./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB --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 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:00:57,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:00:57,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:00:57,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:00:57,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:00:57,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:00:57,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:00:57,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:00:57,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:00:57,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:00:57,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:00:57,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:00:57,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:00:57,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:00:57,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:00:57,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:00:57,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:00:57,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:00:57,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:00:57,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:00:57,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:00:57,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:00:57,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:00:57,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:00:57,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:00:57,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:00:57,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:00:57,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:00:57,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:00:57,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:00:57,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:00:57,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:00:57,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:00:57,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:00:57,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:00:57,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:00:57,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:00:57,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:00:57,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:00:57,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:00:57,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:00:57,455 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:00:57,510 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:00:57,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:00:57,516 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:00:57,516 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:00:57,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:00:57,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:00:57,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:00:57,518 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:00:57,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:00:57,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:00:57,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:00:57,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:00:57,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:00:57,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:00:57,520 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:00:57,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:00:57,521 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:00:57,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:00:57,521 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:00:57,521 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:00:57,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:00:57,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:57,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:00:57,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:00:57,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:00:57,523 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:00:57,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:00:57,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:00:57,525 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_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2022-10-17 17:00:57,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:00:57,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:00:57,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:00:57,810 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:00:57,811 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:00:57,812 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/stack_longest-1.i [2022-10-17 17:00:57,883 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/data/11443c92f/1d78a148628940319e53968e3940e407/FLAG68a3ecf46 [2022-10-17 17:00:58,466 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:00:58,467 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/sv-benchmarks/c/pthread/stack_longest-1.i [2022-10-17 17:00:58,490 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/data/11443c92f/1d78a148628940319e53968e3940e407/FLAG68a3ecf46 [2022-10-17 17:00:58,703 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/data/11443c92f/1d78a148628940319e53968e3940e407 [2022-10-17 17:00:58,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:00:58,710 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:00:58,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:58,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:00:58,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:00:58,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:58" (1/1) ... [2022-10-17 17:00:58,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@740301a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:58, skipping insertion in model container [2022-10-17 17:00:58,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:58" (1/1) ... [2022-10-17 17:00:58,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:00:58,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:00:59,262 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_3007ff23-1424-4423-8cf0-c217a7a11f20/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-10-17 17:00:59,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:59,303 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:00:59,342 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_3007ff23-1424-4423-8cf0-c217a7a11f20/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-10-17 17:00:59,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:59,418 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:00:59,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:59 WrapperNode [2022-10-17 17:00:59,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:59,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:59,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:00:59,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:00:59,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:59" (1/1) ... [2022-10-17 17:00:59,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:59" (1/1) ... [2022-10-17 17:00:59,477 INFO L138 Inliner]: procedures = 277, calls = 41, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 143 [2022-10-17 17:00:59,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:59,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:00:59,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:00:59,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:00:59,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:59" (1/1) ... [2022-10-17 17:00:59,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:59" (1/1) ... [2022-10-17 17:00:59,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:59" (1/1) ... [2022-10-17 17:00:59,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:59" (1/1) ... [2022-10-17 17:00:59,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:59" (1/1) ... [2022-10-17 17:00:59,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:59" (1/1) ... [2022-10-17 17:00:59,507 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:59" (1/1) ... [2022-10-17 17:00:59,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:59" (1/1) ... [2022-10-17 17:00:59,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:00:59,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:00:59,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:00:59,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:00:59,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:59" (1/1) ... [2022-10-17 17:00:59,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:59,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:00:59,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:00:59,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:00:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 17:00:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 17:00:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 17:00:59,621 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 17:00:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:00:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:00:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:00:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:00:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-10-17 17:00:59,623 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-10-17 17:00:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 17:00:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:00:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-10-17 17:00:59,624 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-10-17 17:00:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:00:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:00:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:00:59,627 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 17:00:59,879 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:00:59,881 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:01:00,204 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:01:00,215 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:01:00,215 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:01:00,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:00 BoogieIcfgContainer [2022-10-17 17:01:00,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:01:00,233 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:01:00,233 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:01:00,254 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:01:00,254 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:00" (1/1) ... [2022-10-17 17:01:00,255 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) [2022-10-17 17:01:00,259 INFO L158 Benchmark]: Toolchain (without parser) took 1548.32ms. Allocated memory was 83.9MB in the beginning and 130.0MB in the end (delta: 46.1MB). Free memory was 57.3MB in the beginning and 95.0MB in the end (delta: -37.8MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2022-10-17 17:01:00,260 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory was 54.2MB in the beginning and 54.2MB in the end (delta: 57.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:01:00,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 704.67ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 39.2MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-10-17 17:01:00,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.21ms. Allocated memory is still 83.9MB. Free memory was 39.2MB in the beginning and 36.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:00,263 INFO L158 Benchmark]: Boogie Preprocessor took 34.68ms. Allocated memory is still 83.9MB. Free memory was 36.5MB in the beginning and 34.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:00,264 INFO L158 Benchmark]: RCFGBuilder took 717.96ms. Allocated memory was 83.9MB in the beginning and 130.0MB in the end (delta: 46.1MB). Free memory was 34.7MB in the beginning and 96.2MB in the end (delta: -61.5MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:00,265 INFO L158 Benchmark]: CodeCheck took 24.58ms. Allocated memory is still 130.0MB. Free memory was 96.2MB in the beginning and 95.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:00,269 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 0.26ms. Allocated memory is still 83.9MB. Free memory was 54.2MB in the beginning and 54.2MB in the end (delta: 57.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 704.67ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 39.2MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.21ms. Allocated memory is still 83.9MB. Free memory was 39.2MB in the beginning and 36.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.68ms. Allocated memory is still 83.9MB. Free memory was 36.5MB in the beginning and 34.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 717.96ms. Allocated memory was 83.9MB in the beginning and 130.0MB in the end (delta: 46.1MB). Free memory was 34.7MB in the beginning and 96.2MB in the end (delta: -61.5MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * CodeCheck took 24.58ms. Allocated memory is still 130.0MB. Free memory was 96.2MB in the beginning and 95.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 17:01:00,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/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_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB --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 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:01:02,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:01:02,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:01:02,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:01:02,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:01:02,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:01:02,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:01:02,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:01:02,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:01:02,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:01:02,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:01:02,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:01:02,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:01:02,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:01:02,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:01:02,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:01:02,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:01:02,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:01:02,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:01:02,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:01:02,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:01:02,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:01:02,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:01:02,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:01:02,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:01:02,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:01:02,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:01:02,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:01:02,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:01:02,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:01:02,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:01:02,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:01:02,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:01:02,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:01:02,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:01:02,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:01:02,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:01:02,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:01:02,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:01:02,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:01:02,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:01:02,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 17:01:03,007 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:01:03,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:01:03,009 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:01:03,009 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:01:03,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:01:03,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:01:03,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:01:03,012 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:01:03,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:01:03,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:01:03,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:01:03,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:01:03,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:01:03,014 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 17:01:03,014 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 17:01:03,015 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 17:01:03,015 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:01:03,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:01:03,015 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:01:03,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:01:03,016 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:01:03,016 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:01:03,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:01:03,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:03,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:01:03,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:01:03,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:01:03,018 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 17:01:03,018 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 17:01:03,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:01:03,018 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 17:01:03,018 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 17:01:03,019 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_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2022-10-17 17:01:03,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:01:03,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:01:03,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:01:03,421 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:01:03,422 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:01:03,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/stack_longest-1.i [2022-10-17 17:01:03,494 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/data/28c016e22/019fd0c6ceb3467d87e8ba6570366560/FLAG49892b833 [2022-10-17 17:01:04,056 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:01:04,056 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/sv-benchmarks/c/pthread/stack_longest-1.i [2022-10-17 17:01:04,086 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/data/28c016e22/019fd0c6ceb3467d87e8ba6570366560/FLAG49892b833 [2022-10-17 17:01:04,321 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/data/28c016e22/019fd0c6ceb3467d87e8ba6570366560 [2022-10-17 17:01:04,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:01:04,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:01:04,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:04,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:01:04,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:01:04,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:04" (1/1) ... [2022-10-17 17:01:04,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9a8d08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:04, skipping insertion in model container [2022-10-17 17:01:04,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:04" (1/1) ... [2022-10-17 17:01:04,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:01:04,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:01:05,095 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_3007ff23-1424-4423-8cf0-c217a7a11f20/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-10-17 17:01:05,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:05,165 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:01:05,228 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_3007ff23-1424-4423-8cf0-c217a7a11f20/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-10-17 17:01:05,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:05,366 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:01:05,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:05 WrapperNode [2022-10-17 17:01:05,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:05,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:05,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:01:05,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:01:05,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:05" (1/1) ... [2022-10-17 17:01:05,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:05" (1/1) ... [2022-10-17 17:01:05,452 INFO L138 Inliner]: procedures = 281, calls = 41, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 139 [2022-10-17 17:01:05,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:05,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:01:05,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:01:05,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:01:05,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:05" (1/1) ... [2022-10-17 17:01:05,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:05" (1/1) ... [2022-10-17 17:01:05,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:05" (1/1) ... [2022-10-17 17:01:05,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:05" (1/1) ... [2022-10-17 17:01:05,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:05" (1/1) ... [2022-10-17 17:01:05,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:05" (1/1) ... [2022-10-17 17:01:05,490 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:05" (1/1) ... [2022-10-17 17:01:05,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:05" (1/1) ... [2022-10-17 17:01:05,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:01:05,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:01:05,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:01:05,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:01:05,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:05" (1/1) ... [2022-10-17 17:01:05,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:05,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:01:05,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:01:05,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:01:05,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 17:01:05,604 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 17:01:05,604 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 17:01:05,605 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 17:01:05,605 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 17:01:05,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:01:05,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:01:05,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 17:01:05,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 17:01:05,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-10-17 17:01:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-10-17 17:01:05,606 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-10-17 17:01:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 17:01:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:01:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-10-17 17:01:05,606 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-10-17 17:01:05,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:01:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:01:05,608 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 17:01:05,882 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:01:05,884 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:01:06,237 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:01:06,248 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:01:06,264 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:01:06,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:06 BoogieIcfgContainer [2022-10-17 17:01:06,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:01:06,268 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:01:06,268 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:01:06,279 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:01:06,279 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:06" (1/1) ... [2022-10-17 17:01:06,280 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) [2022-10-17 17:01:06,284 INFO L158 Benchmark]: Toolchain (without parser) took 1956.84ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 33.5MB in the beginning and 42.5MB in the end (delta: -8.9MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2022-10-17 17:01:06,284 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 58.7MB. Free memory was 38.6MB in the beginning and 38.6MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:01:06,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1040.62ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 33.2MB in the beginning and 49.0MB in the end (delta: -15.7MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-10-17 17:01:06,286 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.84ms. Allocated memory is still 71.3MB. Free memory was 49.0MB in the beginning and 46.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:06,287 INFO L158 Benchmark]: Boogie Preprocessor took 53.77ms. Allocated memory is still 71.3MB. Free memory was 46.2MB in the beginning and 44.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:06,288 INFO L158 Benchmark]: RCFGBuilder took 759.31ms. Allocated memory is still 71.3MB. Free memory was 44.0MB in the beginning and 43.3MB in the end (delta: 630.1kB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2022-10-17 17:01:06,289 INFO L158 Benchmark]: CodeCheck took 13.93ms. Allocated memory is still 71.3MB. Free memory was 43.3MB in the beginning and 42.5MB in the end (delta: 881.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:01:06,293 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 0.32ms. Allocated memory is still 58.7MB. Free memory was 38.6MB in the beginning and 38.6MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1040.62ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 33.2MB in the beginning and 49.0MB in the end (delta: -15.7MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.84ms. Allocated memory is still 71.3MB. Free memory was 49.0MB in the beginning and 46.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.77ms. Allocated memory is still 71.3MB. Free memory was 46.2MB in the beginning and 44.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 759.31ms. Allocated memory is still 71.3MB. Free memory was 44.0MB in the beginning and 43.3MB in the end (delta: 630.1kB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * CodeCheck took 13.93ms. Allocated memory is still 71.3MB. Free memory was 43.3MB in the beginning and 42.5MB in the end (delta: 881.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 17:01:06,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3007ff23-1424-4423-8cf0-c217a7a11f20/bin/ukojak-92XMlrwhuB/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