./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/thin002_rmo.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_6066ee95-6900-42c1-a7f6-a0c05cc457d9/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6066ee95-6900-42c1-a7f6-a0c05cc457d9/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6066ee95-6900-42c1-a7f6-a0c05cc457d9/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6066ee95-6900-42c1-a7f6-a0c05cc457d9/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/thin002_rmo.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6066ee95-6900-42c1-a7f6-a0c05cc457d9/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6066ee95-6900-42c1-a7f6-a0c05cc457d9/bin/utaipan-7li7fVZpFI --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0d8ae33a1a7c98578096fc4895533f629cc4062ad641b886abfeea14ddb85d4 --- 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 [2022-11-03 02:15:10,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:15:10,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:15:10,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:15:10,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:15:10,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:15:10,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:15:10,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:15:10,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:15:10,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:15:10,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:15:10,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:15:10,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:15:10,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:15:10,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:15:10,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:15:10,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:15:10,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:15:10,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:15:10,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:15:10,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:15:10,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:15:10,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:15:10,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:15:10,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:15:10,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:15:10,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:15:10,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:15:10,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:15:10,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:15:10,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:15:10,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:15:10,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:15:10,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:15:10,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:15:10,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:15:10,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:15:10,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:15:10,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:15:10,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:15:10,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:15:10,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6066ee95-6900-42c1-a7f6-a0c05cc457d9/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 02:15:10,616 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:15:10,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:15:10,620 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:15:10,621 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:15:10,622 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:15:10,622 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:15:10,622 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:15:10,623 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:15:10,623 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:15:10,623 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:15:10,624 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:15:10,625 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:15:10,625 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:15:10,625 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:15:10,625 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:15:10,626 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:15:10,626 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:15:10,626 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:15:10,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:15:10,627 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:15:10,627 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:15:10,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:15:10,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:15:10,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:15:10,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:15:10,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:15:10,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:15:10,630 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 02:15:10,630 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:15:10,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:15:10,631 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:15:10,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:15:10,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:15:10,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:15:10,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:15:10,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:15:10,632 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:15:10,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:15:10,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:15:10,633 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:15:10,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:15:10,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:15:10,634 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:15:10,634 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_6066ee95-6900-42c1-a7f6-a0c05cc457d9/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6066ee95-6900-42c1-a7f6-a0c05cc457d9/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d8ae33a1a7c98578096fc4895533f629cc4062ad641b886abfeea14ddb85d4 [2022-11-03 02:15:10,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:15:11,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:15:11,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:15:11,006 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:15:11,007 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:15:11,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6066ee95-6900-42c1-a7f6-a0c05cc457d9/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-wmm/thin002_rmo.i [2022-11-03 02:15:11,098 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6066ee95-6900-42c1-a7f6-a0c05cc457d9/bin/utaipan-7li7fVZpFI/data/721cc3521/864922b6a0be4f1cb42b53caa0680705/FLAG6bc0da115 [2022-11-03 02:15:11,754 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:15:11,754 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6066ee95-6900-42c1-a7f6-a0c05cc457d9/sv-benchmarks/c/pthread-wmm/thin002_rmo.i [2022-11-03 02:15:11,780 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6066ee95-6900-42c1-a7f6-a0c05cc457d9/bin/utaipan-7li7fVZpFI/data/721cc3521/864922b6a0be4f1cb42b53caa0680705/FLAG6bc0da115 [2022-11-03 02:15:12,003 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6066ee95-6900-42c1-a7f6-a0c05cc457d9/bin/utaipan-7li7fVZpFI/data/721cc3521/864922b6a0be4f1cb42b53caa0680705 [2022-11-03 02:15:12,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:15:12,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:15:12,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:15:12,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:15:12,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:15:12,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:15:12" (1/1) ... [2022-11-03 02:15:12,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f99bd7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:15:12, skipping insertion in model container [2022-11-03 02:15:12,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:15:12" (1/1) ... [2022-11-03 02:15:12,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:15:12,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:15:12,309 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_6066ee95-6900-42c1-a7f6-a0c05cc457d9/sv-benchmarks/c/pthread-wmm/thin002_rmo.i[988,1001] [2022-11-03 02:15:12,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:15:12,576 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:15:12,590 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_6066ee95-6900-42c1-a7f6-a0c05cc457d9/sv-benchmarks/c/pthread-wmm/thin002_rmo.i[988,1001] [2022-11-03 02:15:12,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:15:12,726 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:15:12,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:15:12 WrapperNode [2022-11-03 02:15:12,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:15:12,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:15:12,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:15:12,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:15:12,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:15:12" (1/1) ... [2022-11-03 02:15:12,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:15:12" (1/1) ... [2022-11-03 02:15:12,803 INFO L138 Inliner]: procedures = 177, calls = 80, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 339 [2022-11-03 02:15:12,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:15:12,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:15:12,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:15:12,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:15:12,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:15:12" (1/1) ... [2022-11-03 02:15:12,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:15:12" (1/1) ... [2022-11-03 02:15:12,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:15:12" (1/1) ... [2022-11-03 02:15:12,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:15:12" (1/1) ... [2022-11-03 02:15:12,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:15:12" (1/1) ... [2022-11-03 02:15:12,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:15:12" (1/1) ... [2022-11-03 02:15:12,871 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:15:12" (1/1) ... [2022-11-03 02:15:12,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:15:12" (1/1) ... [2022-11-03 02:15:12,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:15:12,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:15:12,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:15:12,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:15:12,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:15:12" (1/1) ... [2022-11-03 02:15:12,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:15:12,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6066ee95-6900-42c1-a7f6-a0c05cc457d9/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:15:12,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6066ee95-6900-42c1-a7f6-a0c05cc457d9/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:15:12,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6066ee95-6900-42c1-a7f6-a0c05cc457d9/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:15:13,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:15:13,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:15:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-03 02:15:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:15:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:15:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:15:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-03 02:15:13,017 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-03 02:15:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-03 02:15:13,017 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-03 02:15:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-03 02:15:13,017 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-03 02:15:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-03 02:15:13,018 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-03 02:15:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:15:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-03 02:15:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:15:13,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:15:13,021 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 02:15:13,239 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:15:13,241 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:15:14,699 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:15:57,844 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:15:57,844 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:15:57,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:15:57 BoogieIcfgContainer [2022-11-03 02:15:57,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:15:57,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:15:57,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:15:57,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:15:57,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:15:12" (1/3) ... [2022-11-03 02:15:57,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a5ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:15:57, skipping insertion in model container [2022-11-03 02:15:57,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:15:12" (2/3) ... [2022-11-03 02:15:57,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a5ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:15:57, skipping insertion in model container [2022-11-03 02:15:57,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:15:57" (3/3) ... [2022-11-03 02:15:58,008 INFO L112 eAbstractionObserver]: Analyzing ICFG thin002_rmo.i [2022-11-03 02:15:58,021 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 02:15:58,033 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:15:58,033 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 189 error locations. [2022-11-03 02:15:58,033 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 02:16:04,060 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-03 02:16:04,101 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 02:16:04,116 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 357 places, 346 transitions, 712 flow [2022-11-03 02:16:04,119 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 357 places, 346 transitions, 712 flow [2022-11-03 02:16:04,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 357 places, 346 transitions, 712 flow [2022-11-03 02:16:07,763 INFO L130 PetriNetUnfolder]: 2/342 cut-off events. [2022-11-03 02:16:07,763 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-03 02:16:07,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 355 conditions, 342 events. 2/342 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1677 event pairs, 0 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 279. Up to 2 conditions per place. [2022-11-03 02:16:07,797 INFO L118 LiptonReduction]: Number of co-enabled transitions 48280 [2022-11-03 02:16:46,501 WARN L234 SmtUtils]: Spent 38.52s on a formula simplification. DAG size of input: 5115 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:18:19,468 WARN L234 SmtUtils]: Spent 1.55m on a formula simplification. DAG size of input: 6090 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)