./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix005.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/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_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix005.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/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_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/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 0c4e58b38f229da1b25a4c7b1c830f1f36e4dc5c1e18903f04a209f4b4cfa3c5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:20:37,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:20:37,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:20:37,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:20:37,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:20:37,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:20:37,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:20:37,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:20:37,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:20:37,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:20:37,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:20:37,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:20:37,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:20:37,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:20:37,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:20:37,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:20:37,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:20:37,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:20:37,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:20:37,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:20:37,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:20:37,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:20:37,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:20:37,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:20:37,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:20:37,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:20:37,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:20:38,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:20:38,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:20:38,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:20:38,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:20:38,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:20:38,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:20:38,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:20:38,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:20:38,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:20:38,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:20:38,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:20:38,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:20:38,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:20:38,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:20:38,013 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:20:38,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:20:38,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:20:38,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:20:38,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:20:38,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:20:38,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:20:38,049 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:20:38,049 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:20:38,049 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:20:38,049 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:20:38,050 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:20:38,050 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:20:38,050 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:20:38,050 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:20:38,051 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:20:38,051 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:20:38,051 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:20:38,051 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:20:38,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:20:38,052 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:20:38,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:20:38,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:20:38,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:20:38,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:20:38,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:20:38,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:20:38,054 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:20:38,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:20:38,054 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:20:38,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:20:38,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:20:38,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:20:38,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:20:38,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:20:38,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:20:38,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:20:38,056 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:20:38,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:20:38,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:20:38,057 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:20:38,057 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:20:38,057 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_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c4e58b38f229da1b25a4c7b1c830f1f36e4dc5c1e18903f04a209f4b4cfa3c5 [2021-11-23 17:20:38,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:20:38,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:20:38,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:20:38,335 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:20:38,336 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:20:38,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/mix005.opt.i [2021-11-23 17:20:38,420 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl/data/16d478846/142f44806d79430fbed233a541674671/FLAGcff2983c3 [2021-11-23 17:20:39,010 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:20:39,011 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/sv-benchmarks/c/pthread-wmm/mix005.opt.i [2021-11-23 17:20:39,028 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl/data/16d478846/142f44806d79430fbed233a541674671/FLAGcff2983c3 [2021-11-23 17:20:39,294 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl/data/16d478846/142f44806d79430fbed233a541674671 [2021-11-23 17:20:39,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:20:39,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:20:39,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:20:39,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:20:39,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:20:39,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:20:39" (1/1) ... [2021-11-23 17:20:39,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d5ba1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:39, skipping insertion in model container [2021-11-23 17:20:39,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:20:39" (1/1) ... [2021-11-23 17:20:39,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:20:39,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:20:39,581 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_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/sv-benchmarks/c/pthread-wmm/mix005.opt.i[944,957] [2021-11-23 17:20:39,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:20:39,921 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:20:39,937 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_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/sv-benchmarks/c/pthread-wmm/mix005.opt.i[944,957] [2021-11-23 17:20:40,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:20:40,081 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:20:40,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:40 WrapperNode [2021-11-23 17:20:40,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:20:40,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:20:40,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:20:40,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:20:40,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:40" (1/1) ... [2021-11-23 17:20:40,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:40" (1/1) ... [2021-11-23 17:20:40,182 INFO L137 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 296 [2021-11-23 17:20:40,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:20:40,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:20:40,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:20:40,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:20:40,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:40" (1/1) ... [2021-11-23 17:20:40,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:40" (1/1) ... [2021-11-23 17:20:40,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:40" (1/1) ... [2021-11-23 17:20:40,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:40" (1/1) ... [2021-11-23 17:20:40,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:40" (1/1) ... [2021-11-23 17:20:40,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:40" (1/1) ... [2021-11-23 17:20:40,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:40" (1/1) ... [2021-11-23 17:20:40,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:20:40,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:20:40,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:20:40,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:20:40,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:40" (1/1) ... [2021-11-23 17:20:40,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:20:40,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:20:40,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:20:40,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:20:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:20:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:20:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:20:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:20:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:20:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:20:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:20:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:20:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:20:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:20:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:20:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 17:20:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 17:20:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:20:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:20:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:20:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:20:40,383 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 17:20:40,611 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:20:40,613 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:20:41,196 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:20:41,401 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:20:41,409 INFO L158 Benchmark]: Toolchain (without parser) took 2109.87ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 86.7MB in the beginning and 129.7MB in the end (delta: -43.0MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2021-11-23 17:20:41,410 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:20:41,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 766.87ms. Allocated memory is still 130.0MB. Free memory was 86.5MB in the beginning and 87.3MB in the end (delta: -827.3kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:20:41,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.06ms. Allocated memory is still 130.0MB. Free memory was 87.3MB in the beginning and 84.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:20:41,417 INFO L158 Benchmark]: Boogie Preprocessor took 82.51ms. Allocated memory is still 130.0MB. Free memory was 84.1MB in the beginning and 82.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:20:41,418 INFO L158 Benchmark]: RCFGBuilder took 1139.54ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 82.0MB in the beginning and 129.7MB in the end (delta: -47.7MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2021-11-23 17:20:41,421 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 766.87ms. Allocated memory is still 130.0MB. Free memory was 86.5MB in the beginning and 87.3MB in the end (delta: -827.3kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.06ms. Allocated memory is still 130.0MB. Free memory was 87.3MB in the beginning and 84.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.51ms. Allocated memory is still 130.0MB. Free memory was 84.1MB in the beginning and 82.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1139.54ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 82.0MB in the beginning and 129.7MB in the end (delta: -47.7MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:20:41,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/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_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/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_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix005.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/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_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/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 0c4e58b38f229da1b25a4c7b1c830f1f36e4dc5c1e18903f04a209f4b4cfa3c5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:20:43,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:20:43,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:20:44,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:20:44,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:20:44,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:20:44,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:20:44,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:20:44,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:20:44,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:20:44,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:20:44,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:20:44,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:20:44,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:20:44,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:20:44,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:20:44,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:20:44,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:20:44,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:20:44,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:20:44,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:20:44,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:20:44,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:20:44,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:20:44,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:20:44,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:20:44,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:20:44,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:20:44,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:20:44,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:20:44,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:20:44,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:20:44,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:20:44,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:20:44,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:20:44,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:20:44,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:20:44,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:20:44,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:20:44,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:20:44,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:20:44,148 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:20:44,200 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:20:44,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:20:44,201 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:20:44,201 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:20:44,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:20:44,202 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:20:44,202 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:20:44,203 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:20:44,203 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:20:44,203 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:20:44,204 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:20:44,205 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:20:44,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:20:44,207 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:20:44,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:20:44,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:20:44,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:20:44,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:20:44,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:20:44,208 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:20:44,208 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:20:44,209 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:20:44,209 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:20:44,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:20:44,209 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:20:44,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:20:44,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:20:44,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:20:44,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:20:44,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:20:44,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:20:44,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:20:44,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:20:44,212 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:20:44,212 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:20:44,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:20:44,213 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:20:44,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:20:44,213 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_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c4e58b38f229da1b25a4c7b1c830f1f36e4dc5c1e18903f04a209f4b4cfa3c5 [2021-11-23 17:20:44,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:20:44,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:20:44,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:20:44,638 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:20:44,639 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:20:44,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/mix005.opt.i [2021-11-23 17:20:44,725 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl/data/97c3e5484/a2703b57dfba4057ac1081e20ea7edb8/FLAGc832d21f2 [2021-11-23 17:20:45,417 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:20:45,418 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/sv-benchmarks/c/pthread-wmm/mix005.opt.i [2021-11-23 17:20:45,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl/data/97c3e5484/a2703b57dfba4057ac1081e20ea7edb8/FLAGc832d21f2 [2021-11-23 17:20:45,640 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl/data/97c3e5484/a2703b57dfba4057ac1081e20ea7edb8 [2021-11-23 17:20:45,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:20:45,645 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:20:45,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:20:45,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:20:45,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:20:45,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:20:45" (1/1) ... [2021-11-23 17:20:45,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7ab1d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:45, skipping insertion in model container [2021-11-23 17:20:45,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:20:45" (1/1) ... [2021-11-23 17:20:45,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:20:45,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:20:45,942 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_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/sv-benchmarks/c/pthread-wmm/mix005.opt.i[944,957] [2021-11-23 17:20:46,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:20:46,237 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:20:46,256 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_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/sv-benchmarks/c/pthread-wmm/mix005.opt.i[944,957] [2021-11-23 17:20:46,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:20:46,427 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:20:46,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46 WrapperNode [2021-11-23 17:20:46,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:20:46,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:20:46,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:20:46,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:20:46,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46" (1/1) ... [2021-11-23 17:20:46,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46" (1/1) ... [2021-11-23 17:20:46,525 INFO L137 Inliner]: procedures = 180, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 297 [2021-11-23 17:20:46,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:20:46,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:20:46,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:20:46,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:20:46,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46" (1/1) ... [2021-11-23 17:20:46,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46" (1/1) ... [2021-11-23 17:20:46,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46" (1/1) ... [2021-11-23 17:20:46,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46" (1/1) ... [2021-11-23 17:20:46,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46" (1/1) ... [2021-11-23 17:20:46,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46" (1/1) ... [2021-11-23 17:20:46,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46" (1/1) ... [2021-11-23 17:20:46,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:20:46,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:20:46,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:20:46,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:20:46,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46" (1/1) ... [2021-11-23 17:20:46,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:20:46,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:20:46,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:20:46,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:20:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:20:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:20:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:20:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:20:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:20:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:20:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:20:46,736 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:20:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:20:46,737 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:20:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:20:46,737 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:20:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 17:20:46,737 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 17:20:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:20:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:20:46,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:20:46,740 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 17:20:46,953 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:20:46,954 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:20:47,706 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:20:47,810 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:20:47,818 INFO L158 Benchmark]: Toolchain (without parser) took 2170.44ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 33.3MB in the beginning and 39.5MB in the end (delta: -6.2MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2021-11-23 17:20:47,818 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 56.6MB. Free memory is still 37.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:20:47,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 781.16ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 33.2MB in the beginning and 43.7MB in the end (delta: -10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:20:47,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.59ms. Allocated memory is still 75.5MB. Free memory was 43.7MB in the beginning and 40.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:20:47,822 INFO L158 Benchmark]: Boogie Preprocessor took 101.88ms. Allocated memory is still 75.5MB. Free memory was 40.6MB in the beginning and 57.0MB in the end (delta: -16.4MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-23 17:20:47,823 INFO L158 Benchmark]: RCFGBuilder took 1175.04ms. Allocated memory is still 75.5MB. Free memory was 57.0MB in the beginning and 39.5MB in the end (delta: 17.5MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2021-11-23 17:20:47,833 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 56.6MB. Free memory is still 37.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 781.16ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 33.2MB in the beginning and 43.7MB in the end (delta: -10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.59ms. Allocated memory is still 75.5MB. Free memory was 43.7MB in the beginning and 40.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.88ms. Allocated memory is still 75.5MB. Free memory was 40.6MB in the beginning and 57.0MB in the end (delta: -16.4MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1175.04ms. Allocated memory is still 75.5MB. Free memory was 57.0MB in the beginning and 39.5MB in the end (delta: 17.5MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:20:47,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f00675-4710-4ec4-9b82-0eb2cbf3c6f7/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