./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_b91798cd-d5a7-4290-a481-fd5b217f0b28/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91798cd-d5a7-4290-a481-fd5b217f0b28/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91798cd-d5a7-4290-a481-fd5b217f0b28/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91798cd-d5a7-4290-a481-fd5b217f0b28/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91798cd-d5a7-4290-a481-fd5b217f0b28/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91798cd-d5a7-4290-a481-fd5b217f0b28/bin/uautomizer-ZsLfNo2U6R --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 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 --- 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-38b53e6 [2022-11-25 18:03:16,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:03:16,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:03:16,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:03:16,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:03:16,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:03:16,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:03:16,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:03:16,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:03:16,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:03:16,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:03:16,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:03:16,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:03:16,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:03:16,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:03:16,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:03:16,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:03:16,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:03:16,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:03:16,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:03:16,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:03:16,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:03:16,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:03:16,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:03:16,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:03:16,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:03:16,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:03:16,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:03:16,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:03:16,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:03:16,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:03:16,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:03:16,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:03:16,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:03:16,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:03:16,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:03:16,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:03:16,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:03:16,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:03:16,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:03:16,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:03:16,453 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91798cd-d5a7-4290-a481-fd5b217f0b28/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 18:03:16,480 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:03:16,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:03:16,485 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:03:16,485 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:03:16,486 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:03:16,486 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:03:16,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:03:16,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:03:16,488 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:03:16,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:03:16,490 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:03:16,490 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:03:16,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:03:16,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:03:16,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:03:16,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:03:16,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:03:16,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:03:16,492 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 18:03:16,492 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:03:16,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:03:16,493 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:03:16,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:03:16,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:03:16,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:03:16,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:03:16,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:03:16,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:03:16,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:03:16,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:03:16,496 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:03:16,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:03:16,497 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:03:16,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:03:16,498 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:03:16,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:03:16,498 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b91798cd-d5a7-4290-a481-fd5b217f0b28/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91798cd-d5a7-4290-a481-fd5b217f0b28/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 [2022-11-25 18:03:16,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:03:16,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:03:16,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:03:16,881 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:03:16,882 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:03:16,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91798cd-d5a7-4290-a481-fd5b217f0b28/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i [2022-11-25 18:03:20,112 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:03:20,510 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:03:20,510 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91798cd-d5a7-4290-a481-fd5b217f0b28/sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i [2022-11-25 18:03:20,535 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91798cd-d5a7-4290-a481-fd5b217f0b28/bin/uautomizer-ZsLfNo2U6R/data/fcdce989e/6d61a6f44e054f3eb9ce3de99020bf5b/FLAG2e71f69e9 [2022-11-25 18:03:20,556 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91798cd-d5a7-4290-a481-fd5b217f0b28/bin/uautomizer-ZsLfNo2U6R/data/fcdce989e/6d61a6f44e054f3eb9ce3de99020bf5b [2022-11-25 18:03:20,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:03:20,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:03:20,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:03:20,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:03:20,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:03:20,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:03:20" (1/1) ... [2022-11-25 18:03:20,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d55cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:03:20, skipping insertion in model container [2022-11-25 18:03:20,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:03:20" (1/1) ... [2022-11-25 18:03:20,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:03:20,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:03:21,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:03:21,629 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:03:21,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:03:21,872 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:03:21,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:03:21 WrapperNode [2022-11-25 18:03:21,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:03:21,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:03:21,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:03:21,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:03:21,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:03:21" (1/1) ... [2022-11-25 18:03:21,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:03:21" (1/1) ... [2022-11-25 18:03:21,995 INFO L138 Inliner]: procedures = 368, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 196 [2022-11-25 18:03:21,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:03:21,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:03:21,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:03:21,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:03:22,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:03:21" (1/1) ... [2022-11-25 18:03:22,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:03:21" (1/1) ... [2022-11-25 18:03:22,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:03:21" (1/1) ... [2022-11-25 18:03:22,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:03:21" (1/1) ... [2022-11-25 18:03:22,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:03:21" (1/1) ... [2022-11-25 18:03:22,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:03:21" (1/1) ... [2022-11-25 18:03:22,063 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:03:21" (1/1) ... [2022-11-25 18:03:22,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:03:21" (1/1) ... [2022-11-25 18:03:22,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:03:22,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:03:22,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:03:22,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:03:22,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:03:21" (1/1) ... [2022-11-25 18:03:22,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:03:22,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91798cd-d5a7-4290-a481-fd5b217f0b28/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:03:22,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91798cd-d5a7-4290-a481-fd5b217f0b28/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:03:22,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91798cd-d5a7-4290-a481-fd5b217f0b28/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:03:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:03:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 18:03:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:03:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:03:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:03:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 18:03:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 18:03:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:03:22,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 18:03:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-25 18:03:22,169 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-25 18:03:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:03:22,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:03:22,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:03:22,171 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:03:22,461 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:03:22,464 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:03:23,221 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:03:23,233 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:03:23,233 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:03:23,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:03:23 BoogieIcfgContainer [2022-11-25 18:03:23,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:03:23,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:03:23,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:03:23,253 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:03:23,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:03:20" (1/3) ... [2022-11-25 18:03:23,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d843c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:03:23, skipping insertion in model container [2022-11-25 18:03:23,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:03:21" (2/3) ... [2022-11-25 18:03:23,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d843c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:03:23, skipping insertion in model container [2022-11-25 18:03:23,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:03:23" (3/3) ... [2022-11-25 18:03:23,256 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_04-list2_nr.i [2022-11-25 18:03:23,265 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 18:03:23,279 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:03:23,279 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-25 18:03:23,279 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 18:03:23,395 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 18:03:23,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 307 places, 303 transitions, 611 flow [2022-11-25 18:03:23,562 INFO L130 PetriNetUnfolder]: 0/302 cut-off events. [2022-11-25 18:03:23,563 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 18:03:23,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 302 events. 0/302 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 157 event pairs, 0 based on Foata normal form. 0/272 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-25 18:03:23,570 INFO L82 GeneralOperation]: Start removeDead. Operand has 307 places, 303 transitions, 611 flow [2022-11-25 18:03:23,578 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 306 places, 302 transitions, 607 flow [2022-11-25 18:03:23,586 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 18:03:23,632 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 306 places, 302 transitions, 607 flow [2022-11-25 18:03:23,635 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 306 places, 302 transitions, 607 flow [2022-11-25 18:03:23,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 306 places, 302 transitions, 607 flow [2022-11-25 18:03:23,726 INFO L130 PetriNetUnfolder]: 0/302 cut-off events. [2022-11-25 18:03:23,726 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 18:03:23,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 302 events. 0/302 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 157 event pairs, 0 based on Foata normal form. 0/272 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-25 18:03:23,733 INFO L119 LiptonReduction]: Number of co-enabled transitions 7728 [2022-11-25 18:03:51,108 WARN L233 SmtUtils]: Spent 5.52s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:03:56,236 WARN L233 SmtUtils]: Spent 5.13s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:04:03,818 WARN L233 SmtUtils]: Spent 7.58s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:04:09,246 WARN L233 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:04:15,283 WARN L233 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 116 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:04:25,170 WARN L233 SmtUtils]: Spent 5.81s on a formula simplification that was a NOOP. DAG size: 116 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:05:19,179 WARN L233 SmtUtils]: Spent 48.01s on a formula simplification. DAG size of input: 176 DAG size of output: 168 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:05:37,041 WARN L233 SmtUtils]: Spent 17.86s on a formula simplification that was a NOOP. DAG size: 160 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:06:14,593 WARN L233 SmtUtils]: Spent 37.55s on a formula simplification. DAG size of input: 176 DAG size of output: 168 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:06:28,254 WARN L233 SmtUtils]: Spent 13.66s on a formula simplification that was a NOOP. DAG size: 160 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:06:38,448 WARN L233 SmtUtils]: Spent 5.24s on a formula simplification that was a NOOP. DAG size: 201 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:08:57,921 WARN L233 SmtUtils]: Spent 2.31m on a formula simplification. DAG size of input: 206 DAG size of output: 204 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:09:44,397 WARN L233 SmtUtils]: Spent 46.47s on a formula simplification that was a NOOP. DAG size: 194 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:11:40,395 WARN L233 SmtUtils]: Spent 1.93m on a formula simplification. DAG size of input: 206 DAG size of output: 204 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:12:25,238 WARN L233 SmtUtils]: Spent 44.84s on a formula simplification that was a NOOP. DAG size: 194 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:15:22,054 WARN L233 SmtUtils]: Spent 2.95m on a formula simplification that was a NOOP. DAG size: 299 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 18:17:16,113 WARN L233 SmtUtils]: Spent 1.90m on a formula simplification that was a NOOP. DAG size: 273 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)