./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.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_36af3d4f-6e58-46de-bb4c-cb46fd43bd53/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36af3d4f-6e58-46de-bb4c-cb46fd43bd53/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_36af3d4f-6e58-46de-bb4c-cb46fd43bd53/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36af3d4f-6e58-46de-bb4c-cb46fd43bd53/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36af3d4f-6e58-46de-bb4c-cb46fd43bd53/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_36af3d4f-6e58-46de-bb4c-cb46fd43bd53/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 87c512ff7772c648d2c2d28b30bf4d136366c31440eeddc6ab833b392d36d780 --- 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 06:40:37,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:40:37,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:40:37,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:40:37,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:40:37,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:40:37,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:40:37,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:40:37,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:40:37,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:40:37,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:40:37,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:40:37,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:40:37,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:40:37,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:40:37,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:40:37,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:40:37,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:40:37,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:40:37,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:40:37,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:40:37,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:40:37,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:40:37,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:40:37,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:40:37,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:40:37,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:40:37,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:40:37,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:40:37,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:40:37,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:40:37,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:40:37,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:40:37,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:40:37,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:40:37,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:40:37,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:40:37,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:40:37,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:40:37,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:40:37,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:40:37,578 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36af3d4f-6e58-46de-bb4c-cb46fd43bd53/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 06:40:37,620 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:40:37,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:40:37,620 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:40:37,620 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:40:37,621 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:40:37,621 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:40:37,622 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:40:37,622 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:40:37,622 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:40:37,622 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:40:37,622 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:40:37,623 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:40:37,623 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:40:37,623 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:40:37,623 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:40:37,623 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:40:37,624 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:40:37,624 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:40:37,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:40:37,625 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:40:37,625 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 06:40:37,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:40:37,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:40:37,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:40:37,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:40:37,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:40:37,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:40:37,627 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 06:40:37,627 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:40:37,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:40:37,628 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:40:37,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:40:37,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:40:37,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:40:37,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:40:37,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:40:37,629 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:40:37,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:40:37,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:40:37,630 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:40:37,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:40:37,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:40:37,631 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:40:37,631 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_36af3d4f-6e58-46de-bb4c-cb46fd43bd53/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36af3d4f-6e58-46de-bb4c-cb46fd43bd53/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87c512ff7772c648d2c2d28b30bf4d136366c31440eeddc6ab833b392d36d780 [2022-11-19 06:40:38,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:40:38,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:40:38,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:40:38,061 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:40:38,062 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:40:38,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36af3d4f-6e58-46de-bb4c-cb46fd43bd53/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2022-11-19 06:40:38,145 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36af3d4f-6e58-46de-bb4c-cb46fd43bd53/bin/utaipan-I9t0OCRTmS/data/fb70b3927/ad1e7225d7724a9982aec83eec22ed66/FLAGb2507a29b [2022-11-19 06:40:38,771 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:40:38,772 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36af3d4f-6e58-46de-bb4c-cb46fd43bd53/sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2022-11-19 06:40:38,786 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36af3d4f-6e58-46de-bb4c-cb46fd43bd53/bin/utaipan-I9t0OCRTmS/data/fb70b3927/ad1e7225d7724a9982aec83eec22ed66/FLAGb2507a29b [2022-11-19 06:40:39,059 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36af3d4f-6e58-46de-bb4c-cb46fd43bd53/bin/utaipan-I9t0OCRTmS/data/fb70b3927/ad1e7225d7724a9982aec83eec22ed66 [2022-11-19 06:40:39,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:40:39,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:40:39,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:40:39,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:40:39,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:40:39,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:39,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c3ffac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39, skipping insertion in model container [2022-11-19 06:40:39,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:39,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:40:39,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:40:39,388 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_36af3d4f-6e58-46de-bb4c-cb46fd43bd53/sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i[986,999] [2022-11-19 06:40:39,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:40:39,803 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:40:39,821 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_36af3d4f-6e58-46de-bb4c-cb46fd43bd53/sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i[986,999] [2022-11-19 06:40:39,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:40:39,959 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:40:39,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39 WrapperNode [2022-11-19 06:40:39,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:40:39,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:40:39,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:40:39,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:40:39,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:40,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:40,042 INFO L138 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 515 [2022-11-19 06:40:40,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:40:40,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:40:40,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:40:40,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:40:40,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:40,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:40,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:40,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:40,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:40,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:40,145 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:40,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:40,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:40:40,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:40:40,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:40:40,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:40:40,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:40,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:40:40,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36af3d4f-6e58-46de-bb4c-cb46fd43bd53/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:40:40,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36af3d4f-6e58-46de-bb4c-cb46fd43bd53/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:40:40,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36af3d4f-6e58-46de-bb4c-cb46fd43bd53/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:40:40,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:40:40,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-19 06:40:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:40:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:40:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:40:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-19 06:40:40,272 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-19 06:40:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-19 06:40:40,273 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-19 06:40:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-19 06:40:40,273 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-19 06:40:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:40:40,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-19 06:40:40,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:40:40,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:40:40,277 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 06:40:40,591 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:40:40,594 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:40:42,610 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:42:07,149 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:42:07,149 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 06:42:07,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:42:07 BoogieIcfgContainer [2022-11-19 06:42:07,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:42:07,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:42:07,156 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:42:07,172 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:42:07,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:40:39" (1/3) ... [2022-11-19 06:42:07,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac5eace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:42:07, skipping insertion in model container [2022-11-19 06:42:07,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (2/3) ... [2022-11-19 06:42:07,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac5eace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:42:07, skipping insertion in model container [2022-11-19 06:42:07,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:42:07" (3/3) ... [2022-11-19 06:42:07,175 INFO L112 eAbstractionObserver]: Analyzing ICFG mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2022-11-19 06:42:07,185 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 06:42:07,196 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:42:07,196 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 251 error locations. [2022-11-19 06:42:07,196 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 06:42:15,597 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-19 06:42:15,639 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 06:42:15,657 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 382 places, 374 transitions, 763 flow [2022-11-19 06:42:15,660 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 382 places, 374 transitions, 763 flow [2022-11-19 06:42:15,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 382 places, 374 transitions, 763 flow [2022-11-19 06:42:19,130 INFO L130 PetriNetUnfolder]: 2/371 cut-off events. [2022-11-19 06:42:19,130 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-19 06:42:19,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 381 conditions, 371 events. 2/371 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1999 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 329. Up to 2 conditions per place. [2022-11-19 06:42:19,163 INFO L119 LiptonReduction]: Number of co-enabled transitions 69488 [2022-11-19 06:42:30,547 WARN L233 SmtUtils]: Spent 6.06s on a formula simplification. DAG size of input: 1940 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:42:39,446 WARN L233 SmtUtils]: Spent 8.85s on a formula simplification. DAG size of input: 2021 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:42:58,615 WARN L233 SmtUtils]: Spent 10.35s on a formula simplification. DAG size of input: 2049 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:43:11,728 WARN L233 SmtUtils]: Spent 13.10s on a formula simplification. DAG size of input: 2444 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:43:26,167 WARN L233 SmtUtils]: Spent 14.13s on a formula simplification. DAG size of input: 2447 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:43:40,685 WARN L233 SmtUtils]: Spent 14.47s on a formula simplification. DAG size of input: 2447 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:43:57,349 WARN L233 SmtUtils]: Spent 16.49s on a formula simplification. DAG size of input: 2576 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:44:15,157 WARN L233 SmtUtils]: Spent 17.75s on a formula simplification. DAG size of input: 2587 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:44:37,317 WARN L233 SmtUtils]: Spent 12.34s 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 06:44:54,830 WARN L233 SmtUtils]: Spent 17.50s on a formula simplification. DAG size of input: 2774 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:45:13,162 WARN L233 SmtUtils]: Spent 18.04s on a formula simplification. DAG size of input: 2776 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:45:31,046 WARN L233 SmtUtils]: Spent 17.83s on a formula simplification. DAG size of input: 2776 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:45:45,747 WARN L233 SmtUtils]: Spent 14.65s on a formula simplification. DAG size of input: 2803 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:46:04,355 WARN L233 SmtUtils]: Spent 18.54s on a formula simplification. DAG size of input: 2803 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:46:22,157 WARN L233 SmtUtils]: Spent 17.73s on a formula simplification. DAG size of input: 2803 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:46:41,392 WARN L233 SmtUtils]: Spent 19.18s on a formula simplification. DAG size of input: 2803 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:46:59,979 WARN L233 SmtUtils]: Spent 18.53s on a formula simplification. DAG size of input: 2887 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:47:19,812 WARN L233 SmtUtils]: Spent 19.78s on a formula simplification. DAG size of input: 2889 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:47:38,363 WARN L233 SmtUtils]: Spent 18.49s on a formula simplification. DAG size of input: 2889 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:47:56,182 WARN L233 SmtUtils]: Spent 17.76s on a formula simplification. DAG size of input: 2886 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:48:15,944 WARN L233 SmtUtils]: Spent 19.71s on a formula simplification. DAG size of input: 2809 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:48:35,361 WARN L233 SmtUtils]: Spent 19.35s on a formula simplification. DAG size of input: 2806 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:48:52,480 WARN L233 SmtUtils]: Spent 17.02s on a formula simplification. DAG size of input: 2806 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:49:10,028 WARN L233 SmtUtils]: Spent 17.49s on a formula simplification. DAG size of input: 2804 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:49:34,616 WARN L233 SmtUtils]: Spent 24.54s on a formula simplification. DAG size of input: 3228 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:49:56,716 WARN L233 SmtUtils]: Spent 22.05s on a formula simplification. DAG size of input: 3227 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:50:21,631 WARN L233 SmtUtils]: Spent 24.86s on a formula simplification. DAG size of input: 3227 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:50:55,640 WARN L233 SmtUtils]: Spent 20.44s on a formula simplification. DAG size of input: 2848 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:51:19,048 WARN L233 SmtUtils]: Spent 23.40s on a formula simplification. DAG size of input: 3491 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:51:41,452 WARN L233 SmtUtils]: Spent 22.36s on a formula simplification. DAG size of input: 3328 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:52:05,665 WARN L233 SmtUtils]: Spent 24.15s on a formula simplification. DAG size of input: 3328 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:52:27,326 WARN L233 SmtUtils]: Spent 21.61s on a formula simplification. DAG size of input: 3328 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:52:49,890 WARN L233 SmtUtils]: Spent 22.52s on a formula simplification. DAG size of input: 3328 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:53:16,663 WARN L233 SmtUtils]: Spent 26.72s on a formula simplification. DAG size of input: 3328 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:53:36,111 WARN L233 SmtUtils]: Spent 19.40s on a formula simplification. DAG size of input: 3328 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:53:49,291 WARN L233 SmtUtils]: Spent 13.10s on a formula simplification. DAG size of input: 2776 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:54:06,075 WARN L233 SmtUtils]: Spent 16.74s on a formula simplification. DAG size of input: 2776 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:54:23,869 WARN L233 SmtUtils]: Spent 17.74s on a formula simplification. DAG size of input: 2776 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 06:54:36,415 WARN L233 SmtUtils]: Spent 12.50s on a formula simplification. DAG size of input: 2776 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)