./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b 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_3ad91e22-1468-405a-b452-dfebf340b81f/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad91e22-1468-405a-b452-dfebf340b81f/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad91e22-1468-405a-b452-dfebf340b81f/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad91e22-1468-405a-b452-dfebf340b81f/bin/uautomizer-ug76WZFUDN/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad91e22-1468-405a-b452-dfebf340b81f/bin/uautomizer-ug76WZFUDN/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad91e22-1468-405a-b452-dfebf340b81f/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f70125267ee7251a74a40ef1ba0ea3ced14d0fe45e7a9ea5a666e1eecab0c01c --- 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-6b4ec56 [2022-11-20 10:46:11,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:46:11,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:46:11,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:46:11,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:46:11,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:46:11,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:46:11,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:46:11,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:46:11,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:46:11,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:46:11,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:46:11,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:46:11,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:46:11,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:46:11,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:46:11,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:46:11,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:46:11,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:46:11,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:46:11,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:46:11,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:46:11,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:46:11,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:46:11,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:46:11,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:46:11,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:46:11,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:46:11,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:46:11,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:46:11,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:46:11,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:46:11,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:46:11,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:46:11,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:46:11,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:46:11,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:46:11,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:46:11,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:46:11,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:46:11,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:46:11,476 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad91e22-1468-405a-b452-dfebf340b81f/bin/uautomizer-ug76WZFUDN/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-20 10:46:11,502 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:46:11,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:46:11,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:46:11,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:46:11,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:46:11,504 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:46:11,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:46:11,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:46:11,506 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:46:11,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:46:11,507 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:46:11,507 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:46:11,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:46:11,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:46:11,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:46:11,508 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 10:46:11,509 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 10:46:11,509 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 10:46:11,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:46:11,509 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:46:11,510 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:46:11,510 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:46:11,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:46:11,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:46:11,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:46:11,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:46:11,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:46:11,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:46:11,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:46:11,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:46:11,513 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_3ad91e22-1468-405a-b452-dfebf340b81f/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad91e22-1468-405a-b452-dfebf340b81f/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f70125267ee7251a74a40ef1ba0ea3ced14d0fe45e7a9ea5a666e1eecab0c01c [2022-11-20 10:46:11,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:46:11,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:46:11,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:46:11,871 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:46:11,871 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:46:11,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad91e22-1468-405a-b452-dfebf340b81f/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i [2022-11-20 10:46:15,320 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:46:15,692 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:46:15,693 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad91e22-1468-405a-b452-dfebf340b81f/sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i [2022-11-20 10:46:15,721 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad91e22-1468-405a-b452-dfebf340b81f/bin/uautomizer-ug76WZFUDN/data/5e7c6bb8c/66b0e4b4e5714815b4d79c5a44e1808f/FLAG18d92c5be [2022-11-20 10:46:15,751 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad91e22-1468-405a-b452-dfebf340b81f/bin/uautomizer-ug76WZFUDN/data/5e7c6bb8c/66b0e4b4e5714815b4d79c5a44e1808f [2022-11-20 10:46:15,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:46:15,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:46:15,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:46:15,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:46:15,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:46:15,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:15" (1/1) ... [2022-11-20 10:46:15,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@be5b307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:15, skipping insertion in model container [2022-11-20 10:46:15,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:15" (1/1) ... [2022-11-20 10:46:15,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:46:15,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:46:16,485 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad91e22-1468-405a-b452-dfebf340b81f/sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i[47038,47051] [2022-11-20 10:46:16,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:46:16,558 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:46:16,614 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad91e22-1468-405a-b452-dfebf340b81f/sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i[47038,47051] [2022-11-20 10:46:16,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:46:16,722 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:46:16,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:16 WrapperNode [2022-11-20 10:46:16,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:46:16,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:46:16,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:46:16,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:46:16,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:16" (1/1) ... [2022-11-20 10:46:16,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:16" (1/1) ... [2022-11-20 10:46:16,805 INFO L138 Inliner]: procedures = 279, calls = 88, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 378 [2022-11-20 10:46:16,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:46:16,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:46:16,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:46:16,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:46:16,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:16" (1/1) ... [2022-11-20 10:46:16,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:16" (1/1) ... [2022-11-20 10:46:16,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:16" (1/1) ... [2022-11-20 10:46:16,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:16" (1/1) ... [2022-11-20 10:46:16,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:16" (1/1) ... [2022-11-20 10:46:16,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:16" (1/1) ... [2022-11-20 10:46:16,853 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:16" (1/1) ... [2022-11-20 10:46:16,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:16" (1/1) ... [2022-11-20 10:46:16,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:46:16,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:46:16,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:46:16,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:46:16,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:16" (1/1) ... [2022-11-20 10:46:16,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:46:16,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad91e22-1468-405a-b452-dfebf340b81f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:46:16,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad91e22-1468-405a-b452-dfebf340b81f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:46:16,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad91e22-1468-405a-b452-dfebf340b81f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:46:16,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:46:16,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:46:16,982 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2022-11-20 10:46:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2022-11-20 10:46:16,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:46:16,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:46:16,983 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-11-20 10:46:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-11-20 10:46:16,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:46:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 10:46:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:46:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:46:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:46:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2022-11-20 10:46:16,985 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2022-11-20 10:46:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:46:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:46:17,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:46:17,012 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 10:46:17,228 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:46:17,231 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:46:17,939 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:46:17,952 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:46:17,952 INFO L300 CfgBuilder]: Removed 29 assume(true) statements. [2022-11-20 10:46:17,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:46:17 BoogieIcfgContainer [2022-11-20 10:46:17,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:46:17,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:46:17,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:46:17,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:46:17,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:46:15" (1/3) ... [2022-11-20 10:46:17,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7c22dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:46:17, skipping insertion in model container [2022-11-20 10:46:17,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:16" (2/3) ... [2022-11-20 10:46:17,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7c22dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:46:17, skipping insertion in model container [2022-11-20 10:46:17,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:46:17" (3/3) ... [2022-11-20 10:46:17,979 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_84-list2_racing2.i [2022-11-20 10:46:18,021 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:46:18,021 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 71 error locations. [2022-11-20 10:46:18,021 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 10:46:18,215 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2022-11-20 10:46:18,291 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-20 10:46:18,321 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 440 places, 481 transitions, 1004 flow [2022-11-20 10:46:18,332 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 440 places, 481 transitions, 1004 flow [2022-11-20 10:46:18,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 440 places, 481 transitions, 1004 flow [2022-11-20 10:46:19,245 INFO L130 PetriNetUnfolder]: 188/1750 cut-off events. [2022-11-20 10:46:19,246 INFO L131 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2022-11-20 10:46:19,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1811 conditions, 1750 events. 188/1750 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 12584 event pairs, 0 based on Foata normal form. 0/1288 useless extension candidates. Maximal degree in co-relation 897. Up to 16 conditions per place. [2022-11-20 10:46:19,492 INFO L119 LiptonReduction]: Number of co-enabled transitions 105040 [2022-11-20 10:47:57,101 WARN L233 SmtUtils]: Spent 5.78s on a formula simplification. DAG size of input: 238 DAG size of output: 236 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 10:48:00,040 INFO L134 LiptonReduction]: Checked pairs total: 287531 [2022-11-20 10:48:00,040 INFO L136 LiptonReduction]: Total number of compositions: 443 [2022-11-20 10:48:00,050 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 165 places, 196 transitions, 434 flow [2022-11-20 10:48:44,919 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1138125 states, 1056411 states have (on average 4.893746846634501) internal successors, (5169808), 1138124 states have internal predecessors, (5169808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:48:44,943 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:48:44,949 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@13132cc1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:48:44,949 INFO L358 AbstractCegarLoop]: Starting to check reachability of 114 error locations.