./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-commit-1.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_86589fc5-6c68-4d96-a996-5b110acfeb54/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86589fc5-6c68-4d96-a996-5b110acfeb54/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_86589fc5-6c68-4d96-a996-5b110acfeb54/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86589fc5-6c68-4d96-a996-5b110acfeb54/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86589fc5-6c68-4d96-a996-5b110acfeb54/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_86589fc5-6c68-4d96-a996-5b110acfeb54/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 4b2db95108d1ec3739bf941ab9d238fd5c3dd7467faa747c6c0552ae2048ee95 --- 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 10:30:22,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:30:22,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:30:22,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:30:22,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:30:22,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:30:22,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:30:22,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:30:22,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:30:22,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:30:22,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:30:22,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:30:22,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:30:22,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:30:22,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:30:22,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:30:22,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:30:22,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:30:22,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:30:22,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:30:22,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:30:22,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:30:22,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:30:22,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:30:22,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:30:22,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:30:22,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:30:22,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:30:22,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:30:22,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:30:22,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:30:22,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:30:22,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:30:22,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:30:22,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:30:22,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:30:22,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:30:22,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:30:22,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:30:22,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:30:22,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:30:22,869 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86589fc5-6c68-4d96-a996-5b110acfeb54/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 10:30:22,910 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:30:22,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:30:22,911 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:30:22,912 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:30:22,912 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:30:22,913 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:30:22,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:30:22,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:30:22,914 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:30:22,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:30:22,915 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:30:22,915 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:30:22,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:30:22,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:30:22,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:30:22,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:30:22,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:30:22,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:30:22,917 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 10:30:22,917 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:30:22,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:30:22,917 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:30:22,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:30:22,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:30:22,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:30:22,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:30:22,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:22,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:30:22,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:30:22,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:30:22,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:30:22,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:30:22,920 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:30:22,920 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:30:22,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:30:22,921 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_86589fc5-6c68-4d96-a996-5b110acfeb54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86589fc5-6c68-4d96-a996-5b110acfeb54/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b2db95108d1ec3739bf941ab9d238fd5c3dd7467faa747c6c0552ae2048ee95 [2022-11-20 10:30:23,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:30:23,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:30:23,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:30:23,256 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:30:23,256 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:30:23,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86589fc5-6c68-4d96-a996-5b110acfeb54/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2022-11-20 10:30:26,218 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:30:26,457 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:30:26,458 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86589fc5-6c68-4d96-a996-5b110acfeb54/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2022-11-20 10:30:26,465 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86589fc5-6c68-4d96-a996-5b110acfeb54/bin/uautomizer-ug76WZFUDN/data/fcc4265de/4f741aeaee594bc3bbd89a736c748ba0/FLAG1a0531eb9 [2022-11-20 10:30:26,480 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86589fc5-6c68-4d96-a996-5b110acfeb54/bin/uautomizer-ug76WZFUDN/data/fcc4265de/4f741aeaee594bc3bbd89a736c748ba0 [2022-11-20 10:30:26,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:30:26,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:30:26,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:26,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:30:26,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:30:26,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:26" (1/1) ... [2022-11-20 10:30:26,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6888363e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:26, skipping insertion in model container [2022-11-20 10:30:26,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:26" (1/1) ... [2022-11-20 10:30:26,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:30:26,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:30:26,759 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_86589fc5-6c68-4d96-a996-5b110acfeb54/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c[4604,4617] [2022-11-20 10:30:26,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:26,788 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:30:26,839 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_86589fc5-6c68-4d96-a996-5b110acfeb54/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c[4604,4617] [2022-11-20 10:30:26,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:26,857 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:30:26,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:26 WrapperNode [2022-11-20 10:30:26,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:26,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:30:26,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:30:26,859 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:30:26,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:26" (1/1) ... [2022-11-20 10:30:26,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:26" (1/1) ... [2022-11-20 10:30:26,949 INFO L138 Inliner]: procedures = 25, calls = 68, calls flagged for inlining = 20, calls inlined = 24, statements flattened = 715 [2022-11-20 10:30:26,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:30:26,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:30:26,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:30:26,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:30:26,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:26" (1/1) ... [2022-11-20 10:30:26,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:26" (1/1) ... [2022-11-20 10:30:26,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:26" (1/1) ... [2022-11-20 10:30:26,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:26" (1/1) ... [2022-11-20 10:30:27,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:26" (1/1) ... [2022-11-20 10:30:27,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:26" (1/1) ... [2022-11-20 10:30:27,009 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:26" (1/1) ... [2022-11-20 10:30:27,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:26" (1/1) ... [2022-11-20 10:30:27,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:30:27,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:30:27,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:30:27,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:30:27,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:26" (1/1) ... [2022-11-20 10:30:27,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:27,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86589fc5-6c68-4d96-a996-5b110acfeb54/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:27,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86589fc5-6c68-4d96-a996-5b110acfeb54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:27,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86589fc5-6c68-4d96-a996-5b110acfeb54/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:30:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:30:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:30:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:30:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:30:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 10:30:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 10:30:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 10:30:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 10:30:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 10:30:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 10:30:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:30:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 10:30:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 10:30:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:30:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:30:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:30:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:30:27,114 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 10:30:27,301 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:30:27,304 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:30:28,587 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:30:29,537 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:30:29,537 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-20 10:30:29,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:29 BoogieIcfgContainer [2022-11-20 10:30:29,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:30:29,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:30:29,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:30:29,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:30:29,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:30:26" (1/3) ... [2022-11-20 10:30:29,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2788da9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:30:29, skipping insertion in model container [2022-11-20 10:30:29,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:26" (2/3) ... [2022-11-20 10:30:29,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2788da9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:30:29, skipping insertion in model container [2022-11-20 10:30:29,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:29" (3/3) ... [2022-11-20 10:30:29,555 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-commit-1.wvr.c [2022-11-20 10:30:29,564 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 10:30:29,575 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:30:29,575 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 116 error locations. [2022-11-20 10:30:29,575 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 10:30:29,832 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-20 10:30:29,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 470 places, 479 transitions, 982 flow [2022-11-20 10:30:30,185 INFO L130 PetriNetUnfolder]: 19/476 cut-off events. [2022-11-20 10:30:30,185 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-20 10:30:30,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 489 conditions, 476 events. 19/476 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 707 event pairs, 0 based on Foata normal form. 0/341 useless extension candidates. Maximal degree in co-relation 397. Up to 2 conditions per place. [2022-11-20 10:30:30,196 INFO L82 GeneralOperation]: Start removeDead. Operand has 470 places, 479 transitions, 982 flow [2022-11-20 10:30:30,212 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 448 places, 456 transitions, 930 flow [2022-11-20 10:30:30,229 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:30:30,237 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;@28ab30fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:30:30,237 INFO L358 AbstractCegarLoop]: Starting to check reachability of 207 error locations. [2022-11-20 10:30:30,245 INFO L130 PetriNetUnfolder]: 0/33 cut-off events. [2022-11-20 10:30:30,246 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:30:30,246 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:30,247 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] [2022-11-20 10:30:30,248 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:30,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:30,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1243772581, now seen corresponding path program 1 times [2022-11-20 10:30:30,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:30,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396429299] [2022-11-20 10:30:30,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:30,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:30,572 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 10:30:30,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:30,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396429299] [2022-11-20 10:30:30,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396429299] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:30,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:30,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:30,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728916523] [2022-11-20 10:30:30,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:30,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:30,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:30,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:30,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:30,635 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 479 [2022-11-20 10:30:30,644 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 456 transitions, 930 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states 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 10:30:30,644 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:30,644 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 479 [2022-11-20 10:30:30,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:31,028 INFO L130 PetriNetUnfolder]: 66/439 cut-off events. [2022-11-20 10:30:31,028 INFO L131 PetriNetUnfolder]: For 37/49 co-relation queries the response was YES. [2022-11-20 10:30:31,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 582 conditions, 439 events. 66/439 cut-off events. For 37/49 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 527 event pairs, 31 based on Foata normal form. 41/431 useless extension candidates. Maximal degree in co-relation 372. Up to 104 conditions per place. [2022-11-20 10:30:31,036 INFO L137 encePairwiseOnDemand]: 376/479 looper letters, 19 selfloop transitions, 2 changer transitions 6/355 dead transitions. [2022-11-20 10:30:31,036 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 355 transitions, 770 flow [2022-11-20 10:30:31,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:31,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:31,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1184 transitions. [2022-11-20 10:30:31,060 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8239387613082811 [2022-11-20 10:30:31,061 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1184 transitions. [2022-11-20 10:30:31,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1184 transitions. [2022-11-20 10:30:31,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:31,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1184 transitions. [2022-11-20 10:30:31,076 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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 10:30:31,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:31,088 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:31,090 INFO L175 Difference]: Start difference. First operand has 448 places, 456 transitions, 930 flow. Second operand 3 states and 1184 transitions. [2022-11-20 10:30:31,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 355 transitions, 770 flow [2022-11-20 10:30:31,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 355 transitions, 758 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-20 10:30:31,110 INFO L231 Difference]: Finished difference. Result has 355 places, 349 transitions, 708 flow [2022-11-20 10:30:31,113 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=708, PETRI_PLACES=355, PETRI_TRANSITIONS=349} [2022-11-20 10:30:31,117 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -93 predicate places. [2022-11-20 10:30:31,118 INFO L495 AbstractCegarLoop]: Abstraction has has 355 places, 349 transitions, 708 flow [2022-11-20 10:30:31,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states 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 10:30:31,119 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:31,119 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] [2022-11-20 10:30:31,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:30:31,120 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:31,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:31,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1255377645, now seen corresponding path program 1 times [2022-11-20 10:30:31,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:31,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027327194] [2022-11-20 10:30:31,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:31,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:31,278 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 10:30:31,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:31,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027327194] [2022-11-20 10:30:31,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027327194] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:31,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:31,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:31,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122637269] [2022-11-20 10:30:31,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:31,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:31,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:31,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:31,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:31,286 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 479 [2022-11-20 10:30:31,287 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 349 transitions, 708 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states 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 10:30:31,288 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:31,288 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 479 [2022-11-20 10:30:31,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:31,514 INFO L130 PetriNetUnfolder]: 66/432 cut-off events. [2022-11-20 10:30:31,514 INFO L131 PetriNetUnfolder]: For 7/19 co-relation queries the response was YES. [2022-11-20 10:30:31,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 556 conditions, 432 events. 66/432 cut-off events. For 7/19 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 521 event pairs, 31 based on Foata normal form. 0/390 useless extension candidates. Maximal degree in co-relation 515. Up to 105 conditions per place. [2022-11-20 10:30:31,517 INFO L137 encePairwiseOnDemand]: 476/479 looper letters, 20 selfloop transitions, 2 changer transitions 0/348 dead transitions. [2022-11-20 10:30:31,517 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 348 transitions, 750 flow [2022-11-20 10:30:31,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:31,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:31,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1085 transitions. [2022-11-20 10:30:31,521 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7550452331245651 [2022-11-20 10:30:31,521 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1085 transitions. [2022-11-20 10:30:31,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1085 transitions. [2022-11-20 10:30:31,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:31,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1085 transitions. [2022-11-20 10:30:31,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 361.6666666666667) internal successors, (1085), 3 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states 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 10:30:31,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:31,529 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:31,529 INFO L175 Difference]: Start difference. First operand has 355 places, 349 transitions, 708 flow. Second operand 3 states and 1085 transitions. [2022-11-20 10:30:31,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 348 transitions, 750 flow [2022-11-20 10:30:31,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 348 transitions, 746 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:31,537 INFO L231 Difference]: Finished difference. Result has 348 places, 348 transitions, 706 flow [2022-11-20 10:30:31,538 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=706, PETRI_PLACES=348, PETRI_TRANSITIONS=348} [2022-11-20 10:30:31,538 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -100 predicate places. [2022-11-20 10:30:31,539 INFO L495 AbstractCegarLoop]: Abstraction has has 348 places, 348 transitions, 706 flow [2022-11-20 10:30:31,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states 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 10:30:31,540 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:31,540 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] [2022-11-20 10:30:31,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:30:31,541 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:31,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:31,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1225050503, now seen corresponding path program 1 times [2022-11-20 10:30:31,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:31,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297549568] [2022-11-20 10:30:31,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:31,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:31,593 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 10:30:31,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:31,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297549568] [2022-11-20 10:30:31,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297549568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:31,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:31,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:31,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743761319] [2022-11-20 10:30:31,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:31,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:31,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:31,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:31,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:31,598 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 479 [2022-11-20 10:30:31,599 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 348 transitions, 706 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states 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 10:30:31,600 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:31,600 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 479 [2022-11-20 10:30:31,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:31,851 INFO L130 PetriNetUnfolder]: 66/431 cut-off events. [2022-11-20 10:30:31,852 INFO L131 PetriNetUnfolder]: For 7/19 co-relation queries the response was YES. [2022-11-20 10:30:31,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 555 conditions, 431 events. 66/431 cut-off events. For 7/19 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 523 event pairs, 31 based on Foata normal form. 0/390 useless extension candidates. Maximal degree in co-relation 507. Up to 105 conditions per place. [2022-11-20 10:30:31,854 INFO L137 encePairwiseOnDemand]: 476/479 looper letters, 20 selfloop transitions, 2 changer transitions 0/347 dead transitions. [2022-11-20 10:30:31,854 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 347 transitions, 748 flow [2022-11-20 10:30:31,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:31,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:31,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1085 transitions. [2022-11-20 10:30:31,857 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7550452331245651 [2022-11-20 10:30:31,857 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1085 transitions. [2022-11-20 10:30:31,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1085 transitions. [2022-11-20 10:30:31,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:31,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1085 transitions. [2022-11-20 10:30:31,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 361.6666666666667) internal successors, (1085), 3 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states 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 10:30:31,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:31,865 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:31,865 INFO L175 Difference]: Start difference. First operand has 348 places, 348 transitions, 706 flow. Second operand 3 states and 1085 transitions. [2022-11-20 10:30:31,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 347 transitions, 748 flow [2022-11-20 10:30:31,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 347 transitions, 744 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:31,872 INFO L231 Difference]: Finished difference. Result has 347 places, 347 transitions, 704 flow [2022-11-20 10:30:31,873 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=704, PETRI_PLACES=347, PETRI_TRANSITIONS=347} [2022-11-20 10:30:31,874 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -101 predicate places. [2022-11-20 10:30:31,874 INFO L495 AbstractCegarLoop]: Abstraction has has 347 places, 347 transitions, 704 flow [2022-11-20 10:30:31,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states 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 10:30:31,875 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:31,875 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] [2022-11-20 10:30:31,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:30:31,875 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:31,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:31,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1126040281, now seen corresponding path program 1 times [2022-11-20 10:30:31,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:31,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323825946] [2022-11-20 10:30:31,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:31,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:31,923 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 10:30:31,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:31,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323825946] [2022-11-20 10:30:31,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323825946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:31,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:31,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:31,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367114079] [2022-11-20 10:30:31,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:31,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:31,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:31,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:31,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:31,927 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-11-20 10:30:31,928 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 347 transitions, 704 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:31,929 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:31,929 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-11-20 10:30:31,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:32,252 INFO L130 PetriNetUnfolder]: 89/558 cut-off events. [2022-11-20 10:30:32,253 INFO L131 PetriNetUnfolder]: For 15/33 co-relation queries the response was YES. [2022-11-20 10:30:32,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 718 conditions, 558 events. 89/558 cut-off events. For 15/33 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1192 event pairs, 38 based on Foata normal form. 0/498 useless extension candidates. Maximal degree in co-relation 662. Up to 107 conditions per place. [2022-11-20 10:30:32,256 INFO L137 encePairwiseOnDemand]: 476/479 looper letters, 26 selfloop transitions, 2 changer transitions 0/356 dead transitions. [2022-11-20 10:30:32,256 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 356 transitions, 783 flow [2022-11-20 10:30:32,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:32,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:32,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1100 transitions. [2022-11-20 10:30:32,259 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7654836464857342 [2022-11-20 10:30:32,259 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1100 transitions. [2022-11-20 10:30:32,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1100 transitions. [2022-11-20 10:30:32,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:32,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1100 transitions. [2022-11-20 10:30:32,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 366.6666666666667) internal successors, (1100), 3 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states 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 10:30:32,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:32,267 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:32,268 INFO L175 Difference]: Start difference. First operand has 347 places, 347 transitions, 704 flow. Second operand 3 states and 1100 transitions. [2022-11-20 10:30:32,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 356 transitions, 783 flow [2022-11-20 10:30:32,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 356 transitions, 779 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:32,274 INFO L231 Difference]: Finished difference. Result has 347 places, 347 transitions, 708 flow [2022-11-20 10:30:32,275 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=698, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=708, PETRI_PLACES=347, PETRI_TRANSITIONS=347} [2022-11-20 10:30:32,276 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -101 predicate places. [2022-11-20 10:30:32,276 INFO L495 AbstractCegarLoop]: Abstraction has has 347 places, 347 transitions, 708 flow [2022-11-20 10:30:32,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:32,277 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:32,277 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:32,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:30:32,278 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:32,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:32,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1338429894, now seen corresponding path program 1 times [2022-11-20 10:30:32,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:32,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786341483] [2022-11-20 10:30:32,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:32,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:32,324 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 10:30:32,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:32,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786341483] [2022-11-20 10:30:32,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786341483] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:32,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:32,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:32,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058025370] [2022-11-20 10:30:32,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:32,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:32,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:32,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:32,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:32,328 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-11-20 10:30:32,329 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 347 transitions, 708 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:32,329 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:32,330 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-11-20 10:30:32,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:32,600 INFO L130 PetriNetUnfolder]: 89/531 cut-off events. [2022-11-20 10:30:32,601 INFO L131 PetriNetUnfolder]: For 29/44 co-relation queries the response was YES. [2022-11-20 10:30:32,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 713 conditions, 531 events. 89/531 cut-off events. For 29/44 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1031 event pairs, 44 based on Foata normal form. 0/481 useless extension candidates. Maximal degree in co-relation 351. Up to 139 conditions per place. [2022-11-20 10:30:32,604 INFO L137 encePairwiseOnDemand]: 476/479 looper letters, 18 selfloop transitions, 2 changer transitions 0/346 dead transitions. [2022-11-20 10:30:32,604 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 346 transitions, 746 flow [2022-11-20 10:30:32,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:32,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:32,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1091 transitions. [2022-11-20 10:30:32,608 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7592205984690327 [2022-11-20 10:30:32,608 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1091 transitions. [2022-11-20 10:30:32,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1091 transitions. [2022-11-20 10:30:32,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:32,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1091 transitions. [2022-11-20 10:30:32,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.6666666666667) internal successors, (1091), 3 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states 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 10:30:32,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:32,617 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:32,618 INFO L175 Difference]: Start difference. First operand has 347 places, 347 transitions, 708 flow. Second operand 3 states and 1091 transitions. [2022-11-20 10:30:32,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 346 transitions, 746 flow [2022-11-20 10:30:32,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 346 transitions, 744 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:30:32,626 INFO L231 Difference]: Finished difference. Result has 347 places, 346 transitions, 708 flow [2022-11-20 10:30:32,626 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=704, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=708, PETRI_PLACES=347, PETRI_TRANSITIONS=346} [2022-11-20 10:30:32,627 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -101 predicate places. [2022-11-20 10:30:32,627 INFO L495 AbstractCegarLoop]: Abstraction has has 347 places, 346 transitions, 708 flow [2022-11-20 10:30:32,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:32,628 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:32,629 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 10:30:32,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:30:32,629 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:32,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:32,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1313483225, now seen corresponding path program 1 times [2022-11-20 10:30:32,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:32,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252261155] [2022-11-20 10:30:32,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:32,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:32,700 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 10:30:32,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:32,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252261155] [2022-11-20 10:30:32,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252261155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:32,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:32,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:32,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93459347] [2022-11-20 10:30:32,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:32,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:32,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:32,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:32,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:32,705 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-11-20 10:30:32,707 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 346 transitions, 708 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:32,707 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:32,707 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-11-20 10:30:32,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:33,006 INFO L130 PetriNetUnfolder]: 89/530 cut-off events. [2022-11-20 10:30:33,006 INFO L131 PetriNetUnfolder]: For 28/43 co-relation queries the response was YES. [2022-11-20 10:30:33,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 706 conditions, 530 events. 89/530 cut-off events. For 28/43 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1039 event pairs, 44 based on Foata normal form. 0/481 useless extension candidates. Maximal degree in co-relation 641. Up to 137 conditions per place. [2022-11-20 10:30:33,010 INFO L137 encePairwiseOnDemand]: 477/479 looper letters, 18 selfloop transitions, 1 changer transitions 0/345 dead transitions. [2022-11-20 10:30:33,010 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 345 transitions, 744 flow [2022-11-20 10:30:33,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:33,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:33,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1090 transitions. [2022-11-20 10:30:33,013 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7585247042449548 [2022-11-20 10:30:33,014 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1090 transitions. [2022-11-20 10:30:33,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1090 transitions. [2022-11-20 10:30:33,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:33,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1090 transitions. [2022-11-20 10:30:33,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.3333333333333) internal successors, (1090), 3 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states 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 10:30:33,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:33,022 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:33,022 INFO L175 Difference]: Start difference. First operand has 347 places, 346 transitions, 708 flow. Second operand 3 states and 1090 transitions. [2022-11-20 10:30:33,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 345 transitions, 744 flow [2022-11-20 10:30:33,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 345 transitions, 740 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:33,029 INFO L231 Difference]: Finished difference. Result has 346 places, 345 transitions, 704 flow [2022-11-20 10:30:33,030 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=704, PETRI_PLACES=346, PETRI_TRANSITIONS=345} [2022-11-20 10:30:33,032 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -102 predicate places. [2022-11-20 10:30:33,032 INFO L495 AbstractCegarLoop]: Abstraction has has 346 places, 345 transitions, 704 flow [2022-11-20 10:30:33,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:33,034 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:33,034 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:33,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 10:30:33,035 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:33,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:33,035 INFO L85 PathProgramCache]: Analyzing trace with hash 725335898, now seen corresponding path program 1 times [2022-11-20 10:30:33,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:33,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765101965] [2022-11-20 10:30:33,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:33,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:33,150 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 10:30:33,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:33,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765101965] [2022-11-20 10:30:33,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765101965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:33,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:33,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:33,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36359138] [2022-11-20 10:30:33,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:33,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:33,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:33,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:33,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:33,154 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-11-20 10:30:33,156 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 345 transitions, 704 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:33,156 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:33,156 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-11-20 10:30:33,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:33,398 INFO L130 PetriNetUnfolder]: 89/529 cut-off events. [2022-11-20 10:30:33,399 INFO L131 PetriNetUnfolder]: For 28/43 co-relation queries the response was YES. [2022-11-20 10:30:33,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 705 conditions, 529 events. 89/529 cut-off events. For 28/43 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1034 event pairs, 44 based on Foata normal form. 0/481 useless extension candidates. Maximal degree in co-relation 641. Up to 139 conditions per place. [2022-11-20 10:30:33,402 INFO L137 encePairwiseOnDemand]: 476/479 looper letters, 18 selfloop transitions, 2 changer transitions 0/344 dead transitions. [2022-11-20 10:30:33,402 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 344 transitions, 742 flow [2022-11-20 10:30:33,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:33,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:33,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1091 transitions. [2022-11-20 10:30:33,405 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7592205984690327 [2022-11-20 10:30:33,405 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1091 transitions. [2022-11-20 10:30:33,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1091 transitions. [2022-11-20 10:30:33,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:33,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1091 transitions. [2022-11-20 10:30:33,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.6666666666667) internal successors, (1091), 3 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states 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 10:30:33,412 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:33,412 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:33,413 INFO L175 Difference]: Start difference. First operand has 346 places, 345 transitions, 704 flow. Second operand 3 states and 1091 transitions. [2022-11-20 10:30:33,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 344 transitions, 742 flow [2022-11-20 10:30:33,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 344 transitions, 741 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:30:33,419 INFO L231 Difference]: Finished difference. Result has 346 places, 344 transitions, 705 flow [2022-11-20 10:30:33,420 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=701, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=705, PETRI_PLACES=346, PETRI_TRANSITIONS=344} [2022-11-20 10:30:33,421 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -102 predicate places. [2022-11-20 10:30:33,421 INFO L495 AbstractCegarLoop]: Abstraction has has 346 places, 344 transitions, 705 flow [2022-11-20 10:30:33,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:33,422 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:33,422 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] [2022-11-20 10:30:33,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 10:30:33,422 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:33,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:33,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1967496559, now seen corresponding path program 1 times [2022-11-20 10:30:33,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:33,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97108548] [2022-11-20 10:30:33,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:33,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:33,935 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 10:30:33,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:33,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97108548] [2022-11-20 10:30:33,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97108548] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:33,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:33,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:30:33,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696509485] [2022-11-20 10:30:33,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:33,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:30:33,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:33,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:30:33,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:30:33,939 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 479 [2022-11-20 10:30:33,941 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 344 transitions, 705 flow. Second operand has 6 states, 6 states have (on average 295.8333333333333) internal successors, (1775), 6 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states 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 10:30:33,941 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:33,942 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 479 [2022-11-20 10:30:33,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:34,854 INFO L130 PetriNetUnfolder]: 569/1174 cut-off events. [2022-11-20 10:30:34,855 INFO L131 PetriNetUnfolder]: For 62/62 co-relation queries the response was YES. [2022-11-20 10:30:34,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2115 conditions, 1174 events. 569/1174 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3654 event pairs, 320 based on Foata normal form. 0/1106 useless extension candidates. Maximal degree in co-relation 2052. Up to 841 conditions per place. [2022-11-20 10:30:34,863 INFO L137 encePairwiseOnDemand]: 461/479 looper letters, 66 selfloop transitions, 15 changer transitions 0/341 dead transitions. [2022-11-20 10:30:34,863 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 341 transitions, 861 flow [2022-11-20 10:30:34,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:30:34,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:30:34,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1847 transitions. [2022-11-20 10:30:34,869 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6426583159359778 [2022-11-20 10:30:34,873 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1847 transitions. [2022-11-20 10:30:34,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1847 transitions. [2022-11-20 10:30:34,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:34,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1847 transitions. [2022-11-20 10:30:34,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 307.8333333333333) internal successors, (1847), 6 states have internal predecessors, (1847), 0 states have call successors, (0), 0 states 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 10:30:34,885 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states 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 10:30:34,886 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states 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 10:30:34,886 INFO L175 Difference]: Start difference. First operand has 346 places, 344 transitions, 705 flow. Second operand 6 states and 1847 transitions. [2022-11-20 10:30:34,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 341 transitions, 861 flow [2022-11-20 10:30:34,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 341 transitions, 857 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:34,894 INFO L231 Difference]: Finished difference. Result has 346 places, 341 transitions, 725 flow [2022-11-20 10:30:34,895 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=695, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=725, PETRI_PLACES=346, PETRI_TRANSITIONS=341} [2022-11-20 10:30:34,898 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -102 predicate places. [2022-11-20 10:30:34,899 INFO L495 AbstractCegarLoop]: Abstraction has has 346 places, 341 transitions, 725 flow [2022-11-20 10:30:34,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 295.8333333333333) internal successors, (1775), 6 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states 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 10:30:34,900 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:34,900 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] [2022-11-20 10:30:34,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 10:30:34,901 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:34,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:34,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1775996735, now seen corresponding path program 1 times [2022-11-20 10:30:34,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:34,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623099877] [2022-11-20 10:30:34,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:34,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:34,968 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 10:30:34,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:34,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623099877] [2022-11-20 10:30:34,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623099877] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:34,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:34,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:34,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530010458] [2022-11-20 10:30:34,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:34,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:34,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:34,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:34,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:34,973 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 479 [2022-11-20 10:30:34,974 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 341 transitions, 725 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states 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 10:30:34,974 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:34,974 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 479 [2022-11-20 10:30:34,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:35,225 INFO L130 PetriNetUnfolder]: 89/525 cut-off events. [2022-11-20 10:30:35,225 INFO L131 PetriNetUnfolder]: For 28/43 co-relation queries the response was YES. [2022-11-20 10:30:35,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 719 conditions, 525 events. 89/525 cut-off events. For 28/43 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1022 event pairs, 44 based on Foata normal form. 0/481 useless extension candidates. Maximal degree in co-relation 670. Up to 142 conditions per place. [2022-11-20 10:30:35,229 INFO L137 encePairwiseOnDemand]: 476/479 looper letters, 21 selfloop transitions, 2 changer transitions 0/340 dead transitions. [2022-11-20 10:30:35,229 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 340 transitions, 769 flow [2022-11-20 10:30:35,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:35,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:35,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1085 transitions. [2022-11-20 10:30:35,232 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7550452331245651 [2022-11-20 10:30:35,232 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1085 transitions. [2022-11-20 10:30:35,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1085 transitions. [2022-11-20 10:30:35,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:35,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1085 transitions. [2022-11-20 10:30:35,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 361.6666666666667) internal successors, (1085), 3 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states 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 10:30:35,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:35,241 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:35,241 INFO L175 Difference]: Start difference. First operand has 346 places, 341 transitions, 725 flow. Second operand 3 states and 1085 transitions. [2022-11-20 10:30:35,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 340 transitions, 769 flow [2022-11-20 10:30:35,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 340 transitions, 739 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-20 10:30:35,248 INFO L231 Difference]: Finished difference. Result has 342 places, 340 transitions, 697 flow [2022-11-20 10:30:35,249 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=697, PETRI_PLACES=342, PETRI_TRANSITIONS=340} [2022-11-20 10:30:35,250 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -106 predicate places. [2022-11-20 10:30:35,250 INFO L495 AbstractCegarLoop]: Abstraction has has 342 places, 340 transitions, 697 flow [2022-11-20 10:30:35,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states 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 10:30:35,259 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:35,260 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 10:30:35,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 10:30:35,260 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:35,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:35,260 INFO L85 PathProgramCache]: Analyzing trace with hash -354326769, now seen corresponding path program 1 times [2022-11-20 10:30:35,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:35,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73287380] [2022-11-20 10:30:35,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:35,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:35,315 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 10:30:35,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:35,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73287380] [2022-11-20 10:30:35,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73287380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:35,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:35,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:35,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006947593] [2022-11-20 10:30:35,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:35,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:35,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:35,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:35,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:35,324 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-11-20 10:30:35,326 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 340 transitions, 697 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:35,326 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:35,326 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-11-20 10:30:35,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:35,695 INFO L130 PetriNetUnfolder]: 149/740 cut-off events. [2022-11-20 10:30:35,695 INFO L131 PetriNetUnfolder]: For 51/70 co-relation queries the response was YES. [2022-11-20 10:30:35,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1019 conditions, 740 events. 149/740 cut-off events. For 51/70 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2417 event pairs, 50 based on Foata normal form. 0/676 useless extension candidates. Maximal degree in co-relation 956. Up to 121 conditions per place. [2022-11-20 10:30:35,700 INFO L137 encePairwiseOnDemand]: 476/479 looper letters, 29 selfloop transitions, 2 changer transitions 0/351 dead transitions. [2022-11-20 10:30:35,700 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 351 transitions, 788 flow [2022-11-20 10:30:35,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:35,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:35,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1101 transitions. [2022-11-20 10:30:35,704 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7661795407098121 [2022-11-20 10:30:35,704 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1101 transitions. [2022-11-20 10:30:35,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1101 transitions. [2022-11-20 10:30:35,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:35,705 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1101 transitions. [2022-11-20 10:30:35,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 367.0) internal successors, (1101), 3 states have internal predecessors, (1101), 0 states have call successors, (0), 0 states 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 10:30:35,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:35,710 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:35,710 INFO L175 Difference]: Start difference. First operand has 342 places, 340 transitions, 697 flow. Second operand 3 states and 1101 transitions. [2022-11-20 10:30:35,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 351 transitions, 788 flow [2022-11-20 10:30:35,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 351 transitions, 784 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:35,717 INFO L231 Difference]: Finished difference. Result has 342 places, 340 transitions, 701 flow [2022-11-20 10:30:35,718 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=691, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=701, PETRI_PLACES=342, PETRI_TRANSITIONS=340} [2022-11-20 10:30:35,718 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -106 predicate places. [2022-11-20 10:30:35,718 INFO L495 AbstractCegarLoop]: Abstraction has has 342 places, 340 transitions, 701 flow [2022-11-20 10:30:35,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:35,719 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:35,719 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 10:30:35,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 10:30:35,720 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:35,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:35,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1115377268, now seen corresponding path program 1 times [2022-11-20 10:30:35,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:35,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630704859] [2022-11-20 10:30:35,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:35,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:35,760 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 10:30:35,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:35,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630704859] [2022-11-20 10:30:35,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630704859] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:35,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:35,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:35,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692946775] [2022-11-20 10:30:35,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:35,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:35,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:35,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:35,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:35,764 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-11-20 10:30:35,765 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 340 transitions, 701 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:35,765 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:35,766 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-11-20 10:30:35,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:36,107 INFO L130 PetriNetUnfolder]: 149/719 cut-off events. [2022-11-20 10:30:36,107 INFO L131 PetriNetUnfolder]: For 63/87 co-relation queries the response was YES. [2022-11-20 10:30:36,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1047 conditions, 719 events. 149/719 cut-off events. For 63/87 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2327 event pairs, 86 based on Foata normal form. 0/652 useless extension candidates. Maximal degree in co-relation 982. Up to 233 conditions per place. [2022-11-20 10:30:36,112 INFO L137 encePairwiseOnDemand]: 476/479 looper letters, 19 selfloop transitions, 2 changer transitions 0/339 dead transitions. [2022-11-20 10:30:36,112 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 339 transitions, 741 flow [2022-11-20 10:30:36,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:36,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:36,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1091 transitions. [2022-11-20 10:30:36,115 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7592205984690327 [2022-11-20 10:30:36,116 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1091 transitions. [2022-11-20 10:30:36,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1091 transitions. [2022-11-20 10:30:36,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:36,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1091 transitions. [2022-11-20 10:30:36,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.6666666666667) internal successors, (1091), 3 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states 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 10:30:36,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:36,122 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:36,123 INFO L175 Difference]: Start difference. First operand has 342 places, 340 transitions, 701 flow. Second operand 3 states and 1091 transitions. [2022-11-20 10:30:36,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 339 transitions, 741 flow [2022-11-20 10:30:36,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 339 transitions, 739 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:30:36,129 INFO L231 Difference]: Finished difference. Result has 342 places, 339 transitions, 701 flow [2022-11-20 10:30:36,130 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=697, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=701, PETRI_PLACES=342, PETRI_TRANSITIONS=339} [2022-11-20 10:30:36,130 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -106 predicate places. [2022-11-20 10:30:36,130 INFO L495 AbstractCegarLoop]: Abstraction has has 342 places, 339 transitions, 701 flow [2022-11-20 10:30:36,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:36,131 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:36,131 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 10:30:36,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 10:30:36,132 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:36,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:36,132 INFO L85 PathProgramCache]: Analyzing trace with hash -2138874536, now seen corresponding path program 1 times [2022-11-20 10:30:36,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:36,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072902570] [2022-11-20 10:30:36,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:36,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:36,173 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 10:30:36,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:36,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072902570] [2022-11-20 10:30:36,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072902570] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:36,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:36,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:36,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740356838] [2022-11-20 10:30:36,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:36,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:36,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:36,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:36,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:36,177 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 479 [2022-11-20 10:30:36,179 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 339 transitions, 701 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states 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 10:30:36,179 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:36,179 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 479 [2022-11-20 10:30:36,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:36,526 INFO L130 PetriNetUnfolder]: 149/718 cut-off events. [2022-11-20 10:30:36,527 INFO L131 PetriNetUnfolder]: For 62/86 co-relation queries the response was YES. [2022-11-20 10:30:36,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1035 conditions, 718 events. 149/718 cut-off events. For 62/86 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2331 event pairs, 86 based on Foata normal form. 0/652 useless extension candidates. Maximal degree in co-relation 970. Up to 236 conditions per place. [2022-11-20 10:30:36,531 INFO L137 encePairwiseOnDemand]: 476/479 looper letters, 22 selfloop transitions, 2 changer transitions 0/338 dead transitions. [2022-11-20 10:30:36,531 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 338 transitions, 747 flow [2022-11-20 10:30:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:36,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:36,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1085 transitions. [2022-11-20 10:30:36,534 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7550452331245651 [2022-11-20 10:30:36,534 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1085 transitions. [2022-11-20 10:30:36,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1085 transitions. [2022-11-20 10:30:36,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:36,535 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1085 transitions. [2022-11-20 10:30:36,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 361.6666666666667) internal successors, (1085), 3 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states 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 10:30:36,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:36,540 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:36,541 INFO L175 Difference]: Start difference. First operand has 342 places, 339 transitions, 701 flow. Second operand 3 states and 1085 transitions. [2022-11-20 10:30:36,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 338 transitions, 747 flow [2022-11-20 10:30:36,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 338 transitions, 743 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:36,547 INFO L231 Difference]: Finished difference. Result has 341 places, 338 transitions, 699 flow [2022-11-20 10:30:36,547 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=695, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=699, PETRI_PLACES=341, PETRI_TRANSITIONS=338} [2022-11-20 10:30:36,548 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -107 predicate places. [2022-11-20 10:30:36,548 INFO L495 AbstractCegarLoop]: Abstraction has has 341 places, 338 transitions, 699 flow [2022-11-20 10:30:36,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states 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 10:30:36,549 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:36,549 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] [2022-11-20 10:30:36,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 10:30:36,549 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:36,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:36,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1368554899, now seen corresponding path program 1 times [2022-11-20 10:30:36,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:36,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390754681] [2022-11-20 10:30:36,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:36,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:36,589 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 10:30:36,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:36,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390754681] [2022-11-20 10:30:36,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390754681] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:36,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:36,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:36,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457935022] [2022-11-20 10:30:36,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:36,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:36,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:36,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:36,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:36,593 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-11-20 10:30:36,595 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 338 transitions, 699 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:36,595 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:36,595 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-11-20 10:30:36,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:36,899 INFO L130 PetriNetUnfolder]: 149/717 cut-off events. [2022-11-20 10:30:36,900 INFO L131 PetriNetUnfolder]: For 63/87 co-relation queries the response was YES. [2022-11-20 10:30:36,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1030 conditions, 717 events. 149/717 cut-off events. For 63/87 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2311 event pairs, 86 based on Foata normal form. 0/652 useless extension candidates. Maximal degree in co-relation 966. Up to 231 conditions per place. [2022-11-20 10:30:36,905 INFO L137 encePairwiseOnDemand]: 477/479 looper letters, 19 selfloop transitions, 1 changer transitions 0/337 dead transitions. [2022-11-20 10:30:36,905 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 337 transitions, 737 flow [2022-11-20 10:30:36,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:36,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:36,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1090 transitions. [2022-11-20 10:30:36,908 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7585247042449548 [2022-11-20 10:30:36,908 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1090 transitions. [2022-11-20 10:30:36,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1090 transitions. [2022-11-20 10:30:36,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:36,909 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1090 transitions. [2022-11-20 10:30:36,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.3333333333333) internal successors, (1090), 3 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states 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 10:30:36,914 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:36,915 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:36,915 INFO L175 Difference]: Start difference. First operand has 341 places, 338 transitions, 699 flow. Second operand 3 states and 1090 transitions. [2022-11-20 10:30:36,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 337 transitions, 737 flow [2022-11-20 10:30:36,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 337 transitions, 733 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:36,921 INFO L231 Difference]: Finished difference. Result has 340 places, 337 transitions, 695 flow [2022-11-20 10:30:36,922 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=695, PETRI_PLACES=340, PETRI_TRANSITIONS=337} [2022-11-20 10:30:36,922 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -108 predicate places. [2022-11-20 10:30:36,923 INFO L495 AbstractCegarLoop]: Abstraction has has 340 places, 337 transitions, 695 flow [2022-11-20 10:30:36,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:36,923 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:36,924 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] [2022-11-20 10:30:36,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 10:30:36,924 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:36,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:36,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1519574607, now seen corresponding path program 1 times [2022-11-20 10:30:36,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:36,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101004434] [2022-11-20 10:30:36,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:36,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:36,976 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 10:30:36,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:36,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101004434] [2022-11-20 10:30:36,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101004434] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:36,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:36,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:36,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919302764] [2022-11-20 10:30:36,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:36,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:36,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:36,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:36,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:36,979 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-11-20 10:30:36,981 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 337 transitions, 695 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:36,981 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:36,981 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-11-20 10:30:36,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:37,406 INFO L130 PetriNetUnfolder]: 149/716 cut-off events. [2022-11-20 10:30:37,407 INFO L131 PetriNetUnfolder]: For 62/86 co-relation queries the response was YES. [2022-11-20 10:30:37,409 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1029 conditions, 716 events. 149/716 cut-off events. For 62/86 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2311 event pairs, 86 based on Foata normal form. 0/652 useless extension candidates. Maximal degree in co-relation 964. Up to 233 conditions per place. [2022-11-20 10:30:37,412 INFO L137 encePairwiseOnDemand]: 476/479 looper letters, 19 selfloop transitions, 2 changer transitions 0/336 dead transitions. [2022-11-20 10:30:37,412 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 336 transitions, 735 flow [2022-11-20 10:30:37,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:37,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:37,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1091 transitions. [2022-11-20 10:30:37,416 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7592205984690327 [2022-11-20 10:30:37,416 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1091 transitions. [2022-11-20 10:30:37,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1091 transitions. [2022-11-20 10:30:37,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:37,417 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1091 transitions. [2022-11-20 10:30:37,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.6666666666667) internal successors, (1091), 3 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states 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 10:30:37,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:37,423 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:37,424 INFO L175 Difference]: Start difference. First operand has 340 places, 337 transitions, 695 flow. Second operand 3 states and 1091 transitions. [2022-11-20 10:30:37,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 336 transitions, 735 flow [2022-11-20 10:30:37,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 336 transitions, 734 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:30:37,431 INFO L231 Difference]: Finished difference. Result has 340 places, 336 transitions, 696 flow [2022-11-20 10:30:37,432 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=692, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=696, PETRI_PLACES=340, PETRI_TRANSITIONS=336} [2022-11-20 10:30:37,432 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -108 predicate places. [2022-11-20 10:30:37,433 INFO L495 AbstractCegarLoop]: Abstraction has has 340 places, 336 transitions, 696 flow [2022-11-20 10:30:37,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:37,433 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:37,434 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] [2022-11-20 10:30:37,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 10:30:37,434 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:37,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:37,435 INFO L85 PathProgramCache]: Analyzing trace with hash 721343885, now seen corresponding path program 1 times [2022-11-20 10:30:37,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:37,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116167014] [2022-11-20 10:30:37,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:37,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:37,494 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 10:30:37,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:37,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116167014] [2022-11-20 10:30:37,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116167014] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:37,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:37,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:37,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798235772] [2022-11-20 10:30:37,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:37,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:37,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:37,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:37,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:37,498 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 479 [2022-11-20 10:30:37,499 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 336 transitions, 696 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states 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 10:30:37,499 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:37,499 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 479 [2022-11-20 10:30:37,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:37,835 INFO L130 PetriNetUnfolder]: 149/715 cut-off events. [2022-11-20 10:30:37,835 INFO L131 PetriNetUnfolder]: For 62/86 co-relation queries the response was YES. [2022-11-20 10:30:37,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1033 conditions, 715 events. 149/715 cut-off events. For 62/86 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2329 event pairs, 86 based on Foata normal form. 0/652 useless extension candidates. Maximal degree in co-relation 968. Up to 236 conditions per place. [2022-11-20 10:30:37,839 INFO L137 encePairwiseOnDemand]: 476/479 looper letters, 22 selfloop transitions, 2 changer transitions 0/335 dead transitions. [2022-11-20 10:30:37,840 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 335 transitions, 742 flow [2022-11-20 10:30:37,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:37,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:37,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1085 transitions. [2022-11-20 10:30:37,843 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7550452331245651 [2022-11-20 10:30:37,843 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1085 transitions. [2022-11-20 10:30:37,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1085 transitions. [2022-11-20 10:30:37,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:37,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1085 transitions. [2022-11-20 10:30:37,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 361.6666666666667) internal successors, (1085), 3 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states 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 10:30:37,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:37,849 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:37,849 INFO L175 Difference]: Start difference. First operand has 340 places, 336 transitions, 696 flow. Second operand 3 states and 1085 transitions. [2022-11-20 10:30:37,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 335 transitions, 742 flow [2022-11-20 10:30:37,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 335 transitions, 738 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:37,855 INFO L231 Difference]: Finished difference. Result has 339 places, 335 transitions, 694 flow [2022-11-20 10:30:37,856 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=690, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=694, PETRI_PLACES=339, PETRI_TRANSITIONS=335} [2022-11-20 10:30:37,856 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -109 predicate places. [2022-11-20 10:30:37,856 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 335 transitions, 694 flow [2022-11-20 10:30:37,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states 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 10:30:37,857 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:37,857 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] [2022-11-20 10:30:37,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 10:30:37,858 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:37,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:37,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1092579755, now seen corresponding path program 1 times [2022-11-20 10:30:37,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:37,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223508605] [2022-11-20 10:30:37,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:37,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:37,912 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 10:30:37,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:37,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223508605] [2022-11-20 10:30:37,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223508605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:37,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:37,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:37,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388005861] [2022-11-20 10:30:37,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:37,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:37,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:37,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:37,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:37,915 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-11-20 10:30:37,916 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 335 transitions, 694 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:37,916 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:37,916 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-11-20 10:30:37,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:38,352 INFO L130 PetriNetUnfolder]: 223/1059 cut-off events. [2022-11-20 10:30:38,352 INFO L131 PetriNetUnfolder]: For 119/150 co-relation queries the response was YES. [2022-11-20 10:30:38,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1525 conditions, 1059 events. 223/1059 cut-off events. For 119/150 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 4923 event pairs, 32 based on Foata normal form. 3/967 useless extension candidates. Maximal degree in co-relation 1461. Up to 254 conditions per place. [2022-11-20 10:30:38,360 INFO L137 encePairwiseOnDemand]: 476/479 looper letters, 31 selfloop transitions, 2 changer transitions 0/347 dead transitions. [2022-11-20 10:30:38,360 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 347 transitions, 796 flow [2022-11-20 10:30:38,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:38,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:38,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1101 transitions. [2022-11-20 10:30:38,363 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7661795407098121 [2022-11-20 10:30:38,363 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1101 transitions. [2022-11-20 10:30:38,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1101 transitions. [2022-11-20 10:30:38,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:38,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1101 transitions. [2022-11-20 10:30:38,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 367.0) internal successors, (1101), 3 states have internal predecessors, (1101), 0 states have call successors, (0), 0 states 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 10:30:38,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:38,369 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:38,370 INFO L175 Difference]: Start difference. First operand has 339 places, 335 transitions, 694 flow. Second operand 3 states and 1101 transitions. [2022-11-20 10:30:38,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 347 transitions, 796 flow [2022-11-20 10:30:38,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 347 transitions, 792 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:38,376 INFO L231 Difference]: Finished difference. Result has 339 places, 335 transitions, 698 flow [2022-11-20 10:30:38,377 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=688, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=698, PETRI_PLACES=339, PETRI_TRANSITIONS=335} [2022-11-20 10:30:38,377 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -109 predicate places. [2022-11-20 10:30:38,377 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 335 transitions, 698 flow [2022-11-20 10:30:38,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:38,378 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:38,378 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] [2022-11-20 10:30:38,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 10:30:38,379 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:38,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:38,379 INFO L85 PathProgramCache]: Analyzing trace with hash -552934032, now seen corresponding path program 1 times [2022-11-20 10:30:38,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:38,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985732458] [2022-11-20 10:30:38,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:38,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:38,435 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 10:30:38,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:38,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985732458] [2022-11-20 10:30:38,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985732458] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:38,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:38,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:38,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998708073] [2022-11-20 10:30:38,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:38,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:38,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:38,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:38,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:38,439 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-11-20 10:30:38,440 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 335 transitions, 698 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:38,440 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:38,440 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-11-20 10:30:38,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:38,906 INFO L130 PetriNetUnfolder]: 223/1030 cut-off events. [2022-11-20 10:30:38,907 INFO L131 PetriNetUnfolder]: For 166/202 co-relation queries the response was YES. [2022-11-20 10:30:38,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1596 conditions, 1030 events. 223/1030 cut-off events. For 166/202 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4865 event pairs, 146 based on Foata normal form. 0/926 useless extension candidates. Maximal degree in co-relation 1530. Up to 352 conditions per place. [2022-11-20 10:30:38,915 INFO L137 encePairwiseOnDemand]: 476/479 looper letters, 20 selfloop transitions, 2 changer transitions 0/334 dead transitions. [2022-11-20 10:30:38,915 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 334 transitions, 740 flow [2022-11-20 10:30:38,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:38,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:38,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1091 transitions. [2022-11-20 10:30:38,918 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7592205984690327 [2022-11-20 10:30:38,918 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1091 transitions. [2022-11-20 10:30:38,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1091 transitions. [2022-11-20 10:30:38,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:38,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1091 transitions. [2022-11-20 10:30:38,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.6666666666667) internal successors, (1091), 3 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states 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 10:30:38,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:38,925 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:38,925 INFO L175 Difference]: Start difference. First operand has 339 places, 335 transitions, 698 flow. Second operand 3 states and 1091 transitions. [2022-11-20 10:30:38,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 334 transitions, 740 flow [2022-11-20 10:30:38,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 334 transitions, 738 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:30:38,931 INFO L231 Difference]: Finished difference. Result has 339 places, 334 transitions, 698 flow [2022-11-20 10:30:38,932 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=694, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=698, PETRI_PLACES=339, PETRI_TRANSITIONS=334} [2022-11-20 10:30:38,932 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -109 predicate places. [2022-11-20 10:30:38,932 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 334 transitions, 698 flow [2022-11-20 10:30:38,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:38,933 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:38,933 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] [2022-11-20 10:30:38,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 10:30:38,934 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:38,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:38,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1050772823, now seen corresponding path program 1 times [2022-11-20 10:30:38,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:38,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720201916] [2022-11-20 10:30:38,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:38,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:38,994 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 10:30:38,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:38,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720201916] [2022-11-20 10:30:38,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720201916] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:38,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:38,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:38,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995923501] [2022-11-20 10:30:38,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:38,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:38,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:38,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:38,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:38,999 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 479 [2022-11-20 10:30:39,001 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 334 transitions, 698 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states 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 10:30:39,001 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:39,001 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 479 [2022-11-20 10:30:39,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:39,490 INFO L130 PetriNetUnfolder]: 223/1029 cut-off events. [2022-11-20 10:30:39,491 INFO L131 PetriNetUnfolder]: For 165/201 co-relation queries the response was YES. [2022-11-20 10:30:39,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1567 conditions, 1029 events. 223/1029 cut-off events. For 165/201 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4836 event pairs, 146 based on Foata normal form. 0/926 useless extension candidates. Maximal degree in co-relation 1501. Up to 355 conditions per place. [2022-11-20 10:30:39,501 INFO L137 encePairwiseOnDemand]: 476/479 looper letters, 23 selfloop transitions, 2 changer transitions 0/333 dead transitions. [2022-11-20 10:30:39,501 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 333 transitions, 746 flow [2022-11-20 10:30:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:39,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:39,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1085 transitions. [2022-11-20 10:30:39,505 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7550452331245651 [2022-11-20 10:30:39,505 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1085 transitions. [2022-11-20 10:30:39,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1085 transitions. [2022-11-20 10:30:39,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:39,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1085 transitions. [2022-11-20 10:30:39,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 361.6666666666667) internal successors, (1085), 3 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states 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 10:30:39,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:39,511 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:39,512 INFO L175 Difference]: Start difference. First operand has 339 places, 334 transitions, 698 flow. Second operand 3 states and 1085 transitions. [2022-11-20 10:30:39,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 333 transitions, 746 flow [2022-11-20 10:30:39,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 333 transitions, 742 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:39,518 INFO L231 Difference]: Finished difference. Result has 338 places, 333 transitions, 696 flow [2022-11-20 10:30:39,519 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=692, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=696, PETRI_PLACES=338, PETRI_TRANSITIONS=333} [2022-11-20 10:30:39,519 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -110 predicate places. [2022-11-20 10:30:39,520 INFO L495 AbstractCegarLoop]: Abstraction has has 338 places, 333 transitions, 696 flow [2022-11-20 10:30:39,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states 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 10:30:39,520 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:39,520 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] [2022-11-20 10:30:39,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 10:30:39,521 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:39,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:39,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1501112421, now seen corresponding path program 1 times [2022-11-20 10:30:39,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:39,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166965120] [2022-11-20 10:30:39,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:39,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:39,589 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 10:30:39,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:39,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166965120] [2022-11-20 10:30:39,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166965120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:39,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:39,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:39,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701423109] [2022-11-20 10:30:39,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:39,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:39,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:39,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:39,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:39,594 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-11-20 10:30:39,595 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 333 transitions, 696 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:39,596 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:39,596 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-11-20 10:30:39,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:40,148 INFO L130 PetriNetUnfolder]: 223/1028 cut-off events. [2022-11-20 10:30:40,148 INFO L131 PetriNetUnfolder]: For 166/202 co-relation queries the response was YES. [2022-11-20 10:30:40,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1562 conditions, 1028 events. 223/1028 cut-off events. For 166/202 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4846 event pairs, 146 based on Foata normal form. 0/926 useless extension candidates. Maximal degree in co-relation 1497. Up to 350 conditions per place. [2022-11-20 10:30:40,155 INFO L137 encePairwiseOnDemand]: 477/479 looper letters, 20 selfloop transitions, 1 changer transitions 0/332 dead transitions. [2022-11-20 10:30:40,155 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 332 transitions, 736 flow [2022-11-20 10:30:40,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:40,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:40,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1090 transitions. [2022-11-20 10:30:40,158 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7585247042449548 [2022-11-20 10:30:40,159 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1090 transitions. [2022-11-20 10:30:40,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1090 transitions. [2022-11-20 10:30:40,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:40,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1090 transitions. [2022-11-20 10:30:40,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.3333333333333) internal successors, (1090), 3 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states 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 10:30:40,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:40,165 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:40,165 INFO L175 Difference]: Start difference. First operand has 338 places, 333 transitions, 696 flow. Second operand 3 states and 1090 transitions. [2022-11-20 10:30:40,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 332 transitions, 736 flow [2022-11-20 10:30:40,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 332 transitions, 732 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:40,171 INFO L231 Difference]: Finished difference. Result has 337 places, 332 transitions, 692 flow [2022-11-20 10:30:40,171 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=690, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=692, PETRI_PLACES=337, PETRI_TRANSITIONS=332} [2022-11-20 10:30:40,172 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -111 predicate places. [2022-11-20 10:30:40,172 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 332 transitions, 692 flow [2022-11-20 10:30:40,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:40,173 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:40,173 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:40,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 10:30:40,174 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:40,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:40,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1481930649, now seen corresponding path program 1 times [2022-11-20 10:30:40,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:40,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737500048] [2022-11-20 10:30:40,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:40,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:40,239 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 10:30:40,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:40,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737500048] [2022-11-20 10:30:40,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737500048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:40,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:40,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:40,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091024728] [2022-11-20 10:30:40,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:40,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:40,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:40,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:40,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:40,243 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-11-20 10:30:40,244 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 332 transitions, 692 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:40,244 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:40,244 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-11-20 10:30:40,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:40,741 INFO L130 PetriNetUnfolder]: 223/1027 cut-off events. [2022-11-20 10:30:40,741 INFO L131 PetriNetUnfolder]: For 165/201 co-relation queries the response was YES. [2022-11-20 10:30:40,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1561 conditions, 1027 events. 223/1027 cut-off events. For 165/201 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4815 event pairs, 146 based on Foata normal form. 0/926 useless extension candidates. Maximal degree in co-relation 1495. Up to 352 conditions per place. [2022-11-20 10:30:40,750 INFO L137 encePairwiseOnDemand]: 476/479 looper letters, 20 selfloop transitions, 2 changer transitions 0/331 dead transitions. [2022-11-20 10:30:40,751 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 331 transitions, 734 flow [2022-11-20 10:30:40,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:40,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:40,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1091 transitions. [2022-11-20 10:30:40,754 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7592205984690327 [2022-11-20 10:30:40,754 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1091 transitions. [2022-11-20 10:30:40,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1091 transitions. [2022-11-20 10:30:40,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:40,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1091 transitions. [2022-11-20 10:30:40,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.6666666666667) internal successors, (1091), 3 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states 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 10:30:40,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:40,761 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:40,761 INFO L175 Difference]: Start difference. First operand has 337 places, 332 transitions, 692 flow. Second operand 3 states and 1091 transitions. [2022-11-20 10:30:40,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 331 transitions, 734 flow [2022-11-20 10:30:40,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 331 transitions, 733 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:30:40,767 INFO L231 Difference]: Finished difference. Result has 337 places, 331 transitions, 693 flow [2022-11-20 10:30:40,767 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=689, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=693, PETRI_PLACES=337, PETRI_TRANSITIONS=331} [2022-11-20 10:30:40,768 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -111 predicate places. [2022-11-20 10:30:40,768 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 331 transitions, 693 flow [2022-11-20 10:30:40,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:40,769 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:40,769 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:40,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-20 10:30:40,769 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:40,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:40,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1591464817, now seen corresponding path program 1 times [2022-11-20 10:30:40,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:40,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555092178] [2022-11-20 10:30:40,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:40,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:40,839 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 10:30:40,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:40,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555092178] [2022-11-20 10:30:40,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555092178] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:40,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:40,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:40,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174628589] [2022-11-20 10:30:40,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:40,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:40,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:40,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:40,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:40,843 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-11-20 10:30:40,844 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 331 transitions, 693 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:40,844 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:40,844 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-11-20 10:30:40,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:41,317 INFO L130 PetriNetUnfolder]: 223/1026 cut-off events. [2022-11-20 10:30:41,317 INFO L131 PetriNetUnfolder]: For 165/201 co-relation queries the response was YES. [2022-11-20 10:30:41,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1562 conditions, 1026 events. 223/1026 cut-off events. For 165/201 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4840 event pairs, 146 based on Foata normal form. 0/926 useless extension candidates. Maximal degree in co-relation 1496. Up to 352 conditions per place. [2022-11-20 10:30:41,325 INFO L137 encePairwiseOnDemand]: 476/479 looper letters, 20 selfloop transitions, 2 changer transitions 0/330 dead transitions. [2022-11-20 10:30:41,325 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 330 transitions, 735 flow [2022-11-20 10:30:41,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:41,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:41,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1091 transitions. [2022-11-20 10:30:41,328 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7592205984690327 [2022-11-20 10:30:41,328 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1091 transitions. [2022-11-20 10:30:41,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1091 transitions. [2022-11-20 10:30:41,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:41,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1091 transitions. [2022-11-20 10:30:41,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.6666666666667) internal successors, (1091), 3 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states 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 10:30:41,334 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:41,335 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:41,335 INFO L175 Difference]: Start difference. First operand has 337 places, 331 transitions, 693 flow. Second operand 3 states and 1091 transitions. [2022-11-20 10:30:41,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 330 transitions, 735 flow [2022-11-20 10:30:41,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 330 transitions, 731 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:41,342 INFO L231 Difference]: Finished difference. Result has 336 places, 330 transitions, 691 flow [2022-11-20 10:30:41,342 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=687, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=691, PETRI_PLACES=336, PETRI_TRANSITIONS=330} [2022-11-20 10:30:41,343 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -112 predicate places. [2022-11-20 10:30:41,343 INFO L495 AbstractCegarLoop]: Abstraction has has 336 places, 330 transitions, 691 flow [2022-11-20 10:30:41,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:41,344 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:41,344 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:30:41,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-20 10:30:41,344 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:41,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:41,345 INFO L85 PathProgramCache]: Analyzing trace with hash -2004363717, now seen corresponding path program 1 times [2022-11-20 10:30:41,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:41,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291641703] [2022-11-20 10:30:41,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:41,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:41,406 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 10:30:41,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:41,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291641703] [2022-11-20 10:30:41,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291641703] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:41,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:41,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:41,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433267551] [2022-11-20 10:30:41,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:41,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:41,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:41,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:41,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:41,410 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-11-20 10:30:41,411 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 330 transitions, 691 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:41,411 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:41,411 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-11-20 10:30:41,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:41,892 INFO L130 PetriNetUnfolder]: 223/1025 cut-off events. [2022-11-20 10:30:41,893 INFO L131 PetriNetUnfolder]: For 165/201 co-relation queries the response was YES. [2022-11-20 10:30:41,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1561 conditions, 1025 events. 223/1025 cut-off events. For 165/201 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4812 event pairs, 146 based on Foata normal form. 0/926 useless extension candidates. Maximal degree in co-relation 1495. Up to 352 conditions per place. [2022-11-20 10:30:41,900 INFO L137 encePairwiseOnDemand]: 476/479 looper letters, 20 selfloop transitions, 2 changer transitions 0/329 dead transitions. [2022-11-20 10:30:41,900 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 329 transitions, 733 flow [2022-11-20 10:30:41,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:41,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:41,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1091 transitions. [2022-11-20 10:30:41,904 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7592205984690327 [2022-11-20 10:30:41,904 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1091 transitions. [2022-11-20 10:30:41,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1091 transitions. [2022-11-20 10:30:41,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:41,905 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1091 transitions. [2022-11-20 10:30:41,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.6666666666667) internal successors, (1091), 3 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states 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 10:30:41,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:41,912 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:41,912 INFO L175 Difference]: Start difference. First operand has 336 places, 330 transitions, 691 flow. Second operand 3 states and 1091 transitions. [2022-11-20 10:30:41,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 329 transitions, 733 flow [2022-11-20 10:30:41,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 329 transitions, 729 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:41,919 INFO L231 Difference]: Finished difference. Result has 335 places, 329 transitions, 689 flow [2022-11-20 10:30:41,919 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=685, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=689, PETRI_PLACES=335, PETRI_TRANSITIONS=329} [2022-11-20 10:30:41,920 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -113 predicate places. [2022-11-20 10:30:41,920 INFO L495 AbstractCegarLoop]: Abstraction has has 335 places, 329 transitions, 689 flow [2022-11-20 10:30:41,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 10:30:41,921 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:41,921 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:30:41,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-20 10:30:41,922 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:41,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:41,922 INFO L85 PathProgramCache]: Analyzing trace with hash 11671509, now seen corresponding path program 1 times [2022-11-20 10:30:41,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:41,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542202035] [2022-11-20 10:30:41,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:41,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:42,589 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 10:30:42,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:42,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542202035] [2022-11-20 10:30:42,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542202035] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:42,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:42,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:30:42,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193843299] [2022-11-20 10:30:42,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:42,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:30:42,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:42,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:30:42,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:30:42,593 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 479 [2022-11-20 10:30:42,595 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 329 transitions, 689 flow. Second operand has 6 states, 6 states have (on average 323.0) internal successors, (1938), 6 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states 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 10:30:42,595 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:42,596 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 479 [2022-11-20 10:30:42,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:45,225 INFO L130 PetriNetUnfolder]: 1687/3138 cut-off events. [2022-11-20 10:30:45,225 INFO L131 PetriNetUnfolder]: For 882/882 co-relation queries the response was YES. [2022-11-20 10:30:45,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6531 conditions, 3138 events. 1687/3138 cut-off events. For 882/882 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 16001 event pairs, 233 based on Foata normal form. 0/3021 useless extension candidates. Maximal degree in co-relation 6464. Up to 1216 conditions per place. [2022-11-20 10:30:45,247 INFO L137 encePairwiseOnDemand]: 474/479 looper letters, 93 selfloop transitions, 4 changer transitions 0/372 dead transitions. [2022-11-20 10:30:45,247 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 372 transitions, 1017 flow [2022-11-20 10:30:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:30:45,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:30:45,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2009 transitions. [2022-11-20 10:30:45,252 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6990257480862909 [2022-11-20 10:30:45,253 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2009 transitions. [2022-11-20 10:30:45,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2009 transitions. [2022-11-20 10:30:45,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:45,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2009 transitions. [2022-11-20 10:30:45,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 334.8333333333333) internal successors, (2009), 6 states have internal predecessors, (2009), 0 states have call successors, (0), 0 states 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 10:30:45,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states 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 10:30:45,263 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states 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 10:30:45,263 INFO L175 Difference]: Start difference. First operand has 335 places, 329 transitions, 689 flow. Second operand 6 states and 2009 transitions. [2022-11-20 10:30:45,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 372 transitions, 1017 flow [2022-11-20 10:30:45,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 372 transitions, 1013 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:45,270 INFO L231 Difference]: Finished difference. Result has 337 places, 328 transitions, 691 flow [2022-11-20 10:30:45,270 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=683, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=691, PETRI_PLACES=337, PETRI_TRANSITIONS=328} [2022-11-20 10:30:45,271 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -111 predicate places. [2022-11-20 10:30:45,271 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 328 transitions, 691 flow [2022-11-20 10:30:45,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 323.0) internal successors, (1938), 6 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states 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 10:30:45,272 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:45,272 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:30:45,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-20 10:30:45,273 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:45,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:45,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1603083257, now seen corresponding path program 1 times [2022-11-20 10:30:45,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:45,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254590639] [2022-11-20 10:30:45,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:45,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:45,966 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 10:30:45,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:45,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254590639] [2022-11-20 10:30:45,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254590639] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:45,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:45,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:30:45,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967385724] [2022-11-20 10:30:45,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:45,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:30:45,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:45,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:30:45,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:30:45,970 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 479 [2022-11-20 10:30:45,972 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 328 transitions, 691 flow. Second operand has 6 states, 6 states have (on average 324.0) internal successors, (1944), 6 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states 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 10:30:45,972 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:45,972 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 479 [2022-11-20 10:30:45,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:47,929 INFO L130 PetriNetUnfolder]: 1512/2940 cut-off events. [2022-11-20 10:30:47,930 INFO L131 PetriNetUnfolder]: For 901/901 co-relation queries the response was YES. [2022-11-20 10:30:47,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6248 conditions, 2940 events. 1512/2940 cut-off events. For 901/901 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 14966 event pairs, 837 based on Foata normal form. 0/2815 useless extension candidates. Maximal degree in co-relation 6181. Up to 1608 conditions per place. [2022-11-20 10:30:47,951 INFO L137 encePairwiseOnDemand]: 474/479 looper letters, 72 selfloop transitions, 4 changer transitions 0/351 dead transitions. [2022-11-20 10:30:47,951 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 351 transitions, 921 flow [2022-11-20 10:30:47,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:30:47,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:30:47,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1992 transitions. [2022-11-20 10:30:47,957 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6931106471816284 [2022-11-20 10:30:47,957 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1992 transitions. [2022-11-20 10:30:47,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1992 transitions. [2022-11-20 10:30:47,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:47,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1992 transitions. [2022-11-20 10:30:47,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 332.0) internal successors, (1992), 6 states have internal predecessors, (1992), 0 states have call successors, (0), 0 states 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 10:30:47,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states 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 10:30:47,969 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states 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 10:30:47,970 INFO L175 Difference]: Start difference. First operand has 337 places, 328 transitions, 691 flow. Second operand 6 states and 1992 transitions. [2022-11-20 10:30:47,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 351 transitions, 921 flow [2022-11-20 10:30:47,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 351 transitions, 914 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 10:30:47,976 INFO L231 Difference]: Finished difference. Result has 337 places, 327 transitions, 690 flow [2022-11-20 10:30:47,977 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=690, PETRI_PLACES=337, PETRI_TRANSITIONS=327} [2022-11-20 10:30:47,977 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -111 predicate places. [2022-11-20 10:30:47,978 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 327 transitions, 690 flow [2022-11-20 10:30:47,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 324.0) internal successors, (1944), 6 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states 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 10:30:47,979 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:47,979 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:30:47,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-20 10:30:47,979 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:47,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:47,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1653608111, now seen corresponding path program 1 times [2022-11-20 10:30:47,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:47,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574613969] [2022-11-20 10:30:47,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:47,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:48,762 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 10:30:48,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:48,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574613969] [2022-11-20 10:30:48,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574613969] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:48,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:48,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:30:48,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432717564] [2022-11-20 10:30:48,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:48,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:30:48,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:48,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:30:48,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:30:48,768 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 479 [2022-11-20 10:30:48,771 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 327 transitions, 690 flow. Second operand has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states 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 10:30:48,771 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:48,771 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 479 [2022-11-20 10:30:48,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:50,722 INFO L130 PetriNetUnfolder]: 1489/2909 cut-off events. [2022-11-20 10:30:50,723 INFO L131 PetriNetUnfolder]: For 786/786 co-relation queries the response was YES. [2022-11-20 10:30:50,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6082 conditions, 2909 events. 1489/2909 cut-off events. For 786/786 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 14845 event pairs, 1015 based on Foata normal form. 0/2816 useless extension candidates. Maximal degree in co-relation 6015. Up to 1995 conditions per place. [2022-11-20 10:30:50,744 INFO L137 encePairwiseOnDemand]: 474/479 looper letters, 59 selfloop transitions, 4 changer transitions 0/338 dead transitions. [2022-11-20 10:30:50,744 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 338 transitions, 854 flow [2022-11-20 10:30:50,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:30:50,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:30:50,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1983 transitions. [2022-11-20 10:30:50,750 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6899791231732777 [2022-11-20 10:30:50,750 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1983 transitions. [2022-11-20 10:30:50,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1983 transitions. [2022-11-20 10:30:50,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:50,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1983 transitions. [2022-11-20 10:30:50,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 330.5) internal successors, (1983), 6 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states 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 10:30:50,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states 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 10:30:50,769 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states 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 10:30:50,769 INFO L175 Difference]: Start difference. First operand has 337 places, 327 transitions, 690 flow. Second operand 6 states and 1983 transitions. [2022-11-20 10:30:50,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 338 transitions, 854 flow [2022-11-20 10:30:50,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 338 transitions, 847 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 10:30:50,776 INFO L231 Difference]: Finished difference. Result has 337 places, 326 transitions, 689 flow [2022-11-20 10:30:50,777 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=681, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=326, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=689, PETRI_PLACES=337, PETRI_TRANSITIONS=326} [2022-11-20 10:30:50,777 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -111 predicate places. [2022-11-20 10:30:50,777 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 326 transitions, 689 flow [2022-11-20 10:30:50,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states 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 10:30:50,778 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:50,779 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:30:50,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-20 10:30:50,779 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 10:30:50,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:50,780 INFO L85 PathProgramCache]: Analyzing trace with hash -193955788, now seen corresponding path program 1 times [2022-11-20 10:30:50,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:50,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712015862] [2022-11-20 10:30:50,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:50,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:50,880 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 10:30:50,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:50,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712015862] [2022-11-20 10:30:50,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712015862] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:50,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:50,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:50,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233350524] [2022-11-20 10:30:50,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:50,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:50,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:50,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:50,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:50,884 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 479 [2022-11-20 10:30:50,885 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 326 transitions, 689 flow. Second operand has 3 states, 3 states have (on average 360.3333333333333) internal successors, (1081), 3 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states 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 10:30:50,885 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:50,885 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 479 [2022-11-20 10:30:50,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:51,345 INFO L130 PetriNetUnfolder]: 223/1007 cut-off events. [2022-11-20 10:30:51,345 INFO L131 PetriNetUnfolder]: For 165/201 co-relation queries the response was YES. [2022-11-20 10:30:51,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1574 conditions, 1007 events. 223/1007 cut-off events. For 165/201 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4697 event pairs, 146 based on Foata normal form. 8/926 useless extension candidates. Maximal degree in co-relation 1507. Up to 351 conditions per place. [2022-11-20 10:30:51,350 INFO L137 encePairwiseOnDemand]: 477/479 looper letters, 0 selfloop transitions, 0 changer transitions 325/325 dead transitions. [2022-11-20 10:30:51,350 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 325 transitions, 727 flow [2022-11-20 10:30:51,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:51,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:51,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1089 transitions. [2022-11-20 10:30:51,354 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7578288100208769 [2022-11-20 10:30:51,354 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1089 transitions. [2022-11-20 10:30:51,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1089 transitions. [2022-11-20 10:30:51,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:51,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1089 transitions. [2022-11-20 10:30:51,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.0) internal successors, (1089), 3 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states 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 10:30:51,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:51,360 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 10:30:51,361 INFO L175 Difference]: Start difference. First operand has 337 places, 326 transitions, 689 flow. Second operand 3 states and 1089 transitions. [2022-11-20 10:30:51,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 325 transitions, 727 flow [2022-11-20 10:30:51,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 325 transitions, 720 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 10:30:51,365 INFO L231 Difference]: Finished difference. Result has 334 places, 0 transitions, 0 flow [2022-11-20 10:30:51,365 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=334, PETRI_TRANSITIONS=0} [2022-11-20 10:30:51,366 INFO L288 CegarLoopForPetriNet]: 448 programPoint places, -114 predicate places. [2022-11-20 10:30:51,366 INFO L495 AbstractCegarLoop]: Abstraction has has 334 places, 0 transitions, 0 flow [2022-11-20 10:30:51,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 360.3333333333333) internal successors, (1081), 3 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states 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 10:30:51,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (206 of 207 remaining) [2022-11-20 10:30:51,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (205 of 207 remaining) [2022-11-20 10:30:51,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (204 of 207 remaining) [2022-11-20 10:30:51,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (203 of 207 remaining) [2022-11-20 10:30:51,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (202 of 207 remaining) [2022-11-20 10:30:51,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (201 of 207 remaining) [2022-11-20 10:30:51,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (200 of 207 remaining) [2022-11-20 10:30:51,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (199 of 207 remaining) [2022-11-20 10:30:51,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (198 of 207 remaining) [2022-11-20 10:30:51,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (197 of 207 remaining) [2022-11-20 10:30:51,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (196 of 207 remaining) [2022-11-20 10:30:51,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (195 of 207 remaining) [2022-11-20 10:30:51,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (194 of 207 remaining) [2022-11-20 10:30:51,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (193 of 207 remaining) [2022-11-20 10:30:51,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (192 of 207 remaining) [2022-11-20 10:30:51,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (191 of 207 remaining) [2022-11-20 10:30:51,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (190 of 207 remaining) [2022-11-20 10:30:51,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (189 of 207 remaining) [2022-11-20 10:30:51,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (188 of 207 remaining) [2022-11-20 10:30:51,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (187 of 207 remaining) [2022-11-20 10:30:51,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (186 of 207 remaining) [2022-11-20 10:30:51,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (185 of 207 remaining) [2022-11-20 10:30:51,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (184 of 207 remaining) [2022-11-20 10:30:51,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (183 of 207 remaining) [2022-11-20 10:30:51,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (182 of 207 remaining) [2022-11-20 10:30:51,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (181 of 207 remaining) [2022-11-20 10:30:51,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (180 of 207 remaining) [2022-11-20 10:30:51,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (179 of 207 remaining) [2022-11-20 10:30:51,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (178 of 207 remaining) [2022-11-20 10:30:51,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (177 of 207 remaining) [2022-11-20 10:30:51,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err30ASSERT_VIOLATIONDATA_RACE (176 of 207 remaining) [2022-11-20 10:30:51,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err31ASSERT_VIOLATIONDATA_RACE (175 of 207 remaining) [2022-11-20 10:30:51,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err32ASSERT_VIOLATIONDATA_RACE (174 of 207 remaining) [2022-11-20 10:30:51,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err33ASSERT_VIOLATIONDATA_RACE (173 of 207 remaining) [2022-11-20 10:30:51,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err34ASSERT_VIOLATIONDATA_RACE (172 of 207 remaining) [2022-11-20 10:30:51,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err35ASSERT_VIOLATIONDATA_RACE (171 of 207 remaining) [2022-11-20 10:30:51,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err36ASSERT_VIOLATIONDATA_RACE (170 of 207 remaining) [2022-11-20 10:30:51,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err37ASSERT_VIOLATIONDATA_RACE (169 of 207 remaining) [2022-11-20 10:30:51,377 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err38ASSERT_VIOLATIONDATA_RACE (168 of 207 remaining) [2022-11-20 10:30:51,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err39ASSERT_VIOLATIONDATA_RACE (167 of 207 remaining) [2022-11-20 10:30:51,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err40ASSERT_VIOLATIONDATA_RACE (166 of 207 remaining) [2022-11-20 10:30:51,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err41ASSERT_VIOLATIONDATA_RACE (165 of 207 remaining) [2022-11-20 10:30:51,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err42ASSERT_VIOLATIONDATA_RACE (164 of 207 remaining) [2022-11-20 10:30:51,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err43ASSERT_VIOLATIONDATA_RACE (163 of 207 remaining) [2022-11-20 10:30:51,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (162 of 207 remaining) [2022-11-20 10:30:51,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (161 of 207 remaining) [2022-11-20 10:30:51,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (160 of 207 remaining) [2022-11-20 10:30:51,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (159 of 207 remaining) [2022-11-20 10:30:51,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (158 of 207 remaining) [2022-11-20 10:30:51,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (157 of 207 remaining) [2022-11-20 10:30:51,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (156 of 207 remaining) [2022-11-20 10:30:51,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (155 of 207 remaining) [2022-11-20 10:30:51,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (154 of 207 remaining) [2022-11-20 10:30:51,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (153 of 207 remaining) [2022-11-20 10:30:51,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (152 of 207 remaining) [2022-11-20 10:30:51,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (151 of 207 remaining) [2022-11-20 10:30:51,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (150 of 207 remaining) [2022-11-20 10:30:51,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (149 of 207 remaining) [2022-11-20 10:30:51,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (148 of 207 remaining) [2022-11-20 10:30:51,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (147 of 207 remaining) [2022-11-20 10:30:51,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (146 of 207 remaining) [2022-11-20 10:30:51,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (145 of 207 remaining) [2022-11-20 10:30:51,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (144 of 207 remaining) [2022-11-20 10:30:51,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (143 of 207 remaining) [2022-11-20 10:30:51,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (142 of 207 remaining) [2022-11-20 10:30:51,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (141 of 207 remaining) [2022-11-20 10:30:51,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (140 of 207 remaining) [2022-11-20 10:30:51,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (139 of 207 remaining) [2022-11-20 10:30:51,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (138 of 207 remaining) [2022-11-20 10:30:51,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (137 of 207 remaining) [2022-11-20 10:30:51,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (136 of 207 remaining) [2022-11-20 10:30:51,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (135 of 207 remaining) [2022-11-20 10:30:51,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (134 of 207 remaining) [2022-11-20 10:30:51,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (133 of 207 remaining) [2022-11-20 10:30:51,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (132 of 207 remaining) [2022-11-20 10:30:51,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (131 of 207 remaining) [2022-11-20 10:30:51,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (130 of 207 remaining) [2022-11-20 10:30:51,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (129 of 207 remaining) [2022-11-20 10:30:51,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (128 of 207 remaining) [2022-11-20 10:30:51,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (127 of 207 remaining) [2022-11-20 10:30:51,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (126 of 207 remaining) [2022-11-20 10:30:51,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (125 of 207 remaining) [2022-11-20 10:30:51,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (124 of 207 remaining) [2022-11-20 10:30:51,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (123 of 207 remaining) [2022-11-20 10:30:51,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (122 of 207 remaining) [2022-11-20 10:30:51,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (121 of 207 remaining) [2022-11-20 10:30:51,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (120 of 207 remaining) [2022-11-20 10:30:51,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (119 of 207 remaining) [2022-11-20 10:30:51,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (118 of 207 remaining) [2022-11-20 10:30:51,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (117 of 207 remaining) [2022-11-20 10:30:51,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (116 of 207 remaining) [2022-11-20 10:30:51,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (115 of 207 remaining) [2022-11-20 10:30:51,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (114 of 207 remaining) [2022-11-20 10:30:51,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (113 of 207 remaining) [2022-11-20 10:30:51,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (112 of 207 remaining) [2022-11-20 10:30:51,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (111 of 207 remaining) [2022-11-20 10:30:51,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (110 of 207 remaining) [2022-11-20 10:30:51,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (109 of 207 remaining) [2022-11-20 10:30:51,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (108 of 207 remaining) [2022-11-20 10:30:51,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (107 of 207 remaining) [2022-11-20 10:30:51,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (106 of 207 remaining) [2022-11-20 10:30:51,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (105 of 207 remaining) [2022-11-20 10:30:51,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (104 of 207 remaining) [2022-11-20 10:30:51,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (103 of 207 remaining) [2022-11-20 10:30:51,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (102 of 207 remaining) [2022-11-20 10:30:51,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (101 of 207 remaining) [2022-11-20 10:30:51,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (100 of 207 remaining) [2022-11-20 10:30:51,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (99 of 207 remaining) [2022-11-20 10:30:51,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (98 of 207 remaining) [2022-11-20 10:30:51,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (97 of 207 remaining) [2022-11-20 10:30:51,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (96 of 207 remaining) [2022-11-20 10:30:51,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (95 of 207 remaining) [2022-11-20 10:30:51,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (94 of 207 remaining) [2022-11-20 10:30:51,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (93 of 207 remaining) [2022-11-20 10:30:51,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (92 of 207 remaining) [2022-11-20 10:30:51,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (91 of 207 remaining) [2022-11-20 10:30:51,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (90 of 207 remaining) [2022-11-20 10:30:51,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (89 of 207 remaining) [2022-11-20 10:30:51,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (88 of 207 remaining) [2022-11-20 10:30:51,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (87 of 207 remaining) [2022-11-20 10:30:51,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (86 of 207 remaining) [2022-11-20 10:30:51,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (85 of 207 remaining) [2022-11-20 10:30:51,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (84 of 207 remaining) [2022-11-20 10:30:51,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (83 of 207 remaining) [2022-11-20 10:30:51,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (82 of 207 remaining) [2022-11-20 10:30:51,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (81 of 207 remaining) [2022-11-20 10:30:51,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (80 of 207 remaining) [2022-11-20 10:30:51,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (79 of 207 remaining) [2022-11-20 10:30:51,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (78 of 207 remaining) [2022-11-20 10:30:51,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (77 of 207 remaining) [2022-11-20 10:30:51,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (76 of 207 remaining) [2022-11-20 10:30:51,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (75 of 207 remaining) [2022-11-20 10:30:51,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (74 of 207 remaining) [2022-11-20 10:30:51,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (73 of 207 remaining) [2022-11-20 10:30:51,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (72 of 207 remaining) [2022-11-20 10:30:51,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (71 of 207 remaining) [2022-11-20 10:30:51,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (70 of 207 remaining) [2022-11-20 10:30:51,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (69 of 207 remaining) [2022-11-20 10:30:51,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (68 of 207 remaining) [2022-11-20 10:30:51,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (67 of 207 remaining) [2022-11-20 10:30:51,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (66 of 207 remaining) [2022-11-20 10:30:51,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (65 of 207 remaining) [2022-11-20 10:30:51,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (64 of 207 remaining) [2022-11-20 10:30:51,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (63 of 207 remaining) [2022-11-20 10:30:51,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (62 of 207 remaining) [2022-11-20 10:30:51,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (61 of 207 remaining) [2022-11-20 10:30:51,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (60 of 207 remaining) [2022-11-20 10:30:51,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (59 of 207 remaining) [2022-11-20 10:30:51,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (58 of 207 remaining) [2022-11-20 10:30:51,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err30ASSERT_VIOLATIONDATA_RACE (57 of 207 remaining) [2022-11-20 10:30:51,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err31ASSERT_VIOLATIONDATA_RACE (56 of 207 remaining) [2022-11-20 10:30:51,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err32ASSERT_VIOLATIONDATA_RACE (55 of 207 remaining) [2022-11-20 10:30:51,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err33ASSERT_VIOLATIONDATA_RACE (54 of 207 remaining) [2022-11-20 10:30:51,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err34ASSERT_VIOLATIONDATA_RACE (53 of 207 remaining) [2022-11-20 10:30:51,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err35ASSERT_VIOLATIONDATA_RACE (52 of 207 remaining) [2022-11-20 10:30:51,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err36ASSERT_VIOLATIONDATA_RACE (51 of 207 remaining) [2022-11-20 10:30:51,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err37ASSERT_VIOLATIONDATA_RACE (50 of 207 remaining) [2022-11-20 10:30:51,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err38ASSERT_VIOLATIONDATA_RACE (49 of 207 remaining) [2022-11-20 10:30:51,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err39ASSERT_VIOLATIONDATA_RACE (48 of 207 remaining) [2022-11-20 10:30:51,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err40ASSERT_VIOLATIONDATA_RACE (47 of 207 remaining) [2022-11-20 10:30:51,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err41ASSERT_VIOLATIONDATA_RACE (46 of 207 remaining) [2022-11-20 10:30:51,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err42ASSERT_VIOLATIONDATA_RACE (45 of 207 remaining) [2022-11-20 10:30:51,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err43ASSERT_VIOLATIONDATA_RACE (44 of 207 remaining) [2022-11-20 10:30:51,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 207 remaining) [2022-11-20 10:30:51,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 207 remaining) [2022-11-20 10:30:51,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (41 of 207 remaining) [2022-11-20 10:30:51,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (40 of 207 remaining) [2022-11-20 10:30:51,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 207 remaining) [2022-11-20 10:30:51,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (38 of 207 remaining) [2022-11-20 10:30:51,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (37 of 207 remaining) [2022-11-20 10:30:51,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (36 of 207 remaining) [2022-11-20 10:30:51,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (35 of 207 remaining) [2022-11-20 10:30:51,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (34 of 207 remaining) [2022-11-20 10:30:51,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (33 of 207 remaining) [2022-11-20 10:30:51,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (32 of 207 remaining) [2022-11-20 10:30:51,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (31 of 207 remaining) [2022-11-20 10:30:51,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (30 of 207 remaining) [2022-11-20 10:30:51,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (29 of 207 remaining) [2022-11-20 10:30:51,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (28 of 207 remaining) [2022-11-20 10:30:51,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (27 of 207 remaining) [2022-11-20 10:30:51,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (26 of 207 remaining) [2022-11-20 10:30:51,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (25 of 207 remaining) [2022-11-20 10:30:51,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (24 of 207 remaining) [2022-11-20 10:30:51,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (23 of 207 remaining) [2022-11-20 10:30:51,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (22 of 207 remaining) [2022-11-20 10:30:51,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (21 of 207 remaining) [2022-11-20 10:30:51,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (20 of 207 remaining) [2022-11-20 10:30:51,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (19 of 207 remaining) [2022-11-20 10:30:51,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (18 of 207 remaining) [2022-11-20 10:30:51,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (17 of 207 remaining) [2022-11-20 10:30:51,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (16 of 207 remaining) [2022-11-20 10:30:51,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (15 of 207 remaining) [2022-11-20 10:30:51,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (14 of 207 remaining) [2022-11-20 10:30:51,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (13 of 207 remaining) [2022-11-20 10:30:51,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (12 of 207 remaining) [2022-11-20 10:30:51,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (11 of 207 remaining) [2022-11-20 10:30:51,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (10 of 207 remaining) [2022-11-20 10:30:51,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (9 of 207 remaining) [2022-11-20 10:30:51,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (8 of 207 remaining) [2022-11-20 10:30:51,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (7 of 207 remaining) [2022-11-20 10:30:51,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (6 of 207 remaining) [2022-11-20 10:30:51,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (5 of 207 remaining) [2022-11-20 10:30:51,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (4 of 207 remaining) [2022-11-20 10:30:51,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (3 of 207 remaining) [2022-11-20 10:30:51,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (2 of 207 remaining) [2022-11-20 10:30:51,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (1 of 207 remaining) [2022-11-20 10:30:51,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (0 of 207 remaining) [2022-11-20 10:30:51,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-20 10:30:51,413 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] [2022-11-20 10:30:51,420 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 10:30:51,420 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:30:51,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:30:51 BasicIcfg [2022-11-20 10:30:51,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:30:51,427 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:30:51,427 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:30:51,427 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:30:51,428 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:29" (3/4) ... [2022-11-20 10:30:51,431 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:30:51,436 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-20 10:30:51,436 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-20 10:30:51,437 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-20 10:30:51,444 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2022-11-20 10:30:51,444 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 10:30:51,445 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 10:30:51,446 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:30:51,496 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86589fc5-6c68-4d96-a996-5b110acfeb54/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:30:51,497 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:30:51,497 INFO L158 Benchmark]: Toolchain (without parser) took 25012.72ms. Allocated memory was 184.5MB in the beginning and 1.1GB in the end (delta: 939.5MB). Free memory was 152.3MB in the beginning and 800.9MB in the end (delta: -648.6MB). Peak memory consumption was 292.3MB. Max. memory is 16.1GB. [2022-11-20 10:30:51,497 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:30:51,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.12ms. Allocated memory is still 184.5MB. Free memory was 151.6MB in the beginning and 137.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 10:30:51,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.17ms. Allocated memory is still 184.5MB. Free memory was 137.7MB in the beginning and 132.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:30:51,498 INFO L158 Benchmark]: Boogie Preprocessor took 67.55ms. Allocated memory is still 184.5MB. Free memory was 132.9MB in the beginning and 128.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:30:51,499 INFO L158 Benchmark]: RCFGBuilder took 2522.24ms. Allocated memory is still 184.5MB. Free memory was 128.7MB in the beginning and 111.3MB in the end (delta: 17.4MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2022-11-20 10:30:51,503 INFO L158 Benchmark]: TraceAbstraction took 21883.09ms. Allocated memory was 184.5MB in the beginning and 1.1GB in the end (delta: 939.5MB). Free memory was 110.3MB in the beginning and 807.2MB in the end (delta: -696.9MB). Peak memory consumption was 243.7MB. Max. memory is 16.1GB. [2022-11-20 10:30:51,504 INFO L158 Benchmark]: Witness Printer took 69.96ms. Allocated memory is still 1.1GB. Free memory was 807.2MB in the beginning and 800.9MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:30:51,505 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.12ms. Allocated memory is still 184.5MB. Free memory was 151.6MB in the beginning and 137.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.17ms. Allocated memory is still 184.5MB. Free memory was 137.7MB in the beginning and 132.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.55ms. Allocated memory is still 184.5MB. Free memory was 132.9MB in the beginning and 128.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2522.24ms. Allocated memory is still 184.5MB. Free memory was 128.7MB in the beginning and 111.3MB in the end (delta: 17.4MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. * TraceAbstraction took 21883.09ms. Allocated memory was 184.5MB in the beginning and 1.1GB in the end (delta: 939.5MB). Free memory was 110.3MB in the beginning and 807.2MB in the end (delta: -696.9MB). Peak memory consumption was 243.7MB. Max. memory is 16.1GB. * Witness Printer took 69.96ms. Allocated memory is still 1.1GB. Free memory was 807.2MB in the beginning and 800.9MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: 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: 65]: 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: 65]: 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: 66]: 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: 66]: 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: 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: 67]: 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: 71]: 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: 72]: 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: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 159]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 159]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 159]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 144]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 147]: 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, 578 locations, 207 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: 21.5s, OverallIterations: 26, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 16.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 122 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 230 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 151 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1232 IncrementalHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 151 mSolverCounterUnsat, 230 mSDtfsCounter, 1232 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=930occurred in iteration=0, 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, 3.5s InterpolantComputationTime, 3513 NumberOfCodeBlocks, 3513 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 3487 ConstructedInterpolants, 0 QuantifiedInterpolants, 3889 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 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 116 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 10:30:51,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86589fc5-6c68-4d96-a996-5b110acfeb54/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