2022-11-20 10:49:38,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362780362] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:38,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:38,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:38,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018443706] [2022-11-20 10:49:38,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:38,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:38,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:38,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:38,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:38,404 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 394 out of 416 [2022-11-20 10:49:38,405 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 374 transitions, 789 flow. Second operand has 3 states, 3 states have (on average 395.3333333333333) internal successors, (1186), 3 states have internal predecessors, (1186), 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) [2022-11-20 10:49:38,406 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:38,406 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 394 of 416 [2022-11-20 10:49:38,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:38,651 INFO L130 PetriNetUnfolder]: 59/1077 cut-off events. [2022-11-20 10:49:38,652 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-20 10:49:38,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1187 conditions, 1077 events. 59/1077 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 7155 event pairs, 8 based on Foata normal form. 0/923 useless extension candidates. Maximal degree in co-relation 994. Up to 36 conditions per place. [2022-11-20 10:49:38,671 INFO L137 encePairwiseOnDemand]: 413/416 looper letters, 13 selfloop transitions, 2 changer transitions 0/375 dead transitions. [2022-11-20 10:49:38,671 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 375 transitions, 823 flow [2022-11-20 10:49:38,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:38,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:38,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1198 transitions. [2022-11-20 10:49:38,674 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9599358974358975 [2022-11-20 10:49:38,675 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1198 transitions. [2022-11-20 10:49:38,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1198 transitions. [2022-11-20 10:49:38,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:38,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1198 transitions. [2022-11-20 10:49:38,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 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) [2022-11-20 10:49:38,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:38,682 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:38,682 INFO L175 Difference]: Start difference. First operand has 367 places, 374 transitions, 789 flow. Second operand 3 states and 1198 transitions. [2022-11-20 10:49:38,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 375 transitions, 823 flow [2022-11-20 10:49:38,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 375 transitions, 823 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 10:49:38,689 INFO L231 Difference]: Finished difference. Result has 368 places, 373 transitions, 791 flow [2022-11-20 10:49:38,690 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=791, PETRI_PLACES=368, PETRI_TRANSITIONS=373} [2022-11-20 10:49:38,691 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -12 predicate places. [2022-11-20 10:49:38,691 INFO L495 AbstractCegarLoop]: Abstraction has has 368 places, 373 transitions, 791 flow [2022-11-20 10:49:38,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 395.3333333333333) internal successors, (1186), 3 states have internal predecessors, (1186), 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) [2022-11-20 10:49:38,692 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:38,692 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] [2022-11-20 10:49:38,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 10:49:38,693 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:38,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:38,693 INFO L85 PathProgramCache]: Analyzing trace with hash 309975691, now seen corresponding path program 1 times [2022-11-20 10:49:38,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:38,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241086676] [2022-11-20 10:49:38,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:38,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:38,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:38,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:38,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241086676] [2022-11-20 10:49:38,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241086676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:38,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:38,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:38,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481339261] [2022-11-20 10:49:38,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:38,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:38,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:38,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:38,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:38,741 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 390 out of 416 [2022-11-20 10:49:38,742 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 373 transitions, 791 flow. Second operand has 3 states, 3 states have (on average 391.6666666666667) internal successors, (1175), 3 states have internal predecessors, (1175), 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) [2022-11-20 10:49:38,743 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:38,743 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 390 of 416 [2022-11-20 10:49:38,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:39,172 INFO L130 PetriNetUnfolder]: 105/1807 cut-off events. [2022-11-20 10:49:39,172 INFO L131 PetriNetUnfolder]: For 16/20 co-relation queries the response was YES. [2022-11-20 10:49:39,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1975 conditions, 1807 events. 105/1807 cut-off events. For 16/20 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 14582 event pairs, 10 based on Foata normal form. 2/1560 useless extension candidates. Maximal degree in co-relation 1779. Up to 94 conditions per place. [2022-11-20 10:49:39,194 INFO L137 encePairwiseOnDemand]: 410/416 looper letters, 19 selfloop transitions, 3 changer transitions 0/378 dead transitions. [2022-11-20 10:49:39,195 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 378 transitions, 850 flow [2022-11-20 10:49:39,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:39,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:39,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1195 transitions. [2022-11-20 10:49:39,199 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9575320512820513 [2022-11-20 10:49:39,199 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1195 transitions. [2022-11-20 10:49:39,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1195 transitions. [2022-11-20 10:49:39,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:39,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1195 transitions. [2022-11-20 10:49:39,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 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) [2022-11-20 10:49:39,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:39,207 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:39,207 INFO L175 Difference]: Start difference. First operand has 368 places, 373 transitions, 791 flow. Second operand 3 states and 1195 transitions. [2022-11-20 10:49:39,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 378 transitions, 850 flow [2022-11-20 10:49:39,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 378 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:49:39,214 INFO L231 Difference]: Finished difference. Result has 366 places, 373 transitions, 802 flow [2022-11-20 10:49:39,215 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=802, PETRI_PLACES=366, PETRI_TRANSITIONS=373} [2022-11-20 10:49:39,216 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -14 predicate places. [2022-11-20 10:49:39,216 INFO L495 AbstractCegarLoop]: Abstraction has has 366 places, 373 transitions, 802 flow [2022-11-20 10:49:39,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 391.6666666666667) internal successors, (1175), 3 states have internal predecessors, (1175), 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) [2022-11-20 10:49:39,217 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:39,217 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] [2022-11-20 10:49:39,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 10:49:39,217 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:39,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:39,218 INFO L85 PathProgramCache]: Analyzing trace with hash 744343016, now seen corresponding path program 1 times [2022-11-20 10:49:39,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:39,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609871193] [2022-11-20 10:49:39,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:39,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:39,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:39,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:39,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609871193] [2022-11-20 10:49:39,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609871193] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:39,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:39,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:39,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011167862] [2022-11-20 10:49:39,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:39,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:39,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:39,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:39,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:39,273 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 387 out of 416 [2022-11-20 10:49:39,274 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 373 transitions, 802 flow. Second operand has 3 states, 3 states have (on average 389.0) internal successors, (1167), 3 states have internal predecessors, (1167), 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) [2022-11-20 10:49:39,275 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:39,275 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 387 of 416 [2022-11-20 10:49:39,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:40,093 INFO L130 PetriNetUnfolder]: 366/5161 cut-off events. [2022-11-20 10:49:40,094 INFO L131 PetriNetUnfolder]: For 69/99 co-relation queries the response was YES. [2022-11-20 10:49:40,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5667 conditions, 5161 events. 366/5161 cut-off events. For 69/99 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 57594 event pairs, 106 based on Foata normal form. 0/4394 useless extension candidates. Maximal degree in co-relation 4903. Up to 331 conditions per place. [2022-11-20 10:49:40,151 INFO L137 encePairwiseOnDemand]: 408/416 looper letters, 18 selfloop transitions, 4 changer transitions 0/375 dead transitions. [2022-11-20 10:49:40,151 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 375 transitions, 852 flow [2022-11-20 10:49:40,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:40,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:40,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1187 transitions. [2022-11-20 10:49:40,154 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9511217948717948 [2022-11-20 10:49:40,155 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1187 transitions. [2022-11-20 10:49:40,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1187 transitions. [2022-11-20 10:49:40,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:40,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1187 transitions. [2022-11-20 10:49:40,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 395.6666666666667) internal successors, (1187), 3 states have internal predecessors, (1187), 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) [2022-11-20 10:49:40,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:40,161 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:40,161 INFO L175 Difference]: Start difference. First operand has 366 places, 373 transitions, 802 flow. Second operand 3 states and 1187 transitions. [2022-11-20 10:49:40,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 375 transitions, 852 flow [2022-11-20 10:49:40,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 375 transitions, 852 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 10:49:40,171 INFO L231 Difference]: Finished difference. Result has 365 places, 373 transitions, 822 flow [2022-11-20 10:49:40,172 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=794, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=822, PETRI_PLACES=365, PETRI_TRANSITIONS=373} [2022-11-20 10:49:40,174 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -15 predicate places. [2022-11-20 10:49:40,174 INFO L495 AbstractCegarLoop]: Abstraction has has 365 places, 373 transitions, 822 flow [2022-11-20 10:49:40,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 389.0) internal successors, (1167), 3 states have internal predecessors, (1167), 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) [2022-11-20 10:49:40,174 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:40,175 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] [2022-11-20 10:49:40,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 10:49:40,175 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:40,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:40,175 INFO L85 PathProgramCache]: Analyzing trace with hash 307098446, now seen corresponding path program 1 times [2022-11-20 10:49:40,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:40,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531902454] [2022-11-20 10:49:40,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:40,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:40,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:40,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:40,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531902454] [2022-11-20 10:49:40,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531902454] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:40,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:40,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:40,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452454844] [2022-11-20 10:49:40,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:40,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:40,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:40,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:40,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:40,234 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 393 out of 416 [2022-11-20 10:49:40,236 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 373 transitions, 822 flow. Second operand has 3 states, 3 states have (on average 394.6666666666667) internal successors, (1184), 3 states have internal predecessors, (1184), 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) [2022-11-20 10:49:40,237 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:40,237 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 393 of 416 [2022-11-20 10:49:40,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:40,982 INFO L130 PetriNetUnfolder]: 121/2904 cut-off events. [2022-11-20 10:49:40,982 INFO L131 PetriNetUnfolder]: For 45/47 co-relation queries the response was YES. [2022-11-20 10:49:41,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3159 conditions, 2904 events. 121/2904 cut-off events. For 45/47 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 25815 event pairs, 6 based on Foata normal form. 0/2565 useless extension candidates. Maximal degree in co-relation 2727. Up to 114 conditions per place. [2022-11-20 10:49:41,031 INFO L137 encePairwiseOnDemand]: 412/416 looper letters, 17 selfloop transitions, 2 changer transitions 0/378 dead transitions. [2022-11-20 10:49:41,031 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 378 transitions, 875 flow [2022-11-20 10:49:41,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:41,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:41,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1200 transitions. [2022-11-20 10:49:41,034 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9615384615384616 [2022-11-20 10:49:41,034 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1200 transitions. [2022-11-20 10:49:41,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1200 transitions. [2022-11-20 10:49:41,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:41,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1200 transitions. [2022-11-20 10:49:41,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 400.0) internal successors, (1200), 3 states have internal predecessors, (1200), 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) [2022-11-20 10:49:41,041 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:41,042 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:41,043 INFO L175 Difference]: Start difference. First operand has 365 places, 373 transitions, 822 flow. Second operand 3 states and 1200 transitions. [2022-11-20 10:49:41,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 378 transitions, 875 flow [2022-11-20 10:49:41,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 378 transitions, 875 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 10:49:41,051 INFO L231 Difference]: Finished difference. Result has 366 places, 373 transitions, 832 flow [2022-11-20 10:49:41,052 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=832, PETRI_PLACES=366, PETRI_TRANSITIONS=373} [2022-11-20 10:49:41,052 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -14 predicate places. [2022-11-20 10:49:41,053 INFO L495 AbstractCegarLoop]: Abstraction has has 366 places, 373 transitions, 832 flow [2022-11-20 10:49:41,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 394.6666666666667) internal successors, (1184), 3 states have internal predecessors, (1184), 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) [2022-11-20 10:49:41,054 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:41,054 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] [2022-11-20 10:49:41,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 10:49:41,054 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:41,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:41,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1231105103, now seen corresponding path program 1 times [2022-11-20 10:49:41,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:41,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682510033] [2022-11-20 10:49:41,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:41,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:41,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:41,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:41,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682510033] [2022-11-20 10:49:41,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682510033] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:41,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:41,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:41,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164331163] [2022-11-20 10:49:41,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:41,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:41,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:41,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:41,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:41,109 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 393 out of 416 [2022-11-20 10:49:41,111 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 373 transitions, 832 flow. Second operand has 3 states, 3 states have (on average 394.6666666666667) internal successors, (1184), 3 states have internal predecessors, (1184), 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) [2022-11-20 10:49:41,111 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:41,111 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 393 of 416 [2022-11-20 10:49:41,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:41,707 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1160] thread3EXIT-->L80-7: 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[][377], [Black: 444#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), 465#(= |#race~filename_5~0| 0), Black: 454#true, 310#L80-7true, Black: 463#true, 475#(= |#race~filename_1~0| 0), 480#(= |#race~filename_4~0| 0), Black: 468#true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:41,707 INFO L383 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-11-20 10:49:41,708 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:49:41,708 INFO L386 tUnfolder$Statistics]: existing Event has 223 ancestors and is cut-off event [2022-11-20 10:49:41,708 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:49:41,711 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1160] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][377], [Black: 444#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), 465#(= |#race~filename_5~0| 0), Black: 454#true, 310#L80-7true, Black: 463#true, 475#(= |#race~filename_1~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:41,712 INFO L383 tUnfolder$Statistics]: this new event has 215 ancestors and is not cut-off event [2022-11-20 10:49:41,712 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:49:41,712 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:49:41,712 INFO L386 tUnfolder$Statistics]: existing Event has 223 ancestors and is not cut-off event [2022-11-20 10:49:41,712 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:49:41,724 INFO L130 PetriNetUnfolder]: 113/3037 cut-off events. [2022-11-20 10:49:41,725 INFO L131 PetriNetUnfolder]: For 36/40 co-relation queries the response was YES. [2022-11-20 10:49:41,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3317 conditions, 3037 events. 113/3037 cut-off events. For 36/40 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 27629 event pairs, 6 based on Foata normal form. 0/2685 useless extension candidates. Maximal degree in co-relation 2884. Up to 87 conditions per place. [2022-11-20 10:49:41,772 INFO L137 encePairwiseOnDemand]: 412/416 looper letters, 17 selfloop transitions, 2 changer transitions 0/378 dead transitions. [2022-11-20 10:49:41,772 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 378 transitions, 885 flow [2022-11-20 10:49:41,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:41,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:41,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1200 transitions. [2022-11-20 10:49:41,775 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9615384615384616 [2022-11-20 10:49:41,775 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1200 transitions. [2022-11-20 10:49:41,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1200 transitions. [2022-11-20 10:49:41,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:41,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1200 transitions. [2022-11-20 10:49:41,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 400.0) internal successors, (1200), 3 states have internal predecessors, (1200), 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) [2022-11-20 10:49:41,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:41,781 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:41,782 INFO L175 Difference]: Start difference. First operand has 366 places, 373 transitions, 832 flow. Second operand 3 states and 1200 transitions. [2022-11-20 10:49:41,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 378 transitions, 885 flow [2022-11-20 10:49:41,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 378 transitions, 885 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 10:49:41,789 INFO L231 Difference]: Finished difference. Result has 367 places, 373 transitions, 842 flow [2022-11-20 10:49:41,790 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=842, PETRI_PLACES=367, PETRI_TRANSITIONS=373} [2022-11-20 10:49:41,792 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -13 predicate places. [2022-11-20 10:49:41,792 INFO L495 AbstractCegarLoop]: Abstraction has has 367 places, 373 transitions, 842 flow [2022-11-20 10:49:41,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 394.6666666666667) internal successors, (1184), 3 states have internal predecessors, (1184), 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) [2022-11-20 10:49:41,793 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:41,793 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] [2022-11-20 10:49:41,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 10:49:41,793 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:41,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:41,794 INFO L85 PathProgramCache]: Analyzing trace with hash -147173046, now seen corresponding path program 1 times [2022-11-20 10:49:41,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:41,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101056630] [2022-11-20 10:49:41,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:41,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:41,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:41,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:41,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101056630] [2022-11-20 10:49:41,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101056630] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:41,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:41,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:41,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455553937] [2022-11-20 10:49:41,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:41,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:41,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:41,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:41,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:41,843 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 394 out of 416 [2022-11-20 10:49:41,844 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 373 transitions, 842 flow. Second operand has 3 states, 3 states have (on average 395.6666666666667) internal successors, (1187), 3 states have internal predecessors, (1187), 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) [2022-11-20 10:49:41,844 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:41,844 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 394 of 416 [2022-11-20 10:49:41,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:42,726 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1160] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][358], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), 310#L80-7true, Black: 463#true, 475#(= |#race~filename_1~0| 0), 483#true, Black: 468#true, 480#(= |#race~filename_4~0| 0), Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:42,726 INFO L383 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-11-20 10:49:42,727 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:49:42,727 INFO L386 tUnfolder$Statistics]: existing Event has 223 ancestors and is cut-off event [2022-11-20 10:49:42,727 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:49:42,728 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1160] thread3EXIT-->L80-7: 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[][358], [Black: 444#true, 451#(= |#race~isNull_3~0| 0), Black: 478#true, 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), 465#(= |#race~filename_5~0| 0), Black: 454#true, 310#L80-7true, Black: 463#true, 475#(= |#race~filename_1~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), 483#true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:42,728 INFO L383 tUnfolder$Statistics]: this new event has 215 ancestors and is not cut-off event [2022-11-20 10:49:42,728 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:49:42,728 INFO L386 tUnfolder$Statistics]: existing Event has 223 ancestors and is not cut-off event [2022-11-20 10:49:42,728 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:49:42,728 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:49:42,740 INFO L130 PetriNetUnfolder]: 226/4777 cut-off events. [2022-11-20 10:49:42,740 INFO L131 PetriNetUnfolder]: For 62/159 co-relation queries the response was YES. [2022-11-20 10:49:42,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5427 conditions, 4777 events. 226/4777 cut-off events. For 62/159 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 48976 event pairs, 40 based on Foata normal form. 6/4230 useless extension candidates. Maximal degree in co-relation 4659. Up to 174 conditions per place. [2022-11-20 10:49:42,800 INFO L137 encePairwiseOnDemand]: 413/416 looper letters, 13 selfloop transitions, 2 changer transitions 0/374 dead transitions. [2022-11-20 10:49:42,800 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 374 transitions, 876 flow [2022-11-20 10:49:42,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:42,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:42,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1198 transitions. [2022-11-20 10:49:42,807 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9599358974358975 [2022-11-20 10:49:42,807 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1198 transitions. [2022-11-20 10:49:42,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1198 transitions. [2022-11-20 10:49:42,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:42,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1198 transitions. [2022-11-20 10:49:42,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 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) [2022-11-20 10:49:42,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:42,814 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:42,815 INFO L175 Difference]: Start difference. First operand has 367 places, 373 transitions, 842 flow. Second operand 3 states and 1198 transitions. [2022-11-20 10:49:42,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 374 transitions, 876 flow [2022-11-20 10:49:42,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 374 transitions, 876 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 10:49:42,822 INFO L231 Difference]: Finished difference. Result has 368 places, 372 transitions, 844 flow [2022-11-20 10:49:42,822 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=840, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=372, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=844, PETRI_PLACES=368, PETRI_TRANSITIONS=372} [2022-11-20 10:49:42,823 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -12 predicate places. [2022-11-20 10:49:42,823 INFO L495 AbstractCegarLoop]: Abstraction has has 368 places, 372 transitions, 844 flow [2022-11-20 10:49:42,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 395.6666666666667) internal successors, (1187), 3 states have internal predecessors, (1187), 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) [2022-11-20 10:49:42,824 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:42,824 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] [2022-11-20 10:49:42,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 10:49:42,824 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:42,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:42,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1502162867, now seen corresponding path program 1 times [2022-11-20 10:49:42,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:42,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418896713] [2022-11-20 10:49:42,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:42,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:42,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:42,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:42,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418896713] [2022-11-20 10:49:42,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418896713] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:42,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:42,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:42,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354991787] [2022-11-20 10:49:42,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:42,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:42,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:42,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:42,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:42,875 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 387 out of 416 [2022-11-20 10:49:42,877 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 372 transitions, 844 flow. Second operand has 3 states, 3 states have (on average 389.0) internal successors, (1167), 3 states have internal predecessors, (1167), 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) [2022-11-20 10:49:42,877 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:42,877 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 387 of 416 [2022-11-20 10:49:42,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:44,422 INFO L130 PetriNetUnfolder]: 471/7635 cut-off events. [2022-11-20 10:49:44,422 INFO L131 PetriNetUnfolder]: For 145/155 co-relation queries the response was YES. [2022-11-20 10:49:44,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8731 conditions, 7635 events. 471/7635 cut-off events. For 145/155 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 90861 event pairs, 76 based on Foata normal form. 1/6890 useless extension candidates. Maximal degree in co-relation 7814. Up to 624 conditions per place. [2022-11-20 10:49:44,526 INFO L137 encePairwiseOnDemand]: 408/416 looper letters, 20 selfloop transitions, 4 changer transitions 0/376 dead transitions. [2022-11-20 10:49:44,526 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 376 transitions, 904 flow [2022-11-20 10:49:44,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:44,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:44,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1189 transitions. [2022-11-20 10:49:44,530 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9527243589743589 [2022-11-20 10:49:44,531 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1189 transitions. [2022-11-20 10:49:44,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1189 transitions. [2022-11-20 10:49:44,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:44,532 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1189 transitions. [2022-11-20 10:49:44,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 396.3333333333333) internal successors, (1189), 3 states have internal predecessors, (1189), 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) [2022-11-20 10:49:44,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:44,539 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:44,539 INFO L175 Difference]: Start difference. First operand has 368 places, 372 transitions, 844 flow. Second operand 3 states and 1189 transitions. [2022-11-20 10:49:44,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 376 transitions, 904 flow [2022-11-20 10:49:44,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 376 transitions, 900 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:49:44,549 INFO L231 Difference]: Finished difference. Result has 365 places, 372 transitions, 860 flow [2022-11-20 10:49:44,550 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=860, PETRI_PLACES=365, PETRI_TRANSITIONS=372} [2022-11-20 10:49:44,550 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -15 predicate places. [2022-11-20 10:49:44,551 INFO L495 AbstractCegarLoop]: Abstraction has has 365 places, 372 transitions, 860 flow [2022-11-20 10:49:44,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 389.0) internal successors, (1167), 3 states have internal predecessors, (1167), 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) [2022-11-20 10:49:44,551 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:44,552 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] [2022-11-20 10:49:44,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 10:49:44,552 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:44,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:44,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1220991075, now seen corresponding path program 1 times [2022-11-20 10:49:44,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:44,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527661894] [2022-11-20 10:49:44,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:44,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:45,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:45,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:45,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527661894] [2022-11-20 10:49:45,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527661894] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:45,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:45,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:49:45,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222940257] [2022-11-20 10:49:45,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:45,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:49:45,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:45,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:49:45,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:49:45,106 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 378 out of 416 [2022-11-20 10:49:45,108 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 372 transitions, 860 flow. Second operand has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 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) [2022-11-20 10:49:45,109 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:45,109 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 378 of 416 [2022-11-20 10:49:45,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:45,935 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1160] thread3EXIT-->L80-7: 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[][355], [Black: 444#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 478#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 473#true, 497#(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)), 310#L80-7true, Black: 463#true, 489#(= |#race~filename_8~0| 0), Black: 468#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:45,935 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is not cut-off event [2022-11-20 10:49:45,936 INFO L386 tUnfolder$Statistics]: existing Event has 203 ancestors and is not cut-off event [2022-11-20 10:49:45,936 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-20 10:49:45,936 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-20 10:49:45,949 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1160] thread3EXIT-->L80-7: 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[][355], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 497#(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)), 310#L80-7true, Black: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 480#(= |#race~filename_4~0| 0), Black: 468#true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:45,950 INFO L383 tUnfolder$Statistics]: this new event has 223 ancestors and is cut-off event [2022-11-20 10:49:45,950 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:49:45,950 INFO L386 tUnfolder$Statistics]: existing Event has 231 ancestors and is cut-off event [2022-11-20 10:49:45,950 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:49:45,950 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1160] thread3EXIT-->L80-7: 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[][355], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 497#(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)), 310#L80-7true, Black: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:45,951 INFO L383 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-11-20 10:49:45,951 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:49:45,951 INFO L386 tUnfolder$Statistics]: existing Event has 231 ancestors and is cut-off event [2022-11-20 10:49:45,951 INFO L386 tUnfolder$Statistics]: existing Event has 223 ancestors and is cut-off event [2022-11-20 10:49:45,951 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:49:45,953 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1160] thread3EXIT-->L80-7: 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[][355], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 497#(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)), 310#L80-7true, Black: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 480#(= |#race~filename_4~0| 0), Black: 468#true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:45,953 INFO L383 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-11-20 10:49:45,953 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:49:45,954 INFO L386 tUnfolder$Statistics]: existing Event has 231 ancestors and is cut-off event [2022-11-20 10:49:45,954 INFO L386 tUnfolder$Statistics]: existing Event has 223 ancestors and is cut-off event [2022-11-20 10:49:45,954 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:49:45,954 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:49:45,960 INFO L381 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1160] thread3EXIT-->L80-7: 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[][355], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 497#(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)), 310#L80-7true, Black: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:45,961 INFO L383 tUnfolder$Statistics]: this new event has 223 ancestors and is not cut-off event [2022-11-20 10:49:45,961 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:49:45,961 INFO L386 tUnfolder$Statistics]: existing Event has 231 ancestors and is not cut-off event [2022-11-20 10:49:45,961 INFO L386 tUnfolder$Statistics]: existing Event has 223 ancestors and is not cut-off event [2022-11-20 10:49:45,961 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:49:45,961 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:49:45,962 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:49:45,969 INFO L130 PetriNetUnfolder]: 130/3431 cut-off events. [2022-11-20 10:49:45,969 INFO L131 PetriNetUnfolder]: For 6/90 co-relation queries the response was YES. [2022-11-20 10:49:46,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3876 conditions, 3431 events. 130/3431 cut-off events. For 6/90 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 32681 event pairs, 0 based on Foata normal form. 24/3088 useless extension candidates. Maximal degree in co-relation 3373. Up to 104 conditions per place. [2022-11-20 10:49:46,020 INFO L137 encePairwiseOnDemand]: 411/416 looper letters, 23 selfloop transitions, 4 changer transitions 0/371 dead transitions. [2022-11-20 10:49:46,020 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 371 transitions, 912 flow [2022-11-20 10:49:46,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:49:46,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:49:46,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2296 transitions. [2022-11-20 10:49:46,026 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9198717948717948 [2022-11-20 10:49:46,026 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2296 transitions. [2022-11-20 10:49:46,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2296 transitions. [2022-11-20 10:49:46,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:46,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2296 transitions. [2022-11-20 10:49:46,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 382.6666666666667) internal successors, (2296), 6 states have internal predecessors, (2296), 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) [2022-11-20 10:49:46,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 416.0) internal successors, (2912), 7 states have internal predecessors, (2912), 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) [2022-11-20 10:49:46,038 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 416.0) internal successors, (2912), 7 states have internal predecessors, (2912), 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) [2022-11-20 10:49:46,038 INFO L175 Difference]: Start difference. First operand has 365 places, 372 transitions, 860 flow. Second operand 6 states and 2296 transitions. [2022-11-20 10:49:46,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 371 transitions, 912 flow [2022-11-20 10:49:46,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 371 transitions, 912 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 10:49:46,045 INFO L231 Difference]: Finished difference. Result has 369 places, 371 transitions, 866 flow [2022-11-20 10:49:46,045 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=866, PETRI_PLACES=369, PETRI_TRANSITIONS=371} [2022-11-20 10:49:46,046 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -11 predicate places. [2022-11-20 10:49:46,046 INFO L495 AbstractCegarLoop]: Abstraction has has 369 places, 371 transitions, 866 flow [2022-11-20 10:49:46,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 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) [2022-11-20 10:49:46,047 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:46,047 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] [2022-11-20 10:49:46,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-20 10:49:46,048 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:46,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:46,048 INFO L85 PathProgramCache]: Analyzing trace with hash 52867240, now seen corresponding path program 1 times [2022-11-20 10:49:46,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:46,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179392608] [2022-11-20 10:49:46,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:46,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:46,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:46,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:46,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179392608] [2022-11-20 10:49:46,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179392608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:46,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:46,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:46,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288283607] [2022-11-20 10:49:46,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:46,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:46,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:46,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:46,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:46,102 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 394 out of 416 [2022-11-20 10:49:46,104 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 371 transitions, 866 flow. Second operand has 3 states, 3 states have (on average 396.0) internal successors, (1188), 3 states have internal predecessors, (1188), 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) [2022-11-20 10:49:46,104 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:46,104 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 394 of 416 [2022-11-20 10:49:46,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:46,839 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1090] L56-38-->L56-39: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet18#1][218], [Black: 444#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 478#true, 470#(= |#race~isNull_6~0| 0), 73#L56-39true, Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 499#true, 473#true, 497#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 463#true, 489#(= |#race~filename_8~0| 0), Black: 468#true, 206#L79-7true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:46,840 INFO L383 tUnfolder$Statistics]: this new event has 177 ancestors and is cut-off event [2022-11-20 10:49:46,840 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-11-20 10:49:46,840 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-11-20 10:49:46,840 INFO L386 tUnfolder$Statistics]: existing Event has 185 ancestors and is cut-off event [2022-11-20 10:49:46,955 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1159] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][341], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 73#L56-39true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 499#true, 497#(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)), Black: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), 206#L79-7true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:46,956 INFO L383 tUnfolder$Statistics]: this new event has 205 ancestors and is cut-off event [2022-11-20 10:49:46,956 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-20 10:49:46,956 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-20 10:49:46,956 INFO L386 tUnfolder$Statistics]: existing Event has 205 ancestors and is cut-off event [2022-11-20 10:49:46,957 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1159] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][341], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 73#L56-39true, 470#(= |#race~isNull_6~0| 0), 465#(= |#race~filename_5~0| 0), Black: 454#true, Black: 487#true, 499#true, 497#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), 206#L79-7true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:46,958 INFO L383 tUnfolder$Statistics]: this new event has 213 ancestors and is cut-off event [2022-11-20 10:49:46,958 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-20 10:49:46,958 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-20 10:49:46,958 INFO L386 tUnfolder$Statistics]: existing Event has 205 ancestors and is cut-off event [2022-11-20 10:49:46,958 INFO L386 tUnfolder$Statistics]: existing Event has 205 ancestors and is cut-off event [2022-11-20 10:49:46,960 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1159] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][341], [Black: 444#true, 451#(= |#race~isNull_3~0| 0), Black: 478#true, 456#(= |#race~filename_2~0| 0), Black: 449#true, 73#L56-39true, 470#(= |#race~isNull_6~0| 0), 465#(= |#race~filename_5~0| 0), Black: 454#true, Black: 487#true, 499#true, 497#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), 206#L79-7true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:46,960 INFO L383 tUnfolder$Statistics]: this new event has 241 ancestors and is cut-off event [2022-11-20 10:49:46,960 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-20 10:49:46,961 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-20 10:49:46,961 INFO L386 tUnfolder$Statistics]: existing Event has 205 ancestors and is cut-off event [2022-11-20 10:49:46,961 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-20 10:49:46,961 INFO L386 tUnfolder$Statistics]: existing Event has 205 ancestors and is cut-off event [2022-11-20 10:49:46,968 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1159] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][347], [Black: 444#true, 501#(= |#race~result_11~0| |thread3Thread1of1ForFork0_#t~nondet18#1|), Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), 465#(= |#race~filename_5~0| 0), Black: 454#true, Black: 487#true, 234#L56-40true, 497#(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)), Black: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), 206#L79-7true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:46,968 INFO L383 tUnfolder$Statistics]: this new event has 214 ancestors and is cut-off event [2022-11-20 10:49:46,968 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:49:46,969 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:49:46,969 INFO L386 tUnfolder$Statistics]: existing Event has 206 ancestors and is cut-off event [2022-11-20 10:49:46,970 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1159] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][347], [Black: 444#true, 501#(= |#race~result_11~0| |thread3Thread1of1ForFork0_#t~nondet18#1|), 451#(= |#race~isNull_3~0| 0), Black: 478#true, 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), 465#(= |#race~filename_5~0| 0), Black: 454#true, Black: 487#true, 234#L56-40true, 497#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), 206#L79-7true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:46,970 INFO L383 tUnfolder$Statistics]: this new event has 242 ancestors and is cut-off event [2022-11-20 10:49:46,971 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:49:46,971 INFO L386 tUnfolder$Statistics]: existing Event has 214 ancestors and is cut-off event [2022-11-20 10:49:46,971 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:49:46,971 INFO L386 tUnfolder$Statistics]: existing Event has 206 ancestors and is cut-off event [2022-11-20 10:49:46,978 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1159] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][347], [Black: 444#true, 501#(= |#race~result_11~0| |thread3Thread1of1ForFork0_#t~nondet18#1|), Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), 465#(= |#race~filename_5~0| 0), Black: 454#true, Black: 487#true, 173#L56-41true, 497#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), 206#L79-7true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:46,978 INFO L383 tUnfolder$Statistics]: this new event has 215 ancestors and is cut-off event [2022-11-20 10:49:46,978 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-20 10:49:46,978 INFO L386 tUnfolder$Statistics]: existing Event has 207 ancestors and is cut-off event [2022-11-20 10:49:46,978 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-20 10:49:46,979 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1159] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][347], [Black: 444#true, 501#(= |#race~result_11~0| |thread3Thread1of1ForFork0_#t~nondet18#1|), 451#(= |#race~isNull_3~0| 0), Black: 478#true, 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), 465#(= |#race~filename_5~0| 0), Black: 454#true, Black: 487#true, 173#L56-41true, 497#(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)), Black: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), 206#L79-7true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:46,980 INFO L383 tUnfolder$Statistics]: this new event has 243 ancestors and is cut-off event [2022-11-20 10:49:46,980 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-20 10:49:46,980 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-20 10:49:46,980 INFO L386 tUnfolder$Statistics]: existing Event has 207 ancestors and is cut-off event [2022-11-20 10:49:46,980 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-20 10:49:47,001 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1159] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][341], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), 47#L58true, 465#(= |#race~filename_5~0| 0), Black: 454#true, Black: 487#true, 499#true, 497#(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)), Black: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), 206#L79-7true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:47,001 INFO L383 tUnfolder$Statistics]: this new event has 221 ancestors and is cut-off event [2022-11-20 10:49:47,001 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-20 10:49:47,001 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-20 10:49:47,001 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-20 10:49:47,083 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1159] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][341], [Black: 444#true, 451#(= |#race~isNull_3~0| 0), Black: 478#true, 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), 47#L58true, 465#(= |#race~filename_5~0| 0), Black: 454#true, Black: 487#true, 499#true, 497#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), 206#L79-7true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:47,083 INFO L383 tUnfolder$Statistics]: this new event has 249 ancestors and is cut-off event [2022-11-20 10:49:47,083 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-20 10:49:47,084 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-20 10:49:47,084 INFO L386 tUnfolder$Statistics]: existing Event has 221 ancestors and is cut-off event [2022-11-20 10:49:47,084 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-20 10:49:47,085 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1090] L56-38-->L56-39: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet18#1][218], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), 73#L56-39true, Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 499#true, 497#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 480#(= |#race~filename_4~0| 0), Black: 468#true, 206#L79-7true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:47,085 INFO L383 tUnfolder$Statistics]: this new event has 205 ancestors and is cut-off event [2022-11-20 10:49:47,085 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-20 10:49:47,086 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-20 10:49:47,086 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-20 10:49:47,086 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1090] L56-38-->L56-39: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet18#1][218], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), 73#L56-39true, 465#(= |#race~filename_5~0| 0), Black: 454#true, Black: 487#true, 499#true, 497#(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)), Black: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), 206#L79-7true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:47,086 INFO L383 tUnfolder$Statistics]: this new event has 241 ancestors and is cut-off event [2022-11-20 10:49:47,086 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-20 10:49:47,086 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-20 10:49:47,086 INFO L386 tUnfolder$Statistics]: existing Event has 205 ancestors and is cut-off event [2022-11-20 10:49:47,087 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-20 10:49:47,088 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1090] L56-38-->L56-39: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet18#1][218], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 73#L56-39true, 470#(= |#race~isNull_6~0| 0), 465#(= |#race~filename_5~0| 0), Black: 454#true, Black: 487#true, 499#true, 497#(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)), Black: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 480#(= |#race~filename_4~0| 0), Black: 468#true, 206#L79-7true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:47,088 INFO L383 tUnfolder$Statistics]: this new event has 241 ancestors and is cut-off event [2022-11-20 10:49:47,089 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-20 10:49:47,089 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-20 10:49:47,089 INFO L386 tUnfolder$Statistics]: existing Event has 205 ancestors and is cut-off event [2022-11-20 10:49:47,089 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-20 10:49:47,089 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-20 10:49:47,104 INFO L381 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1090] L56-38-->L56-39: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet18#1][218], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), 73#L56-39true, Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 499#true, 497#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), 206#L79-7true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:47,105 INFO L383 tUnfolder$Statistics]: this new event has 205 ancestors and is not cut-off event [2022-11-20 10:49:47,105 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is not cut-off event [2022-11-20 10:49:47,105 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is not cut-off event [2022-11-20 10:49:47,105 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is not cut-off event [2022-11-20 10:49:47,105 INFO L386 tUnfolder$Statistics]: existing Event has 205 ancestors and is not cut-off event [2022-11-20 10:49:47,105 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is not cut-off event [2022-11-20 10:49:47,106 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is not cut-off event [2022-11-20 10:49:47,106 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1159] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][347], [Black: 444#true, 501#(= |#race~result_11~0| |thread3Thread1of1ForFork0_#t~nondet18#1|), Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), 234#L56-40true, Black: 487#true, 497#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), 206#L79-7true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:47,106 INFO L383 tUnfolder$Statistics]: this new event has 206 ancestors and is cut-off event [2022-11-20 10:49:47,106 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:49:47,107 INFO L386 tUnfolder$Statistics]: existing Event has 214 ancestors and is cut-off event [2022-11-20 10:49:47,107 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:49:47,107 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:49:47,107 INFO L386 tUnfolder$Statistics]: existing Event has 206 ancestors and is cut-off event [2022-11-20 10:49:47,109 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1159] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][347], [Black: 444#true, 501#(= |#race~result_11~0| |thread3Thread1of1ForFork0_#t~nondet18#1|), Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 173#L56-41true, 497#(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)), Black: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), 206#L79-7true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:47,110 INFO L383 tUnfolder$Statistics]: this new event has 207 ancestors and is cut-off event [2022-11-20 10:49:47,110 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-20 10:49:47,110 INFO L386 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-11-20 10:49:47,110 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-20 10:49:47,111 INFO L386 tUnfolder$Statistics]: existing Event has 207 ancestors and is cut-off event [2022-11-20 10:49:47,111 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-20 10:49:47,118 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1159] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][341], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), 47#L58true, Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 499#true, 497#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), 206#L79-7true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:47,118 INFO L383 tUnfolder$Statistics]: this new event has 213 ancestors and is cut-off event [2022-11-20 10:49:47,118 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-20 10:49:47,118 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-20 10:49:47,118 INFO L386 tUnfolder$Statistics]: existing Event has 221 ancestors and is cut-off event [2022-11-20 10:49:47,119 INFO L386 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-11-20 10:49:47,119 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-20 10:49:47,140 INFO L130 PetriNetUnfolder]: 375/4218 cut-off events. [2022-11-20 10:49:47,140 INFO L131 PetriNetUnfolder]: For 259/283 co-relation queries the response was YES. [2022-11-20 10:49:47,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5300 conditions, 4218 events. 375/4218 cut-off events. For 259/283 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 44257 event pairs, 82 based on Foata normal form. 0/3812 useless extension candidates. Maximal degree in co-relation 5172. Up to 409 conditions per place. [2022-11-20 10:49:47,186 INFO L137 encePairwiseOnDemand]: 413/416 looper letters, 12 selfloop transitions, 2 changer transitions 0/372 dead transitions. [2022-11-20 10:49:47,186 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 372 transitions, 898 flow [2022-11-20 10:49:47,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:47,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:47,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1197 transitions. [2022-11-20 10:49:47,190 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9591346153846154 [2022-11-20 10:49:47,190 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1197 transitions. [2022-11-20 10:49:47,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1197 transitions. [2022-11-20 10:49:47,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:47,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1197 transitions. [2022-11-20 10:49:47,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 399.0) internal successors, (1197), 3 states have internal predecessors, (1197), 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) [2022-11-20 10:49:47,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:47,199 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:47,199 INFO L175 Difference]: Start difference. First operand has 369 places, 371 transitions, 866 flow. Second operand 3 states and 1197 transitions. [2022-11-20 10:49:47,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 372 transitions, 898 flow [2022-11-20 10:49:47,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 372 transitions, 891 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 10:49:47,207 INFO L231 Difference]: Finished difference. Result has 366 places, 370 transitions, 861 flow [2022-11-20 10:49:47,208 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=857, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=861, PETRI_PLACES=366, PETRI_TRANSITIONS=370} [2022-11-20 10:49:47,209 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -14 predicate places. [2022-11-20 10:49:47,209 INFO L495 AbstractCegarLoop]: Abstraction has has 366 places, 370 transitions, 861 flow [2022-11-20 10:49:47,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 396.0) internal successors, (1188), 3 states have internal predecessors, (1188), 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) [2022-11-20 10:49:47,210 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:47,210 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] [2022-11-20 10:49:47,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-20 10:49:47,210 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:47,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:47,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1976429942, now seen corresponding path program 1 times [2022-11-20 10:49:47,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:47,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242851314] [2022-11-20 10:49:47,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:47,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:47,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:47,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:47,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242851314] [2022-11-20 10:49:47,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242851314] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:47,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:47,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:47,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576810323] [2022-11-20 10:49:47,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:47,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:47,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:47,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:47,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:47,269 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 393 out of 416 [2022-11-20 10:49:47,271 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 370 transitions, 861 flow. Second operand has 3 states, 3 states have (on average 395.0) internal successors, (1185), 3 states have internal predecessors, (1185), 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) [2022-11-20 10:49:47,271 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:47,271 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 393 of 416 [2022-11-20 10:49:47,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:48,577 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1160] thread3EXIT-->L80-7: 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[][357], [Black: 444#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 478#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 499#true, 473#true, 497#(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)), 310#L80-7true, 503#true, Black: 463#true, 489#(= |#race~filename_8~0| 0), Black: 468#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:48,577 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is not cut-off event [2022-11-20 10:49:48,577 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-20 10:49:48,577 INFO L386 tUnfolder$Statistics]: existing Event has 203 ancestors and is not cut-off event [2022-11-20 10:49:48,577 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-20 10:49:48,633 INFO L130 PetriNetUnfolder]: 252/5760 cut-off events. [2022-11-20 10:49:48,634 INFO L131 PetriNetUnfolder]: For 93/99 co-relation queries the response was YES. [2022-11-20 10:49:48,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6645 conditions, 5760 events. 252/5760 cut-off events. For 93/99 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 61991 event pairs, 20 based on Foata normal form. 0/5350 useless extension candidates. Maximal degree in co-relation 6218. Up to 304 conditions per place. [2022-11-20 10:49:48,682 INFO L137 encePairwiseOnDemand]: 412/416 looper letters, 16 selfloop transitions, 2 changer transitions 0/374 dead transitions. [2022-11-20 10:49:48,682 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 374 transitions, 909 flow [2022-11-20 10:49:48,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:48,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:48,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1199 transitions. [2022-11-20 10:49:48,686 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9607371794871795 [2022-11-20 10:49:48,686 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1199 transitions. [2022-11-20 10:49:48,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1199 transitions. [2022-11-20 10:49:48,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:48,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1199 transitions. [2022-11-20 10:49:48,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 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) [2022-11-20 10:49:48,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:48,693 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:48,693 INFO L175 Difference]: Start difference. First operand has 366 places, 370 transitions, 861 flow. Second operand 3 states and 1199 transitions. [2022-11-20 10:49:48,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 374 transitions, 909 flow [2022-11-20 10:49:48,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 374 transitions, 905 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:49:48,705 INFO L231 Difference]: Finished difference. Result has 365 places, 370 transitions, 867 flow [2022-11-20 10:49:48,705 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=853, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=867, PETRI_PLACES=365, PETRI_TRANSITIONS=370} [2022-11-20 10:49:48,706 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -15 predicate places. [2022-11-20 10:49:48,706 INFO L495 AbstractCegarLoop]: Abstraction has has 365 places, 370 transitions, 867 flow [2022-11-20 10:49:48,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 395.0) internal successors, (1185), 3 states have internal predecessors, (1185), 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) [2022-11-20 10:49:48,707 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:48,707 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] [2022-11-20 10:49:48,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-20 10:49:48,707 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:48,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:48,708 INFO L85 PathProgramCache]: Analyzing trace with hash -334634179, now seen corresponding path program 1 times [2022-11-20 10:49:48,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:48,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051053919] [2022-11-20 10:49:48,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:48,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:49,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:49,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:49,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051053919] [2022-11-20 10:49:49,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051053919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:49,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:49,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:49:49,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20679927] [2022-11-20 10:49:49,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:49,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:49:49,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:49,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:49:49,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:49:49,309 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 378 out of 416 [2022-11-20 10:49:49,311 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 370 transitions, 867 flow. Second operand has 6 states, 6 states have (on average 381.0) internal successors, (2286), 6 states have internal predecessors, (2286), 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) [2022-11-20 10:49:49,311 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:49,311 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 378 of 416 [2022-11-20 10:49:49,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:50,110 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1160] thread3EXIT-->L80-7: 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[][353], [Black: 444#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 478#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 473#true, 497#(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)), 503#true, 310#L80-7true, Black: 463#true, 513#(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|)))), 489#(= |#race~filename_8~0| 0), Black: 468#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:50,111 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is not cut-off event [2022-11-20 10:49:50,111 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-20 10:49:50,111 INFO L386 tUnfolder$Statistics]: existing Event has 203 ancestors and is not cut-off event [2022-11-20 10:49:50,111 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-20 10:49:50,155 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1160] thread3EXIT-->L80-7: 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[][353], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 497#(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)), 310#L80-7true, Black: 463#true, 513#(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|)))), 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 505#(= |#race~filename_7~0| 0), 480#(= |#race~filename_4~0| 0), Black: 468#true, Black: 503#true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:50,155 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is cut-off event [2022-11-20 10:49:50,155 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:49:50,156 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:49:50,156 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:49:50,156 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1160] thread3EXIT-->L80-7: 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[][353], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 497#(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)), 310#L80-7true, Black: 463#true, 513#(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|)))), 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 505#(= |#race~filename_7~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), Black: 503#true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:50,156 INFO L383 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-11-20 10:49:50,157 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:49:50,157 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:49:50,157 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:49:50,157 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:49:50,157 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1160] thread3EXIT-->L80-7: 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[][353], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 497#(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)), 310#L80-7true, Black: 463#true, 513#(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|)))), 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 505#(= |#race~filename_7~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), Black: 503#true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:50,158 INFO L383 tUnfolder$Statistics]: this new event has 287 ancestors and is cut-off event [2022-11-20 10:49:50,158 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:49:50,158 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:49:50,158 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:49:50,158 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:49:50,159 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:49:50,159 INFO L381 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1160] thread3EXIT-->L80-7: 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[][353], [Black: 444#true, 451#(= |#race~isNull_3~0| 0), Black: 478#true, 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 497#(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)), 310#L80-7true, Black: 463#true, 513#(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|)))), 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 505#(= |#race~filename_7~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), Black: 503#true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:50,160 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is not cut-off event [2022-11-20 10:49:50,160 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:49:50,160 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:49:50,160 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:49:50,160 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is not cut-off event [2022-11-20 10:49:50,160 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:49:50,161 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:49:50,164 INFO L130 PetriNetUnfolder]: 141/3734 cut-off events. [2022-11-20 10:49:50,164 INFO L131 PetriNetUnfolder]: For 6/86 co-relation queries the response was YES. [2022-11-20 10:49:50,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4283 conditions, 3734 events. 141/3734 cut-off events. For 6/86 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 36046 event pairs, 0 based on Foata normal form. 16/3467 useless extension candidates. Maximal degree in co-relation 4151. Up to 96 conditions per place. [2022-11-20 10:49:50,231 INFO L137 encePairwiseOnDemand]: 411/416 looper letters, 22 selfloop transitions, 4 changer transitions 0/369 dead transitions. [2022-11-20 10:49:50,232 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 369 transitions, 917 flow [2022-11-20 10:49:50,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:49:50,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:49:50,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2295 transitions. [2022-11-20 10:49:50,240 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9194711538461539 [2022-11-20 10:49:50,240 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2295 transitions. [2022-11-20 10:49:50,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2295 transitions. [2022-11-20 10:49:50,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:50,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2295 transitions. [2022-11-20 10:49:50,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 382.5) internal successors, (2295), 6 states have internal predecessors, (2295), 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) [2022-11-20 10:49:50,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 416.0) internal successors, (2912), 7 states have internal predecessors, (2912), 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) [2022-11-20 10:49:50,253 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 416.0) internal successors, (2912), 7 states have internal predecessors, (2912), 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) [2022-11-20 10:49:50,254 INFO L175 Difference]: Start difference. First operand has 365 places, 370 transitions, 867 flow. Second operand 6 states and 2295 transitions. [2022-11-20 10:49:50,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 369 transitions, 917 flow [2022-11-20 10:49:50,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 369 transitions, 917 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 10:49:50,263 INFO L231 Difference]: Finished difference. Result has 369 places, 369 transitions, 873 flow [2022-11-20 10:49:50,263 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=865, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=873, PETRI_PLACES=369, PETRI_TRANSITIONS=369} [2022-11-20 10:49:50,264 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -11 predicate places. [2022-11-20 10:49:50,265 INFO L495 AbstractCegarLoop]: Abstraction has has 369 places, 369 transitions, 873 flow [2022-11-20 10:49:50,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 381.0) internal successors, (2286), 6 states have internal predecessors, (2286), 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) [2022-11-20 10:49:50,266 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:50,266 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] [2022-11-20 10:49:50,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-20 10:49:50,267 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:50,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:50,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1668753206, now seen corresponding path program 1 times [2022-11-20 10:49:50,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:50,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491023063] [2022-11-20 10:49:50,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:50,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:50,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:50,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:50,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491023063] [2022-11-20 10:49:50,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491023063] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:50,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:50,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:49:50,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598303817] [2022-11-20 10:49:50,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:50,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:49:50,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:50,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:49:50,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:49:50,945 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 378 out of 416 [2022-11-20 10:49:50,947 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 369 transitions, 873 flow. Second operand has 6 states, 6 states have (on average 382.0) internal successors, (2292), 6 states have internal predecessors, (2292), 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) [2022-11-20 10:49:50,947 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:50,947 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 378 of 416 [2022-11-20 10:49:50,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:51,632 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1160] thread3EXIT-->L80-7: 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[][352], [Black: 444#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 478#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 473#true, 497#(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)), 503#true, 310#L80-7true, 513#(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: 463#true, 489#(= |#race~filename_8~0| 0), Black: 468#true, 520#(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)), 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:51,632 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is not cut-off event [2022-11-20 10:49:51,632 INFO L386 tUnfolder$Statistics]: existing Event has 203 ancestors and is not cut-off event [2022-11-20 10:49:51,632 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-20 10:49:51,633 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-20 10:49:51,668 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1160] thread3EXIT-->L80-7: 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[][352], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 497#(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)), 310#L80-7true, 513#(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: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 505#(= |#race~filename_7~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), Black: 503#true, Black: 473#true, 520#(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)), 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:51,668 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is cut-off event [2022-11-20 10:49:51,669 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:49:51,669 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:49:51,669 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:49:51,669 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1160] thread3EXIT-->L80-7: 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[][352], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 497#(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)), 310#L80-7true, 513#(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: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 505#(= |#race~filename_7~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), Black: 503#true, Black: 473#true, 446#(= |#race~isNull_0~0| 0), 520#(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))]) [2022-11-20 10:49:51,669 INFO L383 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-11-20 10:49:51,670 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:49:51,670 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:49:51,670 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:49:51,670 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:49:51,670 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1160] thread3EXIT-->L80-7: 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[][352], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 497#(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)), 310#L80-7true, 513#(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: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 505#(= |#race~filename_7~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), Black: 503#true, Black: 473#true, 446#(= |#race~isNull_0~0| 0), 520#(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))]) [2022-11-20 10:49:51,670 INFO L383 tUnfolder$Statistics]: this new event has 287 ancestors and is cut-off event [2022-11-20 10:49:51,671 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:49:51,671 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:49:51,671 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:49:51,671 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:49:51,671 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:49:51,672 INFO L381 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1160] thread3EXIT-->L80-7: 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[][352], [Black: 444#true, 451#(= |#race~isNull_3~0| 0), Black: 478#true, 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 497#(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)), 310#L80-7true, 513#(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: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 505#(= |#race~filename_7~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), Black: 503#true, Black: 473#true, 520#(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)), 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:51,672 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is not cut-off event [2022-11-20 10:49:51,672 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:49:51,672 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:49:51,672 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:49:51,673 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:49:51,673 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:49:51,673 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is not cut-off event [2022-11-20 10:49:51,675 INFO L130 PetriNetUnfolder]: 141/3725 cut-off events. [2022-11-20 10:49:51,676 INFO L131 PetriNetUnfolder]: For 9/87 co-relation queries the response was YES. [2022-11-20 10:49:51,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4284 conditions, 3725 events. 141/3725 cut-off events. For 9/87 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 35989 event pairs, 0 based on Foata normal form. 8/3459 useless extension candidates. Maximal degree in co-relation 4151. Up to 95 conditions per place. [2022-11-20 10:49:51,722 INFO L137 encePairwiseOnDemand]: 411/416 looper letters, 21 selfloop transitions, 4 changer transitions 0/368 dead transitions. [2022-11-20 10:49:51,722 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 368 transitions, 921 flow [2022-11-20 10:49:51,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:49:51,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:49:51,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2294 transitions. [2022-11-20 10:49:51,729 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9190705128205128 [2022-11-20 10:49:51,729 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2294 transitions. [2022-11-20 10:49:51,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2294 transitions. [2022-11-20 10:49:51,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:51,731 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2294 transitions. [2022-11-20 10:49:51,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 382.3333333333333) internal successors, (2294), 6 states have internal predecessors, (2294), 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) [2022-11-20 10:49:51,740 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 416.0) internal successors, (2912), 7 states have internal predecessors, (2912), 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) [2022-11-20 10:49:51,741 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 416.0) internal successors, (2912), 7 states have internal predecessors, (2912), 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) [2022-11-20 10:49:51,742 INFO L175 Difference]: Start difference. First operand has 369 places, 369 transitions, 873 flow. Second operand 6 states and 2294 transitions. [2022-11-20 10:49:51,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 368 transitions, 921 flow [2022-11-20 10:49:51,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 368 transitions, 914 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 10:49:51,749 INFO L231 Difference]: Finished difference. Result has 369 places, 368 transitions, 872 flow [2022-11-20 10:49:51,750 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=864, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=872, PETRI_PLACES=369, PETRI_TRANSITIONS=368} [2022-11-20 10:49:51,751 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -11 predicate places. [2022-11-20 10:49:51,751 INFO L495 AbstractCegarLoop]: Abstraction has has 369 places, 368 transitions, 872 flow [2022-11-20 10:49:51,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 382.0) internal successors, (2292), 6 states have internal predecessors, (2292), 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) [2022-11-20 10:49:51,752 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:51,752 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] [2022-11-20 10:49:51,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-20 10:49:51,753 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:51,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:51,753 INFO L85 PathProgramCache]: Analyzing trace with hash -2123458552, now seen corresponding path program 1 times [2022-11-20 10:49:51,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:51,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276853780] [2022-11-20 10:49:51,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:51,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:51,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:51,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:51,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276853780] [2022-11-20 10:49:51,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276853780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:51,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:51,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:51,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843555019] [2022-11-20 10:49:51,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:51,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:51,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:51,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:51,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:51,840 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 416 [2022-11-20 10:49:51,842 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 368 transitions, 872 flow. Second operand has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 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) [2022-11-20 10:49:51,842 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:51,842 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 416 [2022-11-20 10:49:51,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:52,823 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1160] thread3EXIT-->L80-7: 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[][352], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), 522#true, 465#(= |#race~filename_5~0| 0), Black: 454#true, Black: 487#true, 497#(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)), 310#L80-7true, Black: 463#true, 513#(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|)))), 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 505#(= |#race~filename_7~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), Black: 503#true, Black: 473#true, 520#(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)), 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:52,823 INFO L383 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-11-20 10:49:52,823 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:49:52,823 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-20 10:49:52,823 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-20 10:49:52,823 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1160] thread3EXIT-->L80-7: 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[][352], [Black: 444#true, 451#(= |#race~isNull_3~0| 0), Black: 478#true, 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), 522#true, 465#(= |#race~filename_5~0| 0), Black: 454#true, Black: 487#true, 497#(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)), 310#L80-7true, 513#(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: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 505#(= |#race~filename_7~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), Black: 503#true, Black: 473#true, 446#(= |#race~isNull_0~0| 0), 520#(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))]) [2022-11-20 10:49:52,823 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is not cut-off event [2022-11-20 10:49:52,824 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:49:52,824 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:49:52,824 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:49:52,824 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:49:52,827 INFO L130 PetriNetUnfolder]: 207/5288 cut-off events. [2022-11-20 10:49:52,827 INFO L131 PetriNetUnfolder]: For 34/61 co-relation queries the response was YES. [2022-11-20 10:49:52,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6065 conditions, 5288 events. 207/5288 cut-off events. For 34/61 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 55856 event pairs, 12 based on Foata normal form. 0/4935 useless extension candidates. Maximal degree in co-relation 5736. Up to 140 conditions per place. [2022-11-20 10:49:52,910 INFO L137 encePairwiseOnDemand]: 414/416 looper letters, 9 selfloop transitions, 1 changer transitions 0/367 dead transitions. [2022-11-20 10:49:52,910 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 367 transitions, 890 flow [2022-11-20 10:49:52,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:52,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:52,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1199 transitions. [2022-11-20 10:49:52,913 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9607371794871795 [2022-11-20 10:49:52,913 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1199 transitions. [2022-11-20 10:49:52,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1199 transitions. [2022-11-20 10:49:52,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:52,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1199 transitions. [2022-11-20 10:49:52,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 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) [2022-11-20 10:49:52,919 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:52,919 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:52,919 INFO L175 Difference]: Start difference. First operand has 369 places, 368 transitions, 872 flow. Second operand 3 states and 1199 transitions. [2022-11-20 10:49:52,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 367 transitions, 890 flow [2022-11-20 10:49:52,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 367 transitions, 883 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 10:49:52,927 INFO L231 Difference]: Finished difference. Result has 366 places, 367 transitions, 865 flow [2022-11-20 10:49:52,928 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=863, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=865, PETRI_PLACES=366, PETRI_TRANSITIONS=367} [2022-11-20 10:49:52,928 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -14 predicate places. [2022-11-20 10:49:52,928 INFO L495 AbstractCegarLoop]: Abstraction has has 366 places, 367 transitions, 865 flow [2022-11-20 10:49:52,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 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) [2022-11-20 10:49:52,929 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:52,929 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] [2022-11-20 10:49:52,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-20 10:49:52,930 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:52,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:52,930 INFO L85 PathProgramCache]: Analyzing trace with hash -170755939, now seen corresponding path program 1 times [2022-11-20 10:49:52,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:52,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966641684] [2022-11-20 10:49:52,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:52,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:53,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:53,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:53,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966641684] [2022-11-20 10:49:53,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966641684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:53,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:53,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:53,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764488347] [2022-11-20 10:49:53,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:53,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:53,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:53,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:53,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:53,015 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 416 [2022-11-20 10:49:53,016 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 367 transitions, 865 flow. Second operand has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 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) [2022-11-20 10:49:53,017 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:53,017 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 416 [2022-11-20 10:49:53,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:54,115 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1160] thread3EXIT-->L80-7: 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[][352], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), 522#true, Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 497#(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)), 310#L80-7true, 526#true, 513#(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: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 505#(= |#race~filename_7~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), Black: 503#true, Black: 473#true, 520#(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)), 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:54,115 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is not cut-off event [2022-11-20 10:49:54,115 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:49:54,115 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-20 10:49:54,116 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-20 10:49:54,118 INFO L130 PetriNetUnfolder]: 222/6057 cut-off events. [2022-11-20 10:49:54,118 INFO L131 PetriNetUnfolder]: For 51/109 co-relation queries the response was YES. [2022-11-20 10:49:54,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6962 conditions, 6057 events. 222/6057 cut-off events. For 51/109 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 66325 event pairs, 46 based on Foata normal form. 0/5672 useless extension candidates. Maximal degree in co-relation 6722. Up to 158 conditions per place. [2022-11-20 10:49:54,216 INFO L137 encePairwiseOnDemand]: 414/416 looper letters, 9 selfloop transitions, 1 changer transitions 0/366 dead transitions. [2022-11-20 10:49:54,216 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 366 transitions, 883 flow [2022-11-20 10:49:54,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:54,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:54,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1199 transitions. [2022-11-20 10:49:54,220 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9607371794871795 [2022-11-20 10:49:54,220 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1199 transitions. [2022-11-20 10:49:54,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1199 transitions. [2022-11-20 10:49:54,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:54,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1199 transitions. [2022-11-20 10:49:54,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 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) [2022-11-20 10:49:54,230 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:54,230 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:54,231 INFO L175 Difference]: Start difference. First operand has 366 places, 367 transitions, 865 flow. Second operand 3 states and 1199 transitions. [2022-11-20 10:49:54,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 366 transitions, 883 flow [2022-11-20 10:49:54,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 366 transitions, 882 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:49:54,241 INFO L231 Difference]: Finished difference. Result has 366 places, 366 transitions, 864 flow [2022-11-20 10:49:54,242 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=862, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=864, PETRI_PLACES=366, PETRI_TRANSITIONS=366} [2022-11-20 10:49:54,242 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -14 predicate places. [2022-11-20 10:49:54,242 INFO L495 AbstractCegarLoop]: Abstraction has has 366 places, 366 transitions, 864 flow [2022-11-20 10:49:54,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 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) [2022-11-20 10:49:54,243 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:49:54,243 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] [2022-11-20 10:49:54,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-20 10:49:54,244 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-20 10:49:54,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:54,244 INFO L85 PathProgramCache]: Analyzing trace with hash -25850541, now seen corresponding path program 1 times [2022-11-20 10:49:54,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:54,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044515333] [2022-11-20 10:49:54,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:54,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:54,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:54,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:54,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044515333] [2022-11-20 10:49:54,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044515333] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:54,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:54,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:49:54,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635232953] [2022-11-20 10:49:54,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:54,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:49:54,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:54,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:49:54,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:49:54,371 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 416 [2022-11-20 10:49:54,372 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 366 transitions, 864 flow. Second operand has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 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) [2022-11-20 10:49:54,372 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:49:54,373 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 416 [2022-11-20 10:49:54,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:49:55,199 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1094] L56-39-->L56-40: Formula: (= |v_thread3Thread1of1ForFork0_#t~nondet18#1_3| |v_#race~result_11~0_1|) InVars {thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race~result_11~0=|v_#race~result_11~0_1|, thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race~result_11~0][227], [Black: 444#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 478#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 234#L56-40true, 530#true, 473#true, 497#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 503#true, 526#true, Black: 463#true, 513#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 489#(= |#race~filename_8~0| 0), Black: 468#true, 206#L79-7true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:55,199 INFO L383 tUnfolder$Statistics]: this new event has 178 ancestors and is cut-off event [2022-11-20 10:49:55,199 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-11-20 10:49:55,199 INFO L386 tUnfolder$Statistics]: existing Event has 186 ancestors and is cut-off event [2022-11-20 10:49:55,199 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-11-20 10:49:55,343 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1094] L56-39-->L56-40: Formula: (= |v_thread3Thread1of1ForFork0_#t~nondet18#1_3| |v_#race~result_11~0_1|) InVars {thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race~result_11~0=|v_#race~result_11~0_1|, thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race~result_11~0][227], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 234#L56-40true, 530#true, 497#(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)), 526#true, 513#(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: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 505#(= |#race~filename_7~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), 206#L79-7true, Black: 503#true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:55,343 INFO L383 tUnfolder$Statistics]: this new event has 234 ancestors and is cut-off event [2022-11-20 10:49:55,343 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:49:55,343 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:49:55,343 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:49:55,355 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1159] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][339], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 530#true, 173#L56-41true, 497#(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)), 526#true, 513#(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: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 505#(= |#race~filename_7~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), 206#L79-7true, Black: 503#true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:55,355 INFO L383 tUnfolder$Statistics]: this new event has 243 ancestors and is cut-off event [2022-11-20 10:49:55,355 INFO L386 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-11-20 10:49:55,356 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-20 10:49:55,356 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-20 10:49:55,356 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1159] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][339], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 530#true, 234#L56-40true, 497#(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)), 526#true, 513#(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: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 505#(= |#race~filename_7~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), 206#L79-7true, Black: 503#true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:55,356 INFO L383 tUnfolder$Statistics]: this new event has 242 ancestors and is cut-off event [2022-11-20 10:49:55,356 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:49:55,356 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:49:55,356 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:49:55,358 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1094] L56-39-->L56-40: Formula: (= |v_thread3Thread1of1ForFork0_#t~nondet18#1_3| |v_#race~result_11~0_1|) InVars {thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race~result_11~0=|v_#race~result_11~0_1|, thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race~result_11~0][227], [Black: 444#true, 451#(= |#race~isNull_3~0| 0), Black: 478#true, 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), 234#L56-40true, 530#true, Black: 487#true, 497#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 526#true, 513#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 505#(= |#race~filename_7~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), 206#L79-7true, Black: 503#true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:55,358 INFO L383 tUnfolder$Statistics]: this new event has 242 ancestors and is cut-off event [2022-11-20 10:49:55,358 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:49:55,358 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:49:55,358 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:49:55,358 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:49:55,359 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1094] L56-39-->L56-40: Formula: (= |v_thread3Thread1of1ForFork0_#t~nondet18#1_3| |v_#race~result_11~0_1|) InVars {thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race~result_11~0=|v_#race~result_11~0_1|, thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race~result_11~0][227], [Black: 444#true, 451#(= |#race~isNull_3~0| 0), Black: 478#true, 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 234#L56-40true, 530#true, 497#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 526#true, 513#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 505#(= |#race~filename_7~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), 206#L79-7true, Black: 503#true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:55,359 INFO L383 tUnfolder$Statistics]: this new event has 270 ancestors and is cut-off event [2022-11-20 10:49:55,359 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:49:55,359 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:49:55,359 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:49:55,359 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:49:55,360 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:49:55,360 INFO L381 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1094] L56-39-->L56-40: Formula: (= |v_thread3Thread1of1ForFork0_#t~nondet18#1_3| |v_#race~result_11~0_1|) InVars {thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race~result_11~0=|v_#race~result_11~0_1|, thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race~result_11~0][227], [Black: 444#true, 451#(= |#race~isNull_3~0| 0), Black: 478#true, 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), Black: 487#true, 234#L56-40true, 530#true, 497#(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)), 526#true, 513#(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: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 505#(= |#race~filename_7~0| 0), 480#(= |#race~filename_4~0| 0), Black: 468#true, 206#L79-7true, Black: 503#true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:55,360 INFO L383 tUnfolder$Statistics]: this new event has 234 ancestors and is cut-off event [2022-11-20 10:49:55,360 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:49:55,360 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-20 10:49:55,361 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:49:55,361 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:49:55,361 INFO L386 tUnfolder$Statistics]: existing Event has 270 ancestors and is cut-off event [2022-11-20 10:49:55,361 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-20 10:49:55,372 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1159] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][339], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), 234#L56-40true, Black: 487#true, 530#true, 497#(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)), 526#true, 513#(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: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 505#(= |#race~filename_7~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), 206#L79-7true, Black: 503#true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:55,373 INFO L383 tUnfolder$Statistics]: this new event has 234 ancestors and is not cut-off event [2022-11-20 10:49:55,373 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is not cut-off event [2022-11-20 10:49:55,373 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is not cut-off event [2022-11-20 10:49:55,373 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is not cut-off event [2022-11-20 10:49:55,373 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is not cut-off event [2022-11-20 10:49:55,373 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1159] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][339], [Black: 444#true, Black: 478#true, 451#(= |#race~isNull_3~0| 0), 456#(= |#race~filename_2~0| 0), Black: 449#true, 470#(= |#race~isNull_6~0| 0), Black: 454#true, 465#(= |#race~filename_5~0| 0), 530#true, Black: 487#true, 173#L56-41true, 497#(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)), 526#true, 513#(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: 463#true, 489#(= |#race~filename_8~0| 0), 475#(= |#race~filename_1~0| 0), 505#(= |#race~filename_7~0| 0), Black: 468#true, 480#(= |#race~filename_4~0| 0), 206#L79-7true, Black: 503#true, Black: 473#true, 446#(= |#race~isNull_0~0| 0)]) [2022-11-20 10:49:55,374 INFO L383 tUnfolder$Statistics]: this new event has 235 ancestors and is cut-off event [2022-11-20 10:49:55,374 INFO L386 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-11-20 10:49:55,374 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-20 10:49:55,374 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-20 10:49:55,374 INFO L386 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-11-20 10:49:55,380 INFO L130 PetriNetUnfolder]: 263/4528 cut-off events. [2022-11-20 10:49:55,380 INFO L131 PetriNetUnfolder]: For 152/168 co-relation queries the response was YES. [2022-11-20 10:49:55,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5471 conditions, 4528 events. 263/4528 cut-off events. For 152/168 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 47063 event pairs, 96 based on Foata normal form. 24/4227 useless extension candidates. Maximal degree in co-relation 5363. Up to 429 conditions per place. [2022-11-20 10:49:55,425 INFO L137 encePairwiseOnDemand]: 414/416 looper letters, 0 selfloop transitions, 0 changer transitions 365/365 dead transitions. [2022-11-20 10:49:55,425 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 365 transitions, 880 flow [2022-11-20 10:49:55,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:49:55,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:49:55,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1198 transitions. [2022-11-20 10:49:55,430 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9599358974358975 [2022-11-20 10:49:55,430 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1198 transitions. [2022-11-20 10:49:55,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1198 transitions. [2022-11-20 10:49:55,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:55,431 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1198 transitions. [2022-11-20 10:49:55,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 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) [2022-11-20 10:49:55,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:55,438 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 416.0) internal successors, (1664), 4 states have internal predecessors, (1664), 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) [2022-11-20 10:49:55,438 INFO L175 Difference]: Start difference. First operand has 366 places, 366 transitions, 864 flow. Second operand 3 states and 1198 transitions. [2022-11-20 10:49:55,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 365 transitions, 880 flow [2022-11-20 10:49:55,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 365 transitions, 879 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:49:55,445 INFO L231 Difference]: Finished difference. Result has 366 places, 0 transitions, 0 flow [2022-11-20 10:49:55,445 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=416, PETRI_DIFFERENCE_MINUEND_FLOW=861, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=366, PETRI_TRANSITIONS=0} [2022-11-20 10:49:55,446 INFO L288 CegarLoopForPetriNet]: 380 programPoint places, -14 predicate places. [2022-11-20 10:49:55,446 INFO L495 AbstractCegarLoop]: Abstraction has has 366 places, 0 transitions, 0 flow [2022-11-20 10:49:55,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 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) [2022-11-20 10:49:55,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (71 of 72 remaining) [2022-11-20 10:49:55,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (70 of 72 remaining) [2022-11-20 10:49:55,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (69 of 72 remaining) [2022-11-20 10:49:55,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (68 of 72 remaining) [2022-11-20 10:49:55,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (67 of 72 remaining) [2022-11-20 10:49:55,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (66 of 72 remaining) [2022-11-20 10:49:55,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (65 of 72 remaining) [2022-11-20 10:49:55,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (64 of 72 remaining) [2022-11-20 10:49:55,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (63 of 72 remaining) [2022-11-20 10:49:55,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (62 of 72 remaining) [2022-11-20 10:49:55,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (61 of 72 remaining) [2022-11-20 10:49:55,452 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (60 of 72 remaining) [2022-11-20 10:49:55,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (59 of 72 remaining) [2022-11-20 10:49:55,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (58 of 72 remaining) [2022-11-20 10:49:55,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (57 of 72 remaining) [2022-11-20 10:49:55,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (56 of 72 remaining) [2022-11-20 10:49:55,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (55 of 72 remaining) [2022-11-20 10:49:55,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (54 of 72 remaining) [2022-11-20 10:49:55,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (53 of 72 remaining) [2022-11-20 10:49:55,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (52 of 72 remaining) [2022-11-20 10:49:55,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (51 of 72 remaining) [2022-11-20 10:49:55,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (50 of 72 remaining) [2022-11-20 10:49:55,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (49 of 72 remaining) [2022-11-20 10:49:55,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (48 of 72 remaining) [2022-11-20 10:49:55,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (47 of 72 remaining) [2022-11-20 10:49:55,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (46 of 72 remaining) [2022-11-20 10:49:55,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (45 of 72 remaining) [2022-11-20 10:49:55,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (44 of 72 remaining) [2022-11-20 10:49:55,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (43 of 72 remaining) [2022-11-20 10:49:55,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (42 of 72 remaining) [2022-11-20 10:49:55,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (41 of 72 remaining) [2022-11-20 10:49:55,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (40 of 72 remaining) [2022-11-20 10:49:55,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (39 of 72 remaining) [2022-11-20 10:49:55,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (38 of 72 remaining) [2022-11-20 10:49:55,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (37 of 72 remaining) [2022-11-20 10:49:55,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (36 of 72 remaining) [2022-11-20 10:49:55,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (35 of 72 remaining) [2022-11-20 10:49:55,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (34 of 72 remaining) [2022-11-20 10:49:55,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (33 of 72 remaining) [2022-11-20 10:49:55,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (32 of 72 remaining) [2022-11-20 10:49:55,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (31 of 72 remaining) [2022-11-20 10:49:55,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (30 of 72 remaining) [2022-11-20 10:49:55,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 72 remaining) [2022-11-20 10:49:55,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 72 remaining) [2022-11-20 10:49:55,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 72 remaining) [2022-11-20 10:49:55,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 72 remaining) [2022-11-20 10:49:55,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 72 remaining) [2022-11-20 10:49:55,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 72 remaining) [2022-11-20 10:49:55,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 72 remaining) [2022-11-20 10:49:55,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 72 remaining) [2022-11-20 10:49:55,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (21 of 72 remaining) [2022-11-20 10:49:55,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (20 of 72 remaining) [2022-11-20 10:49:55,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (19 of 72 remaining) [2022-11-20 10:49:55,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (18 of 72 remaining) [2022-11-20 10:49:55,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 72 remaining) [2022-11-20 10:49:55,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 72 remaining) [2022-11-20 10:49:55,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 72 remaining) [2022-11-20 10:49:55,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 72 remaining) [2022-11-20 10:49:55,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 72 remaining) [2022-11-20 10:49:55,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (12 of 72 remaining) [2022-11-20 10:49:55,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (11 of 72 remaining) [2022-11-20 10:49:55,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (10 of 72 remaining) [2022-11-20 10:49:55,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (9 of 72 remaining) [2022-11-20 10:49:55,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 72 remaining) [2022-11-20 10:49:55,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 72 remaining) [2022-11-20 10:49:55,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 72 remaining) [2022-11-20 10:49:55,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 72 remaining) [2022-11-20 10:49:55,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (4 of 72 remaining) [2022-11-20 10:49:55,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 72 remaining) [2022-11-20 10:49:55,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 72 remaining) [2022-11-20 10:49:55,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 72 remaining) [2022-11-20 10:49:55,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 72 remaining) [2022-11-20 10:49:55,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-20 10:49:55,465 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, 1, 1, 1] [2022-11-20 10:49:55,472 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 10:49:55,472 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:49:55,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:49:55 BasicIcfg [2022-11-20 10:49:55,478 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:49:55,479 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:49:55,479 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:49:55,479 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:49:55,480 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:49:31" (3/4) ... [2022-11-20 10:49:55,483 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:49:55,489 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-20 10:49:55,490 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-20 10:49:55,490 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-20 10:49:55,496 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-20 10:49:55,496 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 10:49:55,497 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 10:49:55,497 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:49:55,536 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c53e9-3224-49ed-b937-58f92fc6422d/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:49:55,536 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:49:55,537 INFO L158 Benchmark]: Toolchain (without parser) took 24995.34ms. Allocated memory was 157.3MB in the beginning and 2.9GB in the end (delta: 2.8GB). Free memory was 124.9MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 810.2MB. Max. memory is 16.1GB. [2022-11-20 10:49:55,537 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 157.3MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:49:55,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.25ms. Allocated memory is still 157.3MB. Free memory was 124.9MB in the beginning and 112.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 10:49:55,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.13ms. Allocated memory is still 157.3MB. Free memory was 112.7MB in the beginning and 110.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:49:55,538 INFO L158 Benchmark]: Boogie Preprocessor took 42.49ms. Allocated memory is still 157.3MB. Free memory was 110.2MB in the beginning and 108.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:49:55,539 INFO L158 Benchmark]: RCFGBuilder took 921.64ms. Allocated memory is still 157.3MB. Free memory was 108.0MB in the beginning and 80.3MB in the end (delta: 27.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-20 10:49:55,539 INFO L158 Benchmark]: TraceAbstraction took 23639.25ms. Allocated memory was 157.3MB in the beginning and 2.9GB in the end (delta: 2.8GB). Free memory was 79.8MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 759.9MB. Max. memory is 16.1GB. [2022-11-20 10:49:55,540 INFO L158 Benchmark]: Witness Printer took 57.73ms. Allocated memory is still 2.9GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:49:55,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 157.3MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.25ms. Allocated memory is still 157.3MB. Free memory was 124.9MB in the beginning and 112.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.13ms. Allocated memory is still 157.3MB. Free memory was 112.7MB in the beginning and 110.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.49ms. Allocated memory is still 157.3MB. Free memory was 110.2MB in the beginning and 108.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 921.64ms. Allocated memory is still 157.3MB. Free memory was 108.0MB in the beginning and 80.3MB in the end (delta: 27.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 23639.25ms. Allocated memory was 157.3MB in the beginning and 2.9GB in the end (delta: 2.8GB). Free memory was 79.8MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 759.9MB. Max. memory is 16.1GB. * Witness Printer took 57.73ms. Allocated memory is still 2.9GB. Free memory was 2.1GB in the beginning and 2.1GB 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: 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: 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: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: 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: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: 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, 621 locations, 72 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: 23.4s, OverallIterations: 27, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 108 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 108 mSDsluCounter, 230 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 655 IncrementalHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 230 mSDtfsCounter, 655 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=873occurred in iteration=23, InterpolantAutomatonStates: 90, 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, 2687 NumberOfCodeBlocks, 2687 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 2660 ConstructedInterpolants, 0 QuantifiedInterpolants, 2951 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 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 42 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 10:49:55,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe4c53e9-3224-49ed-b937-58f92fc6422d/bin/uautomizer-ug76WZFUDN/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