./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/bigshot_s2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ca59f3-664d-4a7f-a9fe-28b26c0c7564/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ca59f3-664d-4a7f-a9fe-28b26c0c7564/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ca59f3-664d-4a7f-a9fe-28b26c0c7564/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ca59f3-664d-4a7f-a9fe-28b26c0c7564/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ca59f3-664d-4a7f-a9fe-28b26c0c7564/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ca59f3-664d-4a7f-a9fe-28b26c0c7564/bin/uautomizer-TMbwUNV5ro --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 fa644cc26c2bb4f900e6af52233648196eb4dff503d36a50559ddcf2a4270ffb --- 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-8393723 [2022-11-18 20:45:53,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:45:53,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:45:54,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:45:54,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:45:54,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:45:54,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:45:54,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:45:54,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:45:54,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:45:54,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:45:54,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:45:54,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:45:54,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:45:54,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:45:54,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:45:54,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:45:54,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:45:54,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:45:54,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:45:54,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:45:54,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:45:54,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:45:54,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:45:54,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:45:54,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:45:54,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:45:54,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:45:54,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:45:54,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:45:54,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:45:54,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:45:54,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:45:54,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:45:54,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:45:54,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:45:54,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:45:54,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:45:54,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:45:54,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:45:54,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:45:54,069 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ca59f3-664d-4a7f-a9fe-28b26c0c7564/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 20:45:54,131 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:45:54,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:45:54,133 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:45:54,133 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:45:54,134 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:45:54,134 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:45:54,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:45:54,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:45:54,136 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:45:54,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:45:54,137 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:45:54,138 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:45:54,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:45:54,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:45:54,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:45:54,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:45:54,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:45:54,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:45:54,140 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 20:45:54,140 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:45:54,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:45:54,141 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:45:54,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:45:54,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:45:54,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:45:54,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:45:54,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:45:54,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:45:54,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:45:54,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:45:54,143 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:45:54,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:45:54,144 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:45:54,144 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:45:54,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:45:54,145 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_21ca59f3-664d-4a7f-a9fe-28b26c0c7564/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ca59f3-664d-4a7f-a9fe-28b26c0c7564/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa644cc26c2bb4f900e6af52233648196eb4dff503d36a50559ddcf2a4270ffb [2022-11-18 20:45:54,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:45:54,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:45:54,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:45:54,513 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:45:54,514 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:45:54,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ca59f3-664d-4a7f-a9fe-28b26c0c7564/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/pthread/bigshot_s2.i [2022-11-18 20:45:54,596 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ca59f3-664d-4a7f-a9fe-28b26c0c7564/bin/uautomizer-TMbwUNV5ro/data/f90e0efa7/4f171fa374dc46958a5c0f9f0249bbd8/FLAGa62e6eba7 [2022-11-18 20:45:55,274 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:45:55,275 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ca59f3-664d-4a7f-a9fe-28b26c0c7564/sv-benchmarks/c/pthread/bigshot_s2.i [2022-11-18 20:45:55,320 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ca59f3-664d-4a7f-a9fe-28b26c0c7564/bin/uautomizer-TMbwUNV5ro/data/f90e0efa7/4f171fa374dc46958a5c0f9f0249bbd8/FLAGa62e6eba7 [2022-11-18 20:45:55,512 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ca59f3-664d-4a7f-a9fe-28b26c0c7564/bin/uautomizer-TMbwUNV5ro/data/f90e0efa7/4f171fa374dc46958a5c0f9f0249bbd8 [2022-11-18 20:45:55,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:45:55,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:45:55,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:45:55,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:45:55,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:45:55,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:45:55" (1/1) ... [2022-11-18 20:45:55,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@278f9188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:55, skipping insertion in model container [2022-11-18 20:45:55,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:45:55" (1/1) ... [2022-11-18 20:45:55,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:45:55,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:45:56,264 WARN L234 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_21ca59f3-664d-4a7f-a9fe-28b26c0c7564/sv-benchmarks/c/pthread/bigshot_s2.i[55203,55216] [2022-11-18 20:45:56,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:45:56,318 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:45:56,376 WARN L234 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_21ca59f3-664d-4a7f-a9fe-28b26c0c7564/sv-benchmarks/c/pthread/bigshot_s2.i[55203,55216] [2022-11-18 20:45:56,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:45:56,459 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:45:56,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:56 WrapperNode [2022-11-18 20:45:56,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:45:56,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:45:56,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:45:56,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:45:56,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:56" (1/1) ... [2022-11-18 20:45:56,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:56" (1/1) ... [2022-11-18 20:45:56,522 INFO L138 Inliner]: procedures = 323, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2022-11-18 20:45:56,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:45:56,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:45:56,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:45:56,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:45:56,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:56" (1/1) ... [2022-11-18 20:45:56,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:56" (1/1) ... [2022-11-18 20:45:56,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:56" (1/1) ... [2022-11-18 20:45:56,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:56" (1/1) ... [2022-11-18 20:45:56,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:56" (1/1) ... [2022-11-18 20:45:56,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:56" (1/1) ... [2022-11-18 20:45:56,558 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:56" (1/1) ... [2022-11-18 20:45:56,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:56" (1/1) ... [2022-11-18 20:45:56,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:45:56,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:45:56,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:45:56,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:45:56,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:56" (1/1) ... [2022-11-18 20:45:56,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:45:56,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ca59f3-664d-4a7f-a9fe-28b26c0c7564/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:45:56,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ca59f3-664d-4a7f-a9fe-28b26c0c7564/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:45:56,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ca59f3-664d-4a7f-a9fe-28b26c0c7564/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:45:56,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:45:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:45:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:45:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:45:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 20:45:56,666 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 20:45:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 20:45:56,667 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 20:45:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:45:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:45:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:45:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:45:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:45:56,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:45:56,670 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 20:45:56,833 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:45:56,836 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:45:57,314 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:45:57,324 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:45:57,325 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:45:57,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:45:57 BoogieIcfgContainer [2022-11-18 20:45:57,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:45:57,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:45:57,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:45:57,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:45:57,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:45:55" (1/3) ... [2022-11-18 20:45:57,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544fb948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:45:57, skipping insertion in model container [2022-11-18 20:45:57,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:56" (2/3) ... [2022-11-18 20:45:57,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544fb948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:45:57, skipping insertion in model container [2022-11-18 20:45:57,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:45:57" (3/3) ... [2022-11-18 20:45:57,349 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2022-11-18 20:45:57,361 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 20:45:57,375 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:45:57,376 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-11-18 20:45:57,377 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 20:45:57,480 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-18 20:45:57,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 121 places, 118 transitions, 252 flow [2022-11-18 20:45:57,620 INFO L130 PetriNetUnfolder]: 4/116 cut-off events. [2022-11-18 20:45:57,620 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-18 20:45:57,625 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 116 events. 4/116 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 87 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2022-11-18 20:45:57,626 INFO L82 GeneralOperation]: Start removeDead. Operand has 121 places, 118 transitions, 252 flow [2022-11-18 20:45:57,632 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 97 transitions, 206 flow [2022-11-18 20:45:57,645 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:45:57,653 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;@54b3183e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:45:57,653 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-11-18 20:45:57,672 INFO L130 PetriNetUnfolder]: 0/38 cut-off events. [2022-11-18 20:45:57,672 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:45:57,673 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:45:57,674 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] [2022-11-18 20:45:57,674 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-11-18 20:45:57,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:45:57,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1614008771, now seen corresponding path program 1 times [2022-11-18 20:45:57,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:45:57,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365677508] [2022-11-18 20:45:57,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:45:57,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:45:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:58,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:45:58,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:45:58,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365677508] [2022-11-18 20:45:58,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365677508] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:45:58,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:45:58,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:45:58,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011594125] [2022-11-18 20:45:58,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:45:58,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:45:58,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:45:58,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:45:58,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:45:58,142 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 118 [2022-11-18 20:45:58,145 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 97 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:58,146 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:45:58,146 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 118 [2022-11-18 20:45:58,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:45:58,219 INFO L130 PetriNetUnfolder]: 2/95 cut-off events. [2022-11-18 20:45:58,219 INFO L131 PetriNetUnfolder]: For 8/14 co-relation queries the response was YES. [2022-11-18 20:45:58,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 95 events. 2/95 cut-off events. For 8/14 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 1/89 useless extension candidates. Maximal degree in co-relation 61. Up to 16 conditions per place. [2022-11-18 20:45:58,221 INFO L137 encePairwiseOnDemand]: 114/118 looper letters, 15 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2022-11-18 20:45:58,222 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 95 transitions, 236 flow [2022-11-18 20:45:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:45:58,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:45:58,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 310 transitions. [2022-11-18 20:45:58,238 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8757062146892656 [2022-11-18 20:45:58,239 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 310 transitions. [2022-11-18 20:45:58,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 310 transitions. [2022-11-18 20:45:58,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:45:58,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 310 transitions. [2022-11-18 20:45:58,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:58,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:58,256 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:58,258 INFO L175 Difference]: Start difference. First operand has 101 places, 97 transitions, 206 flow. Second operand 3 states and 310 transitions. [2022-11-18 20:45:58,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 95 transitions, 236 flow [2022-11-18 20:45:58,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 95 transitions, 228 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 20:45:58,267 INFO L231 Difference]: Finished difference. Result has 98 places, 95 transitions, 198 flow [2022-11-18 20:45:58,270 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=198, PETRI_PLACES=98, PETRI_TRANSITIONS=95} [2022-11-18 20:45:58,274 INFO L288 CegarLoopForPetriNet]: 101 programPoint places, -3 predicate places. [2022-11-18 20:45:58,274 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 95 transitions, 198 flow [2022-11-18 20:45:58,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:58,275 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:45:58,317 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] [2022-11-18 20:45:58,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:45:58,318 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-11-18 20:45:58,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:45:58,319 INFO L85 PathProgramCache]: Analyzing trace with hash -2010625425, now seen corresponding path program 1 times [2022-11-18 20:45:58,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:45:58,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677263876] [2022-11-18 20:45:58,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:45:58,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:45:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:59,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:45:59,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:45:59,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677263876] [2022-11-18 20:45:59,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677263876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:45:59,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:45:59,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:45:59,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098289955] [2022-11-18 20:45:59,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:45:59,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:45:59,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:45:59,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:45:59,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:45:59,011 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 118 [2022-11-18 20:45:59,012 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 95 transitions, 198 flow. Second operand has 6 states, 6 states have (on average 91.66666666666667) internal successors, (550), 6 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:59,012 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:45:59,012 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 118 [2022-11-18 20:45:59,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:45:59,164 INFO L130 PetriNetUnfolder]: 2/94 cut-off events. [2022-11-18 20:45:59,164 INFO L131 PetriNetUnfolder]: For 1/7 co-relation queries the response was YES. [2022-11-18 20:45:59,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 94 events. 2/94 cut-off events. For 1/7 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 4/92 useless extension candidates. Maximal degree in co-relation 76. Up to 13 conditions per place. [2022-11-18 20:45:59,173 INFO L137 encePairwiseOnDemand]: 113/118 looper letters, 17 selfloop transitions, 4 changer transitions 0/94 dead transitions. [2022-11-18 20:45:59,173 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 94 transitions, 238 flow [2022-11-18 20:45:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:45:59,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:45:59,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 562 transitions. [2022-11-18 20:45:59,183 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7937853107344632 [2022-11-18 20:45:59,183 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 562 transitions. [2022-11-18 20:45:59,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 562 transitions. [2022-11-18 20:45:59,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:45:59,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 562 transitions. [2022-11-18 20:45:59,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 93.66666666666667) internal successors, (562), 6 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:59,195 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 118.0) internal successors, (826), 7 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:59,196 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 118.0) internal successors, (826), 7 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:59,196 INFO L175 Difference]: Start difference. First operand has 98 places, 95 transitions, 198 flow. Second operand 6 states and 562 transitions. [2022-11-18 20:45:59,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 94 transitions, 238 flow [2022-11-18 20:45:59,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 94 transitions, 234 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:45:59,204 INFO L231 Difference]: Finished difference. Result has 100 places, 94 transitions, 200 flow [2022-11-18 20:45:59,205 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=200, PETRI_PLACES=100, PETRI_TRANSITIONS=94} [2022-11-18 20:45:59,206 INFO L288 CegarLoopForPetriNet]: 101 programPoint places, -1 predicate places. [2022-11-18 20:45:59,207 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 94 transitions, 200 flow [2022-11-18 20:45:59,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 91.66666666666667) internal successors, (550), 6 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:59,208 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:45:59,209 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] [2022-11-18 20:45:59,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:45:59,209 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-11-18 20:45:59,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:45:59,212 INFO L85 PathProgramCache]: Analyzing trace with hash -2084589886, now seen corresponding path program 1 times [2022-11-18 20:45:59,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:45:59,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276384365] [2022-11-18 20:45:59,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:45:59,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:45:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:59,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:45:59,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:45:59,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276384365] [2022-11-18 20:45:59,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276384365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:45:59,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:45:59,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:45:59,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898265069] [2022-11-18 20:45:59,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:45:59,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:45:59,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:45:59,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:45:59,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:45:59,376 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 118 [2022-11-18 20:45:59,378 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 94 transitions, 200 flow. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:59,378 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:45:59,378 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 118 [2022-11-18 20:45:59,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:45:59,455 INFO L130 PetriNetUnfolder]: 2/91 cut-off events. [2022-11-18 20:45:59,456 INFO L131 PetriNetUnfolder]: For 2/6 co-relation queries the response was YES. [2022-11-18 20:45:59,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 91 events. 2/91 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 64 event pairs, 0 based on Foata normal form. 1/89 useless extension candidates. Maximal degree in co-relation 68. Up to 7 conditions per place. [2022-11-18 20:45:59,458 INFO L137 encePairwiseOnDemand]: 114/118 looper letters, 11 selfloop transitions, 1 changer transitions 0/91 dead transitions. [2022-11-18 20:45:59,458 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 91 transitions, 218 flow [2022-11-18 20:45:59,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:45:59,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:45:59,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 312 transitions. [2022-11-18 20:45:59,462 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8813559322033898 [2022-11-18 20:45:59,465 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 312 transitions. [2022-11-18 20:45:59,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 312 transitions. [2022-11-18 20:45:59,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:45:59,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 312 transitions. [2022-11-18 20:45:59,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:59,469 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:59,469 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:59,470 INFO L175 Difference]: Start difference. First operand has 100 places, 94 transitions, 200 flow. Second operand 3 states and 312 transitions. [2022-11-18 20:45:59,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 91 transitions, 218 flow [2022-11-18 20:45:59,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 91 transitions, 211 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 20:45:59,477 INFO L231 Difference]: Finished difference. Result has 95 places, 91 transitions, 189 flow [2022-11-18 20:45:59,477 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=189, PETRI_PLACES=95, PETRI_TRANSITIONS=91} [2022-11-18 20:45:59,480 INFO L288 CegarLoopForPetriNet]: 101 programPoint places, -6 predicate places. [2022-11-18 20:45:59,481 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 91 transitions, 189 flow [2022-11-18 20:45:59,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:59,482 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:45:59,482 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:45:59,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:45:59,483 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-11-18 20:45:59,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:45:59,484 INFO L85 PathProgramCache]: Analyzing trace with hash -832250605, now seen corresponding path program 1 times [2022-11-18 20:45:59,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:45:59,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332338967] [2022-11-18 20:45:59,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:45:59,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:45:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:00,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:46:00,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:46:00,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332338967] [2022-11-18 20:46:00,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332338967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:46:00,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:46:00,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:46:00,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837610728] [2022-11-18 20:46:00,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:46:00,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:46:00,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:46:00,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:46:00,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:46:00,222 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 118 [2022-11-18 20:46:00,224 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 91 transitions, 189 flow. Second operand has 6 states, 6 states have (on average 92.83333333333333) internal successors, (557), 6 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:46:00,224 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:46:00,224 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 118 [2022-11-18 20:46:00,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:46:00,334 INFO L130 PetriNetUnfolder]: 2/90 cut-off events. [2022-11-18 20:46:00,335 INFO L131 PetriNetUnfolder]: For 1/6 co-relation queries the response was YES. [2022-11-18 20:46:00,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 90 events. 2/90 cut-off events. For 1/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 61 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 70. Up to 13 conditions per place. [2022-11-18 20:46:00,336 INFO L137 encePairwiseOnDemand]: 113/118 looper letters, 16 selfloop transitions, 4 changer transitions 0/90 dead transitions. [2022-11-18 20:46:00,336 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 90 transitions, 227 flow [2022-11-18 20:46:00,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:46:00,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:46:00,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 561 transitions. [2022-11-18 20:46:00,339 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7923728813559322 [2022-11-18 20:46:00,339 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 561 transitions. [2022-11-18 20:46:00,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 561 transitions. [2022-11-18 20:46:00,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:46:00,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 561 transitions. [2022-11-18 20:46:00,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 93.5) internal successors, (561), 6 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:46:00,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 118.0) internal successors, (826), 7 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:46:00,351 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 118.0) internal successors, (826), 7 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:46:00,351 INFO L175 Difference]: Start difference. First operand has 95 places, 91 transitions, 189 flow. Second operand 6 states and 561 transitions. [2022-11-18 20:46:00,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 90 transitions, 227 flow [2022-11-18 20:46:00,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 90 transitions, 226 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:46:00,358 INFO L231 Difference]: Finished difference. Result has 98 places, 90 transitions, 194 flow [2022-11-18 20:46:00,358 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=194, PETRI_PLACES=98, PETRI_TRANSITIONS=90} [2022-11-18 20:46:00,365 INFO L288 CegarLoopForPetriNet]: 101 programPoint places, -3 predicate places. [2022-11-18 20:46:00,366 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 90 transitions, 194 flow [2022-11-18 20:46:00,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 92.83333333333333) internal successors, (557), 6 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:46:00,368 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:46:00,369 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] [2022-11-18 20:46:00,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:46:00,369 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-11-18 20:46:00,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:46:00,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1293211525, now seen corresponding path program 1 times [2022-11-18 20:46:00,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:46:00,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794264022] [2022-11-18 20:46:00,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:46:00,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:46:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:00,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:46:00,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:46:00,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794264022] [2022-11-18 20:46:00,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794264022] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:46:00,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:46:00,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:46:00,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798389415] [2022-11-18 20:46:00,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:46:00,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:46:00,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:46:00,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:46:00,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:46:00,555 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 118 [2022-11-18 20:46:00,556 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 90 transitions, 194 flow. Second operand has 4 states, 4 states have (on average 103.0) internal successors, (412), 4 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:46:00,556 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:46:00,556 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 118 [2022-11-18 20:46:00,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:46:00,619 INFO L130 PetriNetUnfolder]: 1/89 cut-off events. [2022-11-18 20:46:00,619 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-18 20:46:00,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 89 events. 1/89 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 34 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 90. Up to 9 conditions per place. [2022-11-18 20:46:00,620 INFO L137 encePairwiseOnDemand]: 114/118 looper letters, 10 selfloop transitions, 3 changer transitions 0/89 dead transitions. [2022-11-18 20:46:00,620 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 89 transitions, 218 flow [2022-11-18 20:46:00,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:46:00,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-18 20:46:00,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 514 transitions. [2022-11-18 20:46:00,624 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8711864406779661 [2022-11-18 20:46:00,624 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 514 transitions. [2022-11-18 20:46:00,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 514 transitions. [2022-11-18 20:46:00,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:46:00,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 514 transitions. [2022-11-18 20:46:00,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 102.8) internal successors, (514), 5 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:46:00,630 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 118.0) internal successors, (708), 6 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:46:00,630 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 118.0) internal successors, (708), 6 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:46:00,631 INFO L175 Difference]: Start difference. First operand has 98 places, 90 transitions, 194 flow. Second operand 5 states and 514 transitions. [2022-11-18 20:46:00,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 89 transitions, 218 flow [2022-11-18 20:46:00,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 89 transitions, 211 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 20:46:00,636 INFO L231 Difference]: Finished difference. Result has 98 places, 89 transitions, 191 flow [2022-11-18 20:46:00,637 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=191, PETRI_PLACES=98, PETRI_TRANSITIONS=89} [2022-11-18 20:46:00,640 INFO L288 CegarLoopForPetriNet]: 101 programPoint places, -3 predicate places. [2022-11-18 20:46:00,640 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 89 transitions, 191 flow [2022-11-18 20:46:00,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 103.0) internal successors, (412), 4 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:46:00,641 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:46:00,641 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] [2022-11-18 20:46:00,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:46:00,642 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-11-18 20:46:00,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:46:00,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1235649060, now seen corresponding path program 1 times [2022-11-18 20:46:00,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:46:00,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796086296] [2022-11-18 20:46:00,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:46:00,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:46:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:00,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:46:00,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:46:00,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796086296] [2022-11-18 20:46:00,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796086296] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:46:00,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:46:00,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:46:00,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740071667] [2022-11-18 20:46:00,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:46:00,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:46:00,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:46:00,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:46:00,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:46:00,848 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 118 [2022-11-18 20:46:00,849 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 89 transitions, 191 flow. Second operand has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:46:00,849 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:46:00,849 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 118 [2022-11-18 20:46:00,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:46:00,909 INFO L130 PetriNetUnfolder]: 17/142 cut-off events. [2022-11-18 20:46:00,910 INFO L131 PetriNetUnfolder]: For 7/15 co-relation queries the response was YES. [2022-11-18 20:46:00,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 212 conditions, 142 events. 17/142 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 258 event pairs, 15 based on Foata normal form. 1/137 useless extension candidates. Maximal degree in co-relation 128. Up to 50 conditions per place. [2022-11-18 20:46:00,911 INFO L137 encePairwiseOnDemand]: 116/118 looper letters, 0 selfloop transitions, 0 changer transitions 88/88 dead transitions. [2022-11-18 20:46:00,911 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 88 transitions, 229 flow [2022-11-18 20:46:00,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:46:00,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:46:00,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 291 transitions. [2022-11-18 20:46:00,914 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8220338983050848 [2022-11-18 20:46:00,914 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 291 transitions. [2022-11-18 20:46:00,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 291 transitions. [2022-11-18 20:46:00,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:46:00,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 291 transitions. [2022-11-18 20:46:00,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:46:00,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:46:00,918 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:46:00,918 INFO L175 Difference]: Start difference. First operand has 98 places, 89 transitions, 191 flow. Second operand 3 states and 291 transitions. [2022-11-18 20:46:00,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 88 transitions, 229 flow [2022-11-18 20:46:00,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 88 transitions, 224 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-18 20:46:00,920 INFO L231 Difference]: Finished difference. Result has 96 places, 0 transitions, 0 flow [2022-11-18 20:46:00,920 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=96, PETRI_TRANSITIONS=0} [2022-11-18 20:46:00,921 INFO L288 CegarLoopForPetriNet]: 101 programPoint places, -5 predicate places. [2022-11-18 20:46:00,922 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 0 transitions, 0 flow [2022-11-18 20:46:00,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:46:00,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2022-11-18 20:46:00,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2022-11-18 20:46:00,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2022-11-18 20:46:00,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2022-11-18 20:46:00,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2022-11-18 20:46:00,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2022-11-18 20:46:00,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2022-11-18 20:46:00,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 12 remaining) [2022-11-18 20:46:00,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 12 remaining) [2022-11-18 20:46:00,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2022-11-18 20:46:00,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2022-11-18 20:46:00,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2022-11-18 20:46:00,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:46:00,930 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-18 20:46:00,937 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 20:46:00,937 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:46:00,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:46:00 BasicIcfg [2022-11-18 20:46:00,944 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:46:00,944 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:46:00,945 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:46:00,945 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:46:00,945 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:45:57" (3/4) ... [2022-11-18 20:46:00,949 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:46:00,956 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-18 20:46:00,956 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-18 20:46:00,962 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-18 20:46:00,962 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-18 20:46:00,962 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-18 20:46:00,963 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:46:00,963 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:46:01,001 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ca59f3-664d-4a7f-a9fe-28b26c0c7564/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:46:01,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:46:01,003 INFO L158 Benchmark]: Toolchain (without parser) took 5485.94ms. Allocated memory was 111.1MB in the beginning and 165.7MB in the end (delta: 54.5MB). Free memory was 64.3MB in the beginning and 65.5MB in the end (delta: -1.2MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2022-11-18 20:46:01,003 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 111.1MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:46:01,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 936.66ms. Allocated memory is still 111.1MB. Free memory was 64.0MB in the beginning and 62.8MB in the end (delta: 1.3MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2022-11-18 20:46:01,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.77ms. Allocated memory is still 111.1MB. Free memory was 62.8MB in the beginning and 60.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:46:01,004 INFO L158 Benchmark]: Boogie Preprocessor took 40.68ms. Allocated memory is still 111.1MB. Free memory was 60.1MB in the beginning and 58.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:46:01,005 INFO L158 Benchmark]: RCFGBuilder took 763.57ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 58.3MB in the beginning and 106.3MB in the end (delta: -48.0MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2022-11-18 20:46:01,005 INFO L158 Benchmark]: TraceAbstraction took 3612.64ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 105.4MB in the beginning and 67.6MB in the end (delta: 37.9MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2022-11-18 20:46:01,006 INFO L158 Benchmark]: Witness Printer took 57.49ms. Allocated memory is still 165.7MB. Free memory was 67.6MB in the beginning and 65.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:46:01,008 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 111.1MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 936.66ms. Allocated memory is still 111.1MB. Free memory was 64.0MB in the beginning and 62.8MB in the end (delta: 1.3MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.77ms. Allocated memory is still 111.1MB. Free memory was 62.8MB in the beginning and 60.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.68ms. Allocated memory is still 111.1MB. Free memory was 60.1MB in the beginning and 58.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 763.57ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 58.3MB in the beginning and 106.3MB in the end (delta: -48.0MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3612.64ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 105.4MB in the beginning and 67.6MB in the end (delta: 37.9MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. * Witness Printer took 57.49ms. Allocated memory is still 165.7MB. Free memory was 67.6MB in the beginning and 65.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1126]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 153 locations, 12 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: 3.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 53 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 128 IncrementalHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 51 mSDtfsCounter, 128 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=206occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 345 NumberOfCodeBlocks, 345 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 339 ConstructedInterpolants, 0 QuantifiedInterpolants, 565 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 20:46:01,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21ca59f3-664d-4a7f-a9fe-28b26c0c7564/bin/uautomizer-TMbwUNV5ro/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