./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix007.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix007.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98fb631b7747d0724c093b074b80cf02851c21b4b9e1af2c5f1e3d032d6b592f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:17:04,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:17:04,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:17:04,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:17:04,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:17:04,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:17:04,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:17:04,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:17:04,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:17:04,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:17:04,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:17:04,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:17:04,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:17:04,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:17:04,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:17:04,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:17:04,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:17:04,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:17:04,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:17:04,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:17:04,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:17:04,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:17:04,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:17:04,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:17:04,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:17:04,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:17:04,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:17:04,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:17:04,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:17:04,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:17:04,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:17:04,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:17:04,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:17:04,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:17:04,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:17:04,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:17:04,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:17:04,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:17:04,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:17:04,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:17:04,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:17:04,745 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:17:04,789 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:17:04,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:17:04,790 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:17:04,790 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:17:04,797 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:17:04,798 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:17:04,798 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:17:04,798 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:17:04,798 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:17:04,799 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:17:04,800 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:17:04,800 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:17:04,800 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:17:04,801 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:17:04,801 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:17:04,801 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:17:04,801 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:17:04,802 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:17:04,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:17:04,805 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:17:04,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:17:04,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:17:04,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:17:04,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:17:04,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:17:04,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:17:04,808 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:17:04,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:17:04,808 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:17:04,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:17:04,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:17:04,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:17:04,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:17:04,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:17:04,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:17:04,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:17:04,811 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:17:04,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:17:04,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:17:04,811 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:17:04,812 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:17:04,812 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98fb631b7747d0724c093b074b80cf02851c21b4b9e1af2c5f1e3d032d6b592f [2021-11-23 17:17:05,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:17:05,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:17:05,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:17:05,157 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:17:05,158 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:17:05,160 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/mix007.opt.i [2021-11-23 17:17:05,238 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/data/b24342bc2/a40c12bdbe7b449989517d8a8b3d46ae/FLAGa6f200852 [2021-11-23 17:17:05,867 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:17:05,867 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/sv-benchmarks/c/pthread-wmm/mix007.opt.i [2021-11-23 17:17:05,888 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/data/b24342bc2/a40c12bdbe7b449989517d8a8b3d46ae/FLAGa6f200852 [2021-11-23 17:17:06,092 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/data/b24342bc2/a40c12bdbe7b449989517d8a8b3d46ae [2021-11-23 17:17:06,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:17:06,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:17:06,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:17:06,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:17:06,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:17:06,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:17:06" (1/1) ... [2021-11-23 17:17:06,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e40dccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:06, skipping insertion in model container [2021-11-23 17:17:06,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:17:06" (1/1) ... [2021-11-23 17:17:06,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:17:06,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:17:06,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/sv-benchmarks/c/pthread-wmm/mix007.opt.i[944,957] [2021-11-23 17:17:06,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:17:06,582 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:17:06,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/sv-benchmarks/c/pthread-wmm/mix007.opt.i[944,957] [2021-11-23 17:17:06,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:17:06,744 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:17:06,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:06 WrapperNode [2021-11-23 17:17:06,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:17:06,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:17:06,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:17:06,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:17:06,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:06" (1/1) ... [2021-11-23 17:17:06,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:06" (1/1) ... [2021-11-23 17:17:06,855 INFO L137 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 296 [2021-11-23 17:17:06,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:17:06,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:17:06,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:17:06,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:17:06,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:06" (1/1) ... [2021-11-23 17:17:06,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:06" (1/1) ... [2021-11-23 17:17:06,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:06" (1/1) ... [2021-11-23 17:17:06,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:06" (1/1) ... [2021-11-23 17:17:06,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:06" (1/1) ... [2021-11-23 17:17:06,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:06" (1/1) ... [2021-11-23 17:17:06,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:06" (1/1) ... [2021-11-23 17:17:06,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:17:06,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:17:06,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:17:06,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:17:06,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:06" (1/1) ... [2021-11-23 17:17:06,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:17:06,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:17:06,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:17:07,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:17:07,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:17:07,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:17:07,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:17:07,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:17:07,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:17:07,052 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:17:07,053 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:17:07,053 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:17:07,053 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:17:07,053 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:17:07,053 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:17:07,053 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 17:17:07,054 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 17:17:07,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:17:07,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:17:07,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:17:07,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:17:07,057 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 17:17:07,267 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:17:07,270 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:17:08,037 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:17:08,179 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:17:08,183 INFO L158 Benchmark]: Toolchain (without parser) took 2084.03ms. Allocated memory is still 134.2MB. Free memory was 91.6MB in the beginning and 49.3MB in the end (delta: 42.4MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2021-11-23 17:17:08,184 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:17:08,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 644.27ms. Allocated memory is still 134.2MB. Free memory was 91.5MB in the beginning and 92.4MB in the end (delta: -945.8kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:17:08,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.19ms. Allocated memory is still 134.2MB. Free memory was 92.4MB in the beginning and 89.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:17:08,186 INFO L158 Benchmark]: Boogie Preprocessor took 55.70ms. Allocated memory is still 134.2MB. Free memory was 89.5MB in the beginning and 87.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:17:08,187 INFO L158 Benchmark]: RCFGBuilder took 1258.73ms. Allocated memory is still 134.2MB. Free memory was 87.0MB in the beginning and 49.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-11-23 17:17:08,191 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 644.27ms. Allocated memory is still 134.2MB. Free memory was 91.5MB in the beginning and 92.4MB in the end (delta: -945.8kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.19ms. Allocated memory is still 134.2MB. Free memory was 92.4MB in the beginning and 89.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.70ms. Allocated memory is still 134.2MB. Free memory was 89.5MB in the beginning and 87.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1258.73ms. Allocated memory is still 134.2MB. Free memory was 87.0MB in the beginning and 49.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:17:08,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix007.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98fb631b7747d0724c093b074b80cf02851c21b4b9e1af2c5f1e3d032d6b592f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:17:10,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:17:10,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:17:10,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:17:10,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:17:10,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:17:10,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:17:10,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:17:10,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:17:10,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:17:10,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:17:10,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:17:10,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:17:10,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:17:10,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:17:10,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:17:10,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:17:10,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:17:10,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:17:10,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:17:10,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:17:10,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:17:10,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:17:10,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:17:10,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:17:10,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:17:10,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:17:10,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:17:10,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:17:10,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:17:10,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:17:10,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:17:10,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:17:10,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:17:10,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:17:10,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:17:10,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:17:10,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:17:10,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:17:10,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:17:10,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:17:10,757 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:17:10,799 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:17:10,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:17:10,801 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:17:10,801 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:17:10,802 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:17:10,802 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:17:10,802 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:17:10,803 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:17:10,803 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:17:10,803 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:17:10,804 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:17:10,805 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:17:10,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:17:10,807 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:17:10,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:17:10,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:17:10,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:17:10,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:17:10,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:17:10,808 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:17:10,808 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:17:10,809 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:17:10,809 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:17:10,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:17:10,809 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:17:10,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:17:10,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:17:10,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:17:10,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:17:10,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:17:10,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:17:10,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:17:10,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:17:10,812 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:17:10,812 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:17:10,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:17:10,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:17:10,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:17:10,813 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98fb631b7747d0724c093b074b80cf02851c21b4b9e1af2c5f1e3d032d6b592f [2021-11-23 17:17:11,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:17:11,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:17:11,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:17:11,224 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:17:11,225 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:17:11,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/mix007.opt.i [2021-11-23 17:17:11,293 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/data/77cb4b077/f90bc8d119a24300b32e7fdf520d4488/FLAGc447e02ac [2021-11-23 17:17:11,854 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:17:11,854 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/sv-benchmarks/c/pthread-wmm/mix007.opt.i [2021-11-23 17:17:11,871 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/data/77cb4b077/f90bc8d119a24300b32e7fdf520d4488/FLAGc447e02ac [2021-11-23 17:17:12,147 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/data/77cb4b077/f90bc8d119a24300b32e7fdf520d4488 [2021-11-23 17:17:12,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:17:12,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:17:12,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:17:12,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:17:12,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:17:12,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:17:12" (1/1) ... [2021-11-23 17:17:12,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5882ab10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:12, skipping insertion in model container [2021-11-23 17:17:12,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:17:12" (1/1) ... [2021-11-23 17:17:12,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:17:12,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:17:12,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/sv-benchmarks/c/pthread-wmm/mix007.opt.i[944,957] [2021-11-23 17:17:12,770 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:17:12,788 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:17:12,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/sv-benchmarks/c/pthread-wmm/mix007.opt.i[944,957] [2021-11-23 17:17:12,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:17:12,916 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:17:12,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:12 WrapperNode [2021-11-23 17:17:12,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:17:12,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:17:12,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:17:12,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:17:12,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:12" (1/1) ... [2021-11-23 17:17:12,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:12" (1/1) ... [2021-11-23 17:17:12,980 INFO L137 Inliner]: procedures = 180, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 297 [2021-11-23 17:17:12,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:17:12,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:17:12,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:17:12,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:17:12,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:12" (1/1) ... [2021-11-23 17:17:12,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:12" (1/1) ... [2021-11-23 17:17:12,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:12" (1/1) ... [2021-11-23 17:17:12,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:12" (1/1) ... [2021-11-23 17:17:13,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:12" (1/1) ... [2021-11-23 17:17:13,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:12" (1/1) ... [2021-11-23 17:17:13,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:12" (1/1) ... [2021-11-23 17:17:13,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:17:13,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:17:13,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:17:13,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:17:13,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:12" (1/1) ... [2021-11-23 17:17:13,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:17:13,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:17:13,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:17:13,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:17:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:17:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:17:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:17:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:17:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:17:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:17:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:17:13,131 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:17:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:17:13,131 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:17:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:17:13,131 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:17:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 17:17:13,132 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 17:17:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:17:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:17:13,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:17:13,134 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 17:17:13,328 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:17:13,330 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:17:13,936 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:17:14,043 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:17:14,047 INFO L158 Benchmark]: Toolchain (without parser) took 1895.68ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 40.4MB in the beginning and 53.6MB in the end (delta: -13.2MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-11-23 17:17:14,048 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 62.9MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:17:14,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 764.91ms. Allocated memory is still 62.9MB. Free memory was 40.2MB in the beginning and 31.0MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:17:14,050 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.26ms. Allocated memory is still 62.9MB. Free memory was 30.8MB in the beginning and 28.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:17:14,051 INFO L158 Benchmark]: Boogie Preprocessor took 61.99ms. Allocated memory is still 62.9MB. Free memory was 27.8MB in the beginning and 43.7MB in the end (delta: -15.9MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2021-11-23 17:17:14,052 INFO L158 Benchmark]: RCFGBuilder took 1001.41ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 43.7MB in the beginning and 53.6MB in the end (delta: -10.0MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2021-11-23 17:17:14,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 62.9MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 764.91ms. Allocated memory is still 62.9MB. Free memory was 40.2MB in the beginning and 31.0MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.26ms. Allocated memory is still 62.9MB. Free memory was 30.8MB in the beginning and 28.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.99ms. Allocated memory is still 62.9MB. Free memory was 27.8MB in the beginning and 43.7MB in the end (delta: -15.9MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1001.41ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 43.7MB in the beginning and 53.6MB in the end (delta: -10.0MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:17:14,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23225ccd-9445-4a65-86f7-1a57600e10b3/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable