./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix019_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_086cda15-899f-4bd8-8531-830c9b4c8b9e/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_086cda15-899f-4bd8-8531-830c9b4c8b9e/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_086cda15-899f-4bd8-8531-830c9b4c8b9e/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_086cda15-899f-4bd8-8531-830c9b4c8b9e/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix019_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_086cda15-899f-4bd8-8531-830c9b4c8b9e/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_086cda15-899f-4bd8-8531-830c9b4c8b9e/bin/utaipan-I9t0OCRTmS --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 d6f4376125179246714b78f2e2f349c8b75c8c24c937ac142dcf7789f615522d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 06:34:55,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:34:55,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:34:55,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:34:55,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:34:55,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:34:55,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:34:55,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:34:55,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:34:55,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:34:55,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:34:55,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:34:55,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:34:55,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:34:55,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:34:55,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:34:55,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:34:55,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:34:55,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:34:55,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:34:55,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:34:55,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:34:55,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:34:55,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:34:55,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:34:55,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:34:55,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:34:55,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:34:55,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:34:55,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:34:55,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:34:55,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:34:55,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:34:55,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:34:55,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:34:55,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:34:55,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:34:55,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:34:55,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:34:55,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:34:55,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:34:55,405 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_086cda15-899f-4bd8-8531-830c9b4c8b9e/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 06:34:55,447 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:34:55,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:34:55,448 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:34:55,448 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:34:55,449 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:34:55,449 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:34:55,450 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:34:55,450 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:34:55,450 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:34:55,450 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:34:55,451 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:34:55,452 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:34:55,452 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:34:55,452 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:34:55,452 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:34:55,452 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:34:55,452 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:34:55,453 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:34:55,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:34:55,454 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:34:55,454 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 06:34:55,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:34:55,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:34:55,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:34:55,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:34:55,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:34:55,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:34:55,457 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 06:34:55,457 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:34:55,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:34:55,457 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:34:55,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:34:55,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:34:55,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:34:55,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:34:55,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:34:55,458 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:34:55,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:34:55,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:34:55,460 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:34:55,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:34:55,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:34:55,460 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:34:55,460 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_086cda15-899f-4bd8-8531-830c9b4c8b9e/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_086cda15-899f-4bd8-8531-830c9b4c8b9e/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6f4376125179246714b78f2e2f349c8b75c8c24c937ac142dcf7789f615522d [2022-11-19 06:34:55,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:34:55,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:34:55,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:34:55,851 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:34:55,852 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:34:55,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_086cda15-899f-4bd8-8531-830c9b4c8b9e/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-wmm/mix019_tso.oepc.i [2022-11-19 06:34:55,944 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_086cda15-899f-4bd8-8531-830c9b4c8b9e/bin/utaipan-I9t0OCRTmS/data/a6234c482/95c98551806a4197a3b2638766df7553/FLAGa13bf8c62 [2022-11-19 06:34:56,622 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:34:56,631 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_086cda15-899f-4bd8-8531-830c9b4c8b9e/sv-benchmarks/c/pthread-wmm/mix019_tso.oepc.i [2022-11-19 06:34:56,652 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_086cda15-899f-4bd8-8531-830c9b4c8b9e/bin/utaipan-I9t0OCRTmS/data/a6234c482/95c98551806a4197a3b2638766df7553/FLAGa13bf8c62 [2022-11-19 06:34:56,850 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_086cda15-899f-4bd8-8531-830c9b4c8b9e/bin/utaipan-I9t0OCRTmS/data/a6234c482/95c98551806a4197a3b2638766df7553 [2022-11-19 06:34:56,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:34:56,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:34:56,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:34:56,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:34:56,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:34:56,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:34:56" (1/1) ... [2022-11-19 06:34:56,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30d9e628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:56, skipping insertion in model container [2022-11-19 06:34:56,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:34:56" (1/1) ... [2022-11-19 06:34:56,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:34:56,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:34:57,214 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_086cda15-899f-4bd8-8531-830c9b4c8b9e/sv-benchmarks/c/pthread-wmm/mix019_tso.oepc.i[949,962] [2022-11-19 06:34:57,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:34:57,629 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:34:57,650 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_086cda15-899f-4bd8-8531-830c9b4c8b9e/sv-benchmarks/c/pthread-wmm/mix019_tso.oepc.i[949,962] [2022-11-19 06:34:57,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:34:57,851 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:34:57,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:57 WrapperNode [2022-11-19 06:34:57,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:34:57,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:34:57,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:34:57,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:34:57,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:57" (1/1) ... [2022-11-19 06:34:57,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:57" (1/1) ... [2022-11-19 06:34:58,004 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 936 [2022-11-19 06:34:58,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:34:58,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:34:58,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:34:58,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:34:58,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:57" (1/1) ... [2022-11-19 06:34:58,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:57" (1/1) ... [2022-11-19 06:34:58,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:57" (1/1) ... [2022-11-19 06:34:58,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:57" (1/1) ... [2022-11-19 06:34:58,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:57" (1/1) ... [2022-11-19 06:34:58,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:57" (1/1) ... [2022-11-19 06:34:58,100 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:57" (1/1) ... [2022-11-19 06:34:58,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:57" (1/1) ... [2022-11-19 06:34:58,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:34:58,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:34:58,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:34:58,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:34:58,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:57" (1/1) ... [2022-11-19 06:34:58,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:34:58,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_086cda15-899f-4bd8-8531-830c9b4c8b9e/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:34:58,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_086cda15-899f-4bd8-8531-830c9b4c8b9e/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:34:58,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_086cda15-899f-4bd8-8531-830c9b4c8b9e/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:34:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:34:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-19 06:34:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:34:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:34:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:34:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-19 06:34:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-19 06:34:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-19 06:34:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-19 06:34:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-19 06:34:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-19 06:34:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:34:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-19 06:34:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:34:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:34:58,268 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 06:34:58,569 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:34:58,572 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:35:00,687 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:35:30,154 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:35:30,155 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 06:35:30,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:35:30 BoogieIcfgContainer [2022-11-19 06:35:30,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:35:30,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:35:30,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:35:30,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:35:30,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:34:56" (1/3) ... [2022-11-19 06:35:30,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3635fcc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:35:30, skipping insertion in model container [2022-11-19 06:35:30,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:34:57" (2/3) ... [2022-11-19 06:35:30,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3635fcc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:35:30, skipping insertion in model container [2022-11-19 06:35:30,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:35:30" (3/3) ... [2022-11-19 06:35:30,174 INFO L112 eAbstractionObserver]: Analyzing ICFG mix019_tso.oepc.i [2022-11-19 06:35:30,185 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 06:35:30,198 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:35:30,198 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 247 error locations. [2022-11-19 06:35:30,199 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 06:35:33,531 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-19 06:35:33,574 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 06:35:33,591 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 374 places, 366 transitions, 747 flow [2022-11-19 06:35:33,595 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 374 places, 366 transitions, 747 flow [2022-11-19 06:35:33,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 374 places, 366 transitions, 747 flow [2022-11-19 06:35:35,449 INFO L130 PetriNetUnfolder]: 2/363 cut-off events. [2022-11-19 06:35:35,449 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-19 06:35:35,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 363 events. 2/363 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2007 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 323. Up to 2 conditions per place. [2022-11-19 06:35:35,483 INFO L119 LiptonReduction]: Number of co-enabled transitions 60506 [2022-11-19 06:37:15,322 WARN L233 SmtUtils]: Spent 5.84s on a formula simplification. DAG size of input: 1741 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:37:31,822 WARN L233 SmtUtils]: Spent 6.30s on a formula simplification. DAG size of input: 1837 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:37:44,680 WARN L233 SmtUtils]: Spent 6.23s on a formula simplification. DAG size of input: 1850 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:37:56,715 WARN L233 SmtUtils]: Spent 6.73s on a formula simplification. DAG size of input: 1835 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:38:34,692 WARN L233 SmtUtils]: Spent 9.28s on a formula simplification. DAG size of input: 2324 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:38:44,146 WARN L233 SmtUtils]: Spent 9.37s on a formula simplification. DAG size of input: 2324 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:38:54,194 WARN L233 SmtUtils]: Spent 9.92s on a formula simplification. DAG size of input: 2361 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:39:05,728 WARN L233 SmtUtils]: Spent 11.46s on a formula simplification. DAG size of input: 2348 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:39:22,155 WARN L233 SmtUtils]: Spent 16.03s on a formula simplification. DAG size of input: 2980 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:39:32,298 WARN L233 SmtUtils]: Spent 10.01s on a formula simplification. DAG size of input: 3012 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:39:54,662 WARN L233 SmtUtils]: Spent 22.16s on a formula simplification. DAG size of input: 3016 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:40:11,178 WARN L233 SmtUtils]: Spent 16.45s on a formula simplification. DAG size of input: 2925 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:40:27,602 WARN L233 SmtUtils]: Spent 11.39s on a formula simplification. DAG size of input: 2480 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:40:50,557 WARN L233 SmtUtils]: Spent 22.94s on a formula simplification. DAG size of input: 3121 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:41:08,751 WARN L233 SmtUtils]: Spent 17.72s on a formula simplification. DAG size of input: 3182 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:41:27,383 WARN L233 SmtUtils]: Spent 18.57s on a formula simplification. DAG size of input: 3184 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:41:47,533 WARN L233 SmtUtils]: Spent 20.08s on a formula simplification. DAG size of input: 3182 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:42:08,936 WARN L233 SmtUtils]: Spent 21.33s on a formula simplification. DAG size of input: 3125 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:42:27,288 WARN L233 SmtUtils]: Spent 18.27s on a formula simplification. DAG size of input: 3125 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:42:42,250 WARN L233 SmtUtils]: Spent 14.89s on a formula simplification. DAG size of input: 3125 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:42:59,077 WARN L233 SmtUtils]: Spent 16.76s on a formula simplification. DAG size of input: 3125 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:43:13,099 WARN L233 SmtUtils]: Spent 13.95s on a formula simplification. DAG size of input: 3125 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)