./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix008.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_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/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_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix008.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/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_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/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 0e3ed0a0904abf0f880f0f4cc8dc485f79821c4ff1d089df229be68889497ed8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:06:48,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:06:48,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:06:49,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:06:49,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:06:49,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:06:49,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:06:49,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:06:49,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:06:49,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:06:49,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:06:49,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:06:49,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:06:49,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:06:49,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:06:49,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:06:49,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:06:49,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:06:49,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:06:49,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:06:49,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:06:49,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:06:49,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:06:49,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:06:49,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:06:49,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:06:49,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:06:49,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:06:49,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:06:49,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:06:49,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:06:49,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:06:49,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:06:49,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:06:49,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:06:49,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:06:49,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:06:49,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:06:49,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:06:49,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:06:49,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:06:49,128 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:06:49,180 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:06:49,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:06:49,181 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:06:49,181 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:06:49,183 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:06:49,183 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:06:49,183 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:06:49,183 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:06:49,183 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:06:49,184 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:06:49,185 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:06:49,185 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:06:49,185 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:06:49,186 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:06:49,186 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:06:49,186 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:06:49,186 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:06:49,186 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:06:49,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:06:49,188 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:06:49,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:06:49,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:06:49,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:06:49,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:06:49,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:06:49,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:06:49,191 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:06:49,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:06:49,191 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:06:49,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:06:49,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:06:49,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:06:49,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:06:49,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:06:49,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:06:49,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:06:49,193 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:06:49,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:06:49,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:06:49,194 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:06:49,194 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:06:49,195 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_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e3ed0a0904abf0f880f0f4cc8dc485f79821c4ff1d089df229be68889497ed8 [2021-11-23 17:06:49,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:06:49,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:06:49,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:06:49,554 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:06:49,555 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:06:49,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/mix008.opt.i [2021-11-23 17:06:49,630 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl/data/56b193deb/2f1d2a9e0f244e3090cbd7ca44146b9f/FLAGdf7b2a149 [2021-11-23 17:06:50,240 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:06:50,241 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/sv-benchmarks/c/pthread-wmm/mix008.opt.i [2021-11-23 17:06:50,264 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl/data/56b193deb/2f1d2a9e0f244e3090cbd7ca44146b9f/FLAGdf7b2a149 [2021-11-23 17:06:50,528 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl/data/56b193deb/2f1d2a9e0f244e3090cbd7ca44146b9f [2021-11-23 17:06:50,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:06:50,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:06:50,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:06:50,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:06:50,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:06:50,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:06:50" (1/1) ... [2021-11-23 17:06:50,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@794b486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:50, skipping insertion in model container [2021-11-23 17:06:50,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:06:50" (1/1) ... [2021-11-23 17:06:50,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:06:50,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:06:50,870 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_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/sv-benchmarks/c/pthread-wmm/mix008.opt.i[944,957] [2021-11-23 17:06:51,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:06:51,270 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:06:51,286 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_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/sv-benchmarks/c/pthread-wmm/mix008.opt.i[944,957] [2021-11-23 17:06:51,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:06:51,440 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:06:51,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:51 WrapperNode [2021-11-23 17:06:51,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:06:51,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:06:51,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:06:51,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:06:51,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:51" (1/1) ... [2021-11-23 17:06:51,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:51" (1/1) ... [2021-11-23 17:06:51,577 INFO L137 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 295 [2021-11-23 17:06:51,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:06:51,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:06:51,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:06:51,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:06:51,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:51" (1/1) ... [2021-11-23 17:06:51,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:51" (1/1) ... [2021-11-23 17:06:51,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:51" (1/1) ... [2021-11-23 17:06:51,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:51" (1/1) ... [2021-11-23 17:06:51,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:51" (1/1) ... [2021-11-23 17:06:51,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:51" (1/1) ... [2021-11-23 17:06:51,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:51" (1/1) ... [2021-11-23 17:06:51,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:06:51,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:06:51,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:06:51,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:06:51,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:51" (1/1) ... [2021-11-23 17:06:51,678 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:06:51,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:06:51,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:06:51,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:06:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:06:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:06:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:06:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:06:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:06:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:06:51,756 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:06:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:06:51,757 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:06:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:06:51,757 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:06:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 17:06:51,758 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 17:06:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:06:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:06:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:06:51,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:06:51,761 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 17:06:52,004 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:06:52,006 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:06:52,679 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:06:52,846 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 17:06:52,858 INFO L158 Benchmark]: Toolchain (without parser) took 2321.07ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 49.7MB in the beginning and 96.2MB in the end (delta: -46.5MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2021-11-23 17:06:52,860 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory was 67.8MB in the beginning and 67.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:06:52,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 899.77ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 49.4MB in the beginning and 87.4MB in the end (delta: -38.0MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2021-11-23 17:06:52,863 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.02ms. Allocated memory is still 125.8MB. Free memory was 87.4MB in the beginning and 84.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:06:52,865 INFO L158 Benchmark]: Boogie Preprocessor took 78.55ms. Allocated memory is still 125.8MB. Free memory was 84.8MB in the beginning and 82.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:06:52,866 INFO L158 Benchmark]: RCFGBuilder took 1195.08ms. Allocated memory is still 125.8MB. Free memory was 81.7MB in the beginning and 96.2MB in the end (delta: -14.5MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2021-11-23 17:06:52,877 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory was 67.8MB in the beginning and 67.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 899.77ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 49.4MB in the beginning and 87.4MB in the end (delta: -38.0MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.02ms. Allocated memory is still 125.8MB. Free memory was 87.4MB in the beginning and 84.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.55ms. Allocated memory is still 125.8MB. Free memory was 84.8MB in the beginning and 82.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1195.08ms. Allocated memory is still 125.8MB. Free memory was 81.7MB in the beginning and 96.2MB in the end (delta: -14.5MB). Peak memory consumption was 40.6MB. 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 17:06:52,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/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_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/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_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix008.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/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_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/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 0e3ed0a0904abf0f880f0f4cc8dc485f79821c4ff1d089df229be68889497ed8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:06:55,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:06:55,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:06:55,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:06:55,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:06:55,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:06:55,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:06:55,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:06:55,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:06:55,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:06:55,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:06:55,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:06:55,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:06:55,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:06:55,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:06:55,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:06:55,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:06:55,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:06:55,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:06:55,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:06:55,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:06:55,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:06:55,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:06:55,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:06:55,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:06:55,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:06:55,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:06:55,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:06:55,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:06:55,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:06:55,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:06:55,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:06:55,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:06:55,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:06:55,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:06:55,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:06:55,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:06:55,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:06:55,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:06:55,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:06:55,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:06:55,802 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:06:55,844 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:06:55,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:06:55,849 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:06:55,849 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:06:55,850 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:06:55,851 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:06:55,851 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:06:55,851 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:06:55,852 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:06:55,852 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:06:55,853 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:06:55,854 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:06:55,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:06:55,856 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:06:55,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:06:55,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:06:55,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:06:55,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:06:55,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:06:55,858 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:06:55,858 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:06:55,858 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:06:55,859 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:06:55,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:06:55,859 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:06:55,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:06:55,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:06:55,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:06:55,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:06:55,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:06:55,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:06:55,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:06:55,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:06:55,862 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:06:55,863 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:06:55,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:06:55,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:06:55,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:06:55,864 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_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e3ed0a0904abf0f880f0f4cc8dc485f79821c4ff1d089df229be68889497ed8 [2021-11-23 17:06:56,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:06:56,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:06:56,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:06:56,327 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:06:56,328 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:06:56,330 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/mix008.opt.i [2021-11-23 17:06:56,401 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl/data/de6663f00/af3854ea537047d08d7cde5929dbbfdf/FLAGc3aa2bd06 [2021-11-23 17:06:57,093 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:06:57,094 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/sv-benchmarks/c/pthread-wmm/mix008.opt.i [2021-11-23 17:06:57,121 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl/data/de6663f00/af3854ea537047d08d7cde5929dbbfdf/FLAGc3aa2bd06 [2021-11-23 17:06:57,306 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl/data/de6663f00/af3854ea537047d08d7cde5929dbbfdf [2021-11-23 17:06:57,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:06:57,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:06:57,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:06:57,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:06:57,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:06:57,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:06:57" (1/1) ... [2021-11-23 17:06:57,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aef3832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:57, skipping insertion in model container [2021-11-23 17:06:57,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:06:57" (1/1) ... [2021-11-23 17:06:57,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:06:57,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:06:57,578 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_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/sv-benchmarks/c/pthread-wmm/mix008.opt.i[944,957] [2021-11-23 17:06:57,999 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:06:58,018 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:06:58,038 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_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/sv-benchmarks/c/pthread-wmm/mix008.opt.i[944,957] [2021-11-23 17:06:58,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:06:58,226 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:06:58,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:58 WrapperNode [2021-11-23 17:06:58,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:06:58,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:06:58,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:06:58,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:06:58,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:58" (1/1) ... [2021-11-23 17:06:58,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:58" (1/1) ... [2021-11-23 17:06:58,350 INFO L137 Inliner]: procedures = 180, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 296 [2021-11-23 17:06:58,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:06:58,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:06:58,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:06:58,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:06:58,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:58" (1/1) ... [2021-11-23 17:06:58,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:58" (1/1) ... [2021-11-23 17:06:58,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:58" (1/1) ... [2021-11-23 17:06:58,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:58" (1/1) ... [2021-11-23 17:06:58,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:58" (1/1) ... [2021-11-23 17:06:58,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:58" (1/1) ... [2021-11-23 17:06:58,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:58" (1/1) ... [2021-11-23 17:06:58,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:06:58,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:06:58,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:06:58,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:06:58,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:58" (1/1) ... [2021-11-23 17:06:58,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:06:58,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:06:58,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:06:58,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:06:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:06:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:06:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:06:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:06:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:06:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:06:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:06:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:06:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:06:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:06:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:06:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:06:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 17:06:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 17:06:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:06:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:06:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:06:58,595 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 17:06:58,803 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:06:58,805 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:06:59,651 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:06:59,775 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 17:06:59,781 INFO L158 Benchmark]: Toolchain (without parser) took 2469.14ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.9MB in the beginning and 39.2MB in the end (delta: -2.3MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2021-11-23 17:06:59,782 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 58.7MB. Free memory was 39.9MB in the beginning and 39.8MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:06:59,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 914.26ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.8MB in the beginning and 40.0MB in the end (delta: -3.2MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2021-11-23 17:06:59,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.61ms. Allocated memory is still 71.3MB. Free memory was 40.0MB in the beginning and 37.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:06:59,785 INFO L158 Benchmark]: Boogie Preprocessor took 105.08ms. Allocated memory is still 71.3MB. Free memory was 37.1MB in the beginning and 34.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:06:59,786 INFO L158 Benchmark]: RCFGBuilder took 1318.97ms. Allocated memory is still 71.3MB. Free memory was 34.1MB in the beginning and 39.2MB in the end (delta: -5.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:06:59,791 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 58.7MB. Free memory was 39.9MB in the beginning and 39.8MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 914.26ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.8MB in the beginning and 40.0MB in the end (delta: -3.2MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.61ms. Allocated memory is still 71.3MB. Free memory was 40.0MB in the beginning and 37.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.08ms. Allocated memory is still 71.3MB. Free memory was 37.1MB in the beginning and 34.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1318.97ms. Allocated memory is still 71.3MB. Free memory was 34.1MB in the beginning and 39.2MB in the end (delta: -5.1MB). Peak memory consumption was 12.6MB. 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 17:06:59,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632bfb5-ecf3-4c36-a1d1-d64042b045c1/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