./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6430916-c46f-434b-8aa5-d963997949cf/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6430916-c46f-434b-8aa5-d963997949cf/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6430916-c46f-434b-8aa5-d963997949cf/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6430916-c46f-434b-8aa5-d963997949cf/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6430916-c46f-434b-8aa5-d963997949cf/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6430916-c46f-434b-8aa5-d963997949cf/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:43:20,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:43:20,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:43:20,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:43:20,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:43:20,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:43:20,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:43:21,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:43:21,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:43:21,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:43:21,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:43:21,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:43:21,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:43:21,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:43:21,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:43:21,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:43:21,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:43:21,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:43:21,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:43:21,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:43:21,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:43:21,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:43:21,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:43:21,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:43:21,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:43:21,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:43:21,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:43:21,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:43:21,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:43:21,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:43:21,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:43:21,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:43:21,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:43:21,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:43:21,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:43:21,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:43:21,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:43:21,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:43:21,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:43:21,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:43:21,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:43:21,058 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6430916-c46f-434b-8aa5-d963997949cf/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 20:43:21,095 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:43:21,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:43:21,096 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:43:21,096 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:43:21,097 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:43:21,097 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:43:21,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:43:21,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:43:21,098 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:43:21,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:43:21,100 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:43:21,100 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:43:21,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:43:21,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:43:21,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:43:21,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:43:21,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:43:21,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:43:21,101 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 20:43:21,101 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:43:21,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:43:21,102 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:43:21,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:43:21,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:43:21,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:43:21,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:43:21,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:43:21,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:43:21,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:43:21,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:43:21,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:43:21,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:43:21,104 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:43:21,104 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:43:21,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:43:21,104 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_b6430916-c46f-434b-8aa5-d963997949cf/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6430916-c46f-434b-8aa5-d963997949cf/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 [2022-11-02 20:43:21,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:43:21,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:43:21,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:43:21,400 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:43:21,400 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:43:21,402 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6430916-c46f-434b-8aa5-d963997949cf/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-11-02 20:43:21,492 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6430916-c46f-434b-8aa5-d963997949cf/bin/uautomizer-Dbtcem3rbc/data/2b64528b4/9f4c79abb67c435bb17af551bd8a5599/FLAG028842c5b [2022-11-02 20:43:22,049 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:43:22,050 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6430916-c46f-434b-8aa5-d963997949cf/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-11-02 20:43:22,069 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6430916-c46f-434b-8aa5-d963997949cf/bin/uautomizer-Dbtcem3rbc/data/2b64528b4/9f4c79abb67c435bb17af551bd8a5599/FLAG028842c5b [2022-11-02 20:43:22,385 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6430916-c46f-434b-8aa5-d963997949cf/bin/uautomizer-Dbtcem3rbc/data/2b64528b4/9f4c79abb67c435bb17af551bd8a5599 [2022-11-02 20:43:22,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:43:22,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:43:22,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:43:22,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:43:22,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:43:22,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:43:22" (1/1) ... [2022-11-02 20:43:22,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb26e86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:22, skipping insertion in model container [2022-11-02 20:43:22,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:43:22" (1/1) ... [2022-11-02 20:43:22,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:43:22,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:43:22,709 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6430916-c46f-434b-8aa5-d963997949cf/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-11-02 20:43:22,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:43:22,723 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:43:22,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6430916-c46f-434b-8aa5-d963997949cf/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-11-02 20:43:22,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:43:22,772 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:43:22,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:22 WrapperNode [2022-11-02 20:43:22,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:43:22,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:43:22,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:43:22,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:43:22,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:22" (1/1) ... [2022-11-02 20:43:22,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:22" (1/1) ... [2022-11-02 20:43:22,833 INFO L138 Inliner]: procedures = 25, calls = 39, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 341 [2022-11-02 20:43:22,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:43:22,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:43:22,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:43:22,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:43:22,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:22" (1/1) ... [2022-11-02 20:43:22,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:22" (1/1) ... [2022-11-02 20:43:22,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:22" (1/1) ... [2022-11-02 20:43:22,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:22" (1/1) ... [2022-11-02 20:43:22,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:22" (1/1) ... [2022-11-02 20:43:22,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:22" (1/1) ... [2022-11-02 20:43:22,904 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:22" (1/1) ... [2022-11-02 20:43:22,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:22" (1/1) ... [2022-11-02 20:43:22,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:43:22,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:43:22,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:43:22,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:43:22,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:22" (1/1) ... [2022-11-02 20:43:22,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:43:22,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6430916-c46f-434b-8aa5-d963997949cf/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:43:22,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6430916-c46f-434b-8aa5-d963997949cf/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:43:22,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6430916-c46f-434b-8aa5-d963997949cf/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:43:22,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:43:22,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:43:22,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:43:22,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:43:22,996 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-02 20:43:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-02 20:43:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-02 20:43:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-02 20:43:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:43:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-02 20:43:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-02 20:43:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:43:23,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:43:23,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:43:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:43:23,007 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:43:23,187 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:43:23,189 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:43:23,917 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:43:24,198 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:43:24,198 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 20:43:24,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:43:24 BoogieIcfgContainer [2022-11-02 20:43:24,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:43:24,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:43:24,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:43:24,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:43:24,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:43:22" (1/3) ... [2022-11-02 20:43:24,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f12a27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:43:24, skipping insertion in model container [2022-11-02 20:43:24,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:22" (2/3) ... [2022-11-02 20:43:24,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f12a27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:43:24, skipping insertion in model container [2022-11-02 20:43:24,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:43:24" (3/3) ... [2022-11-02 20:43:24,210 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-2-nl.wvr.c [2022-11-02 20:43:24,220 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:43:24,230 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:43:24,231 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 55 error locations. [2022-11-02 20:43:24,231 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:43:24,331 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-02 20:43:24,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 290 places, 295 transitions, 606 flow [2022-11-02 20:43:24,469 INFO L130 PetriNetUnfolder]: 12/293 cut-off events. [2022-11-02 20:43:24,469 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-02 20:43:24,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 302 conditions, 293 events. 12/293 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 493 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 194. Up to 3 conditions per place. [2022-11-02 20:43:24,479 INFO L82 GeneralOperation]: Start removeDead. Operand has 290 places, 295 transitions, 606 flow [2022-11-02 20:43:24,487 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 269 places, 272 transitions, 556 flow [2022-11-02 20:43:24,504 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:43:24,511 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;@3e6395c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:43:24,511 INFO L358 AbstractCegarLoop]: Starting to check reachability of 96 error locations. [2022-11-02 20:43:24,526 INFO L130 PetriNetUnfolder]: 0/26 cut-off events. [2022-11-02 20:43:24,526 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:43:24,526 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:24,527 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:24,528 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-02 20:43:24,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:24,534 INFO L85 PathProgramCache]: Analyzing trace with hash 442547205, now seen corresponding path program 1 times [2022-11-02 20:43:24,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:24,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575108516] [2022-11-02 20:43:24,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:24,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:24,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:24,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:24,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575108516] [2022-11-02 20:43:24,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575108516] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:24,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:24,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:43:24,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306291056] [2022-11-02 20:43:24,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:24,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:43:24,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:24,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:43:24,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:43:24,827 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 295 [2022-11-02 20:43:24,838 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 272 transitions, 556 flow. Second operand has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:24,839 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:24,839 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 295 [2022-11-02 20:43:24,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:25,166 INFO L130 PetriNetUnfolder]: 66/544 cut-off events. [2022-11-02 20:43:25,166 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2022-11-02 20:43:25,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 702 conditions, 544 events. 66/544 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2274 event pairs, 44 based on Foata normal form. 30/462 useless extension candidates. Maximal degree in co-relation 485. Up to 127 conditions per place. [2022-11-02 20:43:25,173 INFO L137 encePairwiseOnDemand]: 259/295 looper letters, 19 selfloop transitions, 2 changer transitions 3/238 dead transitions. [2022-11-02 20:43:25,173 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 238 transitions, 530 flow [2022-11-02 20:43:25,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:43:25,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:43:25,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 769 transitions. [2022-11-02 20:43:25,209 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8689265536723164 [2022-11-02 20:43:25,209 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 769 transitions. [2022-11-02 20:43:25,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 769 transitions. [2022-11-02 20:43:25,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:25,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 769 transitions. [2022-11-02 20:43:25,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:25,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:25,228 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:25,230 INFO L175 Difference]: Start difference. First operand has 269 places, 272 transitions, 556 flow. Second operand 3 states and 769 transitions. [2022-11-02 20:43:25,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 238 transitions, 530 flow [2022-11-02 20:43:25,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 238 transitions, 522 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:43:25,240 INFO L231 Difference]: Finished difference. Result has 240 places, 235 transitions, 478 flow [2022-11-02 20:43:25,243 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=478, PETRI_PLACES=240, PETRI_TRANSITIONS=235} [2022-11-02 20:43:25,247 INFO L287 CegarLoopForPetriNet]: 269 programPoint places, -29 predicate places. [2022-11-02 20:43:25,247 INFO L495 AbstractCegarLoop]: Abstraction has has 240 places, 235 transitions, 478 flow [2022-11-02 20:43:25,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:25,248 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:25,248 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:25,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:43:25,248 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-02 20:43:25,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:25,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1387864432, now seen corresponding path program 1 times [2022-11-02 20:43:25,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:25,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103420332] [2022-11-02 20:43:25,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:25,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:25,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:25,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:25,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103420332] [2022-11-02 20:43:25,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103420332] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:25,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:25,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:43:25,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564930789] [2022-11-02 20:43:25,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:25,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:43:25,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:25,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:43:25,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:43:25,343 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 295 [2022-11-02 20:43:25,344 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 235 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:25,344 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:25,344 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 295 [2022-11-02 20:43:25,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:25,433 INFO L130 PetriNetUnfolder]: 16/328 cut-off events. [2022-11-02 20:43:25,433 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-02 20:43:25,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 384 conditions, 328 events. 16/328 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 812 event pairs, 11 based on Foata normal form. 0/272 useless extension candidates. Maximal degree in co-relation 349. Up to 43 conditions per place. [2022-11-02 20:43:25,437 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 18 selfloop transitions, 2 changer transitions 0/234 dead transitions. [2022-11-02 20:43:25,437 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 234 transitions, 516 flow [2022-11-02 20:43:25,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:43:25,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:43:25,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 735 transitions. [2022-11-02 20:43:25,439 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8305084745762712 [2022-11-02 20:43:25,440 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 735 transitions. [2022-11-02 20:43:25,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 735 transitions. [2022-11-02 20:43:25,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:25,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 735 transitions. [2022-11-02 20:43:25,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 245.0) internal successors, (735), 3 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:25,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:25,446 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:25,446 INFO L175 Difference]: Start difference. First operand has 240 places, 235 transitions, 478 flow. Second operand 3 states and 735 transitions. [2022-11-02 20:43:25,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 234 transitions, 516 flow [2022-11-02 20:43:25,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 234 transitions, 512 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:43:25,457 INFO L231 Difference]: Finished difference. Result has 236 places, 234 transitions, 476 flow [2022-11-02 20:43:25,458 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=476, PETRI_PLACES=236, PETRI_TRANSITIONS=234} [2022-11-02 20:43:25,458 INFO L287 CegarLoopForPetriNet]: 269 programPoint places, -33 predicate places. [2022-11-02 20:43:25,459 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 234 transitions, 476 flow [2022-11-02 20:43:25,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:25,460 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:25,460 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:25,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:43:25,461 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-02 20:43:25,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:25,463 INFO L85 PathProgramCache]: Analyzing trace with hash 2107305353, now seen corresponding path program 1 times [2022-11-02 20:43:25,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:25,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475350456] [2022-11-02 20:43:25,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:25,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:25,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:25,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:25,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475350456] [2022-11-02 20:43:25,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475350456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:25,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:25,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:43:25,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470970950] [2022-11-02 20:43:25,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:25,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:43:25,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:25,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:43:25,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:43:25,566 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 295 [2022-11-02 20:43:25,567 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 234 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:25,567 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:25,568 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 295 [2022-11-02 20:43:25,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:25,673 INFO L130 PetriNetUnfolder]: 12/323 cut-off events. [2022-11-02 20:43:25,673 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-02 20:43:25,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 361 conditions, 323 events. 12/323 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 750 event pairs, 5 based on Foata normal form. 0/274 useless extension candidates. Maximal degree in co-relation 319. Up to 28 conditions per place. [2022-11-02 20:43:25,676 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 13 selfloop transitions, 2 changer transitions 0/233 dead transitions. [2022-11-02 20:43:25,676 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 233 transitions, 504 flow [2022-11-02 20:43:25,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:43:25,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:43:25,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 748 transitions. [2022-11-02 20:43:25,679 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8451977401129943 [2022-11-02 20:43:25,679 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 748 transitions. [2022-11-02 20:43:25,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 748 transitions. [2022-11-02 20:43:25,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:25,680 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 748 transitions. [2022-11-02 20:43:25,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:25,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:25,687 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:25,687 INFO L175 Difference]: Start difference. First operand has 236 places, 234 transitions, 476 flow. Second operand 3 states and 748 transitions. [2022-11-02 20:43:25,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 233 transitions, 504 flow [2022-11-02 20:43:25,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 233 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:43:25,692 INFO L231 Difference]: Finished difference. Result has 235 places, 233 transitions, 474 flow [2022-11-02 20:43:25,693 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=474, PETRI_PLACES=235, PETRI_TRANSITIONS=233} [2022-11-02 20:43:25,694 INFO L287 CegarLoopForPetriNet]: 269 programPoint places, -34 predicate places. [2022-11-02 20:43:25,694 INFO L495 AbstractCegarLoop]: Abstraction has has 235 places, 233 transitions, 474 flow [2022-11-02 20:43:25,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:25,695 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:25,695 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:25,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:43:25,695 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-02 20:43:25,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:25,696 INFO L85 PathProgramCache]: Analyzing trace with hash 293439820, now seen corresponding path program 1 times [2022-11-02 20:43:25,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:25,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387344385] [2022-11-02 20:43:25,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:25,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:25,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:25,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:25,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387344385] [2022-11-02 20:43:25,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387344385] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:25,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:25,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:43:25,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949060559] [2022-11-02 20:43:25,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:25,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:43:25,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:25,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:43:25,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:43:25,746 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 295 [2022-11-02 20:43:25,748 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 233 transitions, 474 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:25,748 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:25,748 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 295 [2022-11-02 20:43:25,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:25,848 INFO L130 PetriNetUnfolder]: 12/322 cut-off events. [2022-11-02 20:43:25,848 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-02 20:43:25,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 360 conditions, 322 events. 12/322 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 753 event pairs, 5 based on Foata normal form. 0/274 useless extension candidates. Maximal degree in co-relation 311. Up to 28 conditions per place. [2022-11-02 20:43:25,851 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 13 selfloop transitions, 2 changer transitions 0/232 dead transitions. [2022-11-02 20:43:25,851 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 232 transitions, 502 flow [2022-11-02 20:43:25,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:43:25,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:43:25,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 748 transitions. [2022-11-02 20:43:25,854 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8451977401129943 [2022-11-02 20:43:25,854 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 748 transitions. [2022-11-02 20:43:25,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 748 transitions. [2022-11-02 20:43:25,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:25,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 748 transitions. [2022-11-02 20:43:25,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:25,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:25,864 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:25,864 INFO L175 Difference]: Start difference. First operand has 235 places, 233 transitions, 474 flow. Second operand 3 states and 748 transitions. [2022-11-02 20:43:25,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 232 transitions, 502 flow [2022-11-02 20:43:25,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 232 transitions, 498 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:43:25,869 INFO L231 Difference]: Finished difference. Result has 234 places, 232 transitions, 472 flow [2022-11-02 20:43:25,875 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=472, PETRI_PLACES=234, PETRI_TRANSITIONS=232} [2022-11-02 20:43:25,877 INFO L287 CegarLoopForPetriNet]: 269 programPoint places, -35 predicate places. [2022-11-02 20:43:25,877 INFO L495 AbstractCegarLoop]: Abstraction has has 234 places, 232 transitions, 472 flow [2022-11-02 20:43:25,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:25,878 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:25,878 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:25,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:43:25,878 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-02 20:43:25,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:25,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1684288430, now seen corresponding path program 1 times [2022-11-02 20:43:25,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:25,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258941557] [2022-11-02 20:43:25,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:25,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:25,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:25,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:25,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258941557] [2022-11-02 20:43:25,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258941557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:25,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:25,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:43:25,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190834863] [2022-11-02 20:43:25,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:25,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:43:25,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:25,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:43:25,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:43:25,976 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 295 [2022-11-02 20:43:25,977 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 232 transitions, 472 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:25,977 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:25,977 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 295 [2022-11-02 20:43:25,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:26,084 INFO L130 PetriNetUnfolder]: 15/344 cut-off events. [2022-11-02 20:43:26,085 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-02 20:43:26,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 382 conditions, 344 events. 15/344 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 864 event pairs, 2 based on Foata normal form. 0/293 useless extension candidates. Maximal degree in co-relation 325. Up to 17 conditions per place. [2022-11-02 20:43:26,088 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 13 selfloop transitions, 2 changer transitions 0/235 dead transitions. [2022-11-02 20:43:26,088 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 235 transitions, 509 flow [2022-11-02 20:43:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:43:26,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:43:26,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 757 transitions. [2022-11-02 20:43:26,091 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8553672316384181 [2022-11-02 20:43:26,091 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 757 transitions. [2022-11-02 20:43:26,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 757 transitions. [2022-11-02 20:43:26,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:26,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 757 transitions. [2022-11-02 20:43:26,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:26,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:26,096 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:26,097 INFO L175 Difference]: Start difference. First operand has 234 places, 232 transitions, 472 flow. Second operand 3 states and 757 transitions. [2022-11-02 20:43:26,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 235 transitions, 509 flow [2022-11-02 20:43:26,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 235 transitions, 505 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:43:26,102 INFO L231 Difference]: Finished difference. Result has 234 places, 232 transitions, 476 flow [2022-11-02 20:43:26,103 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=476, PETRI_PLACES=234, PETRI_TRANSITIONS=232} [2022-11-02 20:43:26,106 INFO L287 CegarLoopForPetriNet]: 269 programPoint places, -35 predicate places. [2022-11-02 20:43:26,106 INFO L495 AbstractCegarLoop]: Abstraction has has 234 places, 232 transitions, 476 flow [2022-11-02 20:43:26,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:26,107 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:26,108 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:26,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:43:26,108 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-02 20:43:26,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:26,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1762475270, now seen corresponding path program 1 times [2022-11-02 20:43:26,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:26,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831519609] [2022-11-02 20:43:26,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:26,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:26,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:26,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:26,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831519609] [2022-11-02 20:43:26,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831519609] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:26,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:26,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:43:26,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090864135] [2022-11-02 20:43:26,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:26,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:43:26,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:26,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:43:26,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:43:26,182 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 295 [2022-11-02 20:43:26,183 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 232 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:26,184 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:26,184 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 295 [2022-11-02 20:43:26,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:26,261 INFO L130 PetriNetUnfolder]: 15/325 cut-off events. [2022-11-02 20:43:26,261 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-11-02 20:43:26,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 325 events. 15/325 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 767 event pairs, 5 based on Foata normal form. 0/277 useless extension candidates. Maximal degree in co-relation 197. Up to 29 conditions per place. [2022-11-02 20:43:26,264 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 11 selfloop transitions, 2 changer transitions 0/231 dead transitions. [2022-11-02 20:43:26,264 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 231 transitions, 500 flow [2022-11-02 20:43:26,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:43:26,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:43:26,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 754 transitions. [2022-11-02 20:43:26,266 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8519774011299435 [2022-11-02 20:43:26,267 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 754 transitions. [2022-11-02 20:43:26,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 754 transitions. [2022-11-02 20:43:26,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:26,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 754 transitions. [2022-11-02 20:43:26,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 251.33333333333334) internal successors, (754), 3 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:26,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:26,272 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:26,272 INFO L175 Difference]: Start difference. First operand has 234 places, 232 transitions, 476 flow. Second operand 3 states and 754 transitions. [2022-11-02 20:43:26,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 231 transitions, 500 flow [2022-11-02 20:43:26,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 231 transitions, 498 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:43:26,277 INFO L231 Difference]: Finished difference. Result has 234 places, 231 transitions, 476 flow [2022-11-02 20:43:26,277 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=476, PETRI_PLACES=234, PETRI_TRANSITIONS=231} [2022-11-02 20:43:26,278 INFO L287 CegarLoopForPetriNet]: 269 programPoint places, -35 predicate places. [2022-11-02 20:43:26,278 INFO L495 AbstractCegarLoop]: Abstraction has has 234 places, 231 transitions, 476 flow [2022-11-02 20:43:26,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:26,279 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:26,279 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:26,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:43:26,280 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-02 20:43:26,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:26,280 INFO L85 PathProgramCache]: Analyzing trace with hash 75300266, now seen corresponding path program 1 times [2022-11-02 20:43:26,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:26,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250815380] [2022-11-02 20:43:26,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:26,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:26,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:26,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:26,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250815380] [2022-11-02 20:43:26,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250815380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:26,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:26,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:43:26,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058071744] [2022-11-02 20:43:26,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:26,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:43:26,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:26,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:43:26,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:43:26,322 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 295 [2022-11-02 20:43:26,323 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 231 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:26,323 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:26,323 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 295 [2022-11-02 20:43:26,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:26,395 INFO L130 PetriNetUnfolder]: 15/324 cut-off events. [2022-11-02 20:43:26,395 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-11-02 20:43:26,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 324 events. 15/324 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 761 event pairs, 5 based on Foata normal form. 0/277 useless extension candidates. Maximal degree in co-relation 306. Up to 27 conditions per place. [2022-11-02 20:43:26,398 INFO L137 encePairwiseOnDemand]: 293/295 looper letters, 11 selfloop transitions, 1 changer transitions 0/230 dead transitions. [2022-11-02 20:43:26,398 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 230 transitions, 498 flow [2022-11-02 20:43:26,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:43:26,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:43:26,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 753 transitions. [2022-11-02 20:43:26,401 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8508474576271187 [2022-11-02 20:43:26,401 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 753 transitions. [2022-11-02 20:43:26,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 753 transitions. [2022-11-02 20:43:26,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:26,402 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 753 transitions. [2022-11-02 20:43:26,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 251.0) internal successors, (753), 3 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:26,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:26,406 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:26,407 INFO L175 Difference]: Start difference. First operand has 234 places, 231 transitions, 476 flow. Second operand 3 states and 753 transitions. [2022-11-02 20:43:26,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 230 transitions, 498 flow [2022-11-02 20:43:26,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 230 transitions, 494 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:43:26,412 INFO L231 Difference]: Finished difference. Result has 233 places, 230 transitions, 472 flow [2022-11-02 20:43:26,412 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=472, PETRI_PLACES=233, PETRI_TRANSITIONS=230} [2022-11-02 20:43:26,413 INFO L287 CegarLoopForPetriNet]: 269 programPoint places, -36 predicate places. [2022-11-02 20:43:26,413 INFO L495 AbstractCegarLoop]: Abstraction has has 233 places, 230 transitions, 472 flow [2022-11-02 20:43:26,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:26,414 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:26,414 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:26,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:43:26,414 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-02 20:43:26,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:26,415 INFO L85 PathProgramCache]: Analyzing trace with hash -372328014, now seen corresponding path program 1 times [2022-11-02 20:43:26,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:26,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158572103] [2022-11-02 20:43:26,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:26,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:26,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:26,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:26,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158572103] [2022-11-02 20:43:26,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158572103] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:26,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:26,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:43:26,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305646133] [2022-11-02 20:43:26,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:26,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:43:26,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:26,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:43:26,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:43:26,472 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 295 [2022-11-02 20:43:26,473 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 230 transitions, 472 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:26,474 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:26,474 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 295 [2022-11-02 20:43:26,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:26,566 INFO L130 PetriNetUnfolder]: 15/323 cut-off events. [2022-11-02 20:43:26,566 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-11-02 20:43:26,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 323 events. 15/323 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 752 event pairs, 5 based on Foata normal form. 0/277 useless extension candidates. Maximal degree in co-relation 306. Up to 29 conditions per place. [2022-11-02 20:43:26,569 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 11 selfloop transitions, 2 changer transitions 0/229 dead transitions. [2022-11-02 20:43:26,569 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 229 transitions, 496 flow [2022-11-02 20:43:26,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:43:26,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:43:26,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 754 transitions. [2022-11-02 20:43:26,572 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8519774011299435 [2022-11-02 20:43:26,572 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 754 transitions. [2022-11-02 20:43:26,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 754 transitions. [2022-11-02 20:43:26,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:26,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 754 transitions. [2022-11-02 20:43:26,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 251.33333333333334) internal successors, (754), 3 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:26,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:26,578 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:26,578 INFO L175 Difference]: Start difference. First operand has 233 places, 230 transitions, 472 flow. Second operand 3 states and 754 transitions. [2022-11-02 20:43:26,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 229 transitions, 496 flow [2022-11-02 20:43:26,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 229 transitions, 495 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:43:26,583 INFO L231 Difference]: Finished difference. Result has 233 places, 229 transitions, 473 flow [2022-11-02 20:43:26,584 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=473, PETRI_PLACES=233, PETRI_TRANSITIONS=229} [2022-11-02 20:43:26,584 INFO L287 CegarLoopForPetriNet]: 269 programPoint places, -36 predicate places. [2022-11-02 20:43:26,585 INFO L495 AbstractCegarLoop]: Abstraction has has 233 places, 229 transitions, 473 flow [2022-11-02 20:43:26,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:26,585 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:26,586 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:26,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:43:26,586 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-02 20:43:26,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:26,587 INFO L85 PathProgramCache]: Analyzing trace with hash 760866356, now seen corresponding path program 1 times [2022-11-02 20:43:26,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:26,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506910886] [2022-11-02 20:43:26,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:26,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:27,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:27,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:27,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506910886] [2022-11-02 20:43:27,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506910886] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:27,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:27,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:43:27,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470060739] [2022-11-02 20:43:27,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:27,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:43:27,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:27,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:43:27,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:43:27,138 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 295 [2022-11-02 20:43:27,139 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 229 transitions, 473 flow. Second operand has 6 states, 6 states have (on average 225.83333333333334) internal successors, (1355), 6 states have internal predecessors, (1355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:27,140 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:27,140 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 295 [2022-11-02 20:43:27,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:27,364 INFO L130 PetriNetUnfolder]: 111/482 cut-off events. [2022-11-02 20:43:27,365 INFO L131 PetriNetUnfolder]: For 58/69 co-relation queries the response was YES. [2022-11-02 20:43:27,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 735 conditions, 482 events. 111/482 cut-off events. For 58/69 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1797 event pairs, 53 based on Foata normal form. 0/380 useless extension candidates. Maximal degree in co-relation 671. Up to 181 conditions per place. [2022-11-02 20:43:27,370 INFO L137 encePairwiseOnDemand]: 289/295 looper letters, 31 selfloop transitions, 5 changer transitions 0/228 dead transitions. [2022-11-02 20:43:27,370 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 228 transitions, 543 flow [2022-11-02 20:43:27,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:43:27,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:43:27,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1380 transitions. [2022-11-02 20:43:27,374 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7796610169491526 [2022-11-02 20:43:27,374 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1380 transitions. [2022-11-02 20:43:27,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1380 transitions. [2022-11-02 20:43:27,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:27,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1380 transitions. [2022-11-02 20:43:27,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 230.0) internal successors, (1380), 6 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:27,382 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 295.0) internal successors, (2065), 7 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:27,383 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 295.0) internal successors, (2065), 7 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:27,383 INFO L175 Difference]: Start difference. First operand has 233 places, 229 transitions, 473 flow. Second operand 6 states and 1380 transitions. [2022-11-02 20:43:27,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 228 transitions, 543 flow [2022-11-02 20:43:27,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 228 transitions, 539 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:43:27,389 INFO L231 Difference]: Finished difference. Result has 235 places, 228 transitions, 477 flow [2022-11-02 20:43:27,389 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=477, PETRI_PLACES=235, PETRI_TRANSITIONS=228} [2022-11-02 20:43:27,390 INFO L287 CegarLoopForPetriNet]: 269 programPoint places, -34 predicate places. [2022-11-02 20:43:27,390 INFO L495 AbstractCegarLoop]: Abstraction has has 235 places, 228 transitions, 477 flow [2022-11-02 20:43:27,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.83333333333334) internal successors, (1355), 6 states have internal predecessors, (1355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:27,391 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:27,391 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:27,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 20:43:27,392 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-02 20:43:27,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:27,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1926648637, now seen corresponding path program 1 times [2022-11-02 20:43:27,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:27,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212543133] [2022-11-02 20:43:27,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:27,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:27,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:27,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:27,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212543133] [2022-11-02 20:43:27,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212543133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:27,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:27,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:43:27,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280897321] [2022-11-02 20:43:27,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:27,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:43:27,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:27,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:43:27,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:43:27,435 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 295 [2022-11-02 20:43:27,436 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 228 transitions, 477 flow. Second operand has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:27,436 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:27,436 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 295 [2022-11-02 20:43:27,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:27,511 INFO L130 PetriNetUnfolder]: 19/321 cut-off events. [2022-11-02 20:43:27,511 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-11-02 20:43:27,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 390 conditions, 321 events. 19/321 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 776 event pairs, 9 based on Foata normal form. 1/275 useless extension candidates. Maximal degree in co-relation 371. Up to 38 conditions per place. [2022-11-02 20:43:27,514 INFO L137 encePairwiseOnDemand]: 291/295 looper letters, 13 selfloop transitions, 1 changer transitions 2/225 dead transitions. [2022-11-02 20:43:27,514 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 225 transitions, 501 flow [2022-11-02 20:43:27,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:43:27,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:43:27,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 740 transitions. [2022-11-02 20:43:27,517 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8361581920903954 [2022-11-02 20:43:27,517 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 740 transitions. [2022-11-02 20:43:27,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 740 transitions. [2022-11-02 20:43:27,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:27,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 740 transitions. [2022-11-02 20:43:27,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.66666666666666) internal successors, (740), 3 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:27,522 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:27,522 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:27,523 INFO L175 Difference]: Start difference. First operand has 235 places, 228 transitions, 477 flow. Second operand 3 states and 740 transitions. [2022-11-02 20:43:27,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 225 transitions, 501 flow [2022-11-02 20:43:27,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 225 transitions, 491 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-02 20:43:27,528 INFO L231 Difference]: Finished difference. Result has 229 places, 223 transitions, 459 flow [2022-11-02 20:43:27,528 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=459, PETRI_PLACES=229, PETRI_TRANSITIONS=223} [2022-11-02 20:43:27,529 INFO L287 CegarLoopForPetriNet]: 269 programPoint places, -40 predicate places. [2022-11-02 20:43:27,529 INFO L495 AbstractCegarLoop]: Abstraction has has 229 places, 223 transitions, 459 flow [2022-11-02 20:43:27,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:27,530 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:27,530 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:27,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 20:43:27,531 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-02 20:43:27,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:27,531 INFO L85 PathProgramCache]: Analyzing trace with hash -826250393, now seen corresponding path program 1 times [2022-11-02 20:43:27,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:27,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936618279] [2022-11-02 20:43:27,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:27,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:27,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:27,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:27,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936618279] [2022-11-02 20:43:27,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936618279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:27,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:27,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:43:27,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491283196] [2022-11-02 20:43:27,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:27,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:43:27,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:27,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:43:27,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:43:27,582 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 295 [2022-11-02 20:43:27,583 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 223 transitions, 459 flow. Second operand has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:27,584 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:27,584 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 295 [2022-11-02 20:43:27,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:27,687 INFO L130 PetriNetUnfolder]: 45/338 cut-off events. [2022-11-02 20:43:27,688 INFO L131 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2022-11-02 20:43:27,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 474 conditions, 338 events. 45/338 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 976 event pairs, 17 based on Foata normal form. 0/293 useless extension candidates. Maximal degree in co-relation 410. Up to 62 conditions per place. [2022-11-02 20:43:27,691 INFO L137 encePairwiseOnDemand]: 287/295 looper letters, 18 selfloop transitions, 5 changer transitions 0/223 dead transitions. [2022-11-02 20:43:27,691 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 223 transitions, 510 flow [2022-11-02 20:43:27,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:43:27,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:43:27,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 738 transitions. [2022-11-02 20:43:27,693 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8338983050847457 [2022-11-02 20:43:27,694 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 738 transitions. [2022-11-02 20:43:27,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 738 transitions. [2022-11-02 20:43:27,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:27,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 738 transitions. [2022-11-02 20:43:27,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:27,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:27,699 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:27,699 INFO L175 Difference]: Start difference. First operand has 229 places, 223 transitions, 459 flow. Second operand 3 states and 738 transitions. [2022-11-02 20:43:27,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 223 transitions, 510 flow [2022-11-02 20:43:27,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 223 transitions, 509 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:43:27,704 INFO L231 Difference]: Finished difference. Result has 225 places, 220 transitions, 462 flow [2022-11-02 20:43:27,705 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=462, PETRI_PLACES=225, PETRI_TRANSITIONS=220} [2022-11-02 20:43:27,705 INFO L287 CegarLoopForPetriNet]: 269 programPoint places, -44 predicate places. [2022-11-02 20:43:27,705 INFO L495 AbstractCegarLoop]: Abstraction has has 225 places, 220 transitions, 462 flow [2022-11-02 20:43:27,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:27,706 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:27,706 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:27,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 20:43:27,707 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-02 20:43:27,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:27,707 INFO L85 PathProgramCache]: Analyzing trace with hash 542356971, now seen corresponding path program 1 times [2022-11-02 20:43:27,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:27,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938325247] [2022-11-02 20:43:27,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:27,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:27,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:27,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:27,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938325247] [2022-11-02 20:43:27,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938325247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:27,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:27,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:43:27,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910216124] [2022-11-02 20:43:27,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:27,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:43:27,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:27,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:43:27,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:43:27,761 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 295 [2022-11-02 20:43:27,762 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 220 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:27,762 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:27,763 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 295 [2022-11-02 20:43:27,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:27,881 INFO L130 PetriNetUnfolder]: 54/496 cut-off events. [2022-11-02 20:43:27,881 INFO L131 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2022-11-02 20:43:27,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 654 conditions, 496 events. 54/496 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1954 event pairs, 10 based on Foata normal form. 0/442 useless extension candidates. Maximal degree in co-relation 588. Up to 87 conditions per place. [2022-11-02 20:43:27,885 INFO L137 encePairwiseOnDemand]: 289/295 looper letters, 20 selfloop transitions, 3 changer transitions 0/224 dead transitions. [2022-11-02 20:43:27,885 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 224 transitions, 519 flow [2022-11-02 20:43:27,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:43:27,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:43:27,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 748 transitions. [2022-11-02 20:43:27,888 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8451977401129943 [2022-11-02 20:43:27,888 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 748 transitions. [2022-11-02 20:43:27,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 748 transitions. [2022-11-02 20:43:27,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:27,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 748 transitions. [2022-11-02 20:43:27,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:27,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:27,893 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:27,893 INFO L175 Difference]: Start difference. First operand has 225 places, 220 transitions, 462 flow. Second operand 3 states and 748 transitions. [2022-11-02 20:43:27,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 224 transitions, 519 flow [2022-11-02 20:43:27,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 224 transitions, 509 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:43:27,898 INFO L231 Difference]: Finished difference. Result has 223 places, 220 transitions, 467 flow [2022-11-02 20:43:27,899 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=223, PETRI_TRANSITIONS=220} [2022-11-02 20:43:27,900 INFO L287 CegarLoopForPetriNet]: 269 programPoint places, -46 predicate places. [2022-11-02 20:43:27,900 INFO L495 AbstractCegarLoop]: Abstraction has has 223 places, 220 transitions, 467 flow [2022-11-02 20:43:27,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:27,901 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:27,901 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:27,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 20:43:27,901 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-02 20:43:27,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:27,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1889912932, now seen corresponding path program 1 times [2022-11-02 20:43:27,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:27,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866377047] [2022-11-02 20:43:27,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:27,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:27,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:27,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:27,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866377047] [2022-11-02 20:43:27,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866377047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:27,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:27,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:43:27,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685716177] [2022-11-02 20:43:27,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:27,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:43:27,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:27,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:43:27,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:43:27,947 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 295 [2022-11-02 20:43:27,948 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 220 transitions, 467 flow. Second operand has 3 states, 3 states have (on average 240.66666666666666) internal successors, (722), 3 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:27,949 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:27,949 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 295 [2022-11-02 20:43:27,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:28,109 INFO L130 PetriNetUnfolder]: 111/608 cut-off events. [2022-11-02 20:43:28,109 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2022-11-02 20:43:28,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 865 conditions, 608 events. 111/608 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2821 event pairs, 49 based on Foata normal form. 0/527 useless extension candidates. Maximal degree in co-relation 801. Up to 177 conditions per place. [2022-11-02 20:43:28,115 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 21 selfloop transitions, 2 changer transitions 0/222 dead transitions. [2022-11-02 20:43:28,115 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 222 transitions, 518 flow [2022-11-02 20:43:28,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:43:28,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:43:28,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 740 transitions. [2022-11-02 20:43:28,118 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8361581920903954 [2022-11-02 20:43:28,118 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 740 transitions. [2022-11-02 20:43:28,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 740 transitions. [2022-11-02 20:43:28,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:28,119 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 740 transitions. [2022-11-02 20:43:28,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.66666666666666) internal successors, (740), 3 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:28,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:28,123 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:28,123 INFO L175 Difference]: Start difference. First operand has 223 places, 220 transitions, 467 flow. Second operand 3 states and 740 transitions. [2022-11-02 20:43:28,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 222 transitions, 518 flow [2022-11-02 20:43:28,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 222 transitions, 518 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 20:43:28,128 INFO L231 Difference]: Finished difference. Result has 224 places, 219 transitions, 469 flow [2022-11-02 20:43:28,129 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=469, PETRI_PLACES=224, PETRI_TRANSITIONS=219} [2022-11-02 20:43:28,130 INFO L287 CegarLoopForPetriNet]: 269 programPoint places, -45 predicate places. [2022-11-02 20:43:28,130 INFO L495 AbstractCegarLoop]: Abstraction has has 224 places, 219 transitions, 469 flow [2022-11-02 20:43:28,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 240.66666666666666) internal successors, (722), 3 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:28,131 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:28,131 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:28,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 20:43:28,131 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-02 20:43:28,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:28,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1000102319, now seen corresponding path program 1 times [2022-11-02 20:43:28,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:28,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847142394] [2022-11-02 20:43:28,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:28,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:28,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:28,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:28,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847142394] [2022-11-02 20:43:28,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847142394] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:28,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:28,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:43:28,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303998972] [2022-11-02 20:43:28,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:28,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:43:28,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:28,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:43:28,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:43:28,184 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 295 [2022-11-02 20:43:28,185 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 219 transitions, 469 flow. Second operand has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:28,185 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:28,185 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 295 [2022-11-02 20:43:28,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:28,329 INFO L130 PetriNetUnfolder]: 75/419 cut-off events. [2022-11-02 20:43:28,329 INFO L131 PetriNetUnfolder]: For 47/47 co-relation queries the response was YES. [2022-11-02 20:43:28,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 419 events. 75/419 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1480 event pairs, 35 based on Foata normal form. 0/365 useless extension candidates. Maximal degree in co-relation 585. Up to 118 conditions per place. [2022-11-02 20:43:28,333 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 22 selfloop transitions, 2 changer transitions 0/221 dead transitions. [2022-11-02 20:43:28,333 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 221 transitions, 526 flow [2022-11-02 20:43:28,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:43:28,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:43:28,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 731 transitions. [2022-11-02 20:43:28,336 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8259887005649718 [2022-11-02 20:43:28,336 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 731 transitions. [2022-11-02 20:43:28,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 731 transitions. [2022-11-02 20:43:28,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:28,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 731 transitions. [2022-11-02 20:43:28,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:28,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:28,343 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:28,343 INFO L175 Difference]: Start difference. First operand has 224 places, 219 transitions, 469 flow. Second operand 3 states and 731 transitions. [2022-11-02 20:43:28,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 221 transitions, 526 flow [2022-11-02 20:43:28,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 221 transitions, 522 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:43:28,349 INFO L231 Difference]: Finished difference. Result has 223 places, 218 transitions, 467 flow [2022-11-02 20:43:28,350 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=463, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=223, PETRI_TRANSITIONS=218} [2022-11-02 20:43:28,350 INFO L287 CegarLoopForPetriNet]: 269 programPoint places, -46 predicate places. [2022-11-02 20:43:28,351 INFO L495 AbstractCegarLoop]: Abstraction has has 223 places, 218 transitions, 467 flow [2022-11-02 20:43:28,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:28,351 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:28,352 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:28,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-02 20:43:28,352 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-02 20:43:28,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:28,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1724631378, now seen corresponding path program 1 times [2022-11-02 20:43:28,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:28,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723039646] [2022-11-02 20:43:28,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:28,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:28,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:28,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:28,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723039646] [2022-11-02 20:43:28,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723039646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:28,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:28,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:43:28,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199268682] [2022-11-02 20:43:28,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:28,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:43:28,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:28,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:43:28,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:43:28,419 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 295 [2022-11-02 20:43:28,420 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 218 transitions, 467 flow. Second operand has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:28,421 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:28,421 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 295 [2022-11-02 20:43:28,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:28,545 INFO L130 PetriNetUnfolder]: 72/413 cut-off events. [2022-11-02 20:43:28,545 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2022-11-02 20:43:28,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 639 conditions, 413 events. 72/413 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1426 event pairs, 33 based on Foata normal form. 0/363 useless extension candidates. Maximal degree in co-relation 574. Up to 112 conditions per place. [2022-11-02 20:43:28,549 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 21 selfloop transitions, 2 changer transitions 0/220 dead transitions. [2022-11-02 20:43:28,550 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 220 transitions, 522 flow [2022-11-02 20:43:28,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:43:28,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:43:28,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 730 transitions. [2022-11-02 20:43:28,552 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8248587570621468 [2022-11-02 20:43:28,552 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 730 transitions. [2022-11-02 20:43:28,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 730 transitions. [2022-11-02 20:43:28,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:28,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 730 transitions. [2022-11-02 20:43:28,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:28,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:28,558 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:28,558 INFO L175 Difference]: Start difference. First operand has 223 places, 218 transitions, 467 flow. Second operand 3 states and 730 transitions. [2022-11-02 20:43:28,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 220 transitions, 522 flow [2022-11-02 20:43:28,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 220 transitions, 518 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:43:28,563 INFO L231 Difference]: Finished difference. Result has 222 places, 217 transitions, 465 flow [2022-11-02 20:43:28,564 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=465, PETRI_PLACES=222, PETRI_TRANSITIONS=217} [2022-11-02 20:43:28,564 INFO L287 CegarLoopForPetriNet]: 269 programPoint places, -47 predicate places. [2022-11-02 20:43:28,564 INFO L495 AbstractCegarLoop]: Abstraction has has 222 places, 217 transitions, 465 flow [2022-11-02 20:43:28,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:28,565 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:28,566 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:28,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-02 20:43:28,566 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-02 20:43:28,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:28,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1157260061, now seen corresponding path program 1 times [2022-11-02 20:43:28,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:28,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374617484] [2022-11-02 20:43:28,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:28,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:29,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:29,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:29,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374617484] [2022-11-02 20:43:29,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374617484] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:29,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:29,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:43:29,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395266063] [2022-11-02 20:43:29,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:29,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:43:29,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:29,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:43:29,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:43:29,025 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 295 [2022-11-02 20:43:29,026 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 217 transitions, 465 flow. Second operand has 6 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:29,026 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:29,027 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 295 [2022-11-02 20:43:29,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:29,478 INFO L130 PetriNetUnfolder]: 193/1008 cut-off events. [2022-11-02 20:43:29,478 INFO L131 PetriNetUnfolder]: For 92/109 co-relation queries the response was YES. [2022-11-02 20:43:29,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1467 conditions, 1008 events. 193/1008 cut-off events. For 92/109 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 5954 event pairs, 22 based on Foata normal form. 6/872 useless extension candidates. Maximal degree in co-relation 1400. Up to 100 conditions per place. [2022-11-02 20:43:29,488 INFO L137 encePairwiseOnDemand]: 290/295 looper letters, 40 selfloop transitions, 4 changer transitions 0/232 dead transitions. [2022-11-02 20:43:29,488 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 232 transitions, 599 flow [2022-11-02 20:43:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:43:29,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:43:29,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1414 transitions. [2022-11-02 20:43:29,497 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7988700564971751 [2022-11-02 20:43:29,497 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1414 transitions. [2022-11-02 20:43:29,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1414 transitions. [2022-11-02 20:43:29,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:29,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1414 transitions. [2022-11-02 20:43:29,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 235.66666666666666) internal successors, (1414), 6 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:29,505 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 295.0) internal successors, (2065), 7 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:29,505 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 295.0) internal successors, (2065), 7 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:29,506 INFO L175 Difference]: Start difference. First operand has 222 places, 217 transitions, 465 flow. Second operand 6 states and 1414 transitions. [2022-11-02 20:43:29,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 232 transitions, 599 flow [2022-11-02 20:43:29,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 232 transitions, 595 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:43:29,511 INFO L231 Difference]: Finished difference. Result has 224 places, 216 transitions, 467 flow [2022-11-02 20:43:29,512 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=459, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=467, PETRI_PLACES=224, PETRI_TRANSITIONS=216} [2022-11-02 20:43:29,512 INFO L287 CegarLoopForPetriNet]: 269 programPoint places, -45 predicate places. [2022-11-02 20:43:29,512 INFO L495 AbstractCegarLoop]: Abstraction has has 224 places, 216 transitions, 467 flow [2022-11-02 20:43:29,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:29,513 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:29,513 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:29,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-02 20:43:29,514 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-02 20:43:29,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:29,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1646324171, now seen corresponding path program 1 times [2022-11-02 20:43:29,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:29,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747707914] [2022-11-02 20:43:29,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:29,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:29,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:29,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:29,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747707914] [2022-11-02 20:43:29,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747707914] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:29,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:29,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:43:29,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816324809] [2022-11-02 20:43:29,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:29,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:43:29,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:29,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:43:29,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:43:29,571 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 295 [2022-11-02 20:43:29,572 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 216 transitions, 467 flow. Second operand has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:29,572 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:29,573 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 295 [2022-11-02 20:43:29,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:29,727 INFO L130 PetriNetUnfolder]: 91/566 cut-off events. [2022-11-02 20:43:29,727 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2022-11-02 20:43:29,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 566 events. 91/566 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2404 event pairs, 34 based on Foata normal form. 1/509 useless extension candidates. Maximal degree in co-relation 721. Up to 118 conditions per place. [2022-11-02 20:43:29,731 INFO L137 encePairwiseOnDemand]: 290/295 looper letters, 16 selfloop transitions, 2 changer transitions 4/217 dead transitions. [2022-11-02 20:43:29,732 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 217 transitions, 508 flow [2022-11-02 20:43:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:43:29,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:43:29,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 743 transitions. [2022-11-02 20:43:29,734 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8395480225988701 [2022-11-02 20:43:29,734 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 743 transitions. [2022-11-02 20:43:29,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 743 transitions. [2022-11-02 20:43:29,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:29,735 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 743 transitions. [2022-11-02 20:43:29,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:29,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:29,739 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:29,739 INFO L175 Difference]: Start difference. First operand has 224 places, 216 transitions, 467 flow. Second operand 3 states and 743 transitions. [2022-11-02 20:43:29,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 217 transitions, 508 flow [2022-11-02 20:43:29,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 217 transitions, 501 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:43:29,744 INFO L231 Difference]: Finished difference. Result has 220 places, 210 transitions, 452 flow [2022-11-02 20:43:29,745 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=452, PETRI_PLACES=220, PETRI_TRANSITIONS=210} [2022-11-02 20:43:29,745 INFO L287 CegarLoopForPetriNet]: 269 programPoint places, -49 predicate places. [2022-11-02 20:43:29,745 INFO L495 AbstractCegarLoop]: Abstraction has has 220 places, 210 transitions, 452 flow [2022-11-02 20:43:29,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:29,746 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:29,746 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:29,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-02 20:43:29,746 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-02 20:43:29,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:29,747 INFO L85 PathProgramCache]: Analyzing trace with hash 852034958, now seen corresponding path program 1 times [2022-11-02 20:43:29,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:29,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973899113] [2022-11-02 20:43:29,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:29,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:29,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:29,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:29,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973899113] [2022-11-02 20:43:29,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973899113] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:29,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:29,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:43:29,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497869368] [2022-11-02 20:43:29,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:29,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:43:29,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:29,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:43:29,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:43:29,805 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 295 [2022-11-02 20:43:29,806 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 210 transitions, 452 flow. Second operand has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:29,806 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:29,807 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 295 [2022-11-02 20:43:29,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:29,944 INFO L130 PetriNetUnfolder]: 101/563 cut-off events. [2022-11-02 20:43:29,945 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2022-11-02 20:43:29,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 816 conditions, 563 events. 101/563 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2439 event pairs, 39 based on Foata normal form. 0/513 useless extension candidates. Maximal degree in co-relation 751. Up to 137 conditions per place. [2022-11-02 20:43:29,949 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 17 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2022-11-02 20:43:29,950 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 212 transitions, 495 flow [2022-11-02 20:43:29,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:43:29,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:43:29,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 736 transitions. [2022-11-02 20:43:29,952 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.831638418079096 [2022-11-02 20:43:29,953 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 736 transitions. [2022-11-02 20:43:29,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 736 transitions. [2022-11-02 20:43:29,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:29,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 736 transitions. [2022-11-02 20:43:29,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:29,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:29,958 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:29,958 INFO L175 Difference]: Start difference. First operand has 220 places, 210 transitions, 452 flow. Second operand 3 states and 736 transitions. [2022-11-02 20:43:29,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 212 transitions, 495 flow [2022-11-02 20:43:29,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 212 transitions, 491 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:43:29,963 INFO L231 Difference]: Finished difference. Result has 215 places, 209 transitions, 450 flow [2022-11-02 20:43:29,963 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=450, PETRI_PLACES=215, PETRI_TRANSITIONS=209} [2022-11-02 20:43:29,964 INFO L287 CegarLoopForPetriNet]: 269 programPoint places, -54 predicate places. [2022-11-02 20:43:29,964 INFO L495 AbstractCegarLoop]: Abstraction has has 215 places, 209 transitions, 450 flow [2022-11-02 20:43:29,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:29,965 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:29,965 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:29,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-02 20:43:29,966 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-02 20:43:29,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:29,966 INFO L85 PathProgramCache]: Analyzing trace with hash -282147570, now seen corresponding path program 1 times [2022-11-02 20:43:29,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:29,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149691674] [2022-11-02 20:43:29,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:29,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:30,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:30,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:30,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149691674] [2022-11-02 20:43:30,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149691674] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:30,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:30,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:43:30,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472660602] [2022-11-02 20:43:30,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:30,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:43:30,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:30,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:43:30,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:43:30,025 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 295 [2022-11-02 20:43:30,026 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 209 transitions, 450 flow. Second operand has 3 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:30,026 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:30,026 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 295 [2022-11-02 20:43:30,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:30,160 INFO L130 PetriNetUnfolder]: 59/440 cut-off events. [2022-11-02 20:43:30,160 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-11-02 20:43:30,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 602 conditions, 440 events. 59/440 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1589 event pairs, 18 based on Foata normal form. 1/413 useless extension candidates. Maximal degree in co-relation 537. Up to 69 conditions per place. [2022-11-02 20:43:30,164 INFO L137 encePairwiseOnDemand]: 290/295 looper letters, 13 selfloop transitions, 2 changer transitions 5/210 dead transitions. [2022-11-02 20:43:30,164 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 210 transitions, 487 flow [2022-11-02 20:43:30,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:43:30,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:43:30,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 750 transitions. [2022-11-02 20:43:30,167 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.847457627118644 [2022-11-02 20:43:30,167 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 750 transitions. [2022-11-02 20:43:30,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 750 transitions. [2022-11-02 20:43:30,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:30,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 750 transitions. [2022-11-02 20:43:30,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 250.0) internal successors, (750), 3 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:30,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:30,173 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:30,174 INFO L175 Difference]: Start difference. First operand has 215 places, 209 transitions, 450 flow. Second operand 3 states and 750 transitions. [2022-11-02 20:43:30,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 210 transitions, 487 flow [2022-11-02 20:43:30,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 210 transitions, 483 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:43:30,179 INFO L231 Difference]: Finished difference. Result has 213 places, 202 transitions, 435 flow [2022-11-02 20:43:30,180 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=435, PETRI_PLACES=213, PETRI_TRANSITIONS=202} [2022-11-02 20:43:30,180 INFO L287 CegarLoopForPetriNet]: 269 programPoint places, -56 predicate places. [2022-11-02 20:43:30,181 INFO L495 AbstractCegarLoop]: Abstraction has has 213 places, 202 transitions, 435 flow [2022-11-02 20:43:30,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:30,181 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:30,182 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:30,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-02 20:43:30,182 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-02 20:43:30,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:30,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1355464083, now seen corresponding path program 1 times [2022-11-02 20:43:30,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:30,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125351466] [2022-11-02 20:43:30,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:30,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:30,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:30,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:30,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125351466] [2022-11-02 20:43:30,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125351466] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:30,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:30,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:43:30,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670759674] [2022-11-02 20:43:30,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:30,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:43:30,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:30,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:43:30,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:43:30,258 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 295 [2022-11-02 20:43:30,259 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 202 transitions, 435 flow. Second operand has 3 states, 3 states have (on average 244.66666666666666) internal successors, (734), 3 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:30,259 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:30,259 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 295 [2022-11-02 20:43:30,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:30,399 INFO L130 PetriNetUnfolder]: 64/469 cut-off events. [2022-11-02 20:43:30,399 INFO L131 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2022-11-02 20:43:30,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 653 conditions, 469 events. 64/469 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1769 event pairs, 25 based on Foata normal form. 0/437 useless extension candidates. Maximal degree in co-relation 588. Up to 85 conditions per place. [2022-11-02 20:43:30,404 INFO L137 encePairwiseOnDemand]: 292/295 looper letters, 14 selfloop transitions, 2 changer transitions 0/204 dead transitions. [2022-11-02 20:43:30,404 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 204 transitions, 472 flow [2022-11-02 20:43:30,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:43:30,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:43:30,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 742 transitions. [2022-11-02 20:43:30,408 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8384180790960452 [2022-11-02 20:43:30,408 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 742 transitions. [2022-11-02 20:43:30,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 742 transitions. [2022-11-02 20:43:30,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:30,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 742 transitions. [2022-11-02 20:43:30,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 247.33333333333334) internal successors, (742), 3 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:30,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:30,414 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:30,414 INFO L175 Difference]: Start difference. First operand has 213 places, 202 transitions, 435 flow. Second operand 3 states and 742 transitions. [2022-11-02 20:43:30,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 204 transitions, 472 flow [2022-11-02 20:43:30,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 204 transitions, 468 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:43:30,421 INFO L231 Difference]: Finished difference. Result has 207 places, 201 transitions, 433 flow [2022-11-02 20:43:30,421 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=429, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=433, PETRI_PLACES=207, PETRI_TRANSITIONS=201} [2022-11-02 20:43:30,422 INFO L287 CegarLoopForPetriNet]: 269 programPoint places, -62 predicate places. [2022-11-02 20:43:30,422 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 201 transitions, 433 flow [2022-11-02 20:43:30,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 244.66666666666666) internal successors, (734), 3 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:30,423 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:30,423 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:30,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-02 20:43:30,423 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-02 20:43:30,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:30,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1664590251, now seen corresponding path program 1 times [2022-11-02 20:43:30,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:30,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516827504] [2022-11-02 20:43:30,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:30,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:30,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:43:30,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:30,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516827504] [2022-11-02 20:43:30,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516827504] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:30,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:30,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:43:30,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39194471] [2022-11-02 20:43:30,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:30,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:43:30,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:30,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:43:30,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:43:30,683 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 295 [2022-11-02 20:43:30,685 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 201 transitions, 433 flow. Second operand has 6 states, 6 states have (on average 235.33333333333334) internal successors, (1412), 6 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:30,685 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:30,685 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 295 [2022-11-02 20:43:30,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:30,867 INFO L130 PetriNetUnfolder]: 30/411 cut-off events. [2022-11-02 20:43:30,867 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-11-02 20:43:30,869 INFO L83 FinitePrefix]: Finished finitePrefix Result has 544 conditions, 411 events. 30/411 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1146 event pairs, 9 based on Foata normal form. 5/392 useless extension candidates. Maximal degree in co-relation 477. Up to 51 conditions per place. [2022-11-02 20:43:30,870 INFO L137 encePairwiseOnDemand]: 285/295 looper letters, 29 selfloop transitions, 6 changer transitions 3/213 dead transitions. [2022-11-02 20:43:30,871 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 213 transitions, 535 flow [2022-11-02 20:43:30,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:43:30,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-11-02 20:43:30,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1671 transitions. [2022-11-02 20:43:30,875 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8092009685230024 [2022-11-02 20:43:30,876 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1671 transitions. [2022-11-02 20:43:30,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1671 transitions. [2022-11-02 20:43:30,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:30,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1671 transitions. [2022-11-02 20:43:30,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 238.71428571428572) internal successors, (1671), 7 states have internal predecessors, (1671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:30,885 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 295.0) internal successors, (2360), 8 states have internal predecessors, (2360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:30,886 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 295.0) internal successors, (2360), 8 states have internal predecessors, (2360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:30,886 INFO L175 Difference]: Start difference. First operand has 207 places, 201 transitions, 433 flow. Second operand 7 states and 1671 transitions. [2022-11-02 20:43:30,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 213 transitions, 535 flow [2022-11-02 20:43:30,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 213 transitions, 531 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:43:30,891 INFO L231 Difference]: Finished difference. Result has 213 places, 202 transitions, 455 flow [2022-11-02 20:43:30,891 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=429, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=455, PETRI_PLACES=213, PETRI_TRANSITIONS=202} [2022-11-02 20:43:30,892 INFO L287 CegarLoopForPetriNet]: 269 programPoint places, -56 predicate places. [2022-11-02 20:43:30,892 INFO L495 AbstractCegarLoop]: Abstraction has has 213 places, 202 transitions, 455 flow [2022-11-02 20:43:30,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 235.33333333333334) internal successors, (1412), 6 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:30,893 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:43:30,893 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:43:30,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-02 20:43:30,893 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2022-11-02 20:43:30,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:43:30,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1210877884, now seen corresponding path program 1 times [2022-11-02 20:43:30,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:43:30,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379662856] [2022-11-02 20:43:30,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:43:30,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:43:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:43:31,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:43:31,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:43:31,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379662856] [2022-11-02 20:43:31,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379662856] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:43:31,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:43:31,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:43:31,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354833853] [2022-11-02 20:43:31,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:43:31,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:43:31,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:43:31,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:43:31,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:43:31,436 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 295 [2022-11-02 20:43:31,438 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 202 transitions, 455 flow. Second operand has 6 states, 6 states have (on average 232.83333333333334) internal successors, (1397), 6 states have internal predecessors, (1397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:31,438 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:43:31,438 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 295 [2022-11-02 20:43:31,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:43:31,706 INFO L130 PetriNetUnfolder]: 153/606 cut-off events. [2022-11-02 20:43:31,706 INFO L131 PetriNetUnfolder]: For 227/245 co-relation queries the response was YES. [2022-11-02 20:43:31,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1113 conditions, 606 events. 153/606 cut-off events. For 227/245 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2846 event pairs, 94 based on Foata normal form. 0/537 useless extension candidates. Maximal degree in co-relation 1042. Up to 238 conditions per place. [2022-11-02 20:43:31,710 INFO L137 encePairwiseOnDemand]: 290/295 looper letters, 0 selfloop transitions, 0 changer transitions 209/209 dead transitions. [2022-11-02 20:43:31,710 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 209 transitions, 561 flow [2022-11-02 20:43:31,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:43:31,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:43:31,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1404 transitions. [2022-11-02 20:43:31,714 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7932203389830509 [2022-11-02 20:43:31,715 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1404 transitions. [2022-11-02 20:43:31,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1404 transitions. [2022-11-02 20:43:31,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:43:31,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1404 transitions. [2022-11-02 20:43:31,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 234.0) internal successors, (1404), 6 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:31,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 295.0) internal successors, (2065), 7 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:31,723 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 295.0) internal successors, (2065), 7 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:31,724 INFO L175 Difference]: Start difference. First operand has 213 places, 202 transitions, 455 flow. Second operand 6 states and 1404 transitions. [2022-11-02 20:43:31,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 209 transitions, 561 flow [2022-11-02 20:43:31,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 209 transitions, 551 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 20:43:31,728 INFO L231 Difference]: Finished difference. Result has 212 places, 0 transitions, 0 flow [2022-11-02 20:43:31,728 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=443, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=212, PETRI_TRANSITIONS=0} [2022-11-02 20:43:31,728 INFO L287 CegarLoopForPetriNet]: 269 programPoint places, -57 predicate places. [2022-11-02 20:43:31,729 INFO L495 AbstractCegarLoop]: Abstraction has has 212 places, 0 transitions, 0 flow [2022-11-02 20:43:31,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 232.83333333333334) internal successors, (1397), 6 states have internal predecessors, (1397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:43:31,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (95 of 96 remaining) [2022-11-02 20:43:31,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (94 of 96 remaining) [2022-11-02 20:43:31,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (93 of 96 remaining) [2022-11-02 20:43:31,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (92 of 96 remaining) [2022-11-02 20:43:31,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (91 of 96 remaining) [2022-11-02 20:43:31,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (90 of 96 remaining) [2022-11-02 20:43:31,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (89 of 96 remaining) [2022-11-02 20:43:31,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (88 of 96 remaining) [2022-11-02 20:43:31,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (87 of 96 remaining) [2022-11-02 20:43:31,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (86 of 96 remaining) [2022-11-02 20:43:31,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (85 of 96 remaining) [2022-11-02 20:43:31,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (84 of 96 remaining) [2022-11-02 20:43:31,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (83 of 96 remaining) [2022-11-02 20:43:31,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (82 of 96 remaining) [2022-11-02 20:43:31,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (81 of 96 remaining) [2022-11-02 20:43:31,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (80 of 96 remaining) [2022-11-02 20:43:31,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (79 of 96 remaining) [2022-11-02 20:43:31,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (78 of 96 remaining) [2022-11-02 20:43:31,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (77 of 96 remaining) [2022-11-02 20:43:31,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (76 of 96 remaining) [2022-11-02 20:43:31,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (75 of 96 remaining) [2022-11-02 20:43:31,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (74 of 96 remaining) [2022-11-02 20:43:31,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (73 of 96 remaining) [2022-11-02 20:43:31,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (72 of 96 remaining) [2022-11-02 20:43:31,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (71 of 96 remaining) [2022-11-02 20:43:31,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (70 of 96 remaining) [2022-11-02 20:43:31,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (69 of 96 remaining) [2022-11-02 20:43:31,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (68 of 96 remaining) [2022-11-02 20:43:31,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (67 of 96 remaining) [2022-11-02 20:43:31,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (66 of 96 remaining) [2022-11-02 20:43:31,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (65 of 96 remaining) [2022-11-02 20:43:31,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (64 of 96 remaining) [2022-11-02 20:43:31,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (63 of 96 remaining) [2022-11-02 20:43:31,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (62 of 96 remaining) [2022-11-02 20:43:31,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (61 of 96 remaining) [2022-11-02 20:43:31,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (60 of 96 remaining) [2022-11-02 20:43:31,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (59 of 96 remaining) [2022-11-02 20:43:31,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (58 of 96 remaining) [2022-11-02 20:43:31,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (57 of 96 remaining) [2022-11-02 20:43:31,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (56 of 96 remaining) [2022-11-02 20:43:31,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (55 of 96 remaining) [2022-11-02 20:43:31,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (54 of 96 remaining) [2022-11-02 20:43:31,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (53 of 96 remaining) [2022-11-02 20:43:31,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (52 of 96 remaining) [2022-11-02 20:43:31,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (51 of 96 remaining) [2022-11-02 20:43:31,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (50 of 96 remaining) [2022-11-02 20:43:31,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (49 of 96 remaining) [2022-11-02 20:43:31,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (48 of 96 remaining) [2022-11-02 20:43:31,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (47 of 96 remaining) [2022-11-02 20:43:31,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (46 of 96 remaining) [2022-11-02 20:43:31,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (45 of 96 remaining) [2022-11-02 20:43:31,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (44 of 96 remaining) [2022-11-02 20:43:31,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (43 of 96 remaining) [2022-11-02 20:43:31,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (42 of 96 remaining) [2022-11-02 20:43:31,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (41 of 96 remaining) [2022-11-02 20:43:31,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 96 remaining) [2022-11-02 20:43:31,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 96 remaining) [2022-11-02 20:43:31,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (38 of 96 remaining) [2022-11-02 20:43:31,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (37 of 96 remaining) [2022-11-02 20:43:31,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (36 of 96 remaining) [2022-11-02 20:43:31,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (35 of 96 remaining) [2022-11-02 20:43:31,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (34 of 96 remaining) [2022-11-02 20:43:31,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (33 of 96 remaining) [2022-11-02 20:43:31,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (32 of 96 remaining) [2022-11-02 20:43:31,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (31 of 96 remaining) [2022-11-02 20:43:31,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (30 of 96 remaining) [2022-11-02 20:43:31,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (29 of 96 remaining) [2022-11-02 20:43:31,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (28 of 96 remaining) [2022-11-02 20:43:31,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 96 remaining) [2022-11-02 20:43:31,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 96 remaining) [2022-11-02 20:43:31,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 96 remaining) [2022-11-02 20:43:31,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 96 remaining) [2022-11-02 20:43:31,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 96 remaining) [2022-11-02 20:43:31,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 96 remaining) [2022-11-02 20:43:31,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (21 of 96 remaining) [2022-11-02 20:43:31,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (20 of 96 remaining) [2022-11-02 20:43:31,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (19 of 96 remaining) [2022-11-02 20:43:31,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (18 of 96 remaining) [2022-11-02 20:43:31,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (17 of 96 remaining) [2022-11-02 20:43:31,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (16 of 96 remaining) [2022-11-02 20:43:31,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (15 of 96 remaining) [2022-11-02 20:43:31,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (14 of 96 remaining) [2022-11-02 20:43:31,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (13 of 96 remaining) [2022-11-02 20:43:31,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 96 remaining) [2022-11-02 20:43:31,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (11 of 96 remaining) [2022-11-02 20:43:31,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (10 of 96 remaining) [2022-11-02 20:43:31,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (9 of 96 remaining) [2022-11-02 20:43:31,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (8 of 96 remaining) [2022-11-02 20:43:31,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (7 of 96 remaining) [2022-11-02 20:43:31,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (6 of 96 remaining) [2022-11-02 20:43:31,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (5 of 96 remaining) [2022-11-02 20:43:31,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (4 of 96 remaining) [2022-11-02 20:43:31,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (3 of 96 remaining) [2022-11-02 20:43:31,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (2 of 96 remaining) [2022-11-02 20:43:31,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (1 of 96 remaining) [2022-11-02 20:43:31,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (0 of 96 remaining) [2022-11-02 20:43:31,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-02 20:43:31,752 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] [2022-11-02 20:43:31,758 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 20:43:31,758 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:43:31,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:43:31 BasicIcfg [2022-11-02 20:43:31,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:43:31,764 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:43:31,764 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:43:31,764 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:43:31,764 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:43:24" (3/4) ... [2022-11-02 20:43:31,767 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:43:31,772 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-02 20:43:31,772 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-02 20:43:31,777 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-02 20:43:31,777 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-02 20:43:31,778 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:43:31,778 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:43:31,817 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6430916-c46f-434b-8aa5-d963997949cf/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:43:31,817 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:43:31,818 INFO L158 Benchmark]: Toolchain (without parser) took 9425.27ms. Allocated memory was 119.5MB in the beginning and 308.3MB in the end (delta: 188.7MB). Free memory was 85.4MB in the beginning and 153.1MB in the end (delta: -67.7MB). Peak memory consumption was 121.9MB. Max. memory is 16.1GB. [2022-11-02 20:43:31,818 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 90.2MB. Free memory was 46.6MB in the beginning and 46.6MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:43:31,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.21ms. Allocated memory is still 119.5MB. Free memory was 85.4MB in the beginning and 92.8MB in the end (delta: -7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:43:31,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.70ms. Allocated memory is still 119.5MB. Free memory was 92.4MB in the beginning and 89.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:43:31,819 INFO L158 Benchmark]: Boogie Preprocessor took 81.44ms. Allocated memory is still 119.5MB. Free memory was 89.9MB in the beginning and 87.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:43:31,819 INFO L158 Benchmark]: RCFGBuilder took 1284.89ms. Allocated memory is still 119.5MB. Free memory was 87.4MB in the beginning and 90.9MB in the end (delta: -3.5MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2022-11-02 20:43:31,820 INFO L158 Benchmark]: TraceAbstraction took 7560.15ms. Allocated memory was 119.5MB in the beginning and 308.3MB in the end (delta: 188.7MB). Free memory was 90.2MB in the beginning and 157.3MB in the end (delta: -67.1MB). Peak memory consumption was 122.7MB. Max. memory is 16.1GB. [2022-11-02 20:43:31,820 INFO L158 Benchmark]: Witness Printer took 53.55ms. Allocated memory is still 308.3MB. Free memory was 157.3MB in the beginning and 153.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:43:31,822 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 90.2MB. Free memory was 46.6MB in the beginning and 46.6MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.21ms. Allocated memory is still 119.5MB. Free memory was 85.4MB in the beginning and 92.8MB in the end (delta: -7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.70ms. Allocated memory is still 119.5MB. Free memory was 92.4MB in the beginning and 89.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.44ms. Allocated memory is still 119.5MB. Free memory was 89.9MB in the beginning and 87.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1284.89ms. Allocated memory is still 119.5MB. Free memory was 87.4MB in the beginning and 90.9MB in the end (delta: -3.5MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * TraceAbstraction took 7560.15ms. Allocated memory was 119.5MB in the beginning and 308.3MB in the end (delta: 188.7MB). Free memory was 90.2MB in the beginning and 157.3MB in the end (delta: -67.1MB). Peak memory consumption was 122.7MB. Max. memory is 16.1GB. * Witness Printer took 53.55ms. Allocated memory is still 308.3MB. Free memory was 157.3MB in the beginning and 153.1MB 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: 49]: 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 62]: 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: 62]: 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: 62]: 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: 69]: 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: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: 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: 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: 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: 116]: 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: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: 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: 104]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 383 locations, 96 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: 7.4s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 148 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 148 mSDsluCounter, 191 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 118 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 657 IncrementalHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 188 mSDtfsCounter, 657 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=556occurred in iteration=0, InterpolantAutomatonStates: 79, 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, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2055 NumberOfCodeBlocks, 2055 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2033 ConstructedInterpolants, 0 QuantifiedInterpolants, 2454 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 1/1 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 55 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-02 20:43:31,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6430916-c46f-434b-8aa5-d963997949cf/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE