./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 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_bd0901d7-2f36-4a1b-b406-b44a0f3f28d3/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0901d7-2f36-4a1b-b406-b44a0f3f28d3/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0901d7-2f36-4a1b-b406-b44a0f3f28d3/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0901d7-2f36-4a1b-b406-b44a0f3f28d3/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0901d7-2f36-4a1b-b406-b44a0f3f28d3/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0901d7-2f36-4a1b-b406-b44a0f3f28d3/bin/utaipan-Q6hlc19bkW --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 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f --- 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-4e7fbc6 [2022-11-23 16:12:00,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:12:00,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:12:00,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:12:00,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:12:00,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:12:00,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:12:00,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:12:00,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:12:00,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:12:00,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:12:00,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:12:00,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:12:00,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:12:00,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:12:00,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:12:00,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:12:00,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:12:00,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:12:00,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:12:00,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:12:00,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:12:00,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:12:00,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:12:00,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:12:00,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:12:00,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:12:00,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:12:00,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:12:00,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:12:00,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:12:00,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:12:00,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:12:00,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:12:00,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:12:00,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:12:00,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:12:00,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:12:00,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:12:00,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:12:00,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:12:00,935 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0901d7-2f36-4a1b-b406-b44a0f3f28d3/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-23 16:12:00,961 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:12:00,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:12:00,962 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:12:00,962 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:12:00,963 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:12:00,963 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:12:00,964 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:12:00,964 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:12:00,964 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:12:00,965 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 16:12:00,965 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:12:00,966 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:12:00,966 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 16:12:00,966 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 16:12:00,966 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:12:00,967 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 16:12:00,967 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 16:12:00,967 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 16:12:00,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:12:00,968 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 16:12:00,969 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 16:12:00,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 16:12:00,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 16:12:00,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:12:00,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 16:12:00,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:12:00,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 16:12:00,971 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 16:12:00,971 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 16:12:00,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 16:12:00,972 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:12:00,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 16:12:00,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:12:00,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:12:00,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:12:00,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:12:00,973 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 16:12:00,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:12:00,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 16:12:00,974 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 16:12:00,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 16:12:00,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 16:12:00,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:12:00,987 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_bd0901d7-2f36-4a1b-b406-b44a0f3f28d3/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0901d7-2f36-4a1b-b406-b44a0f3f28d3/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2022-11-23 16:12:01,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:12:01,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:12:01,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:12:01,356 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:12:01,357 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:12:01,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0901d7-2f36-4a1b-b406-b44a0f3f28d3/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2022-11-23 16:12:04,433 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:12:04,764 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:12:04,765 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0901d7-2f36-4a1b-b406-b44a0f3f28d3/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2022-11-23 16:12:04,799 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0901d7-2f36-4a1b-b406-b44a0f3f28d3/bin/utaipan-Q6hlc19bkW/data/fd381684f/25cb87767c1b46c687d2f344f7707cfa/FLAG636c0d7b2 [2022-11-23 16:12:04,814 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0901d7-2f36-4a1b-b406-b44a0f3f28d3/bin/utaipan-Q6hlc19bkW/data/fd381684f/25cb87767c1b46c687d2f344f7707cfa [2022-11-23 16:12:04,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:12:04,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:12:04,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:12:04,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:12:04,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:12:04,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:12:04" (1/1) ... [2022-11-23 16:12:04,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba6d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:04, skipping insertion in model container [2022-11-23 16:12:04,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:12:04" (1/1) ... [2022-11-23 16:12:04,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:12:04,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:12:05,735 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_bd0901d7-2f36-4a1b-b406-b44a0f3f28d3/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2022-11-23 16:12:05,830 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_bd0901d7-2f36-4a1b-b406-b44a0f3f28d3/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2022-11-23 16:12:05,844 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_bd0901d7-2f36-4a1b-b406-b44a0f3f28d3/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2022-11-23 16:12:05,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:12:05,892 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 16:12:05,976 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_bd0901d7-2f36-4a1b-b406-b44a0f3f28d3/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2022-11-23 16:12:06,029 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_bd0901d7-2f36-4a1b-b406-b44a0f3f28d3/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2022-11-23 16:12:06,043 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_bd0901d7-2f36-4a1b-b406-b44a0f3f28d3/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2022-11-23 16:12:06,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:12:06,195 INFO L208 MainTranslator]: Completed translation [2022-11-23 16:12:06,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:06 WrapperNode [2022-11-23 16:12:06,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 16:12:06,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 16:12:06,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 16:12:06,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 16:12:06,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:06" (1/1) ... [2022-11-23 16:12:06,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:06" (1/1) ... [2022-11-23 16:12:06,472 INFO L138 Inliner]: procedures = 489, calls = 127, calls flagged for inlining = 45, calls inlined = 117, statements flattened = 3187 [2022-11-23 16:12:06,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 16:12:06,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 16:12:06,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 16:12:06,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 16:12:06,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:06" (1/1) ... [2022-11-23 16:12:06,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:06" (1/1) ... [2022-11-23 16:12:06,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:06" (1/1) ... [2022-11-23 16:12:06,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:06" (1/1) ... [2022-11-23 16:12:06,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:06" (1/1) ... [2022-11-23 16:12:06,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:06" (1/1) ... [2022-11-23 16:12:06,760 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:06" (1/1) ... [2022-11-23 16:12:06,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:06" (1/1) ... [2022-11-23 16:12:06,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 16:12:06,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 16:12:06,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 16:12:06,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 16:12:06,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:06" (1/1) ... [2022-11-23 16:12:06,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:12:06,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0901d7-2f36-4a1b-b406-b44a0f3f28d3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:12:06,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0901d7-2f36-4a1b-b406-b44a0f3f28d3/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 16:12:06,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd0901d7-2f36-4a1b-b406-b44a0f3f28d3/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 16:12:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2022-11-23 16:12:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2022-11-23 16:12:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-23 16:12:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 16:12:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-23 16:12:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 16:12:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 16:12:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 16:12:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 16:12:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 16:12:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 16:12:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 16:12:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 16:12:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 16:12:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 16:12:06,901 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 16:12:07,253 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 16:12:07,260 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 16:12:11,433 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 16:12:13,045 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 16:12:13,045 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-23 16:12:13,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:12:13 BoogieIcfgContainer [2022-11-23 16:12:13,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 16:12:13,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 16:12:13,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 16:12:13,056 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 16:12:13,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:12:04" (1/3) ... [2022-11-23 16:12:13,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46652e33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:12:13, skipping insertion in model container [2022-11-23 16:12:13,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:12:06" (2/3) ... [2022-11-23 16:12:13,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46652e33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:12:13, skipping insertion in model container [2022-11-23 16:12:13,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:12:13" (3/3) ... [2022-11-23 16:12:13,059 INFO L112 eAbstractionObserver]: Analyzing ICFG workstealqueue_mutex-2.i [2022-11-23 16:12:13,070 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 16:12:13,082 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 16:12:13,083 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 256 error locations. [2022-11-23 16:12:13,083 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 16:12:13,415 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-23 16:12:13,485 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 16:12:13,500 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 2370 places, 2415 transitions, 4838 flow [2022-11-23 16:12:13,503 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 2370 places, 2415 transitions, 4838 flow [2022-11-23 16:12:13,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2370 places, 2415 transitions, 4838 flow [2022-11-23 16:12:16,014 INFO L130 PetriNetUnfolder]: 89/4485 cut-off events. [2022-11-23 16:12:16,014 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-23 16:12:16,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4491 conditions, 4485 events. 89/4485 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 23282 event pairs, 0 based on Foata normal form. 0/3911 useless extension candidates. Maximal degree in co-relation 2289. Up to 6 conditions per place. [2022-11-23 16:12:16,400 INFO L119 LiptonReduction]: Number of co-enabled transitions 888528 [2022-11-23 16:14:05,909 WARN L233 SmtUtils]: Spent 16.28s on a formula simplification. DAG size of input: 124 DAG size of output: 112 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:14:12,385 WARN L233 SmtUtils]: Spent 6.47s on a formula simplification that was a NOOP. DAG size: 109 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:14:30,514 WARN L233 SmtUtils]: Spent 18.13s on a formula simplification. DAG size of input: 128 DAG size of output: 116 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:14:38,307 WARN L233 SmtUtils]: Spent 7.79s on a formula simplification that was a NOOP. DAG size: 114 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:15:13,311 WARN L233 SmtUtils]: Spent 16.28s on a formula simplification. DAG size of input: 124 DAG size of output: 112 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:15:20,422 WARN L233 SmtUtils]: Spent 7.11s on a formula simplification that was a NOOP. DAG size: 109 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:15:38,728 WARN L233 SmtUtils]: Spent 18.30s on a formula simplification. DAG size of input: 128 DAG size of output: 116 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:15:47,466 WARN L233 SmtUtils]: Spent 8.74s on a formula simplification that was a NOOP. DAG size: 114 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:16:42,607 WARN L233 SmtUtils]: Spent 12.23s on a formula simplification. DAG size of input: 125 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:16:48,419 WARN L233 SmtUtils]: Spent 5.81s on a formula simplification that was a NOOP. DAG size: 113 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:17:05,696 WARN L233 SmtUtils]: Spent 17.28s on a formula simplification. DAG size of input: 129 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:17:14,493 WARN L233 SmtUtils]: Spent 8.80s on a formula simplification that was a NOOP. DAG size: 117 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:17:43,089 WARN L233 SmtUtils]: Spent 13.60s on a formula simplification. DAG size of input: 125 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:17:49,545 WARN L233 SmtUtils]: Spent 6.45s on a formula simplification that was a NOOP. DAG size: 113 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:18:06,705 WARN L233 SmtUtils]: Spent 17.16s on a formula simplification. DAG size of input: 129 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:18:15,138 WARN L233 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 117 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:18:38,932 WARN L233 SmtUtils]: Spent 13.34s on a formula simplification. DAG size of input: 124 DAG size of output: 112 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:18:44,491 WARN L233 SmtUtils]: Spent 5.56s on a formula simplification that was a NOOP. DAG size: 109 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:19:00,918 WARN L233 SmtUtils]: Spent 16.43s on a formula simplification. DAG size of input: 128 DAG size of output: 116 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:19:07,851 WARN L233 SmtUtils]: Spent 6.93s on a formula simplification that was a NOOP. DAG size: 114 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:20:50,943 WARN L233 SmtUtils]: Spent 14.53s on a formula simplification. DAG size of input: 124 DAG size of output: 112 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:20:57,134 WARN L233 SmtUtils]: Spent 6.19s on a formula simplification that was a NOOP. DAG size: 109 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:21:13,448 WARN L233 SmtUtils]: Spent 16.31s on a formula simplification. DAG size of input: 128 DAG size of output: 116 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:21:21,621 WARN L233 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 114 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:23:26,314 WARN L233 SmtUtils]: Spent 12.79s on a formula simplification. DAG size of input: 125 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:23:33,115 WARN L233 SmtUtils]: Spent 6.79s on a formula simplification that was a NOOP. DAG size: 113 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:23:53,638 WARN L233 SmtUtils]: Spent 20.52s on a formula simplification. DAG size of input: 129 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:24:02,185 WARN L233 SmtUtils]: Spent 8.55s on a formula simplification that was a NOOP. DAG size: 117 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:24:16,227 WARN L233 SmtUtils]: Spent 13.19s on a formula simplification. DAG size of input: 125 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:24:22,937 WARN L233 SmtUtils]: Spent 6.71s on a formula simplification that was a NOOP. DAG size: 113 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:24:40,423 WARN L233 SmtUtils]: Spent 17.48s on a formula simplification. DAG size of input: 129 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:24:48,611 WARN L233 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 117 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:25:34,572 WARN L233 SmtUtils]: Spent 13.20s on a formula simplification. DAG size of input: 125 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:25:40,857 WARN L233 SmtUtils]: Spent 6.28s on a formula simplification that was a NOOP. DAG size: 113 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:25:58,956 WARN L233 SmtUtils]: Spent 18.10s on a formula simplification. DAG size of input: 129 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:26:08,272 WARN L233 SmtUtils]: Spent 9.31s on a formula simplification that was a NOOP. DAG size: 117 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)