./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f 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_df5f03fd-f9df-48a2-ac6a-ddc9fb2a7b01/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5f03fd-f9df-48a2-ac6a-ddc9fb2a7b01/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5f03fd-f9df-48a2-ac6a-ddc9fb2a7b01/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5f03fd-f9df-48a2-ac6a-ddc9fb2a7b01/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5f03fd-f9df-48a2-ac6a-ddc9fb2a7b01/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5f03fd-f9df-48a2-ac6a-ddc9fb2a7b01/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ecda181bd3fe1882667151a04232fb9d04292dd6ca3491d98fdc8de5d539856a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:18:17,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:18:17,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:18:17,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:18:17,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:18:17,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:18:17,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:18:17,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:18:17,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:18:17,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:18:17,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:18:17,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:18:17,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:18:17,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:18:17,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:18:17,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:18:17,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:18:17,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:18:17,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:18:17,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:18:17,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:18:17,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:18:17,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:18:17,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:18:17,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:18:17,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:18:17,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:18:17,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:18:17,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:18:17,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:18:17,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:18:17,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:18:17,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:18:17,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:18:17,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:18:17,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:18:17,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:18:17,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:18:17,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:18:17,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:18:17,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:18:17,890 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5f03fd-f9df-48a2-ac6a-ddc9fb2a7b01/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:18:17,931 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:18:17,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:18:17,932 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:18:17,932 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:18:17,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:18:17,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:18:17,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:18:17,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:18:17,934 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:18:17,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:18:17,937 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:18:17,937 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:18:17,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:18:17,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:18:17,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:18:17,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:18:17,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:18:17,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:18:17,939 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:18:17,940 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:18:17,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:18:17,945 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:18:17,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:18:17,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:18:17,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:18:17,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:18:17,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:18:17,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:18:17,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:18:17,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:18:17,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:18:17,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:18:17,960 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:18:17,960 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:18:17,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:18:17,961 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_df5f03fd-f9df-48a2-ac6a-ddc9fb2a7b01/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5f03fd-f9df-48a2-ac6a-ddc9fb2a7b01/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecda181bd3fe1882667151a04232fb9d04292dd6ca3491d98fdc8de5d539856a [2022-11-16 11:18:18,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:18:18,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:18:18,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:18:18,272 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:18:18,273 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:18:18,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5f03fd-f9df-48a2-ac6a-ddc9fb2a7b01/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2022-11-16 11:18:18,348 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5f03fd-f9df-48a2-ac6a-ddc9fb2a7b01/bin/uautomizer-tPACEb0tL8/data/6a5b65a97/157d783506634ed0add4eb0e4d629f9a/FLAG0c4d9bcb4 [2022-11-16 11:18:18,776 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:18:18,776 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5f03fd-f9df-48a2-ac6a-ddc9fb2a7b01/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2022-11-16 11:18:18,788 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5f03fd-f9df-48a2-ac6a-ddc9fb2a7b01/bin/uautomizer-tPACEb0tL8/data/6a5b65a97/157d783506634ed0add4eb0e4d629f9a/FLAG0c4d9bcb4 [2022-11-16 11:18:19,160 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5f03fd-f9df-48a2-ac6a-ddc9fb2a7b01/bin/uautomizer-tPACEb0tL8/data/6a5b65a97/157d783506634ed0add4eb0e4d629f9a [2022-11-16 11:18:19,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:18:19,164 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:18:19,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:18:19,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:18:19,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:18:19,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:18:19" (1/1) ... [2022-11-16 11:18:19,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33636167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:18:19, skipping insertion in model container [2022-11-16 11:18:19,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:18:19" (1/1) ... [2022-11-16 11:18:19,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:18:19,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:18:19,538 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5f03fd-f9df-48a2-ac6a-ddc9fb2a7b01/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c[2924,2937] [2022-11-16 11:18:19,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:18:19,568 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:18:19,630 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5f03fd-f9df-48a2-ac6a-ddc9fb2a7b01/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c[2924,2937] [2022-11-16 11:18:19,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:18:19,656 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:18:19,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:18:19 WrapperNode [2022-11-16 11:18:19,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:18:19,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:18:19,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:18:19,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:18:19,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:18:19" (1/1) ... [2022-11-16 11:18:19,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:18:19" (1/1) ... [2022-11-16 11:18:19,762 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 419 [2022-11-16 11:18:19,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:18:19,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:18:19,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:18:19,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:18:19,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:18:19" (1/1) ... [2022-11-16 11:18:19,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:18:19" (1/1) ... [2022-11-16 11:18:19,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:18:19" (1/1) ... [2022-11-16 11:18:19,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:18:19" (1/1) ... [2022-11-16 11:18:19,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:18:19" (1/1) ... [2022-11-16 11:18:19,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:18:19" (1/1) ... [2022-11-16 11:18:19,847 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:18:19" (1/1) ... [2022-11-16 11:18:19,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:18:19" (1/1) ... [2022-11-16 11:18:19,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:18:19,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:18:19,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:18:19,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:18:19,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:18:19" (1/1) ... [2022-11-16 11:18:19,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:18:19,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5f03fd-f9df-48a2-ac6a-ddc9fb2a7b01/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:18:19,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5f03fd-f9df-48a2-ac6a-ddc9fb2a7b01/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:18:19,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5f03fd-f9df-48a2-ac6a-ddc9fb2a7b01/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:18:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:18:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 11:18:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 11:18:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 11:18:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 11:18:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:18:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:18:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:18:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 11:18:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 11:18:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:18:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:18:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:18:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:18:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:18:19,948 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:18:20,093 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:18:20,095 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:18:21,032 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:18:21,431 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:18:21,432 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-16 11:18:21,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:18:21 BoogieIcfgContainer [2022-11-16 11:18:21,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:18:21,437 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:18:21,437 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:18:21,441 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:18:21,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:18:19" (1/3) ... [2022-11-16 11:18:21,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f2ff1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:18:21, skipping insertion in model container [2022-11-16 11:18:21,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:18:19" (2/3) ... [2022-11-16 11:18:21,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f2ff1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:18:21, skipping insertion in model container [2022-11-16 11:18:21,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:18:21" (3/3) ... [2022-11-16 11:18:21,444 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-dec-subseq.wvr.c [2022-11-16 11:18:21,454 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:18:21,465 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:18:21,466 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 69 error locations. [2022-11-16 11:18:21,466 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:18:21,586 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 11:18:21,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 376 places, 385 transitions, 786 flow [2022-11-16 11:18:21,787 INFO L130 PetriNetUnfolder]: 16/383 cut-off events. [2022-11-16 11:18:21,787 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-16 11:18:21,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 383 events. 16/383 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 615 event pairs, 0 based on Foata normal form. 0/298 useless extension candidates. Maximal degree in co-relation 288. Up to 2 conditions per place. [2022-11-16 11:18:21,800 INFO L82 GeneralOperation]: Start removeDead. Operand has 376 places, 385 transitions, 786 flow [2022-11-16 11:18:21,808 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 357 places, 365 transitions, 742 flow [2022-11-16 11:18:21,818 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:18:21,824 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;@4d99da3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:18:21,825 INFO L358 AbstractCegarLoop]: Starting to check reachability of 119 error locations. [2022-11-16 11:18:21,830 INFO L130 PetriNetUnfolder]: 0/28 cut-off events. [2022-11-16 11:18:21,831 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:18:21,831 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:21,832 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:18:21,832 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:21,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:21,838 INFO L85 PathProgramCache]: Analyzing trace with hash 232220507, now seen corresponding path program 1 times [2022-11-16 11:18:21,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:21,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766981998] [2022-11-16 11:18:21,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:21,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:22,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:22,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:22,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766981998] [2022-11-16 11:18:22,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766981998] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:22,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:22,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:18:22,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268720197] [2022-11-16 11:18:22,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:22,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:18:22,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:22,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:18:22,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:18:22,123 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 385 [2022-11-16 11:18:22,132 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 365 transitions, 742 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:22,132 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:22,132 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 385 [2022-11-16 11:18:22,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:22,382 INFO L130 PetriNetUnfolder]: 36/431 cut-off events. [2022-11-16 11:18:22,382 INFO L131 PetriNetUnfolder]: For 38/43 co-relation queries the response was YES. [2022-11-16 11:18:22,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 518 conditions, 431 events. 36/431 cut-off events. For 38/43 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1170 event pairs, 17 based on Foata normal form. 20/365 useless extension candidates. Maximal degree in co-relation 274. Up to 66 conditions per place. [2022-11-16 11:18:22,392 INFO L137 encePairwiseOnDemand]: 341/385 looper letters, 20 selfloop transitions, 2 changer transitions 5/323 dead transitions. [2022-11-16 11:18:22,393 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 323 transitions, 702 flow [2022-11-16 11:18:22,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:18:22,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:18:22,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1018 transitions. [2022-11-16 11:18:22,418 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8813852813852814 [2022-11-16 11:18:22,418 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1018 transitions. [2022-11-16 11:18:22,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1018 transitions. [2022-11-16 11:18:22,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:22,426 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1018 transitions. [2022-11-16 11:18:22,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:22,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:22,444 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:22,446 INFO L175 Difference]: Start difference. First operand has 357 places, 365 transitions, 742 flow. Second operand 3 states and 1018 transitions. [2022-11-16 11:18:22,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 323 transitions, 702 flow [2022-11-16 11:18:22,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 323 transitions, 694 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:18:22,463 INFO L231 Difference]: Finished difference. Result has 322 places, 318 transitions, 644 flow [2022-11-16 11:18:22,466 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=644, PETRI_PLACES=322, PETRI_TRANSITIONS=318} [2022-11-16 11:18:22,470 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -35 predicate places. [2022-11-16 11:18:22,470 INFO L495 AbstractCegarLoop]: Abstraction has has 322 places, 318 transitions, 644 flow [2022-11-16 11:18:22,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:22,472 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:22,472 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] [2022-11-16 11:18:22,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:18:22,473 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:22,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:22,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1264366721, now seen corresponding path program 1 times [2022-11-16 11:18:22,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:22,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403125058] [2022-11-16 11:18:22,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:22,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:22,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:22,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:22,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403125058] [2022-11-16 11:18:22,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403125058] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:22,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:22,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:18:22,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869478599] [2022-11-16 11:18:22,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:22,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:18:22,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:22,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:18:22,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:18:22,611 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 385 [2022-11-16 11:18:22,613 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 318 transitions, 644 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:22,613 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:22,613 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 385 [2022-11-16 11:18:22,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:22,800 INFO L130 PetriNetUnfolder]: 34/562 cut-off events. [2022-11-16 11:18:22,800 INFO L131 PetriNetUnfolder]: For 4/15 co-relation queries the response was YES. [2022-11-16 11:18:22,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 632 conditions, 562 events. 34/562 cut-off events. For 4/15 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1980 event pairs, 14 based on Foata normal form. 0/460 useless extension candidates. Maximal degree in co-relation 596. Up to 58 conditions per place. [2022-11-16 11:18:22,804 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 21 selfloop transitions, 2 changer transitions 0/317 dead transitions. [2022-11-16 11:18:22,804 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 317 transitions, 688 flow [2022-11-16 11:18:22,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:18:22,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:18:22,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 978 transitions. [2022-11-16 11:18:22,807 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8467532467532467 [2022-11-16 11:18:22,807 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 978 transitions. [2022-11-16 11:18:22,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 978 transitions. [2022-11-16 11:18:22,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:22,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 978 transitions. [2022-11-16 11:18:22,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.0) internal successors, (978), 3 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:22,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:22,815 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:22,815 INFO L175 Difference]: Start difference. First operand has 322 places, 318 transitions, 644 flow. Second operand 3 states and 978 transitions. [2022-11-16 11:18:22,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 317 transitions, 688 flow [2022-11-16 11:18:22,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 317 transitions, 684 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:18:22,825 INFO L231 Difference]: Finished difference. Result has 316 places, 317 transitions, 642 flow [2022-11-16 11:18:22,825 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=642, PETRI_PLACES=316, PETRI_TRANSITIONS=317} [2022-11-16 11:18:22,826 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -41 predicate places. [2022-11-16 11:18:22,826 INFO L495 AbstractCegarLoop]: Abstraction has has 316 places, 317 transitions, 642 flow [2022-11-16 11:18:22,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:22,828 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:22,828 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] [2022-11-16 11:18:22,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:18:22,828 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:22,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:22,830 INFO L85 PathProgramCache]: Analyzing trace with hash 381564941, now seen corresponding path program 1 times [2022-11-16 11:18:22,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:22,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053448370] [2022-11-16 11:18:22,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:22,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:22,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:22,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:22,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053448370] [2022-11-16 11:18:22,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053448370] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:22,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:22,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:18:22,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447733787] [2022-11-16 11:18:22,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:22,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:18:22,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:22,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:18:22,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:18:22,927 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 385 [2022-11-16 11:18:22,928 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 317 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:22,928 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:22,928 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 385 [2022-11-16 11:18:22,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:23,044 INFO L130 PetriNetUnfolder]: 18/406 cut-off events. [2022-11-16 11:18:23,044 INFO L131 PetriNetUnfolder]: For 4/6 co-relation queries the response was YES. [2022-11-16 11:18:23,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 446 conditions, 406 events. 18/406 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 876 event pairs, 5 based on Foata normal form. 0/342 useless extension candidates. Maximal degree in co-relation 403. Up to 31 conditions per place. [2022-11-16 11:18:23,047 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 15 selfloop transitions, 2 changer transitions 0/316 dead transitions. [2022-11-16 11:18:23,048 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 316 transitions, 674 flow [2022-11-16 11:18:23,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:18:23,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:18:23,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 990 transitions. [2022-11-16 11:18:23,053 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8571428571428571 [2022-11-16 11:18:23,053 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 990 transitions. [2022-11-16 11:18:23,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 990 transitions. [2022-11-16 11:18:23,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:23,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 990 transitions. [2022-11-16 11:18:23,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,061 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,061 INFO L175 Difference]: Start difference. First operand has 316 places, 317 transitions, 642 flow. Second operand 3 states and 990 transitions. [2022-11-16 11:18:23,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 316 transitions, 674 flow [2022-11-16 11:18:23,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 316 transitions, 670 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:18:23,068 INFO L231 Difference]: Finished difference. Result has 315 places, 316 transitions, 640 flow [2022-11-16 11:18:23,068 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=640, PETRI_PLACES=315, PETRI_TRANSITIONS=316} [2022-11-16 11:18:23,070 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -42 predicate places. [2022-11-16 11:18:23,071 INFO L495 AbstractCegarLoop]: Abstraction has has 315 places, 316 transitions, 640 flow [2022-11-16 11:18:23,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,072 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:23,072 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:18:23,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:18:23,072 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:23,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:23,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1006084345, now seen corresponding path program 1 times [2022-11-16 11:18:23,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:23,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084821987] [2022-11-16 11:18:23,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:23,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:23,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:23,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:23,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084821987] [2022-11-16 11:18:23,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084821987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:23,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:23,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:18:23,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282093355] [2022-11-16 11:18:23,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:23,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:18:23,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:23,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:18:23,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:18:23,171 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 385 [2022-11-16 11:18:23,172 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 316 transitions, 640 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,172 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:23,172 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 385 [2022-11-16 11:18:23,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:23,297 INFO L130 PetriNetUnfolder]: 18/405 cut-off events. [2022-11-16 11:18:23,297 INFO L131 PetriNetUnfolder]: For 4/6 co-relation queries the response was YES. [2022-11-16 11:18:23,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 405 events. 18/405 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 876 event pairs, 5 based on Foata normal form. 0/342 useless extension candidates. Maximal degree in co-relation 395. Up to 31 conditions per place. [2022-11-16 11:18:23,300 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 15 selfloop transitions, 2 changer transitions 0/315 dead transitions. [2022-11-16 11:18:23,300 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 315 transitions, 672 flow [2022-11-16 11:18:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:18:23,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:18:23,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 990 transitions. [2022-11-16 11:18:23,303 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8571428571428571 [2022-11-16 11:18:23,303 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 990 transitions. [2022-11-16 11:18:23,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 990 transitions. [2022-11-16 11:18:23,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:23,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 990 transitions. [2022-11-16 11:18:23,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,310 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,311 INFO L175 Difference]: Start difference. First operand has 315 places, 316 transitions, 640 flow. Second operand 3 states and 990 transitions. [2022-11-16 11:18:23,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 315 transitions, 672 flow [2022-11-16 11:18:23,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 315 transitions, 668 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:18:23,317 INFO L231 Difference]: Finished difference. Result has 314 places, 315 transitions, 638 flow [2022-11-16 11:18:23,317 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=638, PETRI_PLACES=314, PETRI_TRANSITIONS=315} [2022-11-16 11:18:23,318 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -43 predicate places. [2022-11-16 11:18:23,318 INFO L495 AbstractCegarLoop]: Abstraction has has 314 places, 315 transitions, 638 flow [2022-11-16 11:18:23,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,319 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:23,319 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] [2022-11-16 11:18:23,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:18:23,320 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:23,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:23,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1182984533, now seen corresponding path program 1 times [2022-11-16 11:18:23,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:23,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000023851] [2022-11-16 11:18:23,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:23,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:23,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:23,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:23,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000023851] [2022-11-16 11:18:23,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000023851] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:23,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:23,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:18:23,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830818896] [2022-11-16 11:18:23,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:23,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:18:23,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:23,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:18:23,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:18:23,363 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 385 [2022-11-16 11:18:23,365 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 315 transitions, 638 flow. Second operand has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,365 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:23,365 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 385 [2022-11-16 11:18:23,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:23,480 INFO L130 PetriNetUnfolder]: 21/418 cut-off events. [2022-11-16 11:18:23,480 INFO L131 PetriNetUnfolder]: For 7/8 co-relation queries the response was YES. [2022-11-16 11:18:23,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 463 conditions, 418 events. 21/418 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 876 event pairs, 5 based on Foata normal form. 0/361 useless extension candidates. Maximal degree in co-relation 405. Up to 21 conditions per place. [2022-11-16 11:18:23,484 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 16 selfloop transitions, 2 changer transitions 0/319 dead transitions. [2022-11-16 11:18:23,484 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 319 transitions, 684 flow [2022-11-16 11:18:23,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:18:23,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:18:23,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1000 transitions. [2022-11-16 11:18:23,487 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8658008658008658 [2022-11-16 11:18:23,487 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1000 transitions. [2022-11-16 11:18:23,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1000 transitions. [2022-11-16 11:18:23,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:23,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1000 transitions. [2022-11-16 11:18:23,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 333.3333333333333) internal successors, (1000), 3 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,494 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,494 INFO L175 Difference]: Start difference. First operand has 314 places, 315 transitions, 638 flow. Second operand 3 states and 1000 transitions. [2022-11-16 11:18:23,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 319 transitions, 684 flow [2022-11-16 11:18:23,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 319 transitions, 680 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:18:23,501 INFO L231 Difference]: Finished difference. Result has 314 places, 315 transitions, 642 flow [2022-11-16 11:18:23,502 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=642, PETRI_PLACES=314, PETRI_TRANSITIONS=315} [2022-11-16 11:18:23,504 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -43 predicate places. [2022-11-16 11:18:23,504 INFO L495 AbstractCegarLoop]: Abstraction has has 314 places, 315 transitions, 642 flow [2022-11-16 11:18:23,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,505 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:23,506 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] [2022-11-16 11:18:23,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:18:23,506 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:23,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:23,507 INFO L85 PathProgramCache]: Analyzing trace with hash 263933774, now seen corresponding path program 1 times [2022-11-16 11:18:23,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:23,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580954577] [2022-11-16 11:18:23,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:23,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:23,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:23,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:23,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580954577] [2022-11-16 11:18:23,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580954577] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:23,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:23,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:18:23,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968528194] [2022-11-16 11:18:23,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:23,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:18:23,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:23,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:18:23,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:18:23,557 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 385 [2022-11-16 11:18:23,558 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 315 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,558 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:23,559 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 385 [2022-11-16 11:18:23,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:23,676 INFO L130 PetriNetUnfolder]: 21/425 cut-off events. [2022-11-16 11:18:23,677 INFO L131 PetriNetUnfolder]: For 13/15 co-relation queries the response was YES. [2022-11-16 11:18:23,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 478 conditions, 425 events. 21/425 cut-off events. For 13/15 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1040 event pairs, 7 based on Foata normal form. 0/361 useless extension candidates. Maximal degree in co-relation 277. Up to 35 conditions per place. [2022-11-16 11:18:23,680 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 13 selfloop transitions, 2 changer transitions 0/314 dead transitions. [2022-11-16 11:18:23,680 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 314 transitions, 670 flow [2022-11-16 11:18:23,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:18:23,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:18:23,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 996 transitions. [2022-11-16 11:18:23,684 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8623376623376623 [2022-11-16 11:18:23,684 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 996 transitions. [2022-11-16 11:18:23,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 996 transitions. [2022-11-16 11:18:23,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:23,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 996 transitions. [2022-11-16 11:18:23,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,692 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,692 INFO L175 Difference]: Start difference. First operand has 314 places, 315 transitions, 642 flow. Second operand 3 states and 996 transitions. [2022-11-16 11:18:23,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 314 transitions, 670 flow [2022-11-16 11:18:23,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 314 transitions, 668 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:18:23,705 INFO L231 Difference]: Finished difference. Result has 314 places, 314 transitions, 642 flow [2022-11-16 11:18:23,706 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=642, PETRI_PLACES=314, PETRI_TRANSITIONS=314} [2022-11-16 11:18:23,709 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -43 predicate places. [2022-11-16 11:18:23,709 INFO L495 AbstractCegarLoop]: Abstraction has has 314 places, 314 transitions, 642 flow [2022-11-16 11:18:23,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,711 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:23,712 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] [2022-11-16 11:18:23,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:18:23,712 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:23,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:23,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1232992532, now seen corresponding path program 1 times [2022-11-16 11:18:23,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:23,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922741486] [2022-11-16 11:18:23,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:23,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:23,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:23,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:23,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922741486] [2022-11-16 11:18:23,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922741486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:23,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:23,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:18:23,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796758652] [2022-11-16 11:18:23,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:23,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:18:23,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:23,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:18:23,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:18:23,765 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 385 [2022-11-16 11:18:23,767 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 314 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,767 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:23,767 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 385 [2022-11-16 11:18:23,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:23,882 INFO L130 PetriNetUnfolder]: 21/424 cut-off events. [2022-11-16 11:18:23,882 INFO L131 PetriNetUnfolder]: For 12/14 co-relation queries the response was YES. [2022-11-16 11:18:23,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 475 conditions, 424 events. 21/424 cut-off events. For 12/14 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1034 event pairs, 7 based on Foata normal form. 0/361 useless extension candidates. Maximal degree in co-relation 408. Up to 33 conditions per place. [2022-11-16 11:18:23,885 INFO L137 encePairwiseOnDemand]: 383/385 looper letters, 13 selfloop transitions, 1 changer transitions 0/313 dead transitions. [2022-11-16 11:18:23,886 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 313 transitions, 668 flow [2022-11-16 11:18:23,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:18:23,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:18:23,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 995 transitions. [2022-11-16 11:18:23,889 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8614718614718615 [2022-11-16 11:18:23,889 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 995 transitions. [2022-11-16 11:18:23,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 995 transitions. [2022-11-16 11:18:23,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:23,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 995 transitions. [2022-11-16 11:18:23,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 331.6666666666667) internal successors, (995), 3 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,895 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,896 INFO L175 Difference]: Start difference. First operand has 314 places, 314 transitions, 642 flow. Second operand 3 states and 995 transitions. [2022-11-16 11:18:23,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 313 transitions, 668 flow [2022-11-16 11:18:23,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 313 transitions, 664 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:18:23,902 INFO L231 Difference]: Finished difference. Result has 313 places, 313 transitions, 638 flow [2022-11-16 11:18:23,903 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=638, PETRI_PLACES=313, PETRI_TRANSITIONS=313} [2022-11-16 11:18:23,904 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -44 predicate places. [2022-11-16 11:18:23,904 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 313 transitions, 638 flow [2022-11-16 11:18:23,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,905 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:23,905 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:18:23,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:18:23,906 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:23,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:23,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1182597749, now seen corresponding path program 1 times [2022-11-16 11:18:23,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:23,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610244383] [2022-11-16 11:18:23,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:23,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:23,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:23,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:23,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610244383] [2022-11-16 11:18:23,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610244383] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:23,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:23,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:18:23,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161567619] [2022-11-16 11:18:23,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:23,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:18:23,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:23,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:18:23,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:18:23,967 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 385 [2022-11-16 11:18:23,968 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 313 transitions, 638 flow. Second operand has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:23,968 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:23,969 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 385 [2022-11-16 11:18:23,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:24,069 INFO L130 PetriNetUnfolder]: 21/423 cut-off events. [2022-11-16 11:18:24,069 INFO L131 PetriNetUnfolder]: For 12/14 co-relation queries the response was YES. [2022-11-16 11:18:24,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 474 conditions, 423 events. 21/423 cut-off events. For 12/14 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1044 event pairs, 7 based on Foata normal form. 0/361 useless extension candidates. Maximal degree in co-relation 408. Up to 35 conditions per place. [2022-11-16 11:18:24,073 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 13 selfloop transitions, 2 changer transitions 0/312 dead transitions. [2022-11-16 11:18:24,073 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 312 transitions, 666 flow [2022-11-16 11:18:24,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:18:24,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:18:24,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 996 transitions. [2022-11-16 11:18:24,076 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8623376623376623 [2022-11-16 11:18:24,076 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 996 transitions. [2022-11-16 11:18:24,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 996 transitions. [2022-11-16 11:18:24,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:24,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 996 transitions. [2022-11-16 11:18:24,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:24,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:24,083 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:24,083 INFO L175 Difference]: Start difference. First operand has 313 places, 313 transitions, 638 flow. Second operand 3 states and 996 transitions. [2022-11-16 11:18:24,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 312 transitions, 666 flow [2022-11-16 11:18:24,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 312 transitions, 665 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:18:24,089 INFO L231 Difference]: Finished difference. Result has 313 places, 312 transitions, 639 flow [2022-11-16 11:18:24,090 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=639, PETRI_PLACES=313, PETRI_TRANSITIONS=312} [2022-11-16 11:18:24,091 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -44 predicate places. [2022-11-16 11:18:24,091 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 312 transitions, 639 flow [2022-11-16 11:18:24,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:24,092 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:24,092 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:18:24,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:18:24,092 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:24,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:24,093 INFO L85 PathProgramCache]: Analyzing trace with hash 124525677, now seen corresponding path program 1 times [2022-11-16 11:18:24,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:24,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789612777] [2022-11-16 11:18:24,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:24,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:24,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:24,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:24,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789612777] [2022-11-16 11:18:24,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789612777] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:24,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:24,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:18:24,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419537742] [2022-11-16 11:18:24,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:24,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:18:24,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:24,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:18:24,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:18:24,637 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 385 [2022-11-16 11:18:24,641 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 312 transitions, 639 flow. Second operand has 6 states, 6 states have (on average 270.8333333333333) internal successors, (1625), 6 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:24,641 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:24,641 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 385 [2022-11-16 11:18:24,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:25,471 INFO L130 PetriNetUnfolder]: 806/2198 cut-off events. [2022-11-16 11:18:25,472 INFO L131 PetriNetUnfolder]: For 210/210 co-relation queries the response was YES. [2022-11-16 11:18:25,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3676 conditions, 2198 events. 806/2198 cut-off events. For 210/210 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 13940 event pairs, 637 based on Foata normal form. 0/1811 useless extension candidates. Maximal degree in co-relation 3611. Up to 1236 conditions per place. [2022-11-16 11:18:25,493 INFO L137 encePairwiseOnDemand]: 373/385 looper letters, 62 selfloop transitions, 10 changer transitions 0/310 dead transitions. [2022-11-16 11:18:25,493 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 310 transitions, 779 flow [2022-11-16 11:18:25,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:18:25,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:18:25,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1687 transitions. [2022-11-16 11:18:25,498 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7303030303030303 [2022-11-16 11:18:25,498 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1687 transitions. [2022-11-16 11:18:25,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1687 transitions. [2022-11-16 11:18:25,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:25,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1687 transitions. [2022-11-16 11:18:25,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 281.1666666666667) internal successors, (1687), 6 states have internal predecessors, (1687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:25,509 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:25,510 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:25,511 INFO L175 Difference]: Start difference. First operand has 313 places, 312 transitions, 639 flow. Second operand 6 states and 1687 transitions. [2022-11-16 11:18:25,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 310 transitions, 779 flow [2022-11-16 11:18:25,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 310 transitions, 775 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:18:25,518 INFO L231 Difference]: Finished difference. Result has 314 places, 310 transitions, 651 flow [2022-11-16 11:18:25,519 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=631, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=651, PETRI_PLACES=314, PETRI_TRANSITIONS=310} [2022-11-16 11:18:25,520 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -43 predicate places. [2022-11-16 11:18:25,520 INFO L495 AbstractCegarLoop]: Abstraction has has 314 places, 310 transitions, 651 flow [2022-11-16 11:18:25,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 270.8333333333333) internal successors, (1625), 6 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:25,521 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:25,521 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:18:25,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:18:25,522 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:25,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:25,522 INFO L85 PathProgramCache]: Analyzing trace with hash 522448368, now seen corresponding path program 1 times [2022-11-16 11:18:25,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:25,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259742455] [2022-11-16 11:18:25,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:25,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:25,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:25,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:25,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259742455] [2022-11-16 11:18:25,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259742455] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:25,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:25,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:18:25,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131985667] [2022-11-16 11:18:25,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:25,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:18:25,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:25,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:18:25,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:18:25,589 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 385 [2022-11-16 11:18:25,590 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 310 transitions, 651 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:25,591 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:25,591 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 385 [2022-11-16 11:18:25,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:25,783 INFO L130 PetriNetUnfolder]: 34/545 cut-off events. [2022-11-16 11:18:25,783 INFO L131 PetriNetUnfolder]: For 16/24 co-relation queries the response was YES. [2022-11-16 11:18:25,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 633 conditions, 545 events. 34/545 cut-off events. For 16/24 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1876 event pairs, 15 based on Foata normal form. 0/461 useless extension candidates. Maximal degree in co-relation 599. Up to 55 conditions per place. [2022-11-16 11:18:25,787 INFO L137 encePairwiseOnDemand]: 381/385 looper letters, 17 selfloop transitions, 1 changer transitions 0/307 dead transitions. [2022-11-16 11:18:25,788 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 307 transitions, 681 flow [2022-11-16 11:18:25,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:18:25,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:18:25,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 983 transitions. [2022-11-16 11:18:25,792 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8510822510822511 [2022-11-16 11:18:25,792 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 983 transitions. [2022-11-16 11:18:25,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 983 transitions. [2022-11-16 11:18:25,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:25,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 983 transitions. [2022-11-16 11:18:25,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 327.6666666666667) internal successors, (983), 3 states have internal predecessors, (983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:25,799 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:25,800 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:25,800 INFO L175 Difference]: Start difference. First operand has 314 places, 310 transitions, 651 flow. Second operand 3 states and 983 transitions. [2022-11-16 11:18:25,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 307 transitions, 681 flow [2022-11-16 11:18:25,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 307 transitions, 661 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-16 11:18:25,807 INFO L231 Difference]: Finished difference. Result has 308 places, 307 transitions, 627 flow [2022-11-16 11:18:25,809 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=627, PETRI_PLACES=308, PETRI_TRANSITIONS=307} [2022-11-16 11:18:25,810 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -49 predicate places. [2022-11-16 11:18:25,810 INFO L495 AbstractCegarLoop]: Abstraction has has 308 places, 307 transitions, 627 flow [2022-11-16 11:18:25,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:25,826 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:25,827 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] [2022-11-16 11:18:25,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:18:25,827 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:25,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:25,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1674378459, now seen corresponding path program 1 times [2022-11-16 11:18:25,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:25,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095095530] [2022-11-16 11:18:25,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:25,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:25,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:25,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:25,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095095530] [2022-11-16 11:18:25,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095095530] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:25,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:25,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:18:25,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026505942] [2022-11-16 11:18:25,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:25,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:18:25,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:25,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:18:25,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:18:25,894 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 385 [2022-11-16 11:18:25,896 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 307 transitions, 627 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:25,896 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:25,896 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 385 [2022-11-16 11:18:25,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:26,049 INFO L130 PetriNetUnfolder]: 55/598 cut-off events. [2022-11-16 11:18:26,049 INFO L131 PetriNetUnfolder]: For 24/32 co-relation queries the response was YES. [2022-11-16 11:18:26,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 598 events. 55/598 cut-off events. For 24/32 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2255 event pairs, 31 based on Foata normal form. 0/503 useless extension candidates. Maximal degree in co-relation 665. Up to 98 conditions per place. [2022-11-16 11:18:26,054 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 22 selfloop transitions, 2 changer transitions 0/306 dead transitions. [2022-11-16 11:18:26,055 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 306 transitions, 673 flow [2022-11-16 11:18:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:18:26,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:18:26,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 978 transitions. [2022-11-16 11:18:26,058 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8467532467532467 [2022-11-16 11:18:26,058 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 978 transitions. [2022-11-16 11:18:26,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 978 transitions. [2022-11-16 11:18:26,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:26,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 978 transitions. [2022-11-16 11:18:26,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.0) internal successors, (978), 3 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:26,063 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:26,064 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:26,064 INFO L175 Difference]: Start difference. First operand has 308 places, 307 transitions, 627 flow. Second operand 3 states and 978 transitions. [2022-11-16 11:18:26,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 306 transitions, 673 flow [2022-11-16 11:18:26,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 306 transitions, 672 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:18:26,071 INFO L231 Difference]: Finished difference. Result has 308 places, 306 transitions, 628 flow [2022-11-16 11:18:26,072 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=308, PETRI_TRANSITIONS=306} [2022-11-16 11:18:26,072 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -49 predicate places. [2022-11-16 11:18:26,073 INFO L495 AbstractCegarLoop]: Abstraction has has 308 places, 306 transitions, 628 flow [2022-11-16 11:18:26,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:26,073 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:26,074 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:18:26,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 11:18:26,074 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:26,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:26,075 INFO L85 PathProgramCache]: Analyzing trace with hash 2098677659, now seen corresponding path program 1 times [2022-11-16 11:18:26,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:26,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439125057] [2022-11-16 11:18:26,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:26,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:26,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:26,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:26,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439125057] [2022-11-16 11:18:26,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439125057] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:26,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:26,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:18:26,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246287470] [2022-11-16 11:18:26,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:26,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:18:26,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:26,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:18:26,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:18:26,142 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 385 [2022-11-16 11:18:26,144 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 306 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:26,144 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:26,144 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 385 [2022-11-16 11:18:26,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:26,294 INFO L130 PetriNetUnfolder]: 45/577 cut-off events. [2022-11-16 11:18:26,294 INFO L131 PetriNetUnfolder]: For 21/27 co-relation queries the response was YES. [2022-11-16 11:18:26,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 682 conditions, 577 events. 45/577 cut-off events. For 21/27 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2102 event pairs, 23 based on Foata normal form. 0/497 useless extension candidates. Maximal degree in co-relation 617. Up to 73 conditions per place. [2022-11-16 11:18:26,299 INFO L137 encePairwiseOnDemand]: 381/385 looper letters, 17 selfloop transitions, 1 changer transitions 0/303 dead transitions. [2022-11-16 11:18:26,299 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 303 transitions, 658 flow [2022-11-16 11:18:26,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:18:26,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:18:26,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 983 transitions. [2022-11-16 11:18:26,302 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8510822510822511 [2022-11-16 11:18:26,302 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 983 transitions. [2022-11-16 11:18:26,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 983 transitions. [2022-11-16 11:18:26,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:26,303 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 983 transitions. [2022-11-16 11:18:26,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 327.6666666666667) internal successors, (983), 3 states have internal predecessors, (983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:26,308 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:26,308 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:26,308 INFO L175 Difference]: Start difference. First operand has 308 places, 306 transitions, 628 flow. Second operand 3 states and 983 transitions. [2022-11-16 11:18:26,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 303 transitions, 658 flow [2022-11-16 11:18:26,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 303 transitions, 654 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:18:26,314 INFO L231 Difference]: Finished difference. Result has 305 places, 303 transitions, 620 flow [2022-11-16 11:18:26,315 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=305, PETRI_TRANSITIONS=303} [2022-11-16 11:18:26,317 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -52 predicate places. [2022-11-16 11:18:26,317 INFO L495 AbstractCegarLoop]: Abstraction has has 305 places, 303 transitions, 620 flow [2022-11-16 11:18:26,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:26,318 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:26,318 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] [2022-11-16 11:18:26,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 11:18:26,319 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:26,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:26,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1839939644, now seen corresponding path program 1 times [2022-11-16 11:18:26,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:26,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598526356] [2022-11-16 11:18:26,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:26,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:26,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:26,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:26,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598526356] [2022-11-16 11:18:26,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598526356] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:26,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:26,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:18:26,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559828143] [2022-11-16 11:18:26,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:26,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:18:26,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:26,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:18:26,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:18:26,933 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 385 [2022-11-16 11:18:26,935 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 303 transitions, 620 flow. Second operand has 6 states, 6 states have (on average 287.3333333333333) internal successors, (1724), 6 states have internal predecessors, (1724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:26,935 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:26,936 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 385 [2022-11-16 11:18:26,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:27,717 INFO L130 PetriNetUnfolder]: 912/2296 cut-off events. [2022-11-16 11:18:27,718 INFO L131 PetriNetUnfolder]: For 238/238 co-relation queries the response was YES. [2022-11-16 11:18:27,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3948 conditions, 2296 events. 912/2296 cut-off events. For 238/238 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 14250 event pairs, 729 based on Foata normal form. 0/1931 useless extension candidates. Maximal degree in co-relation 3882. Up to 1373 conditions per place. [2022-11-16 11:18:27,741 INFO L137 encePairwiseOnDemand]: 380/385 looper letters, 50 selfloop transitions, 4 changer transitions 0/302 dead transitions. [2022-11-16 11:18:27,741 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 302 transitions, 726 flow [2022-11-16 11:18:27,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:18:27,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:18:27,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1770 transitions. [2022-11-16 11:18:27,746 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7662337662337663 [2022-11-16 11:18:27,747 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1770 transitions. [2022-11-16 11:18:27,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1770 transitions. [2022-11-16 11:18:27,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:27,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1770 transitions. [2022-11-16 11:18:27,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 295.0) internal successors, (1770), 6 states have internal predecessors, (1770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:27,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:27,759 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:27,759 INFO L175 Difference]: Start difference. First operand has 305 places, 303 transitions, 620 flow. Second operand 6 states and 1770 transitions. [2022-11-16 11:18:27,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 302 transitions, 726 flow [2022-11-16 11:18:27,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 302 transitions, 725 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:18:27,767 INFO L231 Difference]: Finished difference. Result has 308 places, 302 transitions, 625 flow [2022-11-16 11:18:27,768 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=617, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=625, PETRI_PLACES=308, PETRI_TRANSITIONS=302} [2022-11-16 11:18:27,768 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -49 predicate places. [2022-11-16 11:18:27,769 INFO L495 AbstractCegarLoop]: Abstraction has has 308 places, 302 transitions, 625 flow [2022-11-16 11:18:27,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 287.3333333333333) internal successors, (1724), 6 states have internal predecessors, (1724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:27,770 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:27,770 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] [2022-11-16 11:18:27,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 11:18:27,770 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:27,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:27,771 INFO L85 PathProgramCache]: Analyzing trace with hash 726766288, now seen corresponding path program 1 times [2022-11-16 11:18:27,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:27,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612017612] [2022-11-16 11:18:27,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:27,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:27,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:27,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:27,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612017612] [2022-11-16 11:18:27,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612017612] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:27,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:27,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:18:27,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637420493] [2022-11-16 11:18:27,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:27,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:18:27,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:27,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:18:27,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:18:27,844 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 385 [2022-11-16 11:18:27,845 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 302 transitions, 625 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:27,846 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:27,846 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 385 [2022-11-16 11:18:27,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:27,979 INFO L130 PetriNetUnfolder]: 39/430 cut-off events. [2022-11-16 11:18:27,979 INFO L131 PetriNetUnfolder]: For 18/20 co-relation queries the response was YES. [2022-11-16 11:18:27,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 526 conditions, 430 events. 39/430 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1343 event pairs, 19 based on Foata normal form. 0/372 useless extension candidates. Maximal degree in co-relation 460. Up to 74 conditions per place. [2022-11-16 11:18:27,983 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 22 selfloop transitions, 2 changer transitions 0/301 dead transitions. [2022-11-16 11:18:27,983 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 301 transitions, 671 flow [2022-11-16 11:18:27,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:18:27,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:18:27,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 978 transitions. [2022-11-16 11:18:27,987 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8467532467532467 [2022-11-16 11:18:27,987 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 978 transitions. [2022-11-16 11:18:27,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 978 transitions. [2022-11-16 11:18:27,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:27,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 978 transitions. [2022-11-16 11:18:27,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.0) internal successors, (978), 3 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:27,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:27,995 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:27,995 INFO L175 Difference]: Start difference. First operand has 308 places, 302 transitions, 625 flow. Second operand 3 states and 978 transitions. [2022-11-16 11:18:27,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 301 transitions, 671 flow [2022-11-16 11:18:27,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 301 transitions, 664 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:18:28,003 INFO L231 Difference]: Finished difference. Result has 305 places, 301 transitions, 620 flow [2022-11-16 11:18:28,004 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=305, PETRI_TRANSITIONS=301} [2022-11-16 11:18:28,004 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -52 predicate places. [2022-11-16 11:18:28,005 INFO L495 AbstractCegarLoop]: Abstraction has has 305 places, 301 transitions, 620 flow [2022-11-16 11:18:28,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:28,005 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:28,006 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:18:28,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 11:18:28,006 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:28,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:28,007 INFO L85 PathProgramCache]: Analyzing trace with hash 835751653, now seen corresponding path program 1 times [2022-11-16 11:18:28,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:28,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588229314] [2022-11-16 11:18:28,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:28,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:28,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:28,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:28,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588229314] [2022-11-16 11:18:28,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588229314] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:28,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:28,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:18:28,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651855899] [2022-11-16 11:18:28,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:28,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:18:28,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:28,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:18:28,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:18:28,082 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 385 [2022-11-16 11:18:28,084 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 301 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:28,084 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:28,084 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 385 [2022-11-16 11:18:28,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:28,226 INFO L130 PetriNetUnfolder]: 42/486 cut-off events. [2022-11-16 11:18:28,226 INFO L131 PetriNetUnfolder]: For 19/21 co-relation queries the response was YES. [2022-11-16 11:18:28,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 580 conditions, 486 events. 42/486 cut-off events. For 19/21 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1591 event pairs, 9 based on Foata normal form. 0/422 useless extension candidates. Maximal degree in co-relation 515. Up to 38 conditions per place. [2022-11-16 11:18:28,231 INFO L137 encePairwiseOnDemand]: 380/385 looper letters, 22 selfloop transitions, 3 changer transitions 0/305 dead transitions. [2022-11-16 11:18:28,231 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 305 transitions, 680 flow [2022-11-16 11:18:28,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:18:28,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:18:28,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 990 transitions. [2022-11-16 11:18:28,234 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8571428571428571 [2022-11-16 11:18:28,235 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 990 transitions. [2022-11-16 11:18:28,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 990 transitions. [2022-11-16 11:18:28,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:28,236 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 990 transitions. [2022-11-16 11:18:28,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:28,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:28,241 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:28,241 INFO L175 Difference]: Start difference. First operand has 305 places, 301 transitions, 620 flow. Second operand 3 states and 990 transitions. [2022-11-16 11:18:28,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 305 transitions, 680 flow [2022-11-16 11:18:28,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 305 transitions, 676 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:18:28,249 INFO L231 Difference]: Finished difference. Result has 305 places, 301 transitions, 632 flow [2022-11-16 11:18:28,249 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=632, PETRI_PLACES=305, PETRI_TRANSITIONS=301} [2022-11-16 11:18:28,250 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -52 predicate places. [2022-11-16 11:18:28,250 INFO L495 AbstractCegarLoop]: Abstraction has has 305 places, 301 transitions, 632 flow [2022-11-16 11:18:28,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:28,251 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:28,251 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] [2022-11-16 11:18:28,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 11:18:28,252 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:28,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:28,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1448494010, now seen corresponding path program 1 times [2022-11-16 11:18:28,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:28,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985164461] [2022-11-16 11:18:28,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:28,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:28,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:28,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:28,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985164461] [2022-11-16 11:18:28,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985164461] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:28,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:28,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:18:28,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863110749] [2022-11-16 11:18:28,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:28,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:18:28,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:28,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:18:28,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:18:28,311 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 385 [2022-11-16 11:18:28,312 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 301 transitions, 632 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:28,312 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:28,312 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 385 [2022-11-16 11:18:28,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:28,488 INFO L130 PetriNetUnfolder]: 62/630 cut-off events. [2022-11-16 11:18:28,488 INFO L131 PetriNetUnfolder]: For 32/34 co-relation queries the response was YES. [2022-11-16 11:18:28,490 INFO L83 FinitePrefix]: Finished finitePrefix Result has 792 conditions, 630 events. 62/630 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2463 event pairs, 39 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 725. Up to 104 conditions per place. [2022-11-16 11:18:28,493 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 19 selfloop transitions, 2 changer transitions 0/300 dead transitions. [2022-11-16 11:18:28,494 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 300 transitions, 672 flow [2022-11-16 11:18:28,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:18:28,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:18:28,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 984 transitions. [2022-11-16 11:18:28,496 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8519480519480519 [2022-11-16 11:18:28,496 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 984 transitions. [2022-11-16 11:18:28,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 984 transitions. [2022-11-16 11:18:28,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:28,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 984 transitions. [2022-11-16 11:18:28,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:28,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:28,502 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:28,502 INFO L175 Difference]: Start difference. First operand has 305 places, 301 transitions, 632 flow. Second operand 3 states and 984 transitions. [2022-11-16 11:18:28,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 300 transitions, 672 flow [2022-11-16 11:18:28,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 300 transitions, 666 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:18:28,509 INFO L231 Difference]: Finished difference. Result has 304 places, 300 transitions, 628 flow [2022-11-16 11:18:28,509 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=304, PETRI_TRANSITIONS=300} [2022-11-16 11:18:28,510 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -53 predicate places. [2022-11-16 11:18:28,510 INFO L495 AbstractCegarLoop]: Abstraction has has 304 places, 300 transitions, 628 flow [2022-11-16 11:18:28,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:28,510 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:28,511 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] [2022-11-16 11:18:28,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 11:18:28,511 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:28,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:28,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1224489110, now seen corresponding path program 1 times [2022-11-16 11:18:28,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:28,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516425328] [2022-11-16 11:18:28,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:28,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:28,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:28,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:28,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516425328] [2022-11-16 11:18:28,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516425328] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:28,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:28,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:18:28,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391426388] [2022-11-16 11:18:28,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:28,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:18:28,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:28,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:18:28,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:18:28,574 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 385 [2022-11-16 11:18:28,575 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 300 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 325.0) internal successors, (975), 3 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:28,575 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:28,575 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 385 [2022-11-16 11:18:28,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:28,735 INFO L130 PetriNetUnfolder]: 71/795 cut-off events. [2022-11-16 11:18:28,735 INFO L131 PetriNetUnfolder]: For 27/36 co-relation queries the response was YES. [2022-11-16 11:18:28,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 964 conditions, 795 events. 71/795 cut-off events. For 27/36 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3671 event pairs, 28 based on Foata normal form. 1/691 useless extension candidates. Maximal degree in co-relation 898. Up to 97 conditions per place. [2022-11-16 11:18:28,742 INFO L137 encePairwiseOnDemand]: 378/385 looper letters, 18 selfloop transitions, 4 changer transitions 0/303 dead transitions. [2022-11-16 11:18:28,742 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 303 transitions, 683 flow [2022-11-16 11:18:28,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:18:28,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:18:28,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 995 transitions. [2022-11-16 11:18:28,745 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8614718614718615 [2022-11-16 11:18:28,745 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 995 transitions. [2022-11-16 11:18:28,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 995 transitions. [2022-11-16 11:18:28,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:28,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 995 transitions. [2022-11-16 11:18:28,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 331.6666666666667) internal successors, (995), 3 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:28,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:28,751 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:28,751 INFO L175 Difference]: Start difference. First operand has 304 places, 300 transitions, 628 flow. Second operand 3 states and 995 transitions. [2022-11-16 11:18:28,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 303 transitions, 683 flow [2022-11-16 11:18:28,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 303 transitions, 679 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:18:28,757 INFO L231 Difference]: Finished difference. Result has 302 places, 300 transitions, 642 flow [2022-11-16 11:18:28,758 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=642, PETRI_PLACES=302, PETRI_TRANSITIONS=300} [2022-11-16 11:18:28,758 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -55 predicate places. [2022-11-16 11:18:28,758 INFO L495 AbstractCegarLoop]: Abstraction has has 302 places, 300 transitions, 642 flow [2022-11-16 11:18:28,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.0) internal successors, (975), 3 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:28,759 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:28,759 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] [2022-11-16 11:18:28,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 11:18:28,760 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:28,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:28,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1458795462, now seen corresponding path program 1 times [2022-11-16 11:18:28,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:28,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659398649] [2022-11-16 11:18:28,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:28,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:28,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:28,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:28,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659398649] [2022-11-16 11:18:28,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659398649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:28,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:28,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:18:28,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291382848] [2022-11-16 11:18:28,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:28,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:18:28,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:28,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:18:28,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:18:28,835 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 385 [2022-11-16 11:18:28,836 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 300 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 323.6666666666667) internal successors, (971), 3 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:28,836 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:28,836 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 385 [2022-11-16 11:18:28,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:28,971 INFO L130 PetriNetUnfolder]: 69/596 cut-off events. [2022-11-16 11:18:28,971 INFO L131 PetriNetUnfolder]: For 79/96 co-relation queries the response was YES. [2022-11-16 11:18:28,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 807 conditions, 596 events. 69/596 cut-off events. For 79/96 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2617 event pairs, 29 based on Foata normal form. 3/524 useless extension candidates. Maximal degree in co-relation 739. Up to 92 conditions per place. [2022-11-16 11:18:28,976 INFO L137 encePairwiseOnDemand]: 380/385 looper letters, 19 selfloop transitions, 2 changer transitions 3/301 dead transitions. [2022-11-16 11:18:28,976 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 301 transitions, 694 flow [2022-11-16 11:18:28,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:18:28,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:18:28,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 985 transitions. [2022-11-16 11:18:28,979 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8528138528138528 [2022-11-16 11:18:28,979 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 985 transitions. [2022-11-16 11:18:28,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 985 transitions. [2022-11-16 11:18:28,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:28,980 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 985 transitions. [2022-11-16 11:18:28,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:28,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:28,985 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:28,985 INFO L175 Difference]: Start difference. First operand has 302 places, 300 transitions, 642 flow. Second operand 3 states and 985 transitions. [2022-11-16 11:18:28,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 301 transitions, 694 flow [2022-11-16 11:18:28,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 301 transitions, 689 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:18:28,992 INFO L231 Difference]: Finished difference. Result has 301 places, 295 transitions, 631 flow [2022-11-16 11:18:28,993 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=631, PETRI_PLACES=301, PETRI_TRANSITIONS=295} [2022-11-16 11:18:28,994 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -56 predicate places. [2022-11-16 11:18:28,994 INFO L495 AbstractCegarLoop]: Abstraction has has 301 places, 295 transitions, 631 flow [2022-11-16 11:18:28,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 323.6666666666667) internal successors, (971), 3 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:28,995 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:28,995 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:18:28,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-16 11:18:28,996 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:28,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:28,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1758324941, now seen corresponding path program 1 times [2022-11-16 11:18:28,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:28,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11525627] [2022-11-16 11:18:28,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:28,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:29,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:29,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:29,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11525627] [2022-11-16 11:18:29,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11525627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:29,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:29,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:18:29,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628732265] [2022-11-16 11:18:29,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:29,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:18:29,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:29,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:18:29,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:18:29,560 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 385 [2022-11-16 11:18:29,562 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 295 transitions, 631 flow. Second operand has 6 states, 6 states have (on average 287.6666666666667) internal successors, (1726), 6 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:29,562 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:29,563 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 385 [2022-11-16 11:18:29,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:30,591 INFO L130 PetriNetUnfolder]: 939/2252 cut-off events. [2022-11-16 11:18:30,592 INFO L131 PetriNetUnfolder]: For 502/563 co-relation queries the response was YES. [2022-11-16 11:18:30,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4354 conditions, 2252 events. 939/2252 cut-off events. For 502/563 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 14817 event pairs, 198 based on Foata normal form. 0/2010 useless extension candidates. Maximal degree in co-relation 4285. Up to 485 conditions per place. [2022-11-16 11:18:30,618 INFO L137 encePairwiseOnDemand]: 380/385 looper letters, 129 selfloop transitions, 4 changer transitions 0/374 dead transitions. [2022-11-16 11:18:30,619 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 374 transitions, 1111 flow [2022-11-16 11:18:30,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:18:30,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:18:30,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1829 transitions. [2022-11-16 11:18:30,624 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7917748917748918 [2022-11-16 11:18:30,624 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1829 transitions. [2022-11-16 11:18:30,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1829 transitions. [2022-11-16 11:18:30,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:30,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1829 transitions. [2022-11-16 11:18:30,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 304.8333333333333) internal successors, (1829), 6 states have internal predecessors, (1829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:30,633 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:30,634 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:30,634 INFO L175 Difference]: Start difference. First operand has 301 places, 295 transitions, 631 flow. Second operand 6 states and 1829 transitions. [2022-11-16 11:18:30,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 374 transitions, 1111 flow [2022-11-16 11:18:30,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 374 transitions, 1107 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:18:30,642 INFO L231 Difference]: Finished difference. Result has 300 places, 294 transitions, 633 flow [2022-11-16 11:18:30,642 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=633, PETRI_PLACES=300, PETRI_TRANSITIONS=294} [2022-11-16 11:18:30,643 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -57 predicate places. [2022-11-16 11:18:30,643 INFO L495 AbstractCegarLoop]: Abstraction has has 300 places, 294 transitions, 633 flow [2022-11-16 11:18:30,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 287.6666666666667) internal successors, (1726), 6 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:30,644 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:30,644 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] [2022-11-16 11:18:30,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-16 11:18:30,645 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:30,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:30,645 INFO L85 PathProgramCache]: Analyzing trace with hash 967572769, now seen corresponding path program 1 times [2022-11-16 11:18:30,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:30,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114102763] [2022-11-16 11:18:30,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:30,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:30,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:30,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:30,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114102763] [2022-11-16 11:18:30,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114102763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:30,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:30,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:18:30,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119361716] [2022-11-16 11:18:30,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:30,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:18:30,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:30,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:18:30,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:18:30,976 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 385 [2022-11-16 11:18:30,978 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 294 transitions, 633 flow. Second operand has 7 states, 7 states have (on average 281.0) internal successors, (1967), 7 states have internal predecessors, (1967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:30,979 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:30,979 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 385 [2022-11-16 11:18:30,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:31,675 INFO L130 PetriNetUnfolder]: 246/1607 cut-off events. [2022-11-16 11:18:31,675 INFO L131 PetriNetUnfolder]: For 199/249 co-relation queries the response was YES. [2022-11-16 11:18:31,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2412 conditions, 1607 events. 246/1607 cut-off events. For 199/249 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 10203 event pairs, 89 based on Foata normal form. 2/1416 useless extension candidates. Maximal degree in co-relation 2342. Up to 219 conditions per place. [2022-11-16 11:18:31,692 INFO L137 encePairwiseOnDemand]: 374/385 looper letters, 105 selfloop transitions, 10 changer transitions 0/344 dead transitions. [2022-11-16 11:18:31,693 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 344 transitions, 999 flow [2022-11-16 11:18:31,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:18:31,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-16 11:18:31,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2601 transitions. [2022-11-16 11:18:31,700 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7506493506493507 [2022-11-16 11:18:31,701 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2601 transitions. [2022-11-16 11:18:31,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2601 transitions. [2022-11-16 11:18:31,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:31,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2601 transitions. [2022-11-16 11:18:31,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 289.0) internal successors, (2601), 9 states have internal predecessors, (2601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:31,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 385.0) internal successors, (3850), 10 states have internal predecessors, (3850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:31,719 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 385.0) internal successors, (3850), 10 states have internal predecessors, (3850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:31,719 INFO L175 Difference]: Start difference. First operand has 300 places, 294 transitions, 633 flow. Second operand 9 states and 2601 transitions. [2022-11-16 11:18:31,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 344 transitions, 999 flow [2022-11-16 11:18:31,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 344 transitions, 992 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:18:31,728 INFO L231 Difference]: Finished difference. Result has 307 places, 298 transitions, 675 flow [2022-11-16 11:18:31,729 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=675, PETRI_PLACES=307, PETRI_TRANSITIONS=298} [2022-11-16 11:18:31,729 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -50 predicate places. [2022-11-16 11:18:31,730 INFO L495 AbstractCegarLoop]: Abstraction has has 307 places, 298 transitions, 675 flow [2022-11-16 11:18:31,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 281.0) internal successors, (1967), 7 states have internal predecessors, (1967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:31,731 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:31,731 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] [2022-11-16 11:18:31,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-16 11:18:31,732 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:31,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:31,732 INFO L85 PathProgramCache]: Analyzing trace with hash -44337887, now seen corresponding path program 1 times [2022-11-16 11:18:31,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:31,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737746320] [2022-11-16 11:18:31,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:31,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:31,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:31,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:31,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737746320] [2022-11-16 11:18:31,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737746320] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:31,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:31,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:18:31,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243085727] [2022-11-16 11:18:31,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:31,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:18:31,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:31,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:18:31,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:18:31,820 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 385 [2022-11-16 11:18:31,821 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 298 transitions, 675 flow. Second operand has 3 states, 3 states have (on average 329.0) internal successors, (987), 3 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:31,821 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:31,821 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 385 [2022-11-16 11:18:31,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:32,095 INFO L130 PetriNetUnfolder]: 122/1239 cut-off events. [2022-11-16 11:18:32,097 INFO L131 PetriNetUnfolder]: For 148/178 co-relation queries the response was YES. [2022-11-16 11:18:32,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1673 conditions, 1239 events. 122/1239 cut-off events. For 148/178 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 7611 event pairs, 21 based on Foata normal form. 6/1117 useless extension candidates. Maximal degree in co-relation 1600. Up to 145 conditions per place. [2022-11-16 11:18:32,106 INFO L137 encePairwiseOnDemand]: 380/385 looper letters, 18 selfloop transitions, 3 changer transitions 0/301 dead transitions. [2022-11-16 11:18:32,106 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 301 transitions, 733 flow [2022-11-16 11:18:32,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:18:32,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:18:32,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1000 transitions. [2022-11-16 11:18:32,110 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8658008658008658 [2022-11-16 11:18:32,110 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1000 transitions. [2022-11-16 11:18:32,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1000 transitions. [2022-11-16 11:18:32,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:32,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1000 transitions. [2022-11-16 11:18:32,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 333.3333333333333) internal successors, (1000), 3 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:32,115 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:32,115 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:32,116 INFO L175 Difference]: Start difference. First operand has 307 places, 298 transitions, 675 flow. Second operand 3 states and 1000 transitions. [2022-11-16 11:18:32,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 301 transitions, 733 flow [2022-11-16 11:18:32,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 301 transitions, 722 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:18:32,123 INFO L231 Difference]: Finished difference. Result has 304 places, 297 transitions, 674 flow [2022-11-16 11:18:32,123 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=661, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=674, PETRI_PLACES=304, PETRI_TRANSITIONS=297} [2022-11-16 11:18:32,124 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -53 predicate places. [2022-11-16 11:18:32,124 INFO L495 AbstractCegarLoop]: Abstraction has has 304 places, 297 transitions, 674 flow [2022-11-16 11:18:32,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 329.0) internal successors, (987), 3 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:32,125 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:32,125 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] [2022-11-16 11:18:32,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-16 11:18:32,125 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:32,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:32,126 INFO L85 PathProgramCache]: Analyzing trace with hash -43383581, now seen corresponding path program 1 times [2022-11-16 11:18:32,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:32,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139021474] [2022-11-16 11:18:32,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:32,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:32,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:32,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:32,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139021474] [2022-11-16 11:18:32,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139021474] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:32,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:32,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:18:32,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018321138] [2022-11-16 11:18:32,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:32,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:18:32,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:32,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:18:32,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:18:32,227 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 385 [2022-11-16 11:18:32,229 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 297 transitions, 674 flow. Second operand has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:32,229 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:32,229 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 385 [2022-11-16 11:18:32,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:32,533 INFO L130 PetriNetUnfolder]: 195/1280 cut-off events. [2022-11-16 11:18:32,534 INFO L131 PetriNetUnfolder]: For 304/360 co-relation queries the response was YES. [2022-11-16 11:18:32,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2015 conditions, 1280 events. 195/1280 cut-off events. For 304/360 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 8267 event pairs, 92 based on Foata normal form. 13/1182 useless extension candidates. Maximal degree in co-relation 1943. Up to 286 conditions per place. [2022-11-16 11:18:32,544 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 22 selfloop transitions, 2 changer transitions 0/300 dead transitions. [2022-11-16 11:18:32,544 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 300 transitions, 737 flow [2022-11-16 11:18:32,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:18:32,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:18:32,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 977 transitions. [2022-11-16 11:18:32,547 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8458874458874459 [2022-11-16 11:18:32,548 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 977 transitions. [2022-11-16 11:18:32,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 977 transitions. [2022-11-16 11:18:32,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:32,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 977 transitions. [2022-11-16 11:18:32,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:32,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:32,554 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:32,554 INFO L175 Difference]: Start difference. First operand has 304 places, 297 transitions, 674 flow. Second operand 3 states and 977 transitions. [2022-11-16 11:18:32,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 300 transitions, 737 flow [2022-11-16 11:18:32,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 300 transitions, 730 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-11-16 11:18:32,561 INFO L231 Difference]: Finished difference. Result has 303 places, 296 transitions, 669 flow [2022-11-16 11:18:32,562 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=665, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=669, PETRI_PLACES=303, PETRI_TRANSITIONS=296} [2022-11-16 11:18:32,562 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -54 predicate places. [2022-11-16 11:18:32,562 INFO L495 AbstractCegarLoop]: Abstraction has has 303 places, 296 transitions, 669 flow [2022-11-16 11:18:32,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:32,563 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:32,563 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:18:32,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-16 11:18:32,564 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:32,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:32,564 INFO L85 PathProgramCache]: Analyzing trace with hash -113910743, now seen corresponding path program 1 times [2022-11-16 11:18:32,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:32,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367357115] [2022-11-16 11:18:32,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:32,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:32,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:32,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:32,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367357115] [2022-11-16 11:18:32,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367357115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:32,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:32,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:18:32,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608046112] [2022-11-16 11:18:32,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:32,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:18:32,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:32,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:18:32,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:18:32,631 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 385 [2022-11-16 11:18:32,632 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 296 transitions, 669 flow. Second operand has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:32,632 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:32,633 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 385 [2022-11-16 11:18:32,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:32,950 INFO L130 PetriNetUnfolder]: 131/1198 cut-off events. [2022-11-16 11:18:32,950 INFO L131 PetriNetUnfolder]: For 172/207 co-relation queries the response was YES. [2022-11-16 11:18:32,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1766 conditions, 1198 events. 131/1198 cut-off events. For 172/207 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 7068 event pairs, 59 based on Foata normal form. 7/1120 useless extension candidates. Maximal degree in co-relation 1696. Up to 209 conditions per place. [2022-11-16 11:18:32,960 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 25 selfloop transitions, 3 changer transitions 0/299 dead transitions. [2022-11-16 11:18:32,960 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 299 transitions, 740 flow [2022-11-16 11:18:32,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:18:32,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:18:32,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 979 transitions. [2022-11-16 11:18:32,963 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8476190476190476 [2022-11-16 11:18:32,964 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 979 transitions. [2022-11-16 11:18:32,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 979 transitions. [2022-11-16 11:18:32,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:32,965 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 979 transitions. [2022-11-16 11:18:32,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:32,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:32,970 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:32,970 INFO L175 Difference]: Start difference. First operand has 303 places, 296 transitions, 669 flow. Second operand 3 states and 979 transitions. [2022-11-16 11:18:32,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 299 transitions, 740 flow [2022-11-16 11:18:32,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 299 transitions, 736 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:18:32,977 INFO L231 Difference]: Finished difference. Result has 302 places, 295 transitions, 669 flow [2022-11-16 11:18:32,978 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=663, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=669, PETRI_PLACES=302, PETRI_TRANSITIONS=295} [2022-11-16 11:18:32,979 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -55 predicate places. [2022-11-16 11:18:32,979 INFO L495 AbstractCegarLoop]: Abstraction has has 302 places, 295 transitions, 669 flow [2022-11-16 11:18:32,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:32,980 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:32,980 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:18:32,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-16 11:18:32,980 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:32,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:32,981 INFO L85 PathProgramCache]: Analyzing trace with hash 225378769, now seen corresponding path program 1 times [2022-11-16 11:18:32,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:32,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541212823] [2022-11-16 11:18:32,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:32,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:33,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:33,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:33,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541212823] [2022-11-16 11:18:33,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541212823] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:33,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:33,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:18:33,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484615383] [2022-11-16 11:18:33,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:33,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:18:33,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:33,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:18:33,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:18:33,525 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 385 [2022-11-16 11:18:33,527 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 295 transitions, 669 flow. Second operand has 6 states, 6 states have (on average 288.6666666666667) internal successors, (1732), 6 states have internal predecessors, (1732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:33,527 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:33,527 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 385 [2022-11-16 11:18:33,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:35,078 INFO L130 PetriNetUnfolder]: 1733/5527 cut-off events. [2022-11-16 11:18:35,079 INFO L131 PetriNetUnfolder]: For 1078/1522 co-relation queries the response was YES. [2022-11-16 11:18:35,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9544 conditions, 5527 events. 1733/5527 cut-off events. For 1078/1522 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 46632 event pairs, 1501 based on Foata normal form. 0/5050 useless extension candidates. Maximal degree in co-relation 9472. Up to 2597 conditions per place. [2022-11-16 11:18:35,133 INFO L137 encePairwiseOnDemand]: 380/385 looper letters, 65 selfloop transitions, 4 changer transitions 1/310 dead transitions. [2022-11-16 11:18:35,134 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 310 transitions, 865 flow [2022-11-16 11:18:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:18:35,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:18:35,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1772 transitions. [2022-11-16 11:18:35,139 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7670995670995671 [2022-11-16 11:18:35,139 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1772 transitions. [2022-11-16 11:18:35,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1772 transitions. [2022-11-16 11:18:35,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:35,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1772 transitions. [2022-11-16 11:18:35,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 295.3333333333333) internal successors, (1772), 6 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:35,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:35,150 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:35,150 INFO L175 Difference]: Start difference. First operand has 302 places, 295 transitions, 669 flow. Second operand 6 states and 1772 transitions. [2022-11-16 11:18:35,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 310 transitions, 865 flow [2022-11-16 11:18:35,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 310 transitions, 859 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:18:35,158 INFO L231 Difference]: Finished difference. Result has 304 places, 293 transitions, 663 flow [2022-11-16 11:18:35,158 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=661, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=663, PETRI_PLACES=304, PETRI_TRANSITIONS=293} [2022-11-16 11:18:35,159 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -53 predicate places. [2022-11-16 11:18:35,159 INFO L495 AbstractCegarLoop]: Abstraction has has 304 places, 293 transitions, 663 flow [2022-11-16 11:18:35,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 288.6666666666667) internal successors, (1732), 6 states have internal predecessors, (1732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:35,160 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:35,160 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:18:35,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-16 11:18:35,160 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:35,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:35,161 INFO L85 PathProgramCache]: Analyzing trace with hash 734766245, now seen corresponding path program 1 times [2022-11-16 11:18:35,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:35,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035453699] [2022-11-16 11:18:35,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:35,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:35,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:18:35,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:35,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035453699] [2022-11-16 11:18:35,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035453699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:35,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:35,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:18:35,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520481295] [2022-11-16 11:18:35,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:35,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:18:35,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:35,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:18:35,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:18:35,804 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 385 [2022-11-16 11:18:35,807 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 293 transitions, 663 flow. Second operand has 6 states, 6 states have (on average 286.6666666666667) internal successors, (1720), 6 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:35,807 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:35,807 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 385 [2022-11-16 11:18:35,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:37,353 INFO L130 PetriNetUnfolder]: 1840/5139 cut-off events. [2022-11-16 11:18:37,353 INFO L131 PetriNetUnfolder]: For 1220/1434 co-relation queries the response was YES. [2022-11-16 11:18:37,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9368 conditions, 5139 events. 1840/5139 cut-off events. For 1220/1434 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 42039 event pairs, 487 based on Foata normal form. 8/4763 useless extension candidates. Maximal degree in co-relation 9296. Up to 1458 conditions per place. [2022-11-16 11:18:37,410 INFO L137 encePairwiseOnDemand]: 378/385 looper letters, 90 selfloop transitions, 6 changer transitions 0/331 dead transitions. [2022-11-16 11:18:37,410 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 331 transitions, 967 flow [2022-11-16 11:18:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:18:37,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:18:37,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1787 transitions. [2022-11-16 11:18:37,416 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7735930735930736 [2022-11-16 11:18:37,416 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1787 transitions. [2022-11-16 11:18:37,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1787 transitions. [2022-11-16 11:18:37,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:37,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1787 transitions. [2022-11-16 11:18:37,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 297.8333333333333) internal successors, (1787), 6 states have internal predecessors, (1787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:37,429 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:37,430 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:37,431 INFO L175 Difference]: Start difference. First operand has 304 places, 293 transitions, 663 flow. Second operand 6 states and 1787 transitions. [2022-11-16 11:18:37,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 331 transitions, 967 flow [2022-11-16 11:18:37,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 331 transitions, 958 flow, removed 1 selfloop flow, removed 5 redundant places. [2022-11-16 11:18:37,440 INFO L231 Difference]: Finished difference. Result has 301 places, 291 transitions, 662 flow [2022-11-16 11:18:37,440 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=662, PETRI_PLACES=301, PETRI_TRANSITIONS=291} [2022-11-16 11:18:37,441 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -56 predicate places. [2022-11-16 11:18:37,441 INFO L495 AbstractCegarLoop]: Abstraction has has 301 places, 291 transitions, 662 flow [2022-11-16 11:18:37,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 286.6666666666667) internal successors, (1720), 6 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:37,442 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:37,443 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:18:37,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-16 11:18:37,443 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:37,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:37,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1735766471, now seen corresponding path program 1 times [2022-11-16 11:18:37,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:37,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485994273] [2022-11-16 11:18:37,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:37,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:37,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:18:37,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:37,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485994273] [2022-11-16 11:18:37,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485994273] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:37,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:37,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:18:37,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864953865] [2022-11-16 11:18:37,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:37,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:18:37,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:37,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:18:37,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:18:37,517 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 385 [2022-11-16 11:18:37,518 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 291 transitions, 662 flow. Second operand has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:37,519 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:37,519 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 385 [2022-11-16 11:18:37,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:37,847 INFO L130 PetriNetUnfolder]: 131/1363 cut-off events. [2022-11-16 11:18:37,847 INFO L131 PetriNetUnfolder]: For 240/249 co-relation queries the response was YES. [2022-11-16 11:18:37,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1913 conditions, 1363 events. 131/1363 cut-off events. For 240/249 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 8100 event pairs, 43 based on Foata normal form. 0/1299 useless extension candidates. Maximal degree in co-relation 1844. Up to 119 conditions per place. [2022-11-16 11:18:37,860 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 28 selfloop transitions, 2 changer transitions 0/301 dead transitions. [2022-11-16 11:18:37,860 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 301 transitions, 767 flow [2022-11-16 11:18:37,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:18:37,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:18:37,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 995 transitions. [2022-11-16 11:18:37,863 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8614718614718615 [2022-11-16 11:18:37,863 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 995 transitions. [2022-11-16 11:18:37,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 995 transitions. [2022-11-16 11:18:37,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:37,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 995 transitions. [2022-11-16 11:18:37,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 331.6666666666667) internal successors, (995), 3 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:37,871 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:37,872 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:37,872 INFO L175 Difference]: Start difference. First operand has 301 places, 291 transitions, 662 flow. Second operand 3 states and 995 transitions. [2022-11-16 11:18:37,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 301 transitions, 767 flow [2022-11-16 11:18:37,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 301 transitions, 751 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-16 11:18:37,879 INFO L231 Difference]: Finished difference. Result has 298 places, 291 transitions, 658 flow [2022-11-16 11:18:37,880 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=658, PETRI_PLACES=298, PETRI_TRANSITIONS=291} [2022-11-16 11:18:37,881 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -59 predicate places. [2022-11-16 11:18:37,881 INFO L495 AbstractCegarLoop]: Abstraction has has 298 places, 291 transitions, 658 flow [2022-11-16 11:18:37,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:37,882 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:18:37,882 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] [2022-11-16 11:18:37,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-16 11:18:37,883 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread1Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-11-16 11:18:37,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:37,883 INFO L85 PathProgramCache]: Analyzing trace with hash -680163129, now seen corresponding path program 1 times [2022-11-16 11:18:37,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:37,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19706710] [2022-11-16 11:18:37,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:37,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:37,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:18:37,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:37,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19706710] [2022-11-16 11:18:37,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19706710] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:37,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:37,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:18:37,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173005989] [2022-11-16 11:18:37,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:37,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:18:37,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:37,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:18:37,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:18:37,986 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 385 [2022-11-16 11:18:37,988 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 291 transitions, 658 flow. Second operand has 3 states, 3 states have (on average 325.0) internal successors, (975), 3 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:37,988 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:18:37,988 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 385 [2022-11-16 11:18:37,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:18:38,299 INFO L130 PetriNetUnfolder]: 138/1298 cut-off events. [2022-11-16 11:18:38,299 INFO L131 PetriNetUnfolder]: For 183/194 co-relation queries the response was YES. [2022-11-16 11:18:38,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1835 conditions, 1298 events. 138/1298 cut-off events. For 183/194 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 7805 event pairs, 72 based on Foata normal form. 0/1252 useless extension candidates. Maximal degree in co-relation 1766. Up to 200 conditions per place. [2022-11-16 11:18:38,306 INFO L137 encePairwiseOnDemand]: 382/385 looper letters, 0 selfloop transitions, 0 changer transitions 295/295 dead transitions. [2022-11-16 11:18:38,307 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 295 transitions, 726 flow [2022-11-16 11:18:38,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:18:38,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:18:38,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 987 transitions. [2022-11-16 11:18:38,311 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8545454545454545 [2022-11-16 11:18:38,312 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 987 transitions. [2022-11-16 11:18:38,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 987 transitions. [2022-11-16 11:18:38,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:18:38,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 987 transitions. [2022-11-16 11:18:38,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 329.0) internal successors, (987), 3 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:38,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:38,318 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:38,318 INFO L175 Difference]: Start difference. First operand has 298 places, 291 transitions, 658 flow. Second operand 3 states and 987 transitions. [2022-11-16 11:18:38,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 295 transitions, 726 flow [2022-11-16 11:18:38,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 295 transitions, 724 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:18:38,322 INFO L231 Difference]: Finished difference. Result has 298 places, 0 transitions, 0 flow [2022-11-16 11:18:38,323 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=298, PETRI_TRANSITIONS=0} [2022-11-16 11:18:38,323 INFO L288 CegarLoopForPetriNet]: 357 programPoint places, -59 predicate places. [2022-11-16 11:18:38,324 INFO L495 AbstractCegarLoop]: Abstraction has has 298 places, 0 transitions, 0 flow [2022-11-16 11:18:38,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.0) internal successors, (975), 3 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:38,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (118 of 119 remaining) [2022-11-16 11:18:38,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (117 of 119 remaining) [2022-11-16 11:18:38,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (116 of 119 remaining) [2022-11-16 11:18:38,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (115 of 119 remaining) [2022-11-16 11:18:38,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (114 of 119 remaining) [2022-11-16 11:18:38,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (113 of 119 remaining) [2022-11-16 11:18:38,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (112 of 119 remaining) [2022-11-16 11:18:38,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (111 of 119 remaining) [2022-11-16 11:18:38,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (110 of 119 remaining) [2022-11-16 11:18:38,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (109 of 119 remaining) [2022-11-16 11:18:38,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (108 of 119 remaining) [2022-11-16 11:18:38,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (107 of 119 remaining) [2022-11-16 11:18:38,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (106 of 119 remaining) [2022-11-16 11:18:38,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (105 of 119 remaining) [2022-11-16 11:18:38,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (104 of 119 remaining) [2022-11-16 11:18:38,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (103 of 119 remaining) [2022-11-16 11:18:38,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (102 of 119 remaining) [2022-11-16 11:18:38,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (101 of 119 remaining) [2022-11-16 11:18:38,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (100 of 119 remaining) [2022-11-16 11:18:38,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (99 of 119 remaining) [2022-11-16 11:18:38,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (98 of 119 remaining) [2022-11-16 11:18:38,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (97 of 119 remaining) [2022-11-16 11:18:38,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (96 of 119 remaining) [2022-11-16 11:18:38,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (95 of 119 remaining) [2022-11-16 11:18:38,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (94 of 119 remaining) [2022-11-16 11:18:38,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (93 of 119 remaining) [2022-11-16 11:18:38,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (92 of 119 remaining) [2022-11-16 11:18:38,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (91 of 119 remaining) [2022-11-16 11:18:38,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (90 of 119 remaining) [2022-11-16 11:18:38,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (89 of 119 remaining) [2022-11-16 11:18:38,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (88 of 119 remaining) [2022-11-16 11:18:38,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (87 of 119 remaining) [2022-11-16 11:18:38,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (86 of 119 remaining) [2022-11-16 11:18:38,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (85 of 119 remaining) [2022-11-16 11:18:38,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (84 of 119 remaining) [2022-11-16 11:18:38,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (83 of 119 remaining) [2022-11-16 11:18:38,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (82 of 119 remaining) [2022-11-16 11:18:38,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (81 of 119 remaining) [2022-11-16 11:18:38,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (80 of 119 remaining) [2022-11-16 11:18:38,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (79 of 119 remaining) [2022-11-16 11:18:38,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (78 of 119 remaining) [2022-11-16 11:18:38,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (77 of 119 remaining) [2022-11-16 11:18:38,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (76 of 119 remaining) [2022-11-16 11:18:38,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (75 of 119 remaining) [2022-11-16 11:18:38,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (74 of 119 remaining) [2022-11-16 11:18:38,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (73 of 119 remaining) [2022-11-16 11:18:38,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (72 of 119 remaining) [2022-11-16 11:18:38,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (71 of 119 remaining) [2022-11-16 11:18:38,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (70 of 119 remaining) [2022-11-16 11:18:38,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (69 of 119 remaining) [2022-11-16 11:18:38,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (68 of 119 remaining) [2022-11-16 11:18:38,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (67 of 119 remaining) [2022-11-16 11:18:38,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (66 of 119 remaining) [2022-11-16 11:18:38,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (65 of 119 remaining) [2022-11-16 11:18:38,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (64 of 119 remaining) [2022-11-16 11:18:38,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (63 of 119 remaining) [2022-11-16 11:18:38,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (62 of 119 remaining) [2022-11-16 11:18:38,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (61 of 119 remaining) [2022-11-16 11:18:38,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (60 of 119 remaining) [2022-11-16 11:18:38,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (59 of 119 remaining) [2022-11-16 11:18:38,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (58 of 119 remaining) [2022-11-16 11:18:38,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (57 of 119 remaining) [2022-11-16 11:18:38,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (56 of 119 remaining) [2022-11-16 11:18:38,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (55 of 119 remaining) [2022-11-16 11:18:38,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (54 of 119 remaining) [2022-11-16 11:18:38,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (53 of 119 remaining) [2022-11-16 11:18:38,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (52 of 119 remaining) [2022-11-16 11:18:38,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (51 of 119 remaining) [2022-11-16 11:18:38,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (50 of 119 remaining) [2022-11-16 11:18:38,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 119 remaining) [2022-11-16 11:18:38,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 119 remaining) [2022-11-16 11:18:38,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 119 remaining) [2022-11-16 11:18:38,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 119 remaining) [2022-11-16 11:18:38,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 119 remaining) [2022-11-16 11:18:38,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 119 remaining) [2022-11-16 11:18:38,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (43 of 119 remaining) [2022-11-16 11:18:38,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (42 of 119 remaining) [2022-11-16 11:18:38,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (41 of 119 remaining) [2022-11-16 11:18:38,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (40 of 119 remaining) [2022-11-16 11:18:38,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (39 of 119 remaining) [2022-11-16 11:18:38,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (38 of 119 remaining) [2022-11-16 11:18:38,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (37 of 119 remaining) [2022-11-16 11:18:38,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (36 of 119 remaining) [2022-11-16 11:18:38,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (35 of 119 remaining) [2022-11-16 11:18:38,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (34 of 119 remaining) [2022-11-16 11:18:38,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (33 of 119 remaining) [2022-11-16 11:18:38,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (32 of 119 remaining) [2022-11-16 11:18:38,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (31 of 119 remaining) [2022-11-16 11:18:38,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (30 of 119 remaining) [2022-11-16 11:18:38,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (29 of 119 remaining) [2022-11-16 11:18:38,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (28 of 119 remaining) [2022-11-16 11:18:38,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (27 of 119 remaining) [2022-11-16 11:18:38,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (26 of 119 remaining) [2022-11-16 11:18:38,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (25 of 119 remaining) [2022-11-16 11:18:38,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 119 remaining) [2022-11-16 11:18:38,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 119 remaining) [2022-11-16 11:18:38,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 119 remaining) [2022-11-16 11:18:38,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 119 remaining) [2022-11-16 11:18:38,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 119 remaining) [2022-11-16 11:18:38,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (19 of 119 remaining) [2022-11-16 11:18:38,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (18 of 119 remaining) [2022-11-16 11:18:38,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (17 of 119 remaining) [2022-11-16 11:18:38,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (16 of 119 remaining) [2022-11-16 11:18:38,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (15 of 119 remaining) [2022-11-16 11:18:38,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (14 of 119 remaining) [2022-11-16 11:18:38,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (13 of 119 remaining) [2022-11-16 11:18:38,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 119 remaining) [2022-11-16 11:18:38,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (11 of 119 remaining) [2022-11-16 11:18:38,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (10 of 119 remaining) [2022-11-16 11:18:38,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (9 of 119 remaining) [2022-11-16 11:18:38,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (8 of 119 remaining) [2022-11-16 11:18:38,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (7 of 119 remaining) [2022-11-16 11:18:38,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (6 of 119 remaining) [2022-11-16 11:18:38,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (5 of 119 remaining) [2022-11-16 11:18:38,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (4 of 119 remaining) [2022-11-16 11:18:38,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (3 of 119 remaining) [2022-11-16 11:18:38,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (2 of 119 remaining) [2022-11-16 11:18:38,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (1 of 119 remaining) [2022-11-16 11:18:38,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (0 of 119 remaining) [2022-11-16 11:18:38,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-16 11:18:38,350 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:18:38,356 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:18:38,356 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:18:38,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:18:38 BasicIcfg [2022-11-16 11:18:38,364 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:18:38,365 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:18:38,365 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:18:38,365 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:18:38,366 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:18:21" (3/4) ... [2022-11-16 11:18:38,368 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:18:38,373 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 11:18:38,374 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 11:18:38,387 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-16 11:18:38,387 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 11:18:38,388 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:18:38,388 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:18:38,450 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5f03fd-f9df-48a2-ac6a-ddc9fb2a7b01/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:18:38,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:18:38,452 INFO L158 Benchmark]: Toolchain (without parser) took 19286.94ms. Allocated memory was 125.8MB in the beginning and 817.9MB in the end (delta: 692.1MB). Free memory was 82.6MB in the beginning and 642.1MB in the end (delta: -559.5MB). Peak memory consumption was 130.6MB. Max. memory is 16.1GB. [2022-11-16 11:18:38,452 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:18:38,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.17ms. Allocated memory is still 125.8MB. Free memory was 82.5MB in the beginning and 95.9MB in the end (delta: -13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:18:38,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.56ms. Allocated memory is still 125.8MB. Free memory was 95.9MB in the beginning and 92.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:18:38,453 INFO L158 Benchmark]: Boogie Preprocessor took 88.81ms. Allocated memory is still 125.8MB. Free memory was 92.5MB in the beginning and 89.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:18:38,453 INFO L158 Benchmark]: RCFGBuilder took 1581.97ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 89.4MB in the beginning and 100.4MB in the end (delta: -11.1MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2022-11-16 11:18:38,453 INFO L158 Benchmark]: TraceAbstraction took 16927.32ms. Allocated memory was 167.8MB in the beginning and 817.9MB in the end (delta: 650.1MB). Free memory was 100.4MB in the beginning and 646.3MB in the end (delta: -545.9MB). Peak memory consumption was 519.5MB. Max. memory is 16.1GB. [2022-11-16 11:18:38,454 INFO L158 Benchmark]: Witness Printer took 85.82ms. Allocated memory is still 817.9MB. Free memory was 646.3MB in the beginning and 642.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:18:38,460 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 490.17ms. Allocated memory is still 125.8MB. Free memory was 82.5MB in the beginning and 95.9MB in the end (delta: -13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.56ms. Allocated memory is still 125.8MB. Free memory was 95.9MB in the beginning and 92.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.81ms. Allocated memory is still 125.8MB. Free memory was 92.5MB in the beginning and 89.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1581.97ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 89.4MB in the beginning and 100.4MB in the end (delta: -11.1MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * TraceAbstraction took 16927.32ms. Allocated memory was 167.8MB in the beginning and 817.9MB in the end (delta: 650.1MB). Free memory was 100.4MB in the beginning and 646.3MB in the end (delta: -545.9MB). Peak memory consumption was 519.5MB. Max. memory is 16.1GB. * Witness Printer took 85.82ms. Allocated memory is still 817.9MB. Free memory was 646.3MB in the beginning and 642.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 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: 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: 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: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: 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: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: 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: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: 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 5 procedures, 490 locations, 119 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: 16.7s, OverallIterations: 27, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 396 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 396 mSDsluCounter, 389 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45 mSDsCounter, 185 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1412 IncrementalHoareTripleChecker+Invalid, 1597 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 185 mSolverCounterUnsat, 344 mSDtfsCounter, 1412 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=742occurred in iteration=0, InterpolantAutomatonStates: 102, 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, 4.0s InterpolantComputationTime, 3402 NumberOfCodeBlocks, 3402 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 3375 ConstructedInterpolants, 0 QuantifiedInterpolants, 4457 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 3/3 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 69 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 11:18:38,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df5f03fd-f9df-48a2-ac6a-ddc9fb2a7b01/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE