./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe035_power.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_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/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_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe035_power.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/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_bc3eb0d7-4f13-4946-b608-da39e7209335/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 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:46:54,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:46:54,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:46:54,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:46:54,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:46:54,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:46:54,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:46:54,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:46:54,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:46:54,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:46:54,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:46:54,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:46:54,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:46:54,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:46:54,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:46:54,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:46:54,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:46:54,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:46:54,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:46:54,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:46:54,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:46:54,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:46:54,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:46:54,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:46:54,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:46:54,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:46:54,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:46:54,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:46:54,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:46:54,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:46:54,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:46:54,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:46:54,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:46:54,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:46:54,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:46:54,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:46:54,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:46:54,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:46:54,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:46:54,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:46:54,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:46:54,719 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:46:54,746 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:46:54,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:46:54,747 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:46:54,747 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:46:54,748 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:46:54,748 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:46:54,748 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:46:54,749 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:46:54,749 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:46:54,749 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:46:54,749 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:46:54,750 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:46:54,750 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:46:54,750 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:46:54,750 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:46:54,751 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:46:54,751 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:46:54,751 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:46:54,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:46:54,752 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:46:54,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:46:54,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:46:54,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:46:54,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:46:54,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:46:54,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:46:54,754 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:46:54,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:46:54,754 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:46:54,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:46:54,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:46:54,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:46:54,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:46:54,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:46:54,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:46:54,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:46:54,756 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:46:54,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:46:54,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:46:54,757 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:46:54,757 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:46:54,758 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_bc3eb0d7-4f13-4946-b608-da39e7209335/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 [2021-11-23 16:46:55,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:46:55,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:46:55,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:46:55,061 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:46:55,062 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:46:55,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/safe035_power.i [2021-11-23 16:46:55,153 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/data/57e13b59e/6aa19c41f8e946078bcd4739db0f7b96/FLAGaa3951e8b [2021-11-23 16:46:55,759 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:46:55,764 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/sv-benchmarks/c/pthread-wmm/safe035_power.i [2021-11-23 16:46:55,797 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/data/57e13b59e/6aa19c41f8e946078bcd4739db0f7b96/FLAGaa3951e8b [2021-11-23 16:46:56,018 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/data/57e13b59e/6aa19c41f8e946078bcd4739db0f7b96 [2021-11-23 16:46:56,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:46:56,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:46:56,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:46:56,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:46:56,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:46:56,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:46:56" (1/1) ... [2021-11-23 16:46:56,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b6d0991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:56, skipping insertion in model container [2021-11-23 16:46:56,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:46:56" (1/1) ... [2021-11-23 16:46:56,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:46:56,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:46:56,296 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_bc3eb0d7-4f13-4946-b608-da39e7209335/sv-benchmarks/c/pthread-wmm/safe035_power.i[947,960] [2021-11-23 16:46:56,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:46:56,643 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:46:56,663 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_bc3eb0d7-4f13-4946-b608-da39e7209335/sv-benchmarks/c/pthread-wmm/safe035_power.i[947,960] [2021-11-23 16:46:56,770 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:46:56,814 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:46:56,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:56 WrapperNode [2021-11-23 16:46:56,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:46:56,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:46:56,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:46:56,816 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:46:56,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:56" (1/1) ... [2021-11-23 16:46:56,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:56" (1/1) ... [2021-11-23 16:46:56,896 INFO L137 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 484 [2021-11-23 16:46:56,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:46:56,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:46:56,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:46:56,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:46:56,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:56" (1/1) ... [2021-11-23 16:46:56,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:56" (1/1) ... [2021-11-23 16:46:56,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:56" (1/1) ... [2021-11-23 16:46:56,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:56" (1/1) ... [2021-11-23 16:46:56,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:56" (1/1) ... [2021-11-23 16:46:56,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:56" (1/1) ... [2021-11-23 16:46:56,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:56" (1/1) ... [2021-11-23 16:46:56,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:46:56,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:46:56,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:46:56,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:46:56,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:56" (1/1) ... [2021-11-23 16:46:56,967 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:46:56,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:46:57,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:46:57,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:46:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 16:46:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 16:46:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:46:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:46:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:46:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 16:46:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 16:46:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 16:46:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 16:46:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 16:46:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 16:46:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:46:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 16:46:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:46:57,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:46:57,077 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 16:46:57,243 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:46:57,245 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:46:58,561 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:46:58,741 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 16:46:58,751 INFO L158 Benchmark]: Toolchain (without parser) took 2727.42ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 57.3MB in the beginning and 45.1MB in the end (delta: 12.2MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2021-11-23 16:46:58,753 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory was 50.2MB in the beginning and 50.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:46:58,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 790.78ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 57.1MB in the beginning and 73.2MB in the end (delta: -16.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 16:46:58,757 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.71ms. Allocated memory is still 115.3MB. Free memory was 73.2MB in the beginning and 69.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:46:58,758 INFO L158 Benchmark]: Boogie Preprocessor took 59.21ms. Allocated memory is still 115.3MB. Free memory was 69.1MB in the beginning and 65.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:46:58,759 INFO L158 Benchmark]: RCFGBuilder took 1791.98ms. Allocated memory is still 115.3MB. Free memory was 65.9MB in the beginning and 45.1MB in the end (delta: 20.8MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2021-11-23 16:46:58,767 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory was 50.2MB in the beginning and 50.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 790.78ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 57.1MB in the beginning and 73.2MB in the end (delta: -16.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.71ms. Allocated memory is still 115.3MB. Free memory was 73.2MB in the beginning and 69.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.21ms. Allocated memory is still 115.3MB. Free memory was 69.1MB in the beginning and 65.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1791.98ms. Allocated memory is still 115.3MB. Free memory was 65.9MB in the beginning and 45.1MB in the end (delta: 20.8MB). Peak memory consumption was 26.1MB. 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 16:46:58,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/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_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/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_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe035_power.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/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_bc3eb0d7-4f13-4946-b608-da39e7209335/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 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:47:01,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:47:01,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:47:01,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:47:01,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:47:01,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:47:01,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:47:01,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:47:01,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:47:01,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:47:01,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:47:01,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:47:01,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:47:01,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:47:01,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:47:01,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:47:01,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:47:01,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:47:01,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:47:01,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:47:01,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:47:01,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:47:01,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:47:01,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:47:01,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:47:01,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:47:01,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:47:01,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:47:01,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:47:01,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:47:01,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:47:01,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:47:01,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:47:01,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:47:01,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:47:01,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:47:01,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:47:01,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:47:01,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:47:01,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:47:01,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:47:01,633 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:47:01,681 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:47:01,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:47:01,682 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:47:01,682 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:47:01,683 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:47:01,683 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:47:01,684 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:47:01,684 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:47:01,684 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:47:01,684 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:47:01,686 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:47:01,686 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:47:01,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:47:01,688 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:47:01,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:47:01,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:47:01,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:47:01,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:47:01,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:47:01,689 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:47:01,689 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:47:01,690 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:47:01,690 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:47:01,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:47:01,691 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:47:01,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:47:01,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:47:01,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:47:01,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:47:01,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:01,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:47:01,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:47:01,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:47:01,694 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:47:01,694 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:47:01,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:47:01,694 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:47:01,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:47:01,695 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_bc3eb0d7-4f13-4946-b608-da39e7209335/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 [2021-11-23 16:47:02,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:47:02,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:47:02,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:47:02,113 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:47:02,120 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:47:02,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/safe035_power.i [2021-11-23 16:47:02,199 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/data/249ebc14a/914ec4332c4d4f1889536ef976cef393/FLAGe6cc170ea [2021-11-23 16:47:02,998 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:47:02,999 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/sv-benchmarks/c/pthread-wmm/safe035_power.i [2021-11-23 16:47:03,017 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/data/249ebc14a/914ec4332c4d4f1889536ef976cef393/FLAGe6cc170ea [2021-11-23 16:47:03,198 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/data/249ebc14a/914ec4332c4d4f1889536ef976cef393 [2021-11-23 16:47:03,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:47:03,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:47:03,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:03,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:47:03,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:47:03,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:03" (1/1) ... [2021-11-23 16:47:03,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@778ff9cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03, skipping insertion in model container [2021-11-23 16:47:03,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:03" (1/1) ... [2021-11-23 16:47:03,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:47:03,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:47:03,465 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_bc3eb0d7-4f13-4946-b608-da39e7209335/sv-benchmarks/c/pthread-wmm/safe035_power.i[947,960] [2021-11-23 16:47:03,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:03,729 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:47:03,741 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_bc3eb0d7-4f13-4946-b608-da39e7209335/sv-benchmarks/c/pthread-wmm/safe035_power.i[947,960] [2021-11-23 16:47:03,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:03,871 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:47:03,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03 WrapperNode [2021-11-23 16:47:03,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:03,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:47:03,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:47:03,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:47:03,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03" (1/1) ... [2021-11-23 16:47:03,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03" (1/1) ... [2021-11-23 16:47:03,956 INFO L137 Inliner]: procedures = 179, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 485 [2021-11-23 16:47:03,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:47:03,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:47:03,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:47:03,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:47:03,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03" (1/1) ... [2021-11-23 16:47:03,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03" (1/1) ... [2021-11-23 16:47:03,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03" (1/1) ... [2021-11-23 16:47:03,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03" (1/1) ... [2021-11-23 16:47:03,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03" (1/1) ... [2021-11-23 16:47:04,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03" (1/1) ... [2021-11-23 16:47:04,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03" (1/1) ... [2021-11-23 16:47:04,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:47:04,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:47:04,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:47:04,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:47:04,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:03" (1/1) ... [2021-11-23 16:47:04,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:04,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:47:04,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:47:04,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:47:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 16:47:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:47:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:47:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:47:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 16:47:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:47:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 16:47:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 16:47:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 16:47:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 16:47:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 16:47:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 16:47:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 16:47:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:47:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:47:04,120 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 16:47:04,350 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:47:04,352 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:47:05,302 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:47:05,470 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 16:47:05,480 INFO L158 Benchmark]: Toolchain (without parser) took 2275.65ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 40.4MB in the beginning and 42.2MB in the end (delta: -1.8MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2021-11-23 16:47:05,481 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 62.9MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:47:05,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 668.92ms. Allocated memory is still 62.9MB. Free memory was 40.1MB in the beginning and 34.5MB in the end (delta: 5.6MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2021-11-23 16:47:05,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.01ms. Allocated memory is still 62.9MB. Free memory was 34.3MB in the beginning and 30.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:47:05,485 INFO L158 Benchmark]: Boogie Preprocessor took 56.60ms. Allocated memory is still 62.9MB. Free memory was 30.6MB in the beginning and 26.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:47:05,486 INFO L158 Benchmark]: RCFGBuilder took 1462.66ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 26.8MB in the beginning and 42.2MB in the end (delta: -15.5MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2021-11-23 16:47:05,489 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 62.9MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 668.92ms. Allocated memory is still 62.9MB. Free memory was 40.1MB in the beginning and 34.5MB in the end (delta: 5.6MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.01ms. Allocated memory is still 62.9MB. Free memory was 34.3MB in the beginning and 30.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.60ms. Allocated memory is still 62.9MB. Free memory was 30.6MB in the beginning and 26.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1462.66ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 26.8MB in the beginning and 42.2MB in the end (delta: -15.5MB). Peak memory consumption was 16.4MB. 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 16:47:05,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3eb0d7-4f13-4946-b608-da39e7209335/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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