./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612cf1cd-ba56-445c-a9be-09fc318af59a/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612cf1cd-ba56-445c-a9be-09fc318af59a/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612cf1cd-ba56-445c-a9be-09fc318af59a/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612cf1cd-ba56-445c-a9be-09fc318af59a/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612cf1cd-ba56-445c-a9be-09fc318af59a/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612cf1cd-ba56-445c-a9be-09fc318af59a/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23c4aefdda14d4315577cd0030d174ab477745d4b270d2de822290a016a0ff8d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:11:58,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:11:58,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:11:58,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:11:58,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:11:58,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:11:58,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:11:58,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:11:58,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:11:58,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:11:58,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:11:58,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:11:58,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:11:58,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:11:58,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:11:58,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:11:58,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:11:58,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:11:58,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:11:58,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:11:58,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:11:58,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:11:58,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:11:58,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:11:58,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:11:58,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:11:58,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:11:58,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:11:58,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:11:58,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:11:58,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:11:58,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:11:58,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:11:58,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:11:58,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:11:58,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:11:58,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:11:58,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:11:58,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:11:58,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:11:58,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:11:58,435 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612cf1cd-ba56-445c-a9be-09fc318af59a/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 20:11:58,466 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:11:58,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:11:58,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:11:58,468 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:11:58,469 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:11:58,469 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:11:58,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:11:58,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:11:58,470 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:11:58,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:11:58,471 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:11:58,471 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:11:58,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:11:58,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:11:58,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:11:58,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:11:58,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:11:58,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:11:58,473 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 20:11:58,474 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:11:58,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:11:58,474 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:11:58,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:11:58,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:11:58,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:11:58,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:11:58,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:11:58,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:11:58,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:11:58,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:11:58,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:11:58,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:11:58,478 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:11:58,478 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:11:58,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:11:58,479 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_612cf1cd-ba56-445c-a9be-09fc318af59a/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612cf1cd-ba56-445c-a9be-09fc318af59a/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23c4aefdda14d4315577cd0030d174ab477745d4b270d2de822290a016a0ff8d [2022-11-02 20:11:58,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:11:58,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:11:58,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:11:58,862 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:11:58,863 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:11:58,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612cf1cd-ba56-445c-a9be-09fc318af59a/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i [2022-11-02 20:11:58,958 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612cf1cd-ba56-445c-a9be-09fc318af59a/bin/uautomizer-Dbtcem3rbc/data/57744145b/c034f810778a47078908a90474c875e6/FLAG9d4cd5831 [2022-11-02 20:11:59,845 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:11:59,847 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612cf1cd-ba56-445c-a9be-09fc318af59a/sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i [2022-11-02 20:11:59,877 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612cf1cd-ba56-445c-a9be-09fc318af59a/bin/uautomizer-Dbtcem3rbc/data/57744145b/c034f810778a47078908a90474c875e6/FLAG9d4cd5831 [2022-11-02 20:11:59,987 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612cf1cd-ba56-445c-a9be-09fc318af59a/bin/uautomizer-Dbtcem3rbc/data/57744145b/c034f810778a47078908a90474c875e6 [2022-11-02 20:11:59,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:11:59,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:11:59,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:11:59,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:11:59,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:12:00,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:11:59" (1/1) ... [2022-11-02 20:12:00,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ee91681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:00, skipping insertion in model container [2022-11-02 20:12:00,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:11:59" (1/1) ... [2022-11-02 20:12:00,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:12:00,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:12:00,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612cf1cd-ba56-445c-a9be-09fc318af59a/sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i[47038,47051] [2022-11-02 20:12:00,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:12:00,864 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:12:00,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612cf1cd-ba56-445c-a9be-09fc318af59a/sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i[47038,47051] [2022-11-02 20:12:00,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:12:01,035 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:12:01,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:01 WrapperNode [2022-11-02 20:12:01,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:12:01,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:12:01,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:12:01,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:12:01,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:01" (1/1) ... [2022-11-02 20:12:01,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:01" (1/1) ... [2022-11-02 20:12:01,207 INFO L138 Inliner]: procedures = 279, calls = 86, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 517 [2022-11-02 20:12:01,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:12:01,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:12:01,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:12:01,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:12:01,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:01" (1/1) ... [2022-11-02 20:12:01,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:01" (1/1) ... [2022-11-02 20:12:01,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:01" (1/1) ... [2022-11-02 20:12:01,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:01" (1/1) ... [2022-11-02 20:12:01,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:01" (1/1) ... [2022-11-02 20:12:01,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:01" (1/1) ... [2022-11-02 20:12:01,356 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:01" (1/1) ... [2022-11-02 20:12:01,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:01" (1/1) ... [2022-11-02 20:12:01,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:12:01,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:12:01,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:12:01,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:12:01,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:01" (1/1) ... [2022-11-02 20:12:01,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:12:01,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612cf1cd-ba56-445c-a9be-09fc318af59a/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:12:01,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612cf1cd-ba56-445c-a9be-09fc318af59a/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:12:01,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612cf1cd-ba56-445c-a9be-09fc318af59a/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:12:01,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:12:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:12:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2022-11-02 20:12:01,557 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2022-11-02 20:12:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:12:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:12:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-11-02 20:12:01,561 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-11-02 20:12:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:12:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-02 20:12:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:12:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:12:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:12:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2022-11-02 20:12:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2022-11-02 20:12:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:12:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:12:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:12:01,567 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:12:01,947 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:12:01,950 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:12:03,233 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:12:03,252 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:12:03,253 INFO L300 CfgBuilder]: Removed 28 assume(true) statements. [2022-11-02 20:12:03,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:12:03 BoogieIcfgContainer [2022-11-02 20:12:03,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:12:03,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:12:03,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:12:03,287 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:12:03,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:11:59" (1/3) ... [2022-11-02 20:12:03,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12508289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:12:03, skipping insertion in model container [2022-11-02 20:12:03,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:01" (2/3) ... [2022-11-02 20:12:03,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12508289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:12:03, skipping insertion in model container [2022-11-02 20:12:03,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:12:03" (3/3) ... [2022-11-02 20:12:03,292 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_83-list2_racing1.i [2022-11-02 20:12:03,319 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:12:03,332 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:12:03,332 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-11-02 20:12:03,332 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:12:03,708 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2022-11-02 20:12:03,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 535 places, 574 transitions, 1190 flow [2022-11-02 20:12:04,966 INFO L130 PetriNetUnfolder]: 165/1628 cut-off events. [2022-11-02 20:12:04,967 INFO L131 PetriNetUnfolder]: For 36/66 co-relation queries the response was YES. [2022-11-02 20:12:05,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1689 conditions, 1628 events. 165/1628 cut-off events. For 36/66 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 11527 event pairs, 0 based on Foata normal form. 0/1365 useless extension candidates. Maximal degree in co-relation 836. Up to 16 conditions per place. [2022-11-02 20:12:05,029 INFO L82 GeneralOperation]: Start removeDead. Operand has 535 places, 574 transitions, 1190 flow [2022-11-02 20:12:05,073 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 535 places, 574 transitions, 1190 flow [2022-11-02 20:12:05,102 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:12:05,112 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;@51b763ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:12:05,112 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2022-11-02 20:12:05,123 INFO L130 PetriNetUnfolder]: 0/47 cut-off events. [2022-11-02 20:12:05,123 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:12:05,124 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:12:05,126 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:12:05,126 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-02 20:12:05,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:12:05,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1483080218, now seen corresponding path program 1 times [2022-11-02 20:12:05,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:12:05,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571836425] [2022-11-02 20:12:05,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:12:05,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:12:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:05,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:12:05,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:12:05,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571836425] [2022-11-02 20:12:05,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571836425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:12:05,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:12:05,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:12:05,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121226327] [2022-11-02 20:12:05,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:12:05,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:12:05,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:12:05,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:12:05,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:12:05,729 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 574 [2022-11-02 20:12:05,742 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 574 transitions, 1190 flow. Second operand has 3 states, 3 states have (on average 513.3333333333334) internal successors, (1540), 3 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:12:05,743 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:12:05,743 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 574 [2022-11-02 20:12:05,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:12:10,869 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][494], [51#L1057-9true, t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse, 263#L1044-1true]) [2022-11-02 20:12:10,870 INFO L383 tUnfolder$Statistics]: this new event has 289 ancestors and is cut-off event [2022-11-02 20:12:10,870 INFO L386 tUnfolder$Statistics]: existing Event has 289 ancestors and is cut-off event [2022-11-02 20:12:10,871 INFO L386 tUnfolder$Statistics]: existing Event has 212 ancestors and is cut-off event [2022-11-02 20:12:10,871 INFO L386 tUnfolder$Statistics]: existing Event has 212 ancestors and is cut-off event [2022-11-02 20:12:10,872 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][495], [t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse, 263#L1044-1true, 401#L1056-9true]) [2022-11-02 20:12:10,872 INFO L383 tUnfolder$Statistics]: this new event has 287 ancestors and is cut-off event [2022-11-02 20:12:10,872 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is cut-off event [2022-11-02 20:12:10,873 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-11-02 20:12:10,873 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-11-02 20:12:10,873 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][496], [t2_funThread1of1ForFork0NotInUse, 477#L1058-9true, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse, 263#L1044-1true]) [2022-11-02 20:12:10,874 INFO L383 tUnfolder$Statistics]: this new event has 291 ancestors and is cut-off event [2022-11-02 20:12:10,874 INFO L386 tUnfolder$Statistics]: existing Event has 214 ancestors and is cut-off event [2022-11-02 20:12:10,874 INFO L386 tUnfolder$Statistics]: existing Event has 214 ancestors and is cut-off event [2022-11-02 20:12:10,874 INFO L386 tUnfolder$Statistics]: existing Event has 291 ancestors and is cut-off event [2022-11-02 20:12:10,879 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][494], [51#L1057-9true, 324#L1037-1true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse]) [2022-11-02 20:12:10,879 INFO L383 tUnfolder$Statistics]: this new event has 289 ancestors and is cut-off event [2022-11-02 20:12:10,879 INFO L386 tUnfolder$Statistics]: existing Event has 212 ancestors and is cut-off event [2022-11-02 20:12:10,880 INFO L386 tUnfolder$Statistics]: existing Event has 289 ancestors and is cut-off event [2022-11-02 20:12:10,880 INFO L386 tUnfolder$Statistics]: existing Event has 212 ancestors and is cut-off event [2022-11-02 20:12:10,881 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][495], [324#L1037-1true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 401#L1056-9true]) [2022-11-02 20:12:10,881 INFO L383 tUnfolder$Statistics]: this new event has 287 ancestors and is cut-off event [2022-11-02 20:12:10,882 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-11-02 20:12:10,882 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is cut-off event [2022-11-02 20:12:10,882 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-11-02 20:12:10,883 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][496], [477#L1058-9true, 324#L1037-1true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse]) [2022-11-02 20:12:10,883 INFO L383 tUnfolder$Statistics]: this new event has 291 ancestors and is cut-off event [2022-11-02 20:12:10,883 INFO L386 tUnfolder$Statistics]: existing Event has 214 ancestors and is cut-off event [2022-11-02 20:12:10,884 INFO L386 tUnfolder$Statistics]: existing Event has 214 ancestors and is cut-off event [2022-11-02 20:12:10,884 INFO L386 tUnfolder$Statistics]: existing Event has 291 ancestors and is cut-off event [2022-11-02 20:12:10,908 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][494], [51#L1057-9true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 409#t2_funErr0ASSERT_VIOLATIONDATA_RACEtrue]) [2022-11-02 20:12:10,908 INFO L383 tUnfolder$Statistics]: this new event has 290 ancestors and is cut-off event [2022-11-02 20:12:10,909 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-02 20:12:10,909 INFO L386 tUnfolder$Statistics]: existing Event has 290 ancestors and is cut-off event [2022-11-02 20:12:10,910 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-02 20:12:10,912 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][495], [t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 409#t2_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 401#L1056-9true]) [2022-11-02 20:12:10,915 INFO L383 tUnfolder$Statistics]: this new event has 288 ancestors and is cut-off event [2022-11-02 20:12:10,916 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-02 20:12:10,916 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-02 20:12:10,916 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-02 20:12:10,917 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][496], [477#L1058-9true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 409#t2_funErr0ASSERT_VIOLATIONDATA_RACEtrue]) [2022-11-02 20:12:10,918 INFO L383 tUnfolder$Statistics]: this new event has 292 ancestors and is cut-off event [2022-11-02 20:12:10,918 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-02 20:12:10,919 INFO L386 tUnfolder$Statistics]: existing Event has 292 ancestors and is cut-off event [2022-11-02 20:12:10,919 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-02 20:12:10,930 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][494], [5#L1044-2true, 51#L1057-9true, t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse]) [2022-11-02 20:12:10,931 INFO L383 tUnfolder$Statistics]: this new event has 290 ancestors and is cut-off event [2022-11-02 20:12:10,931 INFO L386 tUnfolder$Statistics]: existing Event has 290 ancestors and is cut-off event [2022-11-02 20:12:10,931 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-02 20:12:10,931 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-02 20:12:10,932 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][495], [5#L1044-2true, t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse, 401#L1056-9true]) [2022-11-02 20:12:10,932 INFO L383 tUnfolder$Statistics]: this new event has 288 ancestors and is cut-off event [2022-11-02 20:12:10,933 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-02 20:12:10,933 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-02 20:12:10,934 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-02 20:12:10,935 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][496], [5#L1044-2true, 477#L1058-9true, t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse]) [2022-11-02 20:12:10,936 INFO L383 tUnfolder$Statistics]: this new event has 292 ancestors and is cut-off event [2022-11-02 20:12:10,936 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-02 20:12:10,936 INFO L386 tUnfolder$Statistics]: existing Event has 292 ancestors and is cut-off event [2022-11-02 20:12:10,937 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-02 20:12:10,938 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][494], [51#L1057-9true, t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse, 373#t3_funErr0ASSERT_VIOLATIONDATA_RACEtrue]) [2022-11-02 20:12:10,939 INFO L383 tUnfolder$Statistics]: this new event has 290 ancestors and is cut-off event [2022-11-02 20:12:10,939 INFO L386 tUnfolder$Statistics]: existing Event has 290 ancestors and is cut-off event [2022-11-02 20:12:10,939 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-02 20:12:10,939 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-02 20:12:10,940 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][495], [t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse, 373#t3_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 401#L1056-9true]) [2022-11-02 20:12:10,940 INFO L383 tUnfolder$Statistics]: this new event has 288 ancestors and is cut-off event [2022-11-02 20:12:10,941 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-02 20:12:10,941 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-02 20:12:10,941 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-02 20:12:10,942 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][496], [477#L1058-9true, t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse, 373#t3_funErr0ASSERT_VIOLATIONDATA_RACEtrue]) [2022-11-02 20:12:10,942 INFO L383 tUnfolder$Statistics]: this new event has 292 ancestors and is cut-off event [2022-11-02 20:12:10,942 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-02 20:12:10,943 INFO L386 tUnfolder$Statistics]: existing Event has 292 ancestors and is cut-off event [2022-11-02 20:12:10,943 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-02 20:12:10,947 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][494], [51#L1057-9true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 119#L1037-2true]) [2022-11-02 20:12:10,947 INFO L383 tUnfolder$Statistics]: this new event has 290 ancestors and is cut-off event [2022-11-02 20:12:10,947 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-02 20:12:10,948 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-02 20:12:10,948 INFO L386 tUnfolder$Statistics]: existing Event has 290 ancestors and is cut-off event [2022-11-02 20:12:10,949 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][495], [t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 401#L1056-9true, 119#L1037-2true]) [2022-11-02 20:12:10,949 INFO L383 tUnfolder$Statistics]: this new event has 288 ancestors and is cut-off event [2022-11-02 20:12:10,949 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-02 20:12:10,951 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-02 20:12:10,951 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-02 20:12:10,952 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][496], [477#L1058-9true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 119#L1037-2true]) [2022-11-02 20:12:10,952 INFO L383 tUnfolder$Statistics]: this new event has 292 ancestors and is cut-off event [2022-11-02 20:12:10,952 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-02 20:12:10,953 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-02 20:12:10,953 INFO L386 tUnfolder$Statistics]: existing Event has 292 ancestors and is cut-off event [2022-11-02 20:12:11,313 INFO L130 PetriNetUnfolder]: 756/10386 cut-off events. [2022-11-02 20:12:11,314 INFO L131 PetriNetUnfolder]: For 1253/1646 co-relation queries the response was YES. [2022-11-02 20:12:11,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11702 conditions, 10386 events. 756/10386 cut-off events. For 1253/1646 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 112064 event pairs, 375 based on Foata normal form. 870/10049 useless extension candidates. Maximal degree in co-relation 7019. Up to 872 conditions per place. [2022-11-02 20:12:11,626 INFO L137 encePairwiseOnDemand]: 541/574 looper letters, 27 selfloop transitions, 2 changer transitions 0/541 dead transitions. [2022-11-02 20:12:11,627 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 541 transitions, 1182 flow [2022-11-02 20:12:11,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:12:11,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:12:11,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1596 transitions. [2022-11-02 20:12:11,667 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.926829268292683 [2022-11-02 20:12:11,668 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1596 transitions. [2022-11-02 20:12:11,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1596 transitions. [2022-11-02 20:12:11,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:12:11,680 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1596 transitions. [2022-11-02 20:12:11,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 532.0) internal successors, (1596), 3 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:12:11,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 574.0) internal successors, (2296), 4 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:12:11,708 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 574.0) internal successors, (2296), 4 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:12:11,710 INFO L175 Difference]: Start difference. First operand has 535 places, 574 transitions, 1190 flow. Second operand 3 states and 1596 transitions. [2022-11-02 20:12:11,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 541 transitions, 1182 flow [2022-11-02 20:12:11,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 541 transitions, 1182 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 20:12:11,750 INFO L231 Difference]: Finished difference. Result has 534 places, 541 transitions, 1128 flow [2022-11-02 20:12:11,755 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=1124, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1128, PETRI_PLACES=534, PETRI_TRANSITIONS=541} [2022-11-02 20:12:11,766 INFO L287 CegarLoopForPetriNet]: 535 programPoint places, -1 predicate places. [2022-11-02 20:12:11,767 INFO L495 AbstractCegarLoop]: Abstraction has has 534 places, 541 transitions, 1128 flow [2022-11-02 20:12:11,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 513.3333333333334) internal successors, (1540), 3 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:12:11,768 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:12:11,769 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:12:11,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:12:11,769 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-02 20:12:11,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:12:11,770 INFO L85 PathProgramCache]: Analyzing trace with hash -730148464, now seen corresponding path program 1 times [2022-11-02 20:12:11,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:12:11,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097303250] [2022-11-02 20:12:11,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:12:11,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:12:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:11,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:12:11,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:12:11,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097303250] [2022-11-02 20:12:11,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097303250] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:12:11,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:12:11,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:12:11,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244957487] [2022-11-02 20:12:11,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:12:11,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:12:11,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:12:11,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:12:11,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:12:11,946 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 515 out of 574 [2022-11-02 20:12:11,949 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 541 transitions, 1128 flow. Second operand has 3 states, 3 states have (on average 516.3333333333334) internal successors, (1549), 3 states have internal predecessors, (1549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:12:11,949 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:12:11,949 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 515 of 574 [2022-11-02 20:12:11,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:12:14,889 INFO L130 PetriNetUnfolder]: 424/7411 cut-off events. [2022-11-02 20:12:14,889 INFO L131 PetriNetUnfolder]: For 709/772 co-relation queries the response was YES. [2022-11-02 20:12:15,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8120 conditions, 7411 events. 424/7411 cut-off events. For 709/772 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 72824 event pairs, 180 based on Foata normal form. 0/6713 useless extension candidates. Maximal degree in co-relation 8061. Up to 446 conditions per place. [2022-11-02 20:12:15,158 INFO L137 encePairwiseOnDemand]: 569/574 looper letters, 21 selfloop transitions, 1 changer transitions 0/537 dead transitions. [2022-11-02 20:12:15,158 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 537 transitions, 1164 flow [2022-11-02 20:12:15,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:12:15,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:12:15,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1571 transitions. [2022-11-02 20:12:15,165 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9123112659698026 [2022-11-02 20:12:15,165 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1571 transitions. [2022-11-02 20:12:15,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1571 transitions. [2022-11-02 20:12:15,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:12:15,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1571 transitions. [2022-11-02 20:12:15,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 523.6666666666666) internal successors, (1571), 3 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:12:15,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 574.0) internal successors, (2296), 4 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:12:15,182 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 574.0) internal successors, (2296), 4 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:12:15,182 INFO L175 Difference]: Start difference. First operand has 534 places, 541 transitions, 1128 flow. Second operand 3 states and 1571 transitions. [2022-11-02 20:12:15,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 532 places, 537 transitions, 1164 flow [2022-11-02 20:12:15,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 530 places, 537 transitions, 1160 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:12:15,200 INFO L231 Difference]: Finished difference. Result has 530 places, 537 transitions, 1118 flow [2022-11-02 20:12:15,202 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=1116, PETRI_DIFFERENCE_MINUEND_PLACES=528, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1118, PETRI_PLACES=530, PETRI_TRANSITIONS=537} [2022-11-02 20:12:15,203 INFO L287 CegarLoopForPetriNet]: 535 programPoint places, -5 predicate places. [2022-11-02 20:12:15,203 INFO L495 AbstractCegarLoop]: Abstraction has has 530 places, 537 transitions, 1118 flow [2022-11-02 20:12:15,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 516.3333333333334) internal successors, (1549), 3 states have internal predecessors, (1549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:12:15,205 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:12:15,206 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:12:15,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:12:15,207 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-02 20:12:15,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:12:15,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1943411359, now seen corresponding path program 1 times [2022-11-02 20:12:15,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:12:15,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032524036] [2022-11-02 20:12:15,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:12:15,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:12:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:16,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:12:16,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:12:16,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032524036] [2022-11-02 20:12:16,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032524036] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:12:16,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:12:16,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:12:16,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289071087] [2022-11-02 20:12:16,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:12:16,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:12:16,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:12:16,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:12:16,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:12:16,133 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 362 out of 574 [2022-11-02 20:12:16,138 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 530 places, 537 transitions, 1118 flow. Second operand has 6 states, 6 states have (on average 363.5) internal successors, (2181), 6 states have internal predecessors, (2181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:12:16,138 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:12:16,139 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 362 of 574 [2022-11-02 20:12:16,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand