./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi006_power.oepc.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_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi006_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 35f6655b445fc5bf4a2ebfcafed490ee38fb52115875b19e3a717aa5f56b5e77 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:56,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:56,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:56,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:56,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:56,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:56,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:56,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:56,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:56,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:56,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:56,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:56,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:56,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:56,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:56,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:56,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:56,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:56,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:56,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:56,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:56,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:56,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:56,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:56,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:56,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:56,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:56,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:56,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:56,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:56,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:56,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:56,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:56,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:56,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:56,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:56,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:56,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:56,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:56,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:56,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:56,511 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:54:56,559 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:56,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:56,560 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:56,561 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:56,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:56,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:56,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:56,563 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:56,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:54:56,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:56,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:56,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:56,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:56,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:56,565 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:56,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:56,565 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:56,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:56,566 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:56,566 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:56,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:56,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:56,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:56,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:56,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:56,568 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:54:56,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:54:56,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:56,569 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35f6655b445fc5bf4a2ebfcafed490ee38fb52115875b19e3a717aa5f56b5e77 [2021-11-23 15:54:56,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:56,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:56,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:56,971 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:56,972 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:56,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-wmm/rfi006_power.oepc.i [2021-11-23 15:54:57,070 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/data/e6264b2c2/dc955384d1b643e287ab796c29100f57/FLAGde8b0c095 [2021-11-23 15:54:57,863 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:57,864 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/sv-benchmarks/c/pthread-wmm/rfi006_power.oepc.i [2021-11-23 15:54:57,883 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/data/e6264b2c2/dc955384d1b643e287ab796c29100f57/FLAGde8b0c095 [2021-11-23 15:54:58,058 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/data/e6264b2c2/dc955384d1b643e287ab796c29100f57 [2021-11-23 15:54:58,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:58,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:58,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:58,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:58,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:58,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@422aae86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58, skipping insertion in model container [2021-11-23 15:54:58,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:58,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:58,360 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_ef0134bd-7e11-406e-abb2-04128a0922b1/sv-benchmarks/c/pthread-wmm/rfi006_power.oepc.i[994,1007] [2021-11-23 15:54:58,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:58,597 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:58,624 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_ef0134bd-7e11-406e-abb2-04128a0922b1/sv-benchmarks/c/pthread-wmm/rfi006_power.oepc.i[994,1007] [2021-11-23 15:54:58,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:58,781 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:58,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58 WrapperNode [2021-11-23 15:54:58,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:58,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:58,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:58,786 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:58,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,880 INFO L137 Inliner]: procedures = 176, calls = 75, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 152 [2021-11-23 15:54:58,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:58,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:58,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:58,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:58,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:58,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:58,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:58,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:58,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:58,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:58,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:59,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:59,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:54:59,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:54:59,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:54:59,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:59,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:54:59,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:54:59,036 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 15:54:59,036 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 15:54:59,037 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 15:54:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 15:54:59,037 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 15:54:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 15:54:59,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:54:59,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:54:59,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:59,040 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 15:54:59,268 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:59,270 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:00,062 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:00,209 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 15:55:00,214 INFO L158 Benchmark]: Toolchain (without parser) took 2148.12ms. Allocated memory is still 125.8MB. Free memory was 91.3MB in the beginning and 76.3MB in the end (delta: 15.0MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:00,215 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory was 40.0MB in the beginning and 40.0MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:00,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 713.52ms. Allocated memory is still 125.8MB. Free memory was 91.0MB in the beginning and 86.9MB in the end (delta: 4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:00,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.55ms. Allocated memory is still 125.8MB. Free memory was 86.9MB in the beginning and 84.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:00,219 INFO L158 Benchmark]: Boogie Preprocessor took 45.33ms. Allocated memory is still 125.8MB. Free memory was 84.3MB in the beginning and 81.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:00,220 INFO L158 Benchmark]: RCFGBuilder took 1284.67ms. Allocated memory is still 125.8MB. Free memory was 81.5MB in the beginning and 76.3MB in the end (delta: 5.3MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:00,229 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory was 40.0MB in the beginning and 40.0MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 713.52ms. Allocated memory is still 125.8MB. Free memory was 91.0MB in the beginning and 86.9MB in the end (delta: 4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.55ms. Allocated memory is still 125.8MB. Free memory was 86.9MB in the beginning and 84.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.33ms. Allocated memory is still 125.8MB. Free memory was 84.3MB in the beginning and 81.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1284.67ms. Allocated memory is still 125.8MB. Free memory was 81.5MB in the beginning and 76.3MB in the end (delta: 5.3MB). Peak memory consumption was 25.1MB. 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 15:55:00,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi006_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 35f6655b445fc5bf4a2ebfcafed490ee38fb52115875b19e3a717aa5f56b5e77 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:02,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:02,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:02,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:02,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:02,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:02,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:02,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:02,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:02,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:02,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:02,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:02,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:02,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:02,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:02,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:02,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:02,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:02,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:02,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:02,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:02,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:02,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:02,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:02,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:02,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:02,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:02,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:02,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:02,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:02,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:02,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:02,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:02,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:02,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:02,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:02,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:02,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:02,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:02,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:02,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:02,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:02,830 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:02,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:02,831 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:02,831 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:02,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:02,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:02,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:02,832 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:02,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:02,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:02,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:02,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:02,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:02,834 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:02,834 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:02,834 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:02,834 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:02,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:02,834 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:02,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:02,835 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:02,835 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:02,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:02,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:02,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:02,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:02,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:02,836 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:02,836 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:02,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:02,837 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:02,837 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:02,837 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_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35f6655b445fc5bf4a2ebfcafed490ee38fb52115875b19e3a717aa5f56b5e77 [2021-11-23 15:55:03,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:03,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:03,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:03,282 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:03,283 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:03,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-wmm/rfi006_power.oepc.i [2021-11-23 15:55:03,369 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/data/a51020322/242bab6b29384374bf71b8963edfdbff/FLAGdfb385ec0 [2021-11-23 15:55:04,052 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:04,052 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/sv-benchmarks/c/pthread-wmm/rfi006_power.oepc.i [2021-11-23 15:55:04,081 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/data/a51020322/242bab6b29384374bf71b8963edfdbff/FLAGdfb385ec0 [2021-11-23 15:55:04,272 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/data/a51020322/242bab6b29384374bf71b8963edfdbff [2021-11-23 15:55:04,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:04,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:04,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:04,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:04,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:04,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:04" (1/1) ... [2021-11-23 15:55:04,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9f337f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:04, skipping insertion in model container [2021-11-23 15:55:04,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:04" (1/1) ... [2021-11-23 15:55:04,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:04,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:04,570 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_ef0134bd-7e11-406e-abb2-04128a0922b1/sv-benchmarks/c/pthread-wmm/rfi006_power.oepc.i[994,1007] [2021-11-23 15:55:04,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:04,934 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:04,949 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_ef0134bd-7e11-406e-abb2-04128a0922b1/sv-benchmarks/c/pthread-wmm/rfi006_power.oepc.i[994,1007] [2021-11-23 15:55:05,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:05,066 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:05,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05 WrapperNode [2021-11-23 15:55:05,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:05,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:05,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:05,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:05,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05" (1/1) ... [2021-11-23 15:55:05,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05" (1/1) ... [2021-11-23 15:55:05,134 INFO L137 Inliner]: procedures = 180, calls = 75, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 153 [2021-11-23 15:55:05,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:05,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:05,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:05,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:05,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05" (1/1) ... [2021-11-23 15:55:05,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05" (1/1) ... [2021-11-23 15:55:05,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05" (1/1) ... [2021-11-23 15:55:05,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05" (1/1) ... [2021-11-23 15:55:05,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05" (1/1) ... [2021-11-23 15:55:05,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05" (1/1) ... [2021-11-23 15:55:05,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05" (1/1) ... [2021-11-23 15:55:05,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:05,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:05,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:05,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:05,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:05" (1/1) ... [2021-11-23 15:55:05,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:05,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:05,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:05,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:05,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:55:05,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:55:05,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:05,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:55:05,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:05,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:55:05,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:05,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:55:05,326 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 15:55:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 15:55:05,328 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 15:55:05,328 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 15:55:05,328 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 15:55:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 15:55:05,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:55:05,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:05,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:05,331 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 15:55:05,562 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:05,564 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:06,426 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:06,561 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 15:55:06,568 INFO L158 Benchmark]: Toolchain (without parser) took 2289.65ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 42.8MB in the beginning and 49.8MB in the end (delta: -7.0MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:06,568 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 65.0MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:06,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 790.12ms. Allocated memory is still 65.0MB. Free memory was 42.6MB in the beginning and 32.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:06,571 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.06ms. Allocated memory is still 65.0MB. Free memory was 32.4MB in the beginning and 29.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:06,572 INFO L158 Benchmark]: Boogie Preprocessor took 103.07ms. Allocated memory is still 65.0MB. Free memory was 29.9MB in the beginning and 45.6MB in the end (delta: -15.8MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:06,573 INFO L158 Benchmark]: RCFGBuilder took 1325.69ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 45.6MB in the beginning and 49.8MB in the end (delta: -4.2MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2021-11-23 15:55:06,576 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 65.0MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 790.12ms. Allocated memory is still 65.0MB. Free memory was 42.6MB in the beginning and 32.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.06ms. Allocated memory is still 65.0MB. Free memory was 32.4MB in the beginning and 29.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.07ms. Allocated memory is still 65.0MB. Free memory was 29.9MB in the beginning and 45.6MB in the end (delta: -15.8MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1325.69ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 45.6MB in the beginning and 49.8MB in the end (delta: -4.2MB). Peak memory consumption was 25.0MB. 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 15:55:06,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef0134bd-7e11-406e-abb2-04128a0922b1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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