./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 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_e4e9d40d-8f53-45d5-8722-d443b58c643d/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e9d40d-8f53-45d5-8722-d443b58c643d/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e9d40d-8f53-45d5-8722-d443b58c643d/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e9d40d-8f53-45d5-8722-d443b58c643d/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e9d40d-8f53-45d5-8722-d443b58c643d/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e9d40d-8f53-45d5-8722-d443b58c643d/bin/uautomizer-vX5HgA9Q3a --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 df820220e47314ad1ae7e5e69c959ff16aa366a463fd9290864972c0f85d142a --- 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-b5237d8 [2022-11-21 16:25:08,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:25:08,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:25:08,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:25:08,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:25:08,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:25:08,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:25:08,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:25:08,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:25:08,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:25:08,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:25:08,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:25:08,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:25:08,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:25:08,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:25:08,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:25:08,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:25:08,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:25:08,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:25:08,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:25:08,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:25:08,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:25:08,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:25:08,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:25:08,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:25:08,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:25:08,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:25:08,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:25:08,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:25:08,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:25:08,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:25:08,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:25:08,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:25:08,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:25:08,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:25:08,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:25:08,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:25:08,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:25:08,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:25:08,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:25:08,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:25:08,902 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e9d40d-8f53-45d5-8722-d443b58c643d/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 16:25:08,934 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:25:08,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:25:08,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:25:08,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:25:08,937 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:25:08,938 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:25:08,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:25:08,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:25:08,939 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:25:08,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:25:08,941 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:25:08,941 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:25:08,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:25:08,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:25:08,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:25:08,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:25:08,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:25:08,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:25:08,943 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 16:25:08,944 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:25:08,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:25:08,944 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:25:08,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:25:08,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:25:08,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:25:08,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:25:08,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:25:08,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:25:08,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:25:08,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:25:08,947 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:25:08,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:25:08,948 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:25:08,948 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:25:08,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:25:08,948 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_e4e9d40d-8f53-45d5-8722-d443b58c643d/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e9d40d-8f53-45d5-8722-d443b58c643d/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df820220e47314ad1ae7e5e69c959ff16aa366a463fd9290864972c0f85d142a [2022-11-21 16:25:09,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:25:09,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:25:09,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:25:09,317 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:25:09,318 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:25:09,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e9d40d-8f53-45d5-8722-d443b58c643d/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2022-11-21 16:25:12,410 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:25:12,696 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:25:12,697 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e9d40d-8f53-45d5-8722-d443b58c643d/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2022-11-21 16:25:12,705 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e9d40d-8f53-45d5-8722-d443b58c643d/bin/uautomizer-vX5HgA9Q3a/data/35b8b0717/5ea2fe29ff914f6c949b2f0a6b81d6bd/FLAG14a0679cb [2022-11-21 16:25:12,720 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e9d40d-8f53-45d5-8722-d443b58c643d/bin/uautomizer-vX5HgA9Q3a/data/35b8b0717/5ea2fe29ff914f6c949b2f0a6b81d6bd [2022-11-21 16:25:12,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:25:12,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:25:12,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:25:12,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:25:12,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:25:12,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:25:12" (1/1) ... [2022-11-21 16:25:12,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec15b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:25:12, skipping insertion in model container [2022-11-21 16:25:12,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:25:12" (1/1) ... [2022-11-21 16:25:12,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:25:12,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:25:13,064 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e9d40d-8f53-45d5-8722-d443b58c643d/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2022-11-21 16:25:13,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:25:13,084 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:25:13,128 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e9d40d-8f53-45d5-8722-d443b58c643d/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2022-11-21 16:25:13,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:25:13,149 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:25:13,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:25:13 WrapperNode [2022-11-21 16:25:13,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:25:13,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:25:13,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:25:13,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:25:13,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:25:13" (1/1) ... [2022-11-21 16:25:13,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:25:13" (1/1) ... [2022-11-21 16:25:13,219 INFO L138 Inliner]: procedures = 27, calls = 76, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 603 [2022-11-21 16:25:13,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:25:13,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:25:13,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:25:13,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:25:13,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:25:13" (1/1) ... [2022-11-21 16:25:13,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:25:13" (1/1) ... [2022-11-21 16:25:13,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:25:13" (1/1) ... [2022-11-21 16:25:13,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:25:13" (1/1) ... [2022-11-21 16:25:13,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:25:13" (1/1) ... [2022-11-21 16:25:13,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:25:13" (1/1) ... [2022-11-21 16:25:13,285 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:25:13" (1/1) ... [2022-11-21 16:25:13,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:25:13" (1/1) ... [2022-11-21 16:25:13,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:25:13,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:25:13,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:25:13,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:25:13,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:25:13" (1/1) ... [2022-11-21 16:25:13,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:25:13,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e9d40d-8f53-45d5-8722-d443b58c643d/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:25:13,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e9d40d-8f53-45d5-8722-d443b58c643d/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:25:13,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e9d40d-8f53-45d5-8722-d443b58c643d/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:25:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:25:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:25:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:25:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:25:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 16:25:13,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 16:25:13,390 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 16:25:13,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 16:25:13,390 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 16:25:13,391 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 16:25:13,391 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-21 16:25:13,391 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-21 16:25:13,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:25:13,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 16:25:13,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 16:25:13,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:25:13,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:25:13,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:25:13,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:25:13,395 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 16:25:13,596 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:25:13,599 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:25:14,623 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:25:15,252 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:25:15,252 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-21 16:25:15,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:25:15 BoogieIcfgContainer [2022-11-21 16:25:15,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:25:15,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:25:15,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:25:15,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:25:15,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:25:12" (1/3) ... [2022-11-21 16:25:15,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e76d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:25:15, skipping insertion in model container [2022-11-21 16:25:15,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:25:13" (2/3) ... [2022-11-21 16:25:15,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e76d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:25:15, skipping insertion in model container [2022-11-21 16:25:15,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:25:15" (3/3) ... [2022-11-21 16:25:15,271 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult2.wvr.c [2022-11-21 16:25:15,281 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 16:25:15,292 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:25:15,293 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 93 error locations. [2022-11-21 16:25:15,293 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 16:25:15,476 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-21 16:25:15,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 408 places, 414 transitions, 860 flow [2022-11-21 16:25:15,799 INFO L130 PetriNetUnfolder]: 19/410 cut-off events. [2022-11-21 16:25:15,799 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-21 16:25:15,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 427 conditions, 410 events. 19/410 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 547 event pairs, 0 based on Foata normal form. 0/298 useless extension candidates. Maximal degree in co-relation 325. Up to 2 conditions per place. [2022-11-21 16:25:15,811 INFO L82 GeneralOperation]: Start removeDead. Operand has 408 places, 414 transitions, 860 flow [2022-11-21 16:25:15,825 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 383 places, 388 transitions, 800 flow [2022-11-21 16:25:15,842 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:25:15,850 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;@40cb663a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:25:15,851 INFO L358 AbstractCegarLoop]: Starting to check reachability of 167 error locations. [2022-11-21 16:25:15,857 INFO L130 PetriNetUnfolder]: 0/33 cut-off events. [2022-11-21 16:25:15,857 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:25:15,858 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:25:15,859 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:15,860 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2022-11-21 16:25:15,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:15,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1031131335, now seen corresponding path program 1 times [2022-11-21 16:25:15,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:15,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480318698] [2022-11-21 16:25:15,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:15,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:16,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:16,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:16,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480318698] [2022-11-21 16:25:16,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480318698] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:16,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:16,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:25:16,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930361933] [2022-11-21 16:25:16,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:16,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:25:16,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:16,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:25:16,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:25:16,223 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 414 [2022-11-21 16:25:16,226 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 388 transitions, 800 flow. Second operand has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:16,226 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:25:16,227 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 414 [2022-11-21 16:25:16,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:25:16,916 INFO L130 PetriNetUnfolder]: 451/1182 cut-off events. [2022-11-21 16:25:16,916 INFO L131 PetriNetUnfolder]: For 162/233 co-relation queries the response was YES. [2022-11-21 16:25:16,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1924 conditions, 1182 events. 451/1182 cut-off events. For 162/233 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5151 event pairs, 272 based on Foata normal form. 183/1197 useless extension candidates. Maximal degree in co-relation 1540. Up to 615 conditions per place. [2022-11-21 16:25:16,933 INFO L137 encePairwiseOnDemand]: 330/414 looper letters, 26 selfloop transitions, 2 changer transitions 5/306 dead transitions. [2022-11-21 16:25:16,933 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 306 transitions, 692 flow [2022-11-21 16:25:16,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:25:16,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:25:16,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1016 transitions. [2022-11-21 16:25:16,956 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8180354267310789 [2022-11-21 16:25:16,957 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1016 transitions. [2022-11-21 16:25:16,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1016 transitions. [2022-11-21 16:25:16,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:16,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1016 transitions. [2022-11-21 16:25:16,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 3 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:16,981 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:16,983 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:16,985 INFO L175 Difference]: Start difference. First operand has 383 places, 388 transitions, 800 flow. Second operand 3 states and 1016 transitions. [2022-11-21 16:25:16,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 306 transitions, 692 flow [2022-11-21 16:25:16,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 306 transitions, 676 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-11-21 16:25:17,005 INFO L231 Difference]: Finished difference. Result has 306 places, 301 transitions, 614 flow [2022-11-21 16:25:17,008 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=614, PETRI_PLACES=306, PETRI_TRANSITIONS=301} [2022-11-21 16:25:17,012 INFO L288 CegarLoopForPetriNet]: 383 programPoint places, -77 predicate places. [2022-11-21 16:25:17,013 INFO L495 AbstractCegarLoop]: Abstraction has has 306 places, 301 transitions, 614 flow [2022-11-21 16:25:17,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:17,014 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:25:17,014 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:17,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:25:17,015 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2022-11-21 16:25:17,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:17,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1771780771, now seen corresponding path program 1 times [2022-11-21 16:25:17,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:17,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353454109] [2022-11-21 16:25:17,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:17,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:17,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:17,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:17,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353454109] [2022-11-21 16:25:17,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353454109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:17,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:17,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:25:17,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997913838] [2022-11-21 16:25:17,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:17,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:25:17,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:17,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:25:17,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:25:17,138 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 414 [2022-11-21 16:25:17,140 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 301 transitions, 614 flow. Second operand has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:17,140 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:25:17,140 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 414 [2022-11-21 16:25:17,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:25:17,622 INFO L130 PetriNetUnfolder]: 451/1176 cut-off events. [2022-11-21 16:25:17,623 INFO L131 PetriNetUnfolder]: For 40/111 co-relation queries the response was YES. [2022-11-21 16:25:17,627 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1837 conditions, 1176 events. 451/1176 cut-off events. For 40/111 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5135 event pairs, 272 based on Foata normal form. 0/1014 useless extension candidates. Maximal degree in co-relation 1795. Up to 615 conditions per place. [2022-11-21 16:25:17,634 INFO L137 encePairwiseOnDemand]: 411/414 looper letters, 26 selfloop transitions, 2 changer transitions 0/300 dead transitions. [2022-11-21 16:25:17,634 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 300 transitions, 668 flow [2022-11-21 16:25:17,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:25:17,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:25:17,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 935 transitions. [2022-11-21 16:25:17,637 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7528180354267311 [2022-11-21 16:25:17,637 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 935 transitions. [2022-11-21 16:25:17,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 935 transitions. [2022-11-21 16:25:17,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:17,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 935 transitions. [2022-11-21 16:25:17,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 311.6666666666667) internal successors, (935), 3 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:17,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:17,645 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:17,646 INFO L175 Difference]: Start difference. First operand has 306 places, 301 transitions, 614 flow. Second operand 3 states and 935 transitions. [2022-11-21 16:25:17,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 300 transitions, 668 flow [2022-11-21 16:25:17,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 300 transitions, 664 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:25:17,657 INFO L231 Difference]: Finished difference. Result has 300 places, 300 transitions, 612 flow [2022-11-21 16:25:17,658 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=300, PETRI_TRANSITIONS=300} [2022-11-21 16:25:17,658 INFO L288 CegarLoopForPetriNet]: 383 programPoint places, -83 predicate places. [2022-11-21 16:25:17,659 INFO L495 AbstractCegarLoop]: Abstraction has has 300 places, 300 transitions, 612 flow [2022-11-21 16:25:17,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:17,660 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:25:17,660 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:17,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:25:17,661 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2022-11-21 16:25:17,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:17,661 INFO L85 PathProgramCache]: Analyzing trace with hash -443828394, now seen corresponding path program 1 times [2022-11-21 16:25:17,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:17,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546835072] [2022-11-21 16:25:17,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:17,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:17,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:17,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:17,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546835072] [2022-11-21 16:25:17,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546835072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:17,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:17,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:25:17,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194379996] [2022-11-21 16:25:17,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:17,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:25:17,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:17,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:25:17,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:25:17,810 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 414 [2022-11-21 16:25:17,811 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 300 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:17,811 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:25:17,812 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 414 [2022-11-21 16:25:17,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:25:18,220 INFO L130 PetriNetUnfolder]: 451/1175 cut-off events. [2022-11-21 16:25:18,220 INFO L131 PetriNetUnfolder]: For 40/111 co-relation queries the response was YES. [2022-11-21 16:25:18,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1836 conditions, 1175 events. 451/1175 cut-off events. For 40/111 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5138 event pairs, 272 based on Foata normal form. 0/1014 useless extension candidates. Maximal degree in co-relation 1787. Up to 615 conditions per place. [2022-11-21 16:25:18,231 INFO L137 encePairwiseOnDemand]: 411/414 looper letters, 26 selfloop transitions, 2 changer transitions 0/299 dead transitions. [2022-11-21 16:25:18,232 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 299 transitions, 666 flow [2022-11-21 16:25:18,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:25:18,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:25:18,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 935 transitions. [2022-11-21 16:25:18,236 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7528180354267311 [2022-11-21 16:25:18,236 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 935 transitions. [2022-11-21 16:25:18,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 935 transitions. [2022-11-21 16:25:18,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:18,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 935 transitions. [2022-11-21 16:25:18,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 311.6666666666667) internal successors, (935), 3 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:18,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:18,244 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:18,244 INFO L175 Difference]: Start difference. First operand has 300 places, 300 transitions, 612 flow. Second operand 3 states and 935 transitions. [2022-11-21 16:25:18,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 299 transitions, 666 flow [2022-11-21 16:25:18,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 299 transitions, 662 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:25:18,252 INFO L231 Difference]: Finished difference. Result has 299 places, 299 transitions, 610 flow [2022-11-21 16:25:18,253 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=610, PETRI_PLACES=299, PETRI_TRANSITIONS=299} [2022-11-21 16:25:18,254 INFO L288 CegarLoopForPetriNet]: 383 programPoint places, -84 predicate places. [2022-11-21 16:25:18,254 INFO L495 AbstractCegarLoop]: Abstraction has has 299 places, 299 transitions, 610 flow [2022-11-21 16:25:18,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:18,255 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:25:18,256 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:18,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:25:18,256 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2022-11-21 16:25:18,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:18,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1756209855, now seen corresponding path program 1 times [2022-11-21 16:25:18,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:18,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986601191] [2022-11-21 16:25:18,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:18,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:18,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:18,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:18,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986601191] [2022-11-21 16:25:18,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986601191] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:18,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:18,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:25:18,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121603972] [2022-11-21 16:25:18,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:18,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:25:18,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:18,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:25:18,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:25:18,322 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 414 [2022-11-21 16:25:18,323 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 299 transitions, 610 flow. Second operand has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:18,324 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:25:18,324 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 414 [2022-11-21 16:25:18,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:25:18,733 INFO L130 PetriNetUnfolder]: 451/1174 cut-off events. [2022-11-21 16:25:18,733 INFO L131 PetriNetUnfolder]: For 40/111 co-relation queries the response was YES. [2022-11-21 16:25:18,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1835 conditions, 1174 events. 451/1174 cut-off events. For 40/111 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5125 event pairs, 272 based on Foata normal form. 0/1014 useless extension candidates. Maximal degree in co-relation 1779. Up to 615 conditions per place. [2022-11-21 16:25:18,744 INFO L137 encePairwiseOnDemand]: 411/414 looper letters, 26 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2022-11-21 16:25:18,745 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 298 transitions, 664 flow [2022-11-21 16:25:18,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:25:18,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:25:18,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 935 transitions. [2022-11-21 16:25:18,787 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7528180354267311 [2022-11-21 16:25:18,787 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 935 transitions. [2022-11-21 16:25:18,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 935 transitions. [2022-11-21 16:25:18,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:18,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 935 transitions. [2022-11-21 16:25:18,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 311.6666666666667) internal successors, (935), 3 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:18,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:18,796 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:18,801 INFO L175 Difference]: Start difference. First operand has 299 places, 299 transitions, 610 flow. Second operand 3 states and 935 transitions. [2022-11-21 16:25:18,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 298 transitions, 664 flow [2022-11-21 16:25:18,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 298 transitions, 660 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:25:18,807 INFO L231 Difference]: Finished difference. Result has 298 places, 298 transitions, 608 flow [2022-11-21 16:25:18,808 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=604, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=608, PETRI_PLACES=298, PETRI_TRANSITIONS=298} [2022-11-21 16:25:18,810 INFO L288 CegarLoopForPetriNet]: 383 programPoint places, -85 predicate places. [2022-11-21 16:25:18,810 INFO L495 AbstractCegarLoop]: Abstraction has has 298 places, 298 transitions, 608 flow [2022-11-21 16:25:18,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:18,811 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:25:18,811 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:18,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:25:18,811 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2022-11-21 16:25:18,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:18,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1953487152, now seen corresponding path program 1 times [2022-11-21 16:25:18,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:18,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970400586] [2022-11-21 16:25:18,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:18,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:18,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:18,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:18,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970400586] [2022-11-21 16:25:18,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970400586] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:18,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:18,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:25:18,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868959406] [2022-11-21 16:25:18,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:18,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:25:18,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:18,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:25:18,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:25:18,926 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 414 [2022-11-21 16:25:18,927 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 298 transitions, 608 flow. Second operand has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:18,927 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:25:18,927 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 414 [2022-11-21 16:25:18,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:25:19,337 INFO L130 PetriNetUnfolder]: 451/1173 cut-off events. [2022-11-21 16:25:19,338 INFO L131 PetriNetUnfolder]: For 40/111 co-relation queries the response was YES. [2022-11-21 16:25:19,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1834 conditions, 1173 events. 451/1173 cut-off events. For 40/111 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5125 event pairs, 272 based on Foata normal form. 0/1014 useless extension candidates. Maximal degree in co-relation 1771. Up to 615 conditions per place. [2022-11-21 16:25:19,348 INFO L137 encePairwiseOnDemand]: 411/414 looper letters, 26 selfloop transitions, 2 changer transitions 0/297 dead transitions. [2022-11-21 16:25:19,348 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 297 transitions, 662 flow [2022-11-21 16:25:19,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:25:19,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:25:19,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 935 transitions. [2022-11-21 16:25:19,352 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7528180354267311 [2022-11-21 16:25:19,352 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 935 transitions. [2022-11-21 16:25:19,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 935 transitions. [2022-11-21 16:25:19,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:19,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 935 transitions. [2022-11-21 16:25:19,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 311.6666666666667) internal successors, (935), 3 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:19,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:19,361 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:19,361 INFO L175 Difference]: Start difference. First operand has 298 places, 298 transitions, 608 flow. Second operand 3 states and 935 transitions. [2022-11-21 16:25:19,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 297 transitions, 662 flow [2022-11-21 16:25:19,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 297 transitions, 658 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:25:19,368 INFO L231 Difference]: Finished difference. Result has 297 places, 297 transitions, 606 flow [2022-11-21 16:25:19,369 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=606, PETRI_PLACES=297, PETRI_TRANSITIONS=297} [2022-11-21 16:25:19,373 INFO L288 CegarLoopForPetriNet]: 383 programPoint places, -86 predicate places. [2022-11-21 16:25:19,373 INFO L495 AbstractCegarLoop]: Abstraction has has 297 places, 297 transitions, 606 flow [2022-11-21 16:25:19,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:19,374 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:25:19,375 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:19,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:25:19,375 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2022-11-21 16:25:19,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:19,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1772072742, now seen corresponding path program 1 times [2022-11-21 16:25:19,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:19,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757252629] [2022-11-21 16:25:19,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:19,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:19,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:19,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:19,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757252629] [2022-11-21 16:25:19,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757252629] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:19,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:19,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:25:19,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796826953] [2022-11-21 16:25:19,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:19,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:25:19,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:19,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:25:19,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:25:19,498 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 414 [2022-11-21 16:25:19,499 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 297 transitions, 606 flow. Second operand has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:19,500 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:25:19,500 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 414 [2022-11-21 16:25:19,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:25:20,011 INFO L130 PetriNetUnfolder]: 595/1535 cut-off events. [2022-11-21 16:25:20,011 INFO L131 PetriNetUnfolder]: For 57/157 co-relation queries the response was YES. [2022-11-21 16:25:20,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2397 conditions, 1535 events. 595/1535 cut-off events. For 57/157 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 7558 event pairs, 171 based on Foata normal form. 0/1331 useless extension candidates. Maximal degree in co-relation 2326. Up to 436 conditions per place. [2022-11-21 16:25:20,023 INFO L137 encePairwiseOnDemand]: 411/414 looper letters, 37 selfloop transitions, 2 changer transitions 0/311 dead transitions. [2022-11-21 16:25:20,023 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 311 transitions, 717 flow [2022-11-21 16:25:20,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:25:20,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:25:20,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 955 transitions. [2022-11-21 16:25:20,026 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7689210950080515 [2022-11-21 16:25:20,026 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 955 transitions. [2022-11-21 16:25:20,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 955 transitions. [2022-11-21 16:25:20,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:20,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 955 transitions. [2022-11-21 16:25:20,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:20,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:20,034 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:20,034 INFO L175 Difference]: Start difference. First operand has 297 places, 297 transitions, 606 flow. Second operand 3 states and 955 transitions. [2022-11-21 16:25:20,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 311 transitions, 717 flow [2022-11-21 16:25:20,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 311 transitions, 713 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:25:20,046 INFO L231 Difference]: Finished difference. Result has 297 places, 297 transitions, 610 flow [2022-11-21 16:25:20,046 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=600, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=610, PETRI_PLACES=297, PETRI_TRANSITIONS=297} [2022-11-21 16:25:20,050 INFO L288 CegarLoopForPetriNet]: 383 programPoint places, -86 predicate places. [2022-11-21 16:25:20,050 INFO L495 AbstractCegarLoop]: Abstraction has has 297 places, 297 transitions, 610 flow [2022-11-21 16:25:20,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:20,052 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:25:20,052 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:20,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:25:20,053 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2022-11-21 16:25:20,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:20,054 INFO L85 PathProgramCache]: Analyzing trace with hash 693310660, now seen corresponding path program 1 times [2022-11-21 16:25:20,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:20,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542517501] [2022-11-21 16:25:20,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:20,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:20,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:20,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:20,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542517501] [2022-11-21 16:25:20,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542517501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:20,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:20,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:25:20,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667545393] [2022-11-21 16:25:20,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:20,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:25:20,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:20,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:25:20,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:25:20,146 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 414 [2022-11-21 16:25:20,147 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 297 transitions, 610 flow. Second operand has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:20,148 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:25:20,148 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 414 [2022-11-21 16:25:20,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:25:20,691 INFO L130 PetriNetUnfolder]: 595/1522 cut-off events. [2022-11-21 16:25:20,691 INFO L131 PetriNetUnfolder]: For 153/253 co-relation queries the response was YES. [2022-11-21 16:25:20,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2529 conditions, 1522 events. 595/1522 cut-off events. For 153/253 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 7695 event pairs, 375 based on Foata normal form. 0/1314 useless extension candidates. Maximal degree in co-relation 1223. Up to 808 conditions per place. [2022-11-21 16:25:20,706 INFO L137 encePairwiseOnDemand]: 411/414 looper letters, 24 selfloop transitions, 2 changer transitions 0/296 dead transitions. [2022-11-21 16:25:20,707 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 296 transitions, 660 flow [2022-11-21 16:25:20,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:25:20,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:25:20,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 941 transitions. [2022-11-21 16:25:20,710 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7576489533011272 [2022-11-21 16:25:20,710 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 941 transitions. [2022-11-21 16:25:20,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 941 transitions. [2022-11-21 16:25:20,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:20,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 941 transitions. [2022-11-21 16:25:20,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:20,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:20,717 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:20,717 INFO L175 Difference]: Start difference. First operand has 297 places, 297 transitions, 610 flow. Second operand 3 states and 941 transitions. [2022-11-21 16:25:20,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 296 transitions, 660 flow [2022-11-21 16:25:20,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 296 transitions, 658 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:25:20,724 INFO L231 Difference]: Finished difference. Result has 297 places, 296 transitions, 610 flow [2022-11-21 16:25:20,724 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=610, PETRI_PLACES=297, PETRI_TRANSITIONS=296} [2022-11-21 16:25:20,725 INFO L288 CegarLoopForPetriNet]: 383 programPoint places, -86 predicate places. [2022-11-21 16:25:20,725 INFO L495 AbstractCegarLoop]: Abstraction has has 297 places, 296 transitions, 610 flow [2022-11-21 16:25:20,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:20,726 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:25:20,726 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:20,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:25:20,728 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2022-11-21 16:25:20,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:20,729 INFO L85 PathProgramCache]: Analyzing trace with hash 231860542, now seen corresponding path program 1 times [2022-11-21 16:25:20,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:20,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215564505] [2022-11-21 16:25:20,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:20,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:20,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:20,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:20,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215564505] [2022-11-21 16:25:20,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215564505] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:20,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:20,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:25:20,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175700567] [2022-11-21 16:25:20,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:20,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:25:20,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:20,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:25:20,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:25:20,803 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 414 [2022-11-21 16:25:20,804 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 296 transitions, 610 flow. Second operand has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:20,804 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:25:20,804 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 414 [2022-11-21 16:25:20,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:25:21,251 INFO L130 PetriNetUnfolder]: 595/1521 cut-off events. [2022-11-21 16:25:21,251 INFO L131 PetriNetUnfolder]: For 152/252 co-relation queries the response was YES. [2022-11-21 16:25:21,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2485 conditions, 1521 events. 595/1521 cut-off events. For 152/252 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 7707 event pairs, 375 based on Foata normal form. 0/1314 useless extension candidates. Maximal degree in co-relation 2406. Up to 811 conditions per place. [2022-11-21 16:25:21,264 INFO L137 encePairwiseOnDemand]: 411/414 looper letters, 27 selfloop transitions, 2 changer transitions 0/295 dead transitions. [2022-11-21 16:25:21,264 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 295 transitions, 666 flow [2022-11-21 16:25:21,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:25:21,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:25:21,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 935 transitions. [2022-11-21 16:25:21,267 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7528180354267311 [2022-11-21 16:25:21,267 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 935 transitions. [2022-11-21 16:25:21,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 935 transitions. [2022-11-21 16:25:21,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:21,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 935 transitions. [2022-11-21 16:25:21,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 311.6666666666667) internal successors, (935), 3 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:21,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:21,274 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:21,274 INFO L175 Difference]: Start difference. First operand has 297 places, 296 transitions, 610 flow. Second operand 3 states and 935 transitions. [2022-11-21 16:25:21,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 295 transitions, 666 flow [2022-11-21 16:25:21,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 295 transitions, 662 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:25:21,280 INFO L231 Difference]: Finished difference. Result has 296 places, 295 transitions, 608 flow [2022-11-21 16:25:21,281 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=604, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=608, PETRI_PLACES=296, PETRI_TRANSITIONS=295} [2022-11-21 16:25:21,281 INFO L288 CegarLoopForPetriNet]: 383 programPoint places, -87 predicate places. [2022-11-21 16:25:21,281 INFO L495 AbstractCegarLoop]: Abstraction has has 296 places, 295 transitions, 608 flow [2022-11-21 16:25:21,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:21,282 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:25:21,282 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:21,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 16:25:21,283 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2022-11-21 16:25:21,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:21,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1753309315, now seen corresponding path program 1 times [2022-11-21 16:25:21,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:21,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093329426] [2022-11-21 16:25:21,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:21,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:21,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:21,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:21,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093329426] [2022-11-21 16:25:21,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093329426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:21,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:21,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:25:21,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013625146] [2022-11-21 16:25:21,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:21,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:25:21,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:21,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:25:21,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:25:21,325 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 414 [2022-11-21 16:25:21,327 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 295 transitions, 608 flow. Second operand has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:21,327 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:25:21,327 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 414 [2022-11-21 16:25:21,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:25:22,010 INFO L130 PetriNetUnfolder]: 749/2132 cut-off events. [2022-11-21 16:25:22,011 INFO L131 PetriNetUnfolder]: For 199/298 co-relation queries the response was YES. [2022-11-21 16:25:22,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3328 conditions, 2132 events. 749/2132 cut-off events. For 199/298 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 12634 event pairs, 280 based on Foata normal form. 0/1851 useless extension candidates. Maximal degree in co-relation 3241. Up to 544 conditions per place. [2022-11-21 16:25:22,029 INFO L137 encePairwiseOnDemand]: 411/414 looper letters, 38 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2022-11-21 16:25:22,029 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 309 transitions, 724 flow [2022-11-21 16:25:22,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:25:22,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:25:22,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 954 transitions. [2022-11-21 16:25:22,032 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7681159420289855 [2022-11-21 16:25:22,033 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 954 transitions. [2022-11-21 16:25:22,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 954 transitions. [2022-11-21 16:25:22,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:22,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 954 transitions. [2022-11-21 16:25:22,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:22,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:22,066 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:22,066 INFO L175 Difference]: Start difference. First operand has 296 places, 295 transitions, 608 flow. Second operand 3 states and 954 transitions. [2022-11-21 16:25:22,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 309 transitions, 724 flow [2022-11-21 16:25:22,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 309 transitions, 720 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:25:22,072 INFO L231 Difference]: Finished difference. Result has 296 places, 295 transitions, 612 flow [2022-11-21 16:25:22,073 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=296, PETRI_TRANSITIONS=295} [2022-11-21 16:25:22,073 INFO L288 CegarLoopForPetriNet]: 383 programPoint places, -87 predicate places. [2022-11-21 16:25:22,073 INFO L495 AbstractCegarLoop]: Abstraction has has 296 places, 295 transitions, 612 flow [2022-11-21 16:25:22,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:22,074 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:25:22,074 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:22,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 16:25:22,075 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2022-11-21 16:25:22,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:22,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1931570271, now seen corresponding path program 1 times [2022-11-21 16:25:22,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:22,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765950996] [2022-11-21 16:25:22,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:22,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:22,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:22,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:22,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765950996] [2022-11-21 16:25:22,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765950996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:22,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:22,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:25:22,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25994863] [2022-11-21 16:25:22,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:22,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:25:22,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:22,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:25:22,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:25:22,115 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 414 [2022-11-21 16:25:22,117 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 295 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:22,117 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:25:22,117 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 414 [2022-11-21 16:25:22,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:25:22,731 INFO L130 PetriNetUnfolder]: 749/1951 cut-off events. [2022-11-21 16:25:22,731 INFO L131 PetriNetUnfolder]: For 307/436 co-relation queries the response was YES. [2022-11-21 16:25:22,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3310 conditions, 1951 events. 749/1951 cut-off events. For 307/436 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 11292 event pairs, 488 based on Foata normal form. 0/1681 useless extension candidates. Maximal degree in co-relation 1843. Up to 1018 conditions per place. [2022-11-21 16:25:22,746 INFO L137 encePairwiseOnDemand]: 411/414 looper letters, 25 selfloop transitions, 2 changer transitions 0/294 dead transitions. [2022-11-21 16:25:22,746 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 294 transitions, 664 flow [2022-11-21 16:25:22,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:25:22,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:25:22,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 941 transitions. [2022-11-21 16:25:22,749 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7576489533011272 [2022-11-21 16:25:22,750 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 941 transitions. [2022-11-21 16:25:22,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 941 transitions. [2022-11-21 16:25:22,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:22,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 941 transitions. [2022-11-21 16:25:22,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:22,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:22,756 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:22,756 INFO L175 Difference]: Start difference. First operand has 296 places, 295 transitions, 612 flow. Second operand 3 states and 941 transitions. [2022-11-21 16:25:22,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 294 transitions, 664 flow [2022-11-21 16:25:22,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 294 transitions, 662 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:25:22,762 INFO L231 Difference]: Finished difference. Result has 296 places, 294 transitions, 612 flow [2022-11-21 16:25:22,763 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=296, PETRI_TRANSITIONS=294} [2022-11-21 16:25:22,763 INFO L288 CegarLoopForPetriNet]: 383 programPoint places, -87 predicate places. [2022-11-21 16:25:22,764 INFO L495 AbstractCegarLoop]: Abstraction has has 296 places, 294 transitions, 612 flow [2022-11-21 16:25:22,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:22,764 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:25:22,764 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:22,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 16:25:22,765 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2022-11-21 16:25:22,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:22,766 INFO L85 PathProgramCache]: Analyzing trace with hash -560383611, now seen corresponding path program 1 times [2022-11-21 16:25:22,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:22,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066428204] [2022-11-21 16:25:22,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:22,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:22,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:22,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:22,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066428204] [2022-11-21 16:25:22,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066428204] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:22,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:22,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:25:22,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956196568] [2022-11-21 16:25:22,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:22,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:25:22,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:22,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:25:22,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:25:22,805 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 414 [2022-11-21 16:25:22,806 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 294 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:22,806 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:25:22,806 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 414 [2022-11-21 16:25:22,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:25:23,344 INFO L130 PetriNetUnfolder]: 749/1950 cut-off events. [2022-11-21 16:25:23,344 INFO L131 PetriNetUnfolder]: For 306/435 co-relation queries the response was YES. [2022-11-21 16:25:23,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3256 conditions, 1950 events. 749/1950 cut-off events. For 306/435 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 11282 event pairs, 488 based on Foata normal form. 0/1681 useless extension candidates. Maximal degree in co-relation 3160. Up to 1016 conditions per place. [2022-11-21 16:25:23,359 INFO L137 encePairwiseOnDemand]: 412/414 looper letters, 25 selfloop transitions, 1 changer transitions 0/293 dead transitions. [2022-11-21 16:25:23,360 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 293 transitions, 662 flow [2022-11-21 16:25:23,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:25:23,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:25:23,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 940 transitions. [2022-11-21 16:25:23,370 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7568438003220612 [2022-11-21 16:25:23,370 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 940 transitions. [2022-11-21 16:25:23,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 940 transitions. [2022-11-21 16:25:23,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:23,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 940 transitions. [2022-11-21 16:25:23,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:23,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:23,377 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:23,378 INFO L175 Difference]: Start difference. First operand has 296 places, 294 transitions, 612 flow. Second operand 3 states and 940 transitions. [2022-11-21 16:25:23,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 293 transitions, 662 flow [2022-11-21 16:25:23,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 293 transitions, 658 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:25:23,383 INFO L231 Difference]: Finished difference. Result has 295 places, 293 transitions, 608 flow [2022-11-21 16:25:23,384 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=608, PETRI_PLACES=295, PETRI_TRANSITIONS=293} [2022-11-21 16:25:23,385 INFO L288 CegarLoopForPetriNet]: 383 programPoint places, -88 predicate places. [2022-11-21 16:25:23,385 INFO L495 AbstractCegarLoop]: Abstraction has has 295 places, 293 transitions, 608 flow [2022-11-21 16:25:23,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:23,402 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:25:23,403 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:23,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 16:25:23,403 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2022-11-21 16:25:23,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:23,404 INFO L85 PathProgramCache]: Analyzing trace with hash -690374382, now seen corresponding path program 1 times [2022-11-21 16:25:23,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:23,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520369051] [2022-11-21 16:25:23,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:23,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:23,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:23,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:23,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520369051] [2022-11-21 16:25:23,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520369051] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:23,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:23,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:25:23,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312701069] [2022-11-21 16:25:23,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:23,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:25:23,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:23,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:25:23,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:25:23,467 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 414 [2022-11-21 16:25:23,468 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 293 transitions, 608 flow. Second operand has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:23,469 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:25:23,469 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 414 [2022-11-21 16:25:23,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:25:24,108 INFO L130 PetriNetUnfolder]: 749/1949 cut-off events. [2022-11-21 16:25:24,108 INFO L131 PetriNetUnfolder]: For 306/435 co-relation queries the response was YES. [2022-11-21 16:25:24,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3255 conditions, 1949 events. 749/1949 cut-off events. For 306/435 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 11363 event pairs, 488 based on Foata normal form. 0/1681 useless extension candidates. Maximal degree in co-relation 3160. Up to 1018 conditions per place. [2022-11-21 16:25:24,133 INFO L137 encePairwiseOnDemand]: 411/414 looper letters, 25 selfloop transitions, 2 changer transitions 0/292 dead transitions. [2022-11-21 16:25:24,133 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 292 transitions, 660 flow [2022-11-21 16:25:24,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:25:24,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:25:24,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 941 transitions. [2022-11-21 16:25:24,137 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7576489533011272 [2022-11-21 16:25:24,137 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 941 transitions. [2022-11-21 16:25:24,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 941 transitions. [2022-11-21 16:25:24,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:24,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 941 transitions. [2022-11-21 16:25:24,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:24,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:24,144 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:24,144 INFO L175 Difference]: Start difference. First operand has 295 places, 293 transitions, 608 flow. Second operand 3 states and 941 transitions. [2022-11-21 16:25:24,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 292 transitions, 660 flow [2022-11-21 16:25:24,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 292 transitions, 659 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:25:24,151 INFO L231 Difference]: Finished difference. Result has 295 places, 292 transitions, 609 flow [2022-11-21 16:25:24,152 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=605, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=609, PETRI_PLACES=295, PETRI_TRANSITIONS=292} [2022-11-21 16:25:24,153 INFO L288 CegarLoopForPetriNet]: 383 programPoint places, -88 predicate places. [2022-11-21 16:25:24,153 INFO L495 AbstractCegarLoop]: Abstraction has has 295 places, 292 transitions, 609 flow [2022-11-21 16:25:24,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:24,154 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:25:24,154 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:24,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 16:25:24,154 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2022-11-21 16:25:24,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:24,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1889358665, now seen corresponding path program 1 times [2022-11-21 16:25:24,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:24,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267677569] [2022-11-21 16:25:24,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:24,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:24,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:24,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:24,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267677569] [2022-11-21 16:25:24,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267677569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:24,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:24,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:25:24,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751188223] [2022-11-21 16:25:24,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:24,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:25:24,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:24,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:25:24,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:25:24,709 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 414 [2022-11-21 16:25:24,710 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 292 transitions, 609 flow. Second operand has 6 states, 6 states have (on average 254.83333333333334) internal successors, (1529), 6 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:24,711 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:25:24,711 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 414 [2022-11-21 16:25:24,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:25:27,742 INFO L130 PetriNetUnfolder]: 5309/8105 cut-off events. [2022-11-21 16:25:27,742 INFO L131 PetriNetUnfolder]: For 1502/1502 co-relation queries the response was YES. [2022-11-21 16:25:27,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16568 conditions, 8105 events. 5309/8105 cut-off events. For 1502/1502 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 41569 event pairs, 3740 based on Foata normal form. 0/7619 useless extension candidates. Maximal degree in co-relation 16474. Up to 6893 conditions per place. [2022-11-21 16:25:27,819 INFO L137 encePairwiseOnDemand]: 402/414 looper letters, 68 selfloop transitions, 10 changer transitions 0/290 dead transitions. [2022-11-21 16:25:27,820 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 290 transitions, 761 flow [2022-11-21 16:25:27,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:25:27,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:25:27,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1596 transitions. [2022-11-21 16:25:27,826 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.642512077294686 [2022-11-21 16:25:27,827 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1596 transitions. [2022-11-21 16:25:27,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1596 transitions. [2022-11-21 16:25:27,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:27,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1596 transitions. [2022-11-21 16:25:27,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 266.0) internal successors, (1596), 6 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:27,837 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 414.0) internal successors, (2898), 7 states have internal predecessors, (2898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:27,840 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 414.0) internal successors, (2898), 7 states have internal predecessors, (2898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:27,840 INFO L175 Difference]: Start difference. First operand has 295 places, 292 transitions, 609 flow. Second operand 6 states and 1596 transitions. [2022-11-21 16:25:27,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 290 transitions, 761 flow [2022-11-21 16:25:27,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 290 transitions, 757 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:25:27,850 INFO L231 Difference]: Finished difference. Result has 296 places, 290 transitions, 621 flow [2022-11-21 16:25:27,851 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=621, PETRI_PLACES=296, PETRI_TRANSITIONS=290} [2022-11-21 16:25:27,852 INFO L288 CegarLoopForPetriNet]: 383 programPoint places, -87 predicate places. [2022-11-21 16:25:27,853 INFO L495 AbstractCegarLoop]: Abstraction has has 296 places, 290 transitions, 621 flow [2022-11-21 16:25:27,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 254.83333333333334) internal successors, (1529), 6 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:27,854 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:25:27,854 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:27,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 16:25:27,854 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2022-11-21 16:25:27,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:27,855 INFO L85 PathProgramCache]: Analyzing trace with hash -179044634, now seen corresponding path program 1 times [2022-11-21 16:25:27,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:27,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611031950] [2022-11-21 16:25:27,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:27,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:27,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:27,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:27,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611031950] [2022-11-21 16:25:27,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611031950] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:27,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:27,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:25:27,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116205565] [2022-11-21 16:25:27,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:27,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:25:27,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:27,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:25:27,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:25:27,922 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 414 [2022-11-21 16:25:27,924 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 290 transitions, 621 flow. Second operand has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:27,924 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:25:27,924 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 414 [2022-11-21 16:25:27,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:25:28,669 INFO L130 PetriNetUnfolder]: 749/1946 cut-off events. [2022-11-21 16:25:28,669 INFO L131 PetriNetUnfolder]: For 306/435 co-relation queries the response was YES. [2022-11-21 16:25:28,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3261 conditions, 1946 events. 749/1946 cut-off events. For 306/435 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 11334 event pairs, 488 based on Foata normal form. 0/1681 useless extension candidates. Maximal degree in co-relation 3226. Up to 1016 conditions per place. [2022-11-21 16:25:28,686 INFO L137 encePairwiseOnDemand]: 412/414 looper letters, 25 selfloop transitions, 1 changer transitions 0/289 dead transitions. [2022-11-21 16:25:28,686 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 289 transitions, 671 flow [2022-11-21 16:25:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:25:28,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:25:28,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 940 transitions. [2022-11-21 16:25:28,689 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7568438003220612 [2022-11-21 16:25:28,690 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 940 transitions. [2022-11-21 16:25:28,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 940 transitions. [2022-11-21 16:25:28,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:28,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 940 transitions. [2022-11-21 16:25:28,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:28,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:28,696 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:28,696 INFO L175 Difference]: Start difference. First operand has 296 places, 290 transitions, 621 flow. Second operand 3 states and 940 transitions. [2022-11-21 16:25:28,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 289 transitions, 671 flow [2022-11-21 16:25:28,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 289 transitions, 651 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-21 16:25:28,702 INFO L231 Difference]: Finished difference. Result has 292 places, 289 transitions, 601 flow [2022-11-21 16:25:28,702 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=599, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=601, PETRI_PLACES=292, PETRI_TRANSITIONS=289} [2022-11-21 16:25:28,703 INFO L288 CegarLoopForPetriNet]: 383 programPoint places, -91 predicate places. [2022-11-21 16:25:28,703 INFO L495 AbstractCegarLoop]: Abstraction has has 292 places, 289 transitions, 601 flow [2022-11-21 16:25:28,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:28,704 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:25:28,704 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:28,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-21 16:25:28,704 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2022-11-21 16:25:28,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:28,705 INFO L85 PathProgramCache]: Analyzing trace with hash 708606169, now seen corresponding path program 1 times [2022-11-21 16:25:28,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:28,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345894282] [2022-11-21 16:25:28,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:28,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:28,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:28,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:28,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345894282] [2022-11-21 16:25:28,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345894282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:28,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:28,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:25:28,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143115684] [2022-11-21 16:25:28,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:28,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:25:28,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:28,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:25:28,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:25:28,779 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 414 [2022-11-21 16:25:28,780 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 289 transitions, 601 flow. Second operand has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:28,781 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:25:28,781 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 414 [2022-11-21 16:25:28,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:25:29,493 INFO L130 PetriNetUnfolder]: 749/1945 cut-off events. [2022-11-21 16:25:29,493 INFO L131 PetriNetUnfolder]: For 306/435 co-relation queries the response was YES. [2022-11-21 16:25:29,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3252 conditions, 1945 events. 749/1945 cut-off events. For 306/435 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 11261 event pairs, 488 based on Foata normal form. 0/1681 useless extension candidates. Maximal degree in co-relation 3157. Up to 1018 conditions per place. [2022-11-21 16:25:29,507 INFO L137 encePairwiseOnDemand]: 411/414 looper letters, 25 selfloop transitions, 2 changer transitions 0/288 dead transitions. [2022-11-21 16:25:29,508 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 288 transitions, 653 flow [2022-11-21 16:25:29,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:25:29,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:25:29,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 941 transitions. [2022-11-21 16:25:29,511 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7576489533011272 [2022-11-21 16:25:29,511 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 941 transitions. [2022-11-21 16:25:29,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 941 transitions. [2022-11-21 16:25:29,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:29,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 941 transitions. [2022-11-21 16:25:29,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:29,517 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:29,518 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:29,518 INFO L175 Difference]: Start difference. First operand has 292 places, 289 transitions, 601 flow. Second operand 3 states and 941 transitions. [2022-11-21 16:25:29,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 288 transitions, 653 flow [2022-11-21 16:25:29,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 288 transitions, 652 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:25:29,524 INFO L231 Difference]: Finished difference. Result has 292 places, 288 transitions, 602 flow [2022-11-21 16:25:29,524 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=598, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=602, PETRI_PLACES=292, PETRI_TRANSITIONS=288} [2022-11-21 16:25:29,525 INFO L288 CegarLoopForPetriNet]: 383 programPoint places, -91 predicate places. [2022-11-21 16:25:29,525 INFO L495 AbstractCegarLoop]: Abstraction has has 292 places, 288 transitions, 602 flow [2022-11-21 16:25:29,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:29,526 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:25:29,526 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:29,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 16:25:29,527 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2022-11-21 16:25:29,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:29,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1448950711, now seen corresponding path program 1 times [2022-11-21 16:25:29,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:29,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577238224] [2022-11-21 16:25:29,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:29,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:29,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:29,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:29,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577238224] [2022-11-21 16:25:29,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577238224] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:29,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:29,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:25:29,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216099867] [2022-11-21 16:25:29,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:29,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:25:29,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:29,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:25:29,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:25:29,589 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 414 [2022-11-21 16:25:29,591 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 288 transitions, 602 flow. Second operand has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:29,591 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:25:29,591 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 414 [2022-11-21 16:25:29,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:25:30,135 INFO L130 PetriNetUnfolder]: 749/1944 cut-off events. [2022-11-21 16:25:30,135 INFO L131 PetriNetUnfolder]: For 306/435 co-relation queries the response was YES. [2022-11-21 16:25:30,143 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3252 conditions, 1944 events. 749/1944 cut-off events. For 306/435 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 11293 event pairs, 488 based on Foata normal form. 0/1681 useless extension candidates. Maximal degree in co-relation 3156. Up to 1016 conditions per place. [2022-11-21 16:25:30,152 INFO L137 encePairwiseOnDemand]: 412/414 looper letters, 25 selfloop transitions, 1 changer transitions 0/287 dead transitions. [2022-11-21 16:25:30,153 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 287 transitions, 652 flow [2022-11-21 16:25:30,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:25:30,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:25:30,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 940 transitions. [2022-11-21 16:25:30,155 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7568438003220612 [2022-11-21 16:25:30,156 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 940 transitions. [2022-11-21 16:25:30,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 940 transitions. [2022-11-21 16:25:30,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:30,157 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 940 transitions. [2022-11-21 16:25:30,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:30,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:30,162 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:30,162 INFO L175 Difference]: Start difference. First operand has 292 places, 288 transitions, 602 flow. Second operand 3 states and 940 transitions. [2022-11-21 16:25:30,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 287 transitions, 652 flow [2022-11-21 16:25:30,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 287 transitions, 648 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:25:30,168 INFO L231 Difference]: Finished difference. Result has 291 places, 287 transitions, 598 flow [2022-11-21 16:25:30,168 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=291, PETRI_TRANSITIONS=287} [2022-11-21 16:25:30,169 INFO L288 CegarLoopForPetriNet]: 383 programPoint places, -92 predicate places. [2022-11-21 16:25:30,169 INFO L495 AbstractCegarLoop]: Abstraction has has 291 places, 287 transitions, 598 flow [2022-11-21 16:25:30,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:30,170 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:25:30,170 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:30,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-21 16:25:30,171 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2022-11-21 16:25:30,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:30,171 INFO L85 PathProgramCache]: Analyzing trace with hash 745499468, now seen corresponding path program 1 times [2022-11-21 16:25:30,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:30,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342637526] [2022-11-21 16:25:30,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:30,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:30,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:30,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:30,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342637526] [2022-11-21 16:25:30,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342637526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:30,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:30,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:25:30,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988116095] [2022-11-21 16:25:30,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:30,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:25:30,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:30,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:25:30,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:25:30,235 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 414 [2022-11-21 16:25:30,236 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 287 transitions, 598 flow. Second operand has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:30,237 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:25:30,237 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 414 [2022-11-21 16:25:30,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:25:30,795 INFO L130 PetriNetUnfolder]: 758/2009 cut-off events. [2022-11-21 16:25:30,796 INFO L131 PetriNetUnfolder]: For 306/397 co-relation queries the response was YES. [2022-11-21 16:25:30,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3334 conditions, 2009 events. 758/2009 cut-off events. For 306/397 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 11761 event pairs, 401 based on Foata normal form. 0/1745 useless extension candidates. Maximal degree in co-relation 3238. Up to 1026 conditions per place. [2022-11-21 16:25:30,812 INFO L137 encePairwiseOnDemand]: 408/414 looper letters, 29 selfloop transitions, 5 changer transitions 0/294 dead transitions. [2022-11-21 16:25:30,812 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 294 transitions, 684 flow [2022-11-21 16:25:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:25:30,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:25:30,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 948 transitions. [2022-11-21 16:25:30,815 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7632850241545893 [2022-11-21 16:25:30,815 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 948 transitions. [2022-11-21 16:25:30,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 948 transitions. [2022-11-21 16:25:30,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:30,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 948 transitions. [2022-11-21 16:25:30,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:30,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:30,821 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:30,821 INFO L175 Difference]: Start difference. First operand has 291 places, 287 transitions, 598 flow. Second operand 3 states and 948 transitions. [2022-11-21 16:25:30,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 294 transitions, 684 flow [2022-11-21 16:25:30,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 294 transitions, 683 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:25:30,827 INFO L231 Difference]: Finished difference. Result has 292 places, 290 transitions, 626 flow [2022-11-21 16:25:30,827 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=595, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=292, PETRI_TRANSITIONS=290} [2022-11-21 16:25:30,828 INFO L288 CegarLoopForPetriNet]: 383 programPoint places, -91 predicate places. [2022-11-21 16:25:30,828 INFO L495 AbstractCegarLoop]: Abstraction has has 292 places, 290 transitions, 626 flow [2022-11-21 16:25:30,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:30,829 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:25:30,829 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:30,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-21 16:25:30,829 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2022-11-21 16:25:30,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:30,830 INFO L85 PathProgramCache]: Analyzing trace with hash -321887382, now seen corresponding path program 1 times [2022-11-21 16:25:30,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:30,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58678648] [2022-11-21 16:25:30,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:30,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:31,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:31,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:31,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58678648] [2022-11-21 16:25:31,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58678648] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:31,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:31,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:25:31,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206313091] [2022-11-21 16:25:31,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:31,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:25:31,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:31,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:25:31,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:25:31,414 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 414 [2022-11-21 16:25:31,416 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 290 transitions, 626 flow. Second operand has 6 states, 6 states have (on average 271.1666666666667) internal successors, (1627), 6 states have internal predecessors, (1627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:31,416 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:25:31,416 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 414 [2022-11-21 16:25:31,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:25:34,381 INFO L130 PetriNetUnfolder]: 5342/8171 cut-off events. [2022-11-21 16:25:34,381 INFO L131 PetriNetUnfolder]: For 2964/2964 co-relation queries the response was YES. [2022-11-21 16:25:34,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18300 conditions, 8171 events. 5342/8171 cut-off events. For 2964/2964 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 41588 event pairs, 616 based on Foata normal form. 0/7840 useless extension candidates. Maximal degree in co-relation 18204. Up to 3246 conditions per place. [2022-11-21 16:25:34,467 INFO L137 encePairwiseOnDemand]: 409/414 looper letters, 131 selfloop transitions, 4 changer transitions 0/361 dead transitions. [2022-11-21 16:25:34,467 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 361 transitions, 1150 flow [2022-11-21 16:25:34,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:25:34,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:25:34,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1720 transitions. [2022-11-21 16:25:34,473 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6924315619967794 [2022-11-21 16:25:34,473 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1720 transitions. [2022-11-21 16:25:34,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1720 transitions. [2022-11-21 16:25:34,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:34,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1720 transitions. [2022-11-21 16:25:34,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 286.6666666666667) internal successors, (1720), 6 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:34,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 414.0) internal successors, (2898), 7 states have internal predecessors, (2898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:34,486 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 414.0) internal successors, (2898), 7 states have internal predecessors, (2898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:34,486 INFO L175 Difference]: Start difference. First operand has 292 places, 290 transitions, 626 flow. Second operand 6 states and 1720 transitions. [2022-11-21 16:25:34,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 361 transitions, 1150 flow [2022-11-21 16:25:34,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 361 transitions, 1150 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 16:25:34,496 INFO L231 Difference]: Finished difference. Result has 296 places, 289 transitions, 632 flow [2022-11-21 16:25:34,496 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=632, PETRI_PLACES=296, PETRI_TRANSITIONS=289} [2022-11-21 16:25:34,497 INFO L288 CegarLoopForPetriNet]: 383 programPoint places, -87 predicate places. [2022-11-21 16:25:34,497 INFO L495 AbstractCegarLoop]: Abstraction has has 296 places, 289 transitions, 632 flow [2022-11-21 16:25:34,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 271.1666666666667) internal successors, (1627), 6 states have internal predecessors, (1627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:34,498 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:25:34,498 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:34,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-21 16:25:34,499 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2022-11-21 16:25:34,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:34,500 INFO L85 PathProgramCache]: Analyzing trace with hash 669351273, now seen corresponding path program 1 times [2022-11-21 16:25:34,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:34,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200311955] [2022-11-21 16:25:34,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:34,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:35,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:35,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:35,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200311955] [2022-11-21 16:25:35,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200311955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:35,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:35,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:25:35,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200557980] [2022-11-21 16:25:35,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:35,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:25:35,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:35,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:25:35,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:25:35,332 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 414 [2022-11-21 16:25:35,335 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 289 transitions, 632 flow. Second operand has 6 states, 6 states have (on average 272.3333333333333) internal successors, (1634), 6 states have internal predecessors, (1634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:35,335 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:25:35,335 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 414 [2022-11-21 16:25:35,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:25:37,455 INFO L130 PetriNetUnfolder]: 4766/7420 cut-off events. [2022-11-21 16:25:37,455 INFO L131 PetriNetUnfolder]: For 2939/2939 co-relation queries the response was YES. [2022-11-21 16:25:37,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17094 conditions, 7420 events. 4766/7420 cut-off events. For 2939/2939 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 37874 event pairs, 2198 based on Foata normal form. 0/7118 useless extension candidates. Maximal degree in co-relation 16997. Up to 4798 conditions per place. [2022-11-21 16:25:37,524 INFO L137 encePairwiseOnDemand]: 409/414 looper letters, 102 selfloop transitions, 4 changer transitions 0/332 dead transitions. [2022-11-21 16:25:37,524 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 332 transitions, 986 flow [2022-11-21 16:25:37,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:25:37,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:25:37,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1707 transitions. [2022-11-21 16:25:37,529 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6871980676328503 [2022-11-21 16:25:37,529 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1707 transitions. [2022-11-21 16:25:37,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1707 transitions. [2022-11-21 16:25:37,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:37,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1707 transitions. [2022-11-21 16:25:37,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 284.5) internal successors, (1707), 6 states have internal predecessors, (1707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:37,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 414.0) internal successors, (2898), 7 states have internal predecessors, (2898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:37,539 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 414.0) internal successors, (2898), 7 states have internal predecessors, (2898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:37,540 INFO L175 Difference]: Start difference. First operand has 296 places, 289 transitions, 632 flow. Second operand 6 states and 1707 transitions. [2022-11-21 16:25:37,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 332 transitions, 986 flow [2022-11-21 16:25:37,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 332 transitions, 979 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:25:37,547 INFO L231 Difference]: Finished difference. Result has 296 places, 288 transitions, 631 flow [2022-11-21 16:25:37,548 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=623, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=631, PETRI_PLACES=296, PETRI_TRANSITIONS=288} [2022-11-21 16:25:37,549 INFO L288 CegarLoopForPetriNet]: 383 programPoint places, -87 predicate places. [2022-11-21 16:25:37,549 INFO L495 AbstractCegarLoop]: Abstraction has has 296 places, 288 transitions, 631 flow [2022-11-21 16:25:37,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 272.3333333333333) internal successors, (1634), 6 states have internal predecessors, (1634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:37,550 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:25:37,550 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:37,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-21 16:25:37,550 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2022-11-21 16:25:37,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:37,551 INFO L85 PathProgramCache]: Analyzing trace with hash -77942787, now seen corresponding path program 1 times [2022-11-21 16:25:37,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:37,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237011718] [2022-11-21 16:25:37,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:37,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:38,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:38,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:38,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237011718] [2022-11-21 16:25:38,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237011718] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:38,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:38,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:25:38,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789581687] [2022-11-21 16:25:38,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:38,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:25:38,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:38,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:25:38,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:25:38,167 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 414 [2022-11-21 16:25:38,169 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 288 transitions, 631 flow. Second operand has 6 states, 6 states have (on average 273.5) internal successors, (1641), 6 states have internal predecessors, (1641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:38,169 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:25:38,169 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 414 [2022-11-21 16:25:38,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:25:40,121 INFO L130 PetriNetUnfolder]: 4638/7300 cut-off events. [2022-11-21 16:25:40,121 INFO L131 PetriNetUnfolder]: For 2624/2624 co-relation queries the response was YES. [2022-11-21 16:25:40,143 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16480 conditions, 7300 events. 4638/7300 cut-off events. For 2624/2624 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 37561 event pairs, 2670 based on Foata normal form. 0/7009 useless extension candidates. Maximal degree in co-relation 16383. Up to 5684 conditions per place. [2022-11-21 16:25:40,177 INFO L137 encePairwiseOnDemand]: 409/414 looper letters, 89 selfloop transitions, 4 changer transitions 0/319 dead transitions. [2022-11-21 16:25:40,177 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 319 transitions, 927 flow [2022-11-21 16:25:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:25:40,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:25:40,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1694 transitions. [2022-11-21 16:25:40,182 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6819645732689211 [2022-11-21 16:25:40,182 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1694 transitions. [2022-11-21 16:25:40,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1694 transitions. [2022-11-21 16:25:40,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:40,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1694 transitions. [2022-11-21 16:25:40,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 282.3333333333333) internal successors, (1694), 6 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:40,192 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 414.0) internal successors, (2898), 7 states have internal predecessors, (2898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:40,193 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 414.0) internal successors, (2898), 7 states have internal predecessors, (2898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:40,194 INFO L175 Difference]: Start difference. First operand has 296 places, 288 transitions, 631 flow. Second operand 6 states and 1694 transitions. [2022-11-21 16:25:40,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 319 transitions, 927 flow [2022-11-21 16:25:40,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 319 transitions, 920 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:25:40,203 INFO L231 Difference]: Finished difference. Result has 296 places, 287 transitions, 630 flow [2022-11-21 16:25:40,203 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=630, PETRI_PLACES=296, PETRI_TRANSITIONS=287} [2022-11-21 16:25:40,204 INFO L288 CegarLoopForPetriNet]: 383 programPoint places, -87 predicate places. [2022-11-21 16:25:40,204 INFO L495 AbstractCegarLoop]: Abstraction has has 296 places, 287 transitions, 630 flow [2022-11-21 16:25:40,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 273.5) internal successors, (1641), 6 states have internal predecessors, (1641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:40,205 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:25:40,205 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:40,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-21 16:25:40,205 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2022-11-21 16:25:40,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:40,206 INFO L85 PathProgramCache]: Analyzing trace with hash -2029335142, now seen corresponding path program 1 times [2022-11-21 16:25:40,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:40,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716702732] [2022-11-21 16:25:40,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:40,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:40,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:40,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716702732] [2022-11-21 16:25:40,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716702732] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:40,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:40,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:25:40,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053957930] [2022-11-21 16:25:40,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:40,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:25:40,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:40,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:25:40,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:25:40,867 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 414 [2022-11-21 16:25:40,869 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 287 transitions, 630 flow. Second operand has 6 states, 6 states have (on average 274.6666666666667) internal successors, (1648), 6 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:40,870 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:25:40,870 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 414 [2022-11-21 16:25:40,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:25:42,605 INFO L130 PetriNetUnfolder]: 4697/7363 cut-off events. [2022-11-21 16:25:42,605 INFO L131 PetriNetUnfolder]: For 2609/2609 co-relation queries the response was YES. [2022-11-21 16:25:42,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16556 conditions, 7363 events. 4697/7363 cut-off events. For 2609/2609 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 37668 event pairs, 2829 based on Foata normal form. 0/7104 useless extension candidates. Maximal degree in co-relation 16459. Up to 6026 conditions per place. [2022-11-21 16:25:42,666 INFO L137 encePairwiseOnDemand]: 409/414 looper letters, 72 selfloop transitions, 4 changer transitions 0/302 dead transitions. [2022-11-21 16:25:42,666 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 302 transitions, 836 flow [2022-11-21 16:25:42,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:25:42,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:25:42,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1681 transitions. [2022-11-21 16:25:42,672 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.676731078904992 [2022-11-21 16:25:42,672 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1681 transitions. [2022-11-21 16:25:42,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1681 transitions. [2022-11-21 16:25:42,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:42,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1681 transitions. [2022-11-21 16:25:42,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 280.1666666666667) internal successors, (1681), 6 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:42,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 414.0) internal successors, (2898), 7 states have internal predecessors, (2898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:42,684 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 414.0) internal successors, (2898), 7 states have internal predecessors, (2898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:42,684 INFO L175 Difference]: Start difference. First operand has 296 places, 287 transitions, 630 flow. Second operand 6 states and 1681 transitions. [2022-11-21 16:25:42,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 302 transitions, 836 flow [2022-11-21 16:25:42,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 302 transitions, 829 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:25:42,691 INFO L231 Difference]: Finished difference. Result has 296 places, 286 transitions, 629 flow [2022-11-21 16:25:42,691 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=621, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=629, PETRI_PLACES=296, PETRI_TRANSITIONS=286} [2022-11-21 16:25:42,692 INFO L288 CegarLoopForPetriNet]: 383 programPoint places, -87 predicate places. [2022-11-21 16:25:42,692 INFO L495 AbstractCegarLoop]: Abstraction has has 296 places, 286 transitions, 629 flow [2022-11-21 16:25:42,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 274.6666666666667) internal successors, (1648), 6 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:42,693 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:25:42,693 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:42,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-21 16:25:42,694 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2022-11-21 16:25:42,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:25:42,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1072997780, now seen corresponding path program 1 times [2022-11-21 16:25:42,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:25:42,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042294117] [2022-11-21 16:25:42,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:25:42,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:25:42,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:25:42,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:25:42,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042294117] [2022-11-21 16:25:42,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042294117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:25:42,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:25:42,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:25:42,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333019683] [2022-11-21 16:25:42,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:25:42,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:25:42,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:25:42,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:25:42,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:25:42,793 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 414 [2022-11-21 16:25:42,794 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 286 transitions, 629 flow. Second operand has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:42,794 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:25:42,794 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 414 [2022-11-21 16:25:42,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:25:43,286 INFO L130 PetriNetUnfolder]: 758/1981 cut-off events. [2022-11-21 16:25:43,286 INFO L131 PetriNetUnfolder]: For 479/608 co-relation queries the response was YES. [2022-11-21 16:25:43,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3599 conditions, 1981 events. 758/1981 cut-off events. For 479/608 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 11482 event pairs, 407 based on Foata normal form. 4/1728 useless extension candidates. Maximal degree in co-relation 3555. Up to 1029 conditions per place. [2022-11-21 16:25:43,292 INFO L137 encePairwiseOnDemand]: 412/414 looper letters, 0 selfloop transitions, 0 changer transitions 285/285 dead transitions. [2022-11-21 16:25:43,293 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 285 transitions, 681 flow [2022-11-21 16:25:43,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:25:43,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:25:43,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 946 transitions. [2022-11-21 16:25:43,296 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7616747181964574 [2022-11-21 16:25:43,296 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 946 transitions. [2022-11-21 16:25:43,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 946 transitions. [2022-11-21 16:25:43,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:25:43,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 946 transitions. [2022-11-21 16:25:43,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:43,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:43,303 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 414.0) internal successors, (1656), 4 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:43,303 INFO L175 Difference]: Start difference. First operand has 296 places, 286 transitions, 629 flow. Second operand 3 states and 946 transitions. [2022-11-21 16:25:43,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 285 transitions, 681 flow [2022-11-21 16:25:43,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 285 transitions, 674 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:25:43,307 INFO L231 Difference]: Finished difference. Result has 293 places, 0 transitions, 0 flow [2022-11-21 16:25:43,308 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=414, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=293, PETRI_TRANSITIONS=0} [2022-11-21 16:25:43,308 INFO L288 CegarLoopForPetriNet]: 383 programPoint places, -90 predicate places. [2022-11-21 16:25:43,308 INFO L495 AbstractCegarLoop]: Abstraction has has 293 places, 0 transitions, 0 flow [2022-11-21 16:25:43,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:25:43,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (166 of 167 remaining) [2022-11-21 16:25:43,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (165 of 167 remaining) [2022-11-21 16:25:43,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (164 of 167 remaining) [2022-11-21 16:25:43,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (163 of 167 remaining) [2022-11-21 16:25:43,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (162 of 167 remaining) [2022-11-21 16:25:43,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (161 of 167 remaining) [2022-11-21 16:25:43,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (160 of 167 remaining) [2022-11-21 16:25:43,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (159 of 167 remaining) [2022-11-21 16:25:43,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (158 of 167 remaining) [2022-11-21 16:25:43,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (157 of 167 remaining) [2022-11-21 16:25:43,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (156 of 167 remaining) [2022-11-21 16:25:43,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (155 of 167 remaining) [2022-11-21 16:25:43,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (154 of 167 remaining) [2022-11-21 16:25:43,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (153 of 167 remaining) [2022-11-21 16:25:43,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (152 of 167 remaining) [2022-11-21 16:25:43,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (151 of 167 remaining) [2022-11-21 16:25:43,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (150 of 167 remaining) [2022-11-21 16:25:43,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (149 of 167 remaining) [2022-11-21 16:25:43,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (148 of 167 remaining) [2022-11-21 16:25:43,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (147 of 167 remaining) [2022-11-21 16:25:43,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (146 of 167 remaining) [2022-11-21 16:25:43,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (145 of 167 remaining) [2022-11-21 16:25:43,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (144 of 167 remaining) [2022-11-21 16:25:43,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (143 of 167 remaining) [2022-11-21 16:25:43,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (142 of 167 remaining) [2022-11-21 16:25:43,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (141 of 167 remaining) [2022-11-21 16:25:43,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (140 of 167 remaining) [2022-11-21 16:25:43,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (139 of 167 remaining) [2022-11-21 16:25:43,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (138 of 167 remaining) [2022-11-21 16:25:43,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (137 of 167 remaining) [2022-11-21 16:25:43,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (136 of 167 remaining) [2022-11-21 16:25:43,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (135 of 167 remaining) [2022-11-21 16:25:43,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (134 of 167 remaining) [2022-11-21 16:25:43,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (133 of 167 remaining) [2022-11-21 16:25:43,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (132 of 167 remaining) [2022-11-21 16:25:43,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (131 of 167 remaining) [2022-11-21 16:25:43,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (130 of 167 remaining) [2022-11-21 16:25:43,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (129 of 167 remaining) [2022-11-21 16:25:43,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (128 of 167 remaining) [2022-11-21 16:25:43,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (127 of 167 remaining) [2022-11-21 16:25:43,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (126 of 167 remaining) [2022-11-21 16:25:43,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (125 of 167 remaining) [2022-11-21 16:25:43,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (124 of 167 remaining) [2022-11-21 16:25:43,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (123 of 167 remaining) [2022-11-21 16:25:43,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (122 of 167 remaining) [2022-11-21 16:25:43,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (121 of 167 remaining) [2022-11-21 16:25:43,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (120 of 167 remaining) [2022-11-21 16:25:43,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (119 of 167 remaining) [2022-11-21 16:25:43,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (118 of 167 remaining) [2022-11-21 16:25:43,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (117 of 167 remaining) [2022-11-21 16:25:43,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (116 of 167 remaining) [2022-11-21 16:25:43,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (115 of 167 remaining) [2022-11-21 16:25:43,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (114 of 167 remaining) [2022-11-21 16:25:43,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (113 of 167 remaining) [2022-11-21 16:25:43,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (112 of 167 remaining) [2022-11-21 16:25:43,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (111 of 167 remaining) [2022-11-21 16:25:43,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (110 of 167 remaining) [2022-11-21 16:25:43,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (109 of 167 remaining) [2022-11-21 16:25:43,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (108 of 167 remaining) [2022-11-21 16:25:43,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (107 of 167 remaining) [2022-11-21 16:25:43,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (106 of 167 remaining) [2022-11-21 16:25:43,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (105 of 167 remaining) [2022-11-21 16:25:43,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (104 of 167 remaining) [2022-11-21 16:25:43,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (103 of 167 remaining) [2022-11-21 16:25:43,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (102 of 167 remaining) [2022-11-21 16:25:43,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (101 of 167 remaining) [2022-11-21 16:25:43,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (100 of 167 remaining) [2022-11-21 16:25:43,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (99 of 167 remaining) [2022-11-21 16:25:43,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (98 of 167 remaining) [2022-11-21 16:25:43,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (97 of 167 remaining) [2022-11-21 16:25:43,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (96 of 167 remaining) [2022-11-21 16:25:43,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (95 of 167 remaining) [2022-11-21 16:25:43,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (94 of 167 remaining) [2022-11-21 16:25:43,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (93 of 167 remaining) [2022-11-21 16:25:43,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (92 of 167 remaining) [2022-11-21 16:25:43,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (91 of 167 remaining) [2022-11-21 16:25:43,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (90 of 167 remaining) [2022-11-21 16:25:43,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (89 of 167 remaining) [2022-11-21 16:25:43,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (88 of 167 remaining) [2022-11-21 16:25:43,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (87 of 167 remaining) [2022-11-21 16:25:43,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (86 of 167 remaining) [2022-11-21 16:25:43,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (85 of 167 remaining) [2022-11-21 16:25:43,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (84 of 167 remaining) [2022-11-21 16:25:43,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (83 of 167 remaining) [2022-11-21 16:25:43,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (82 of 167 remaining) [2022-11-21 16:25:43,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (81 of 167 remaining) [2022-11-21 16:25:43,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (80 of 167 remaining) [2022-11-21 16:25:43,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (79 of 167 remaining) [2022-11-21 16:25:43,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (78 of 167 remaining) [2022-11-21 16:25:43,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (77 of 167 remaining) [2022-11-21 16:25:43,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (76 of 167 remaining) [2022-11-21 16:25:43,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (75 of 167 remaining) [2022-11-21 16:25:43,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (74 of 167 remaining) [2022-11-21 16:25:43,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (73 of 167 remaining) [2022-11-21 16:25:43,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (72 of 167 remaining) [2022-11-21 16:25:43,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (71 of 167 remaining) [2022-11-21 16:25:43,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (70 of 167 remaining) [2022-11-21 16:25:43,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (69 of 167 remaining) [2022-11-21 16:25:43,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (68 of 167 remaining) [2022-11-21 16:25:43,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (67 of 167 remaining) [2022-11-21 16:25:43,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (66 of 167 remaining) [2022-11-21 16:25:43,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (65 of 167 remaining) [2022-11-21 16:25:43,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (64 of 167 remaining) [2022-11-21 16:25:43,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (63 of 167 remaining) [2022-11-21 16:25:43,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (62 of 167 remaining) [2022-11-21 16:25:43,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (61 of 167 remaining) [2022-11-21 16:25:43,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (60 of 167 remaining) [2022-11-21 16:25:43,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (59 of 167 remaining) [2022-11-21 16:25:43,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (58 of 167 remaining) [2022-11-21 16:25:43,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (57 of 167 remaining) [2022-11-21 16:25:43,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (56 of 167 remaining) [2022-11-21 16:25:43,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (55 of 167 remaining) [2022-11-21 16:25:43,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (54 of 167 remaining) [2022-11-21 16:25:43,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (53 of 167 remaining) [2022-11-21 16:25:43,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (52 of 167 remaining) [2022-11-21 16:25:43,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (51 of 167 remaining) [2022-11-21 16:25:43,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (50 of 167 remaining) [2022-11-21 16:25:43,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (49 of 167 remaining) [2022-11-21 16:25:43,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (48 of 167 remaining) [2022-11-21 16:25:43,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (47 of 167 remaining) [2022-11-21 16:25:43,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (46 of 167 remaining) [2022-11-21 16:25:43,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (45 of 167 remaining) [2022-11-21 16:25:43,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (44 of 167 remaining) [2022-11-21 16:25:43,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (43 of 167 remaining) [2022-11-21 16:25:43,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (42 of 167 remaining) [2022-11-21 16:25:43,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (41 of 167 remaining) [2022-11-21 16:25:43,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (40 of 167 remaining) [2022-11-21 16:25:43,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (39 of 167 remaining) [2022-11-21 16:25:43,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (38 of 167 remaining) [2022-11-21 16:25:43,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (37 of 167 remaining) [2022-11-21 16:25:43,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (36 of 167 remaining) [2022-11-21 16:25:43,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (35 of 167 remaining) [2022-11-21 16:25:43,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (34 of 167 remaining) [2022-11-21 16:25:43,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (33 of 167 remaining) [2022-11-21 16:25:43,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (32 of 167 remaining) [2022-11-21 16:25:43,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (31 of 167 remaining) [2022-11-21 16:25:43,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (30 of 167 remaining) [2022-11-21 16:25:43,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (29 of 167 remaining) [2022-11-21 16:25:43,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (28 of 167 remaining) [2022-11-21 16:25:43,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (27 of 167 remaining) [2022-11-21 16:25:43,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (26 of 167 remaining) [2022-11-21 16:25:43,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (25 of 167 remaining) [2022-11-21 16:25:43,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (24 of 167 remaining) [2022-11-21 16:25:43,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (23 of 167 remaining) [2022-11-21 16:25:43,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (22 of 167 remaining) [2022-11-21 16:25:43,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (21 of 167 remaining) [2022-11-21 16:25:43,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (20 of 167 remaining) [2022-11-21 16:25:43,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (19 of 167 remaining) [2022-11-21 16:25:43,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (18 of 167 remaining) [2022-11-21 16:25:43,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (17 of 167 remaining) [2022-11-21 16:25:43,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (16 of 167 remaining) [2022-11-21 16:25:43,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (15 of 167 remaining) [2022-11-21 16:25:43,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (14 of 167 remaining) [2022-11-21 16:25:43,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (13 of 167 remaining) [2022-11-21 16:25:43,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (12 of 167 remaining) [2022-11-21 16:25:43,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (11 of 167 remaining) [2022-11-21 16:25:43,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (10 of 167 remaining) [2022-11-21 16:25:43,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (9 of 167 remaining) [2022-11-21 16:25:43,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (8 of 167 remaining) [2022-11-21 16:25:43,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (7 of 167 remaining) [2022-11-21 16:25:43,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (6 of 167 remaining) [2022-11-21 16:25:43,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (5 of 167 remaining) [2022-11-21 16:25:43,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (4 of 167 remaining) [2022-11-21 16:25:43,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (3 of 167 remaining) [2022-11-21 16:25:43,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (2 of 167 remaining) [2022-11-21 16:25:43,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (1 of 167 remaining) [2022-11-21 16:25:43,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (0 of 167 remaining) [2022-11-21 16:25:43,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-21 16:25:43,346 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] [2022-11-21 16:25:43,353 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 16:25:43,353 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:25:43,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:25:43 BasicIcfg [2022-11-21 16:25:43,359 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:25:43,359 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:25:43,359 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:25:43,360 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:25:43,360 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:25:15" (3/4) ... [2022-11-21 16:25:43,363 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:25:43,368 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-21 16:25:43,368 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-21 16:25:43,369 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-21 16:25:43,369 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-21 16:25:43,375 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2022-11-21 16:25:43,375 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 16:25:43,376 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 16:25:43,376 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:25:43,432 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e9d40d-8f53-45d5-8722-d443b58c643d/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:25:43,433 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:25:43,433 INFO L158 Benchmark]: Toolchain (without parser) took 30708.35ms. Allocated memory was 184.5MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 153.1MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2022-11-21 16:25:43,433 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:25:43,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.00ms. Allocated memory is still 184.5MB. Free memory was 153.1MB in the beginning and 138.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 16:25:43,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.12ms. Allocated memory is still 184.5MB. Free memory was 138.5MB in the beginning and 134.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:25:43,435 INFO L158 Benchmark]: Boogie Preprocessor took 73.12ms. Allocated memory is still 184.5MB. Free memory was 134.8MB in the beginning and 131.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:25:43,435 INFO L158 Benchmark]: RCFGBuilder took 1964.64ms. Allocated memory is still 184.5MB. Free memory was 131.2MB in the beginning and 107.9MB in the end (delta: 23.3MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2022-11-21 16:25:43,435 INFO L158 Benchmark]: TraceAbstraction took 28097.24ms. Allocated memory was 184.5MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 106.8MB in the beginning and 775.2MB in the end (delta: -668.4MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2022-11-21 16:25:43,436 INFO L158 Benchmark]: Witness Printer took 73.38ms. Allocated memory is still 2.4GB. Free memory was 775.2MB in the beginning and 2.2GB in the end (delta: -1.4GB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2022-11-21 16:25:43,438 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.00ms. Allocated memory is still 184.5MB. Free memory was 153.1MB in the beginning and 138.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.12ms. Allocated memory is still 184.5MB. Free memory was 138.5MB in the beginning and 134.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.12ms. Allocated memory is still 184.5MB. Free memory was 134.8MB in the beginning and 131.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1964.64ms. Allocated memory is still 184.5MB. Free memory was 131.2MB in the beginning and 107.9MB in the end (delta: 23.3MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * TraceAbstraction took 28097.24ms. Allocated memory was 184.5MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 106.8MB in the beginning and 775.2MB in the end (delta: -668.4MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * Witness Printer took 73.38ms. Allocated memory is still 2.4GB. Free memory was 775.2MB in the beginning and 2.2GB in the end (delta: -1.4GB). Peak memory consumption was 5.2MB. 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 96]: 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: 96]: 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: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 159]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 159]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 142]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 144]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 147]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: 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 9 procedures, 498 locations, 167 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: 27.8s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 22.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 256 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 256 mSDsluCounter, 215 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 154 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1590 IncrementalHoareTripleChecker+Invalid, 1744 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 154 mSolverCounterUnsat, 215 mSDtfsCounter, 1590 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=800occurred in iteration=0, InterpolantAutomatonStates: 81, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 2591 NumberOfCodeBlocks, 2591 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2569 ConstructedInterpolants, 0 QuantifiedInterpolants, 3042 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 93 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-21 16:25:43,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e9d40d-8f53-45d5-8722-d443b58c643d/bin/uautomizer-vX5HgA9Q3a/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