./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ --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 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:10:21,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:10:21,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:10:21,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:10:21,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:10:21,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:10:21,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:10:21,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:10:21,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:10:21,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:10:21,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:10:21,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:10:21,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:10:21,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:10:21,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:10:21,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:10:21,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:10:21,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:10:21,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:10:21,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:10:21,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:10:21,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:10:21,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:10:21,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:10:21,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:10:21,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:10:21,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:10:21,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:10:21,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:10:21,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:10:21,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:10:21,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:10:21,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:10:21,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:10:21,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:10:21,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:10:21,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:10:21,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:10:21,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:10:21,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:10:21,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:10:21,568 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:10:21,619 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:10:21,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:10:21,624 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:10:21,625 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:10:21,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:10:21,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:10:21,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:10:21,627 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:10:21,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:10:21,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:10:21,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:10:21,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:10:21,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:10:21,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:10:21,630 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:10:21,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:10:21,631 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:10:21,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:10:21,631 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:10:21,631 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:10:21,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:10:21,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:10:21,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:10:21,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:10:21,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:10:21,633 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:10:21,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:10:21,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:10:21,634 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_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2021-11-23 01:10:21,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:10:21,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:10:21,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:10:21,992 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:10:21,993 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:10:21,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread/stack-2.i [2021-11-23 01:10:22,099 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/data/49df5b473/1793b152a9744453a1fb438a71177711/FLAG1c6b3e862 [2021-11-23 01:10:22,715 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:10:22,717 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/sv-benchmarks/c/pthread/stack-2.i [2021-11-23 01:10:22,736 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/data/49df5b473/1793b152a9744453a1fb438a71177711/FLAG1c6b3e862 [2021-11-23 01:10:22,941 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/data/49df5b473/1793b152a9744453a1fb438a71177711 [2021-11-23 01:10:22,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:10:22,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:10:22,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:10:22,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:10:22,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:10:22,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:10:22" (1/1) ... [2021-11-23 01:10:22,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6519c5b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:22, skipping insertion in model container [2021-11-23 01:10:22,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:10:22" (1/1) ... [2021-11-23 01:10:22,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:10:23,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:10:23,518 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_1f785d9a-7c80-419c-beb8-8b34a1353afe/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2021-11-23 01:10:23,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:10:23,589 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:10:23,653 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_1f785d9a-7c80-419c-beb8-8b34a1353afe/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2021-11-23 01:10:23,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:10:23,762 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:10:23,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:23 WrapperNode [2021-11-23 01:10:23,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:10:23,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:10:23,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:10:23,766 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:10:23,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:23" (1/1) ... [2021-11-23 01:10:23,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:23" (1/1) ... [2021-11-23 01:10:23,856 INFO L137 Inliner]: procedures = 277, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 147 [2021-11-23 01:10:23,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:10:23,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:10:23,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:10:23,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:10:23,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:23" (1/1) ... [2021-11-23 01:10:23,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:23" (1/1) ... [2021-11-23 01:10:23,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:23" (1/1) ... [2021-11-23 01:10:23,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:23" (1/1) ... [2021-11-23 01:10:23,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:23" (1/1) ... [2021-11-23 01:10:23,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:23" (1/1) ... [2021-11-23 01:10:23,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:23" (1/1) ... [2021-11-23 01:10:23,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:10:23,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:10:23,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:10:23,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:10:23,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:23" (1/1) ... [2021-11-23 01:10:23,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:10:23,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:10:23,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:10:23,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:10:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 01:10:24,005 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 01:10:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 01:10:24,005 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 01:10:24,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:10:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:10:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:10:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:10:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-23 01:10:24,006 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-23 01:10:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 01:10:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:10:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 01:10:24,006 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 01:10:24,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:10:24,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:10:24,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:10:24,008 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 01:10:24,135 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:10:24,137 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:10:24,424 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:10:24,435 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:10:24,435 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:10:24,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:10:24 BoogieIcfgContainer [2021-11-23 01:10:24,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:10:24,440 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:10:24,440 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:10:24,451 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:10:24,451 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:10:24" (1/1) ... [2021-11-23 01:10:24,452 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 01:10:24,457 INFO L158 Benchmark]: Toolchain (without parser) took 1509.38ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 55.1MB in the beginning and 89.6MB in the end (delta: -34.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:10:24,458 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 63.0MB in the end (delta: 24.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:10:24,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 813.98ms. Allocated memory is still 92.3MB. Free memory was 54.9MB in the beginning and 46.2MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:10:24,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.63ms. Allocated memory is still 92.3MB. Free memory was 46.2MB in the beginning and 43.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:10:24,461 INFO L158 Benchmark]: Boogie Preprocessor took 61.45ms. Allocated memory is still 92.3MB. Free memory was 43.5MB in the beginning and 42.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:10:24,462 INFO L158 Benchmark]: RCFGBuilder took 519.14ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 41.7MB in the beginning and 90.5MB in the end (delta: -48.8MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-11-23 01:10:24,463 INFO L158 Benchmark]: CodeCheck took 15.55ms. Allocated memory is still 125.8MB. Free memory was 90.5MB in the beginning and 89.6MB in the end (delta: 861.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:10:24,468 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 63.0MB in the end (delta: 24.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 813.98ms. Allocated memory is still 92.3MB. Free memory was 54.9MB in the beginning and 46.2MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.63ms. Allocated memory is still 92.3MB. Free memory was 46.2MB in the beginning and 43.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.45ms. Allocated memory is still 92.3MB. Free memory was 43.5MB in the beginning and 42.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 519.14ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 41.7MB in the beginning and 90.5MB in the end (delta: -48.8MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * CodeCheck took 15.55ms. Allocated memory is still 125.8MB. Free memory was 90.5MB in the beginning and 89.6MB in the end (delta: 861.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:10:24,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/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_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ --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 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:10:27,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:10:27,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:10:27,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:10:27,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:10:27,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:10:27,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:10:27,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:10:27,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:10:27,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:10:27,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:10:27,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:10:27,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:10:27,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:10:27,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:10:27,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:10:27,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:10:27,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:10:27,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:10:27,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:10:27,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:10:27,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:10:27,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:10:27,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:10:27,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:10:27,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:10:27,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:10:27,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:10:27,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:10:27,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:10:27,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:10:27,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:10:27,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:10:27,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:10:27,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:10:27,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:10:27,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:10:27,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:10:27,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:10:27,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:10:27,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:10:27,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:10:27,279 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:10:27,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:10:27,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:10:27,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:10:27,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:10:27,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:10:27,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:10:27,284 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:10:27,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:10:27,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:10:27,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:10:27,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:10:27,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:10:27,286 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:10:27,287 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:10:27,287 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:10:27,287 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:10:27,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:10:27,287 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:10:27,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:10:27,288 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:10:27,288 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:10:27,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:10:27,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:10:27,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:10:27,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:10:27,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:10:27,290 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:10:27,290 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:10:27,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:10:27,290 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:10:27,291 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:10:27,291 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_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2021-11-23 01:10:27,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:10:27,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:10:27,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:10:27,739 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:10:27,740 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:10:27,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread/stack-2.i [2021-11-23 01:10:27,817 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/data/216efc7a9/7f9a246e4863433b9e3eb14b73d2018c/FLAGe09dc7b7a [2021-11-23 01:10:28,639 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:10:28,640 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/sv-benchmarks/c/pthread/stack-2.i [2021-11-23 01:10:28,670 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/data/216efc7a9/7f9a246e4863433b9e3eb14b73d2018c/FLAGe09dc7b7a [2021-11-23 01:10:28,863 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/data/216efc7a9/7f9a246e4863433b9e3eb14b73d2018c [2021-11-23 01:10:28,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:10:28,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:10:28,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:10:28,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:10:28,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:10:28,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:10:28" (1/1) ... [2021-11-23 01:10:28,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f7ea9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:28, skipping insertion in model container [2021-11-23 01:10:28,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:10:28" (1/1) ... [2021-11-23 01:10:28,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:10:28,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:10:29,469 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_1f785d9a-7c80-419c-beb8-8b34a1353afe/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2021-11-23 01:10:29,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:10:29,518 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:10:29,565 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_1f785d9a-7c80-419c-beb8-8b34a1353afe/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2021-11-23 01:10:29,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:10:29,665 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:10:29,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:29 WrapperNode [2021-11-23 01:10:29,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:10:29,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:10:29,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:10:29,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:10:29,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:29" (1/1) ... [2021-11-23 01:10:29,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:29" (1/1) ... [2021-11-23 01:10:29,729 INFO L137 Inliner]: procedures = 281, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 143 [2021-11-23 01:10:29,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:10:29,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:10:29,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:10:29,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:10:29,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:29" (1/1) ... [2021-11-23 01:10:29,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:29" (1/1) ... [2021-11-23 01:10:29,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:29" (1/1) ... [2021-11-23 01:10:29,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:29" (1/1) ... [2021-11-23 01:10:29,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:29" (1/1) ... [2021-11-23 01:10:29,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:29" (1/1) ... [2021-11-23 01:10:29,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:29" (1/1) ... [2021-11-23 01:10:29,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:10:29,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:10:29,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:10:29,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:10:29,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:29" (1/1) ... [2021-11-23 01:10:29,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:10:29,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:10:29,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:10:29,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:10:29,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:10:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 01:10:29,877 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 01:10:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 01:10:29,877 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 01:10:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:10:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:10:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:10:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:10:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 01:10:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-23 01:10:29,879 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-23 01:10:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 01:10:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:10:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 01:10:29,879 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 01:10:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:10:29,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:10:29,882 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 01:10:30,019 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:10:30,022 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:10:30,370 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:10:30,381 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:10:30,381 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:10:30,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:10:30 BoogieIcfgContainer [2021-11-23 01:10:30,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:10:30,384 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:10:30,385 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:10:30,395 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:10:30,395 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:10:30" (1/1) ... [2021-11-23 01:10:30,396 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 01:10:30,400 INFO L158 Benchmark]: Toolchain (without parser) took 1529.81ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 29.0MB in the beginning and 47.0MB in the end (delta: -18.0MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2021-11-23 01:10:30,400 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 54.5MB. Free memory was 36.2MB in the beginning and 36.1MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:10:30,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 794.42ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 28.8MB in the beginning and 49.7MB in the end (delta: -21.0MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2021-11-23 01:10:30,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.89ms. Allocated memory is still 71.3MB. Free memory was 49.7MB in the beginning and 47.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:10:30,403 INFO L158 Benchmark]: Boogie Preprocessor took 55.15ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 45.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:10:30,404 INFO L158 Benchmark]: RCFGBuilder took 594.08ms. Allocated memory is still 71.3MB. Free memory was 45.0MB in the beginning and 48.0MB in the end (delta: -3.0MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-11-23 01:10:30,405 INFO L158 Benchmark]: CodeCheck took 13.15ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 47.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:10:30,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 54.5MB. Free memory was 36.2MB in the beginning and 36.1MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 794.42ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 28.8MB in the beginning and 49.7MB in the end (delta: -21.0MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.89ms. Allocated memory is still 71.3MB. Free memory was 49.7MB in the beginning and 47.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.15ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 45.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 594.08ms. Allocated memory is still 71.3MB. Free memory was 45.0MB in the beginning and 48.0MB in the end (delta: -3.0MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * CodeCheck took 13.15ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 47.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:10:30,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f785d9a-7c80-419c-beb8-8b34a1353afe/bin/ukojak-LBtLqBUTdQ/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: Concurrent programs are currently unsupported