./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi006_rmo.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_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/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_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi006_rmo.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/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_b3cba50c-a0fb-4727-bf85-9dc11553c528/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 304137b4cdfcb1cb721c511de7faa38271d71a9e3815c7f79977f44461721381 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:44:49,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:44:49,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:44:49,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:44:49,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:44:49,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:44:49,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:44:49,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:44:49,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:44:49,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:44:49,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:44:49,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:44:49,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:44:49,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:44:49,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:44:49,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:44:49,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:44:49,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:44:49,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:44:49,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:44:49,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:44:49,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:44:49,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:44:49,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:44:49,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:44:49,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:44:49,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:44:49,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:44:49,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:44:49,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:44:49,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:44:49,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:44:49,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:44:49,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:44:49,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:44:49,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:44:49,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:44:49,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:44:49,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:44:49,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:44:49,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:44:49,944 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:44:49,971 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:44:49,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:44:49,972 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:44:49,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:44:49,973 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:44:49,973 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:44:49,974 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:44:49,974 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:44:49,974 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:44:49,975 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:44:49,975 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:44:49,975 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:44:49,975 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:44:49,976 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:44:49,976 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:44:49,976 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:44:49,976 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:44:49,977 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:44:49,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:44:49,978 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:44:49,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:44:49,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:44:49,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:44:49,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:44:49,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:44:49,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:44:49,980 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:44:49,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:44:49,980 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:44:49,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:44:49,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:44:49,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:44:49,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:44:49,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:44:49,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:44:49,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:44:49,982 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:44:49,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:44:49,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:44:49,983 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:44:49,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:44:49,983 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_b3cba50c-a0fb-4727-bf85-9dc11553c528/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 304137b4cdfcb1cb721c511de7faa38271d71a9e3815c7f79977f44461721381 [2021-11-23 16:44:50,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:44:50,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:44:50,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:44:50,248 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:44:50,249 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:44:50,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/rfi006_rmo.i [2021-11-23 16:44:50,342 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl/data/2b9e5f5ee/d4a1492017d549ad8a6afa9b63a0bc8a/FLAG3c54e2da2 [2021-11-23 16:44:50,921 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:44:50,930 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/sv-benchmarks/c/pthread-wmm/rfi006_rmo.i [2021-11-23 16:44:50,959 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl/data/2b9e5f5ee/d4a1492017d549ad8a6afa9b63a0bc8a/FLAG3c54e2da2 [2021-11-23 16:44:51,213 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl/data/2b9e5f5ee/d4a1492017d549ad8a6afa9b63a0bc8a [2021-11-23 16:44:51,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:44:51,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:44:51,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:51,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:44:51,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:44:51,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:51" (1/1) ... [2021-11-23 16:44:51,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd2ca0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:51, skipping insertion in model container [2021-11-23 16:44:51,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:51" (1/1) ... [2021-11-23 16:44:51,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:44:51,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:44:51,575 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_b3cba50c-a0fb-4727-bf85-9dc11553c528/sv-benchmarks/c/pthread-wmm/rfi006_rmo.i[987,1000] [2021-11-23 16:44:51,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:44:51,953 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:44:51,970 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_b3cba50c-a0fb-4727-bf85-9dc11553c528/sv-benchmarks/c/pthread-wmm/rfi006_rmo.i[987,1000] [2021-11-23 16:44:52,061 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:44:52,113 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:44:52,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:52 WrapperNode [2021-11-23 16:44:52,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:52,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:44:52,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:44:52,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:44:52,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:52" (1/1) ... [2021-11-23 16:44:52,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:52" (1/1) ... [2021-11-23 16:44:52,203 INFO L137 Inliner]: procedures = 176, calls = 73, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 152 [2021-11-23 16:44:52,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:44:52,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:44:52,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:44:52,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:44:52,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:52" (1/1) ... [2021-11-23 16:44:52,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:52" (1/1) ... [2021-11-23 16:44:52,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:52" (1/1) ... [2021-11-23 16:44:52,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:52" (1/1) ... [2021-11-23 16:44:52,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:52" (1/1) ... [2021-11-23 16:44:52,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:52" (1/1) ... [2021-11-23 16:44:52,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:52" (1/1) ... [2021-11-23 16:44:52,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:44:52,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:44:52,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:44:52,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:44:52,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:52" (1/1) ... [2021-11-23 16:44:52,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:44:52,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:44:52,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:44:52,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:44:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 16:44:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 16:44:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 16:44:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:44:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:44:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:44:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 16:44:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 16:44:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 16:44:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 16:44:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 16:44:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 16:44:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:44:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 16:44:52,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:44:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:44:52,373 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 16:44:52,554 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:44:52,555 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:44:53,334 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:44:53,519 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 16:44:53,524 INFO L158 Benchmark]: Toolchain (without parser) took 2304.65ms. Allocated memory was 100.7MB in the beginning and 138.4MB in the end (delta: 37.7MB). Free memory was 64.3MB in the beginning and 92.1MB in the end (delta: -27.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-11-23 16:44:53,525 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 100.7MB. Free memory was 51.9MB in the beginning and 51.9MB in the end (delta: 40.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:44:53,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 892.26ms. Allocated memory is still 100.7MB. Free memory was 64.1MB in the beginning and 62.0MB in the end (delta: 2.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 16:44:53,526 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.24ms. Allocated memory is still 100.7MB. Free memory was 62.0MB in the beginning and 59.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:44:53,527 INFO L158 Benchmark]: Boogie Preprocessor took 68.75ms. Allocated memory is still 100.7MB. Free memory was 59.5MB in the beginning and 57.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:44:53,528 INFO L158 Benchmark]: RCFGBuilder took 1248.37ms. Allocated memory was 100.7MB in the beginning and 138.4MB in the end (delta: 37.7MB). Free memory was 57.0MB in the beginning and 92.1MB in the end (delta: -35.1MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2021-11-23 16:44:53,534 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 100.7MB. Free memory was 51.9MB in the beginning and 51.9MB in the end (delta: 40.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 892.26ms. Allocated memory is still 100.7MB. Free memory was 64.1MB in the beginning and 62.0MB in the end (delta: 2.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.24ms. Allocated memory is still 100.7MB. Free memory was 62.0MB in the beginning and 59.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.75ms. Allocated memory is still 100.7MB. Free memory was 59.5MB in the beginning and 57.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1248.37ms. Allocated memory was 100.7MB in the beginning and 138.4MB in the end (delta: 37.7MB). Free memory was 57.0MB in the beginning and 92.1MB in the end (delta: -35.1MB). Peak memory consumption was 29.7MB. 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 16:44:53,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/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_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/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_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi006_rmo.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/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_b3cba50c-a0fb-4727-bf85-9dc11553c528/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 304137b4cdfcb1cb721c511de7faa38271d71a9e3815c7f79977f44461721381 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:44:56,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:44:56,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:44:56,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:44:56,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:44:56,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:44:56,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:44:56,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:44:56,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:44:56,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:44:56,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:44:56,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:44:56,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:44:56,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:44:56,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:44:56,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:44:56,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:44:56,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:44:56,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:44:56,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:44:56,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:44:56,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:44:56,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:44:56,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:44:56,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:44:56,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:44:56,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:44:56,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:44:56,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:44:56,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:44:56,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:44:56,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:44:56,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:44:56,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:44:56,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:44:56,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:44:56,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:44:56,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:44:56,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:44:56,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:44:56,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:44:56,170 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:44:56,215 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:44:56,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:44:56,216 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:44:56,216 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:44:56,217 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:44:56,217 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:44:56,218 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:44:56,218 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:44:56,218 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:44:56,218 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:44:56,219 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:44:56,219 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:44:56,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:44:56,220 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:44:56,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:44:56,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:44:56,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:44:56,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:44:56,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:44:56,221 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:44:56,222 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:44:56,222 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:44:56,222 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:44:56,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:44:56,223 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:44:56,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:44:56,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:44:56,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:44:56,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:44:56,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:44:56,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:44:56,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:44:56,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:44:56,225 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:44:56,225 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:44:56,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:44:56,225 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:44:56,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:44:56,226 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_b3cba50c-a0fb-4727-bf85-9dc11553c528/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 304137b4cdfcb1cb721c511de7faa38271d71a9e3815c7f79977f44461721381 [2021-11-23 16:44:56,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:44:56,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:44:56,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:44:56,655 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:44:56,656 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:44:56,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/rfi006_rmo.i [2021-11-23 16:44:56,729 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl/data/55d3fda87/33b4b1d5cdac4bfbab8483ec11061bb8/FLAG612ee3541 [2021-11-23 16:44:57,342 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:44:57,342 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/sv-benchmarks/c/pthread-wmm/rfi006_rmo.i [2021-11-23 16:44:57,357 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl/data/55d3fda87/33b4b1d5cdac4bfbab8483ec11061bb8/FLAG612ee3541 [2021-11-23 16:44:57,613 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl/data/55d3fda87/33b4b1d5cdac4bfbab8483ec11061bb8 [2021-11-23 16:44:57,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:44:57,619 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:44:57,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:57,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:44:57,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:44:57,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:57" (1/1) ... [2021-11-23 16:44:57,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cee9042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:57, skipping insertion in model container [2021-11-23 16:44:57,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:57" (1/1) ... [2021-11-23 16:44:57,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:44:57,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:44:57,948 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_b3cba50c-a0fb-4727-bf85-9dc11553c528/sv-benchmarks/c/pthread-wmm/rfi006_rmo.i[987,1000] [2021-11-23 16:44:58,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:44:58,281 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:44:58,295 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_b3cba50c-a0fb-4727-bf85-9dc11553c528/sv-benchmarks/c/pthread-wmm/rfi006_rmo.i[987,1000] [2021-11-23 16:44:58,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:44:58,392 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:44:58,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58 WrapperNode [2021-11-23 16:44:58,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:58,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:44:58,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:44:58,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:44:58,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,454 INFO L137 Inliner]: procedures = 180, calls = 73, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 153 [2021-11-23 16:44:58,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:44:58,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:44:58,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:44:58,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:44:58,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:44:58,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:44:58,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:44:58,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:44:58,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:58" (1/1) ... [2021-11-23 16:44:58,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:44:58,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:44:58,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:44:58,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:44:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 16:44:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 16:44:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:44:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:44:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:44:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 16:44:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:44:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 16:44:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 16:44:58,617 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 16:44:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 16:44:58,617 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 16:44:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 16:44:58,617 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 16:44:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 16:44:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:44:58,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:44:58,619 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 16:44:58,783 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:44:58,788 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:44:59,607 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:44:59,774 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 16:44:59,782 INFO L158 Benchmark]: Toolchain (without parser) took 2160.73ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.1MB in the beginning and 46.8MB in the end (delta: -11.7MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2021-11-23 16:44:59,783 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:44:59,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 770.22ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 34.9MB in the beginning and 39.6MB in the end (delta: -4.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 16:44:59,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.58ms. Allocated memory is still 71.3MB. Free memory was 39.4MB in the beginning and 36.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:44:59,786 INFO L158 Benchmark]: Boogie Preprocessor took 81.18ms. Allocated memory is still 71.3MB. Free memory was 36.9MB in the beginning and 51.7MB in the end (delta: -14.8MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-23 16:44:59,787 INFO L158 Benchmark]: RCFGBuilder took 1241.59ms. Allocated memory is still 71.3MB. Free memory was 51.5MB in the beginning and 46.8MB in the end (delta: 4.7MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2021-11-23 16:44:59,796 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 58.7MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 770.22ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 34.9MB in the beginning and 39.6MB in the end (delta: -4.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.58ms. Allocated memory is still 71.3MB. Free memory was 39.4MB in the beginning and 36.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 81.18ms. Allocated memory is still 71.3MB. Free memory was 36.9MB in the beginning and 51.7MB in the end (delta: -14.8MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1241.59ms. Allocated memory is still 71.3MB. Free memory was 51.5MB in the beginning and 46.8MB in the end (delta: 4.7MB). Peak memory consumption was 22.8MB. 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 16:44:59,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3cba50c-a0fb-4727-bf85-9dc11553c528/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