./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.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_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/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_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/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_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/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 87c512ff7772c648d2c2d28b30bf4d136366c31440eeddc6ab833b392d36d780 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:32:13,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:32:13,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:32:13,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:32:13,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:32:13,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:32:13,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:32:13,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:32:13,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:32:13,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:32:13,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:32:13,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:32:13,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:32:13,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:32:13,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:32:13,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:32:13,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:32:13,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:32:13,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:32:13,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:32:13,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:32:13,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:32:13,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:32:13,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:32:13,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:32:13,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:32:13,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:32:13,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:32:13,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:32:13,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:32:13,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:32:13,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:32:13,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:32:13,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:32:13,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:32:13,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:32:13,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:32:13,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:32:13,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:32:13,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:32:13,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:32:13,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:32:13,255 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:32:13,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:32:13,261 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:32:13,262 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:32:13,266 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:32:13,267 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:32:13,267 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:32:13,268 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:32:13,268 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:32:13,268 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:32:13,270 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:32:13,270 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:32:13,271 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:32:13,271 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:32:13,271 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:32:13,272 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:32:13,272 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:32:13,272 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:32:13,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:32:13,273 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:32:13,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:32:13,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:32:13,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:32:13,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:32:13,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:32:13,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:32:13,277 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:32:13,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:32:13,278 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:32:13,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:32:13,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:32:13,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:32:13,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:32:13,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:32:13,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:32:13,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:32:13,281 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:32:13,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:32:13,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:32:13,282 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:32:13,282 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:32:13,282 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_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87c512ff7772c648d2c2d28b30bf4d136366c31440eeddc6ab833b392d36d780 [2021-11-23 17:32:13,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:32:13,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:32:13,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:32:13,666 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:32:13,667 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:32:13,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2021-11-23 17:32:13,765 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl/data/e26af0d64/3093114860cb4e9198367489d84bb338/FLAG0ee9c25d1 [2021-11-23 17:32:14,422 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:32:14,430 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2021-11-23 17:32:14,464 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl/data/e26af0d64/3093114860cb4e9198367489d84bb338/FLAG0ee9c25d1 [2021-11-23 17:32:14,698 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl/data/e26af0d64/3093114860cb4e9198367489d84bb338 [2021-11-23 17:32:14,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:32:14,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:32:14,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:32:14,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:32:14,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:32:14,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:32:14" (1/1) ... [2021-11-23 17:32:14,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27e40305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:14, skipping insertion in model container [2021-11-23 17:32:14,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:32:14" (1/1) ... [2021-11-23 17:32:14,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:32:14,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:32:15,049 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_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i[986,999] [2021-11-23 17:32:15,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:32:15,472 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:32:15,497 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_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i[986,999] [2021-11-23 17:32:15,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:32:15,667 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:32:15,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:15 WrapperNode [2021-11-23 17:32:15,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:32:15,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:32:15,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:32:15,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:32:15,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:15" (1/1) ... [2021-11-23 17:32:15,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:15" (1/1) ... [2021-11-23 17:32:15,734 INFO L137 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 185 [2021-11-23 17:32:15,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:32:15,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:32:15,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:32:15,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:32:15,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:15" (1/1) ... [2021-11-23 17:32:15,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:15" (1/1) ... [2021-11-23 17:32:15,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:15" (1/1) ... [2021-11-23 17:32:15,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:15" (1/1) ... [2021-11-23 17:32:15,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:15" (1/1) ... [2021-11-23 17:32:15,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:15" (1/1) ... [2021-11-23 17:32:15,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:15" (1/1) ... [2021-11-23 17:32:15,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:32:15,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:32:15,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:32:15,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:32:15,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:15" (1/1) ... [2021-11-23 17:32:15,819 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:32:15,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:32:15,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:32:15,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:32:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:32:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:32:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:32:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:32:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:32:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:32:15,915 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:32:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:32:15,915 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:32:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:32:15,915 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:32:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:32:15,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:32:15,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:32:15,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:32:15,918 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 17:32:16,182 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:32:16,196 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:32:16,819 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:32:16,979 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 17:32:16,990 INFO L158 Benchmark]: Toolchain (without parser) took 2285.90ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 46.8MB in the beginning and 66.7MB in the end (delta: -19.9MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2021-11-23 17:32:16,991 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 86.0MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:32:16,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 963.64ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 46.6MB in the beginning and 65.0MB in the end (delta: -18.4MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2021-11-23 17:32:16,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.22ms. Allocated memory is still 104.9MB. Free memory was 65.0MB in the beginning and 62.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:32:16,994 INFO L158 Benchmark]: Boogie Preprocessor took 62.96ms. Allocated memory is still 104.9MB. Free memory was 62.1MB in the beginning and 60.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:32:16,995 INFO L158 Benchmark]: RCFGBuilder took 1188.75ms. Allocated memory is still 104.9MB. Free memory was 60.0MB in the beginning and 66.7MB in the end (delta: -6.7MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2021-11-23 17:32:17,000 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 86.0MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 963.64ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 46.6MB in the beginning and 65.0MB in the end (delta: -18.4MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.22ms. Allocated memory is still 104.9MB. Free memory was 65.0MB in the beginning and 62.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.96ms. Allocated memory is still 104.9MB. Free memory was 62.1MB in the beginning and 60.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1188.75ms. Allocated memory is still 104.9MB. Free memory was 60.0MB in the beginning and 66.7MB in the end (delta: -6.7MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:32:17,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/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_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/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_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/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_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/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 87c512ff7772c648d2c2d28b30bf4d136366c31440eeddc6ab833b392d36d780 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:32:19,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:32:19,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:32:19,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:32:19,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:32:19,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:32:19,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:32:19,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:32:19,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:32:19,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:32:19,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:32:19,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:32:19,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:32:19,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:32:19,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:32:19,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:32:19,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:32:19,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:32:19,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:32:19,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:32:19,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:32:19,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:32:19,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:32:19,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:32:19,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:32:19,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:32:19,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:32:19,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:32:19,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:32:19,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:32:19,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:32:19,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:32:19,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:32:19,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:32:19,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:32:19,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:32:19,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:32:19,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:32:19,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:32:19,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:32:19,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:32:19,925 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:32:19,960 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:32:19,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:32:19,965 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:32:19,965 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:32:19,966 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:32:19,967 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:32:19,967 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:32:19,967 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:32:19,968 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:32:19,968 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:32:19,969 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:32:19,970 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:32:19,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:32:19,972 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:32:19,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:32:19,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:32:19,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:32:19,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:32:19,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:32:19,974 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:32:19,974 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:32:19,975 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:32:19,975 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:32:19,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:32:19,976 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:32:19,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:32:19,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:32:19,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:32:19,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:32:19,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:32:19,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:32:19,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:32:19,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:32:19,979 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:32:19,979 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:32:19,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:32:19,980 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:32:19,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:32:19,981 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_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87c512ff7772c648d2c2d28b30bf4d136366c31440eeddc6ab833b392d36d780 [2021-11-23 17:32:20,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:32:20,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:32:20,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:32:20,479 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:32:20,480 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:32:20,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2021-11-23 17:32:20,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl/data/06ba715ac/4795b01d6e324de7aa46781b66a801d8/FLAGf5e5f0387 [2021-11-23 17:32:21,274 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:32:21,281 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2021-11-23 17:32:21,301 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl/data/06ba715ac/4795b01d6e324de7aa46781b66a801d8/FLAGf5e5f0387 [2021-11-23 17:32:21,447 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl/data/06ba715ac/4795b01d6e324de7aa46781b66a801d8 [2021-11-23 17:32:21,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:32:21,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:32:21,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:32:21,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:32:21,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:32:21,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:32:21" (1/1) ... [2021-11-23 17:32:21,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a5902ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:21, skipping insertion in model container [2021-11-23 17:32:21,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:32:21" (1/1) ... [2021-11-23 17:32:21,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:32:21,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:32:21,693 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_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i[986,999] [2021-11-23 17:32:22,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:32:22,102 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:32:22,118 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_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i[986,999] [2021-11-23 17:32:22,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:32:22,275 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:32:22,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:22 WrapperNode [2021-11-23 17:32:22,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:32:22,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:32:22,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:32:22,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:32:22,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:22" (1/1) ... [2021-11-23 17:32:22,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:22" (1/1) ... [2021-11-23 17:32:22,390 INFO L137 Inliner]: procedures = 179, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 186 [2021-11-23 17:32:22,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:32:22,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:32:22,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:32:22,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:32:22,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:22" (1/1) ... [2021-11-23 17:32:22,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:22" (1/1) ... [2021-11-23 17:32:22,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:22" (1/1) ... [2021-11-23 17:32:22,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:22" (1/1) ... [2021-11-23 17:32:22,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:22" (1/1) ... [2021-11-23 17:32:22,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:22" (1/1) ... [2021-11-23 17:32:22,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:22" (1/1) ... [2021-11-23 17:32:22,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:32:22,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:32:22,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:32:22,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:32:22,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:22" (1/1) ... [2021-11-23 17:32:22,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:32:22,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:32:22,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:32:22,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:32:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:32:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:32:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:32:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:32:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:32:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:32:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:32:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:32:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:32:22,590 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:32:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:32:22,590 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:32:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:32:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:32:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:32:22,593 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 17:32:22,798 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:32:22,801 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:32:23,555 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:32:23,738 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 17:32:23,742 INFO L158 Benchmark]: Toolchain (without parser) took 2289.62ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 49.4MB in the beginning and 72.8MB in the end (delta: -23.5MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2021-11-23 17:32:23,743 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 69.2MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:32:23,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 823.20ms. Allocated memory is still 69.2MB. Free memory was 49.2MB in the beginning and 39.7MB in the end (delta: 9.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:32:23,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.15ms. Allocated memory is still 69.2MB. Free memory was 39.5MB in the beginning and 37.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:32:23,746 INFO L158 Benchmark]: Boogie Preprocessor took 77.72ms. Allocated memory is still 69.2MB. Free memory was 37.1MB in the beginning and 34.6MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:32:23,747 INFO L158 Benchmark]: RCFGBuilder took 1270.76ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 34.4MB in the beginning and 72.8MB in the end (delta: -38.5MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-11-23 17:32:23,751 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 69.2MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 823.20ms. Allocated memory is still 69.2MB. Free memory was 49.2MB in the beginning and 39.7MB in the end (delta: 9.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.15ms. Allocated memory is still 69.2MB. Free memory was 39.5MB in the beginning and 37.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.72ms. Allocated memory is still 69.2MB. Free memory was 37.1MB in the beginning and 34.6MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1270.76ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 34.4MB in the beginning and 72.8MB in the end (delta: -38.5MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:32:23,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bcb358-c6c4-42b8-ae02-fd6f7b4ab07d/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