./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe012_pso.oepc_pso.opt_rmo.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_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/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_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe012_pso.oepc_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/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_cf25aaa6-a242-4620-9f72-56a11fa983d9/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 40c07d8b0b9ace0eb5e8218a2dd6fad770e2c982688ab22c161b74af49a1b102 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:19:39,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:19:39,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:19:39,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:19:39,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:19:39,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:19:39,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:19:39,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:19:39,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:19:39,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:19:39,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:19:39,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:19:39,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:19:39,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:19:39,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:19:39,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:19:39,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:19:39,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:19:39,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:19:39,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:19:39,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:19:39,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:19:39,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:19:39,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:19:39,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:19:39,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:19:39,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:19:39,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:19:39,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:19:39,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:19:39,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:19:39,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:19:39,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:19:39,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:19:39,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:19:39,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:19:39,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:19:39,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:19:39,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:19:39,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:19:39,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:19:39,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:19:39,174 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:19:39,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:19:39,175 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:19:39,175 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:19:39,176 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:19:39,176 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:19:39,176 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:19:39,177 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:19:39,177 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:19:39,177 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:19:39,177 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:19:39,178 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:19:39,178 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:19:39,178 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:19:39,178 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:19:39,178 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:19:39,179 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:19:39,179 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:19:39,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:19:39,180 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:19:39,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:19:39,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:19:39,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:19:39,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:19:39,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:19:39,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:19:39,181 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:19:39,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:19:39,182 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:19:39,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:19:39,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:19:39,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:19:39,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:19:39,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:19:39,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:19:39,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:19:39,183 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:19:39,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:19:39,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:19:39,184 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:19:39,184 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:19:39,184 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_cf25aaa6-a242-4620-9f72-56a11fa983d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40c07d8b0b9ace0eb5e8218a2dd6fad770e2c982688ab22c161b74af49a1b102 [2021-11-23 17:19:39,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:19:39,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:19:39,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:19:39,489 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:19:39,490 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:19:39,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/safe012_pso.oepc_pso.opt_rmo.opt.i [2021-11-23 17:19:39,560 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl/data/dd2836d75/aad07e8e9e9d40a581c2274060e63102/FLAG4929bd680 [2021-11-23 17:19:40,107 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:19:40,107 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/sv-benchmarks/c/pthread-wmm/safe012_pso.oepc_pso.opt_rmo.opt.i [2021-11-23 17:19:40,126 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl/data/dd2836d75/aad07e8e9e9d40a581c2274060e63102/FLAG4929bd680 [2021-11-23 17:19:40,409 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl/data/dd2836d75/aad07e8e9e9d40a581c2274060e63102 [2021-11-23 17:19:40,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:19:40,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:19:40,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:19:40,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:19:40,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:19:40,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:19:40" (1/1) ... [2021-11-23 17:19:40,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24ad7f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:40, skipping insertion in model container [2021-11-23 17:19:40,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:19:40" (1/1) ... [2021-11-23 17:19:40,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:19:40,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:19:40,701 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_cf25aaa6-a242-4620-9f72-56a11fa983d9/sv-benchmarks/c/pthread-wmm/safe012_pso.oepc_pso.opt_rmo.opt.i[1009,1022] [2021-11-23 17:19:40,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:19:40,968 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:19:40,979 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_cf25aaa6-a242-4620-9f72-56a11fa983d9/sv-benchmarks/c/pthread-wmm/safe012_pso.oepc_pso.opt_rmo.opt.i[1009,1022] [2021-11-23 17:19:41,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:19:41,076 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:19:41,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41 WrapperNode [2021-11-23 17:19:41,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:19:41,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:19:41,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:19:41,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:19:41,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41" (1/1) ... [2021-11-23 17:19:41,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41" (1/1) ... [2021-11-23 17:19:41,135 INFO L137 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 177 [2021-11-23 17:19:41,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:19:41,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:19:41,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:19:41,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:19:41,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41" (1/1) ... [2021-11-23 17:19:41,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41" (1/1) ... [2021-11-23 17:19:41,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41" (1/1) ... [2021-11-23 17:19:41,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41" (1/1) ... [2021-11-23 17:19:41,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41" (1/1) ... [2021-11-23 17:19:41,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41" (1/1) ... [2021-11-23 17:19:41,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41" (1/1) ... [2021-11-23 17:19:41,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:19:41,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:19:41,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:19:41,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:19:41,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:41" (1/1) ... [2021-11-23 17:19:41,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:19:41,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:19:41,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:19:41,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:19:41,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:19:41,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:19:41,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:19:41,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:19:41,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:19:41,314 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:19:41,314 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:19:41,315 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:19:41,315 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:19:41,315 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:19:41,315 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:19:41,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:19:41,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:19:41,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:19:41,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:19:41,318 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 17:19:41,520 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:19:41,521 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:19:42,162 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:19:42,306 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 17:19:42,311 INFO L158 Benchmark]: Toolchain (without parser) took 1896.36ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 55.8MB in the beginning and 73.2MB in the end (delta: -17.4MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2021-11-23 17:19:42,312 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory was 61.4MB in the beginning and 61.4MB in the end (delta: 25.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:19:42,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 661.85ms. Allocated memory is still 92.3MB. Free memory was 55.7MB in the beginning and 54.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:19:42,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.88ms. Allocated memory is still 92.3MB. Free memory was 54.1MB in the beginning and 51.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:19:42,315 INFO L158 Benchmark]: Boogie Preprocessor took 62.80ms. Allocated memory is still 92.3MB. Free memory was 51.6MB in the beginning and 49.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:19:42,316 INFO L158 Benchmark]: RCFGBuilder took 1096.06ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 49.3MB in the beginning and 74.0MB in the end (delta: -24.7MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2021-11-23 17:19:42,320 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory was 61.4MB in the beginning and 61.4MB in the end (delta: 25.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 661.85ms. Allocated memory is still 92.3MB. Free memory was 55.7MB in the beginning and 54.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.88ms. Allocated memory is still 92.3MB. Free memory was 54.1MB in the beginning and 51.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.80ms. Allocated memory is still 92.3MB. Free memory was 51.6MB in the beginning and 49.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1096.06ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 49.3MB in the beginning and 74.0MB in the end (delta: -24.7MB). Peak memory consumption was 20.5MB. 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 17:19:42,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/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_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/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_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe012_pso.oepc_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/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_cf25aaa6-a242-4620-9f72-56a11fa983d9/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 40c07d8b0b9ace0eb5e8218a2dd6fad770e2c982688ab22c161b74af49a1b102 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:19:44,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:19:44,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:19:44,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:19:44,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:19:44,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:19:44,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:19:44,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:19:44,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:19:44,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:19:44,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:19:44,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:19:44,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:19:44,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:19:44,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:19:44,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:19:44,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:19:44,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:19:44,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:19:44,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:19:44,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:19:44,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:19:44,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:19:44,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:19:44,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:19:44,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:19:44,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:19:44,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:19:44,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:19:44,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:19:44,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:19:44,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:19:44,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:19:44,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:19:44,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:19:44,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:19:44,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:19:44,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:19:44,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:19:44,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:19:44,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:19:44,977 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:19:45,024 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:19:45,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:19:45,024 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:19:45,025 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:19:45,025 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:19:45,026 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:19:45,026 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:19:45,026 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:19:45,026 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:19:45,026 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:19:45,027 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:19:45,027 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:19:45,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:19:45,028 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:19:45,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:19:45,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:19:45,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:19:45,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:19:45,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:19:45,029 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:19:45,029 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:19:45,029 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:19:45,029 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:19:45,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:19:45,030 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:19:45,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:19:45,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:19:45,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:19:45,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:19:45,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:19:45,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:19:45,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:19:45,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:19:45,032 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:19:45,032 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:19:45,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:19:45,032 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:19:45,033 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:19:45,033 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_cf25aaa6-a242-4620-9f72-56a11fa983d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40c07d8b0b9ace0eb5e8218a2dd6fad770e2c982688ab22c161b74af49a1b102 [2021-11-23 17:19:45,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:19:45,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:19:45,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:19:45,445 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:19:45,446 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:19:45,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/safe012_pso.oepc_pso.opt_rmo.opt.i [2021-11-23 17:19:45,524 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl/data/3cf9cf301/3544f4e304c14e22be1cf44bb7ddd26d/FLAG09a1f9e45 [2021-11-23 17:19:46,183 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:19:46,184 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/sv-benchmarks/c/pthread-wmm/safe012_pso.oepc_pso.opt_rmo.opt.i [2021-11-23 17:19:46,219 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl/data/3cf9cf301/3544f4e304c14e22be1cf44bb7ddd26d/FLAG09a1f9e45 [2021-11-23 17:19:46,408 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl/data/3cf9cf301/3544f4e304c14e22be1cf44bb7ddd26d [2021-11-23 17:19:46,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:19:46,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:19:46,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:19:46,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:19:46,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:19:46,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:19:46" (1/1) ... [2021-11-23 17:19:46,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d31fe5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:46, skipping insertion in model container [2021-11-23 17:19:46,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:19:46" (1/1) ... [2021-11-23 17:19:46,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:19:46,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:19:46,700 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_cf25aaa6-a242-4620-9f72-56a11fa983d9/sv-benchmarks/c/pthread-wmm/safe012_pso.oepc_pso.opt_rmo.opt.i[1009,1022] [2021-11-23 17:19:47,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:19:47,077 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:19:47,098 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_cf25aaa6-a242-4620-9f72-56a11fa983d9/sv-benchmarks/c/pthread-wmm/safe012_pso.oepc_pso.opt_rmo.opt.i[1009,1022] [2021-11-23 17:19:47,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:19:47,256 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:19:47,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:47 WrapperNode [2021-11-23 17:19:47,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:19:47,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:19:47,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:19:47,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:19:47,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:47" (1/1) ... [2021-11-23 17:19:47,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:47" (1/1) ... [2021-11-23 17:19:47,357 INFO L137 Inliner]: procedures = 179, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 178 [2021-11-23 17:19:47,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:19:47,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:19:47,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:19:47,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:19:47,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:47" (1/1) ... [2021-11-23 17:19:47,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:47" (1/1) ... [2021-11-23 17:19:47,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:47" (1/1) ... [2021-11-23 17:19:47,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:47" (1/1) ... [2021-11-23 17:19:47,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:47" (1/1) ... [2021-11-23 17:19:47,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:47" (1/1) ... [2021-11-23 17:19:47,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:47" (1/1) ... [2021-11-23 17:19:47,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:19:47,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:19:47,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:19:47,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:19:47,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:47" (1/1) ... [2021-11-23 17:19:47,456 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:19:47,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:19:47,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:19:47,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:19:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:19:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:19:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:19:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:19:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:19:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:19:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:19:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:19:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:19:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:19:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:19:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:19:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:19:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:19:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:19:47,539 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 17:19:47,678 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:19:47,680 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:19:48,244 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:19:48,343 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 17:19:48,348 INFO L158 Benchmark]: Toolchain (without parser) took 1934.39ms. Allocated memory is still 73.4MB. Free memory was 56.6MB in the beginning and 33.7MB in the end (delta: 22.9MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2021-11-23 17:19:48,348 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 73.4MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:19:48,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 843.77ms. Allocated memory is still 73.4MB. Free memory was 56.6MB in the beginning and 43.8MB in the end (delta: 12.8MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-11-23 17:19:48,350 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.48ms. Allocated memory is still 73.4MB. Free memory was 43.5MB in the beginning and 41.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:19:48,351 INFO L158 Benchmark]: Boogie Preprocessor took 88.66ms. Allocated memory is still 73.4MB. Free memory was 41.2MB in the beginning and 38.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:19:48,352 INFO L158 Benchmark]: RCFGBuilder took 898.09ms. Allocated memory is still 73.4MB. Free memory was 38.6MB in the beginning and 33.7MB in the end (delta: 4.9MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2021-11-23 17:19:48,356 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 73.4MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 843.77ms. Allocated memory is still 73.4MB. Free memory was 56.6MB in the beginning and 43.8MB in the end (delta: 12.8MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.48ms. Allocated memory is still 73.4MB. Free memory was 43.5MB in the beginning and 41.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.66ms. Allocated memory is still 73.4MB. Free memory was 41.2MB in the beginning and 38.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 898.09ms. Allocated memory is still 73.4MB. Free memory was 38.6MB in the beginning and 33.7MB in the end (delta: 4.9MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:19:48,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf25aaa6-a242-4620-9f72-56a11fa983d9/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