./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4 --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 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- 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-2329fc7 [2022-12-14 21:07:09,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:07:09,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:07:09,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:07:09,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:07:09,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:07:09,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:07:09,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:07:09,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:07:09,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:07:09,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:07:09,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:07:09,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:07:09,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:07:09,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:07:09,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:07:09,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:07:09,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:07:09,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:07:09,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:07:09,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:07:09,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:07:09,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:07:09,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:07:09,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:07:09,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:07:09,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:07:09,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:07:09,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:07:09,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:07:09,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:07:09,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:07:09,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:07:09,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:07:09,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:07:09,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:07:09,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:07:09,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:07:09,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:07:09,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:07:09,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:07:09,422 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 21:07:09,443 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:07:09,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:07:09,444 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:07:09,444 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:07:09,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:07:09,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:07:09,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:07:09,445 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:07:09,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:07:09,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:07:09,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:07:09,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:07:09,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:07:09,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:07:09,446 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:07:09,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:07:09,447 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:07:09,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:07:09,447 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:07:09,447 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:07:09,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:07:09,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:07:09,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:07:09,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:07:09,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:07:09,448 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:07:09,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:07:09,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:07:09,449 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_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2022-12-14 21:07:09,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:07:09,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:07:09,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:07:09,686 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:07:09,686 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:07:09,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/stack_longest-2.i [2022-12-14 21:07:12,297 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:07:12,515 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:07:12,516 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/sv-benchmarks/c/pthread/stack_longest-2.i [2022-12-14 21:07:12,529 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/data/4133107b9/c6fa4974fe2b4b04a8df366229ebab46/FLAG87e204e8d [2022-12-14 21:07:12,855 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/data/4133107b9/c6fa4974fe2b4b04a8df366229ebab46 [2022-12-14 21:07:12,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:07:12,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:07:12,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:07:12,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:07:12,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:07:12,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:07:12" (1/1) ... [2022-12-14 21:07:12,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20a8f6e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:12, skipping insertion in model container [2022-12-14 21:07:12,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:07:12" (1/1) ... [2022-12-14 21:07:12,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:07:12,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:07:13,207 WARN L237 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_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2022-12-14 21:07:13,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:07:13,243 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:07:13,282 WARN L237 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_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2022-12-14 21:07:13,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:07:13,356 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:07:13,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:13 WrapperNode [2022-12-14 21:07:13,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:07:13,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:07:13,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:07:13,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:07:13,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:13" (1/1) ... [2022-12-14 21:07:13,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:13" (1/1) ... [2022-12-14 21:07:13,402 INFO L138 Inliner]: procedures = 277, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 136 [2022-12-14 21:07:13,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:07:13,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:07:13,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:07:13,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:07:13,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:13" (1/1) ... [2022-12-14 21:07:13,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:13" (1/1) ... [2022-12-14 21:07:13,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:13" (1/1) ... [2022-12-14 21:07:13,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:13" (1/1) ... [2022-12-14 21:07:13,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:13" (1/1) ... [2022-12-14 21:07:13,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:13" (1/1) ... [2022-12-14 21:07:13,426 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:13" (1/1) ... [2022-12-14 21:07:13,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:13" (1/1) ... [2022-12-14 21:07:13,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:07:13,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:07:13,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:07:13,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:07:13,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:13" (1/1) ... [2022-12-14 21:07:13,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:07:13,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:07:13,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:07:13,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:07:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-14 21:07:13,488 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-14 21:07:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-14 21:07:13,489 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-14 21:07:13,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 21:07:13,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 21:07:13,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 21:07:13,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 21:07:13,489 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-12-14 21:07:13,489 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-12-14 21:07:13,489 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 21:07:13,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 21:07:13,490 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-12-14 21:07:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-12-14 21:07:13,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 21:07:13,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:07:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:07:13,491 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 21:07:13,598 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:07:13,600 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:07:13,785 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:07:13,793 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:07:13,793 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 21:07:13,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:07:13 BoogieIcfgContainer [2022-12-14 21:07:13,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:07:13,796 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:07:13,796 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:07:13,805 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:07:13,806 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:07:13" (1/1) ... [2022-12-14 21:07:13,806 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) [2022-12-14 21:07:13,809 INFO L158 Benchmark]: Toolchain (without parser) took 951.21ms. Allocated memory is still 174.1MB. Free memory was 122.8MB in the beginning and 115.0MB in the end (delta: 7.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2022-12-14 21:07:13,810 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory was 94.8MB in the beginning and 94.8MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:07:13,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 498.30ms. Allocated memory is still 174.1MB. Free memory was 122.5MB in the beginning and 138.3MB in the end (delta: -15.8MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2022-12-14 21:07:13,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.67ms. Allocated memory is still 174.1MB. Free memory was 138.3MB in the beginning and 135.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:07:13,811 INFO L158 Benchmark]: Boogie Preprocessor took 27.56ms. Allocated memory is still 174.1MB. Free memory was 135.3MB in the beginning and 134.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:07:13,812 INFO L158 Benchmark]: RCFGBuilder took 364.33ms. Allocated memory is still 174.1MB. Free memory was 134.1MB in the beginning and 116.5MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 21:07:13,812 INFO L158 Benchmark]: CodeCheck took 12.02ms. Allocated memory is still 174.1MB. Free memory was 116.5MB in the beginning and 115.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:07:13,816 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 0.16ms. Allocated memory is still 121.6MB. Free memory was 94.8MB in the beginning and 94.8MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 498.30ms. Allocated memory is still 174.1MB. Free memory was 122.5MB in the beginning and 138.3MB in the end (delta: -15.8MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.67ms. Allocated memory is still 174.1MB. Free memory was 138.3MB in the beginning and 135.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.56ms. Allocated memory is still 174.1MB. Free memory was 135.3MB in the beginning and 134.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.33ms. Allocated memory is still 174.1MB. Free memory was 134.1MB in the beginning and 116.5MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 12.02ms. Allocated memory is still 174.1MB. Free memory was 116.5MB in the beginning and 115.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 21:07:13,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4 --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 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- 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-2329fc7 [2022-12-14 21:07:15,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:07:15,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:07:15,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:07:15,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:07:15,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:07:15,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:07:15,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:07:15,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:07:15,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:07:15,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:07:15,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:07:15,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:07:15,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:07:15,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:07:15,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:07:15,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:07:15,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:07:15,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:07:15,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:07:15,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:07:15,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:07:15,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:07:15,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:07:15,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:07:15,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:07:15,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:07:15,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:07:15,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:07:15,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:07:15,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:07:15,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:07:15,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:07:15,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:07:15,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:07:15,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:07:15,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:07:15,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:07:15,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:07:15,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:07:15,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:07:15,696 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-12-14 21:07:15,711 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:07:15,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:07:15,712 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:07:15,712 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:07:15,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:07:15,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:07:15,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:07:15,713 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:07:15,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:07:15,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:07:15,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:07:15,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:07:15,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:07:15,714 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 21:07:15,714 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 21:07:15,714 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 21:07:15,714 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:07:15,714 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:07:15,714 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:07:15,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:07:15,714 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:07:15,715 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:07:15,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:07:15,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:07:15,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:07:15,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:07:15,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:07:15,715 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 21:07:15,716 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 21:07:15,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:07:15,716 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 21:07:15,716 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 21:07:15,716 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_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2022-12-14 21:07:15,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:07:15,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:07:15,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:07:15,943 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:07:15,943 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:07:15,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/stack_longest-2.i [2022-12-14 21:07:18,624 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:07:18,853 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:07:18,854 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/sv-benchmarks/c/pthread/stack_longest-2.i [2022-12-14 21:07:18,866 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/data/0e1256c3c/13c4785ebb834d2a9a28261dfa1f4da1/FLAG32f8ec787 [2022-12-14 21:07:18,881 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/data/0e1256c3c/13c4785ebb834d2a9a28261dfa1f4da1 [2022-12-14 21:07:18,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:07:18,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:07:18,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:07:18,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:07:18,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:07:18,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:07:18" (1/1) ... [2022-12-14 21:07:18,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e476f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:18, skipping insertion in model container [2022-12-14 21:07:18,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:07:18" (1/1) ... [2022-12-14 21:07:18,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:07:18,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:07:19,271 WARN L237 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_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2022-12-14 21:07:19,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:07:19,310 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:07:19,350 WARN L237 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_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2022-12-14 21:07:19,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:07:19,417 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:07:19,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:19 WrapperNode [2022-12-14 21:07:19,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:07:19,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:07:19,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:07:19,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:07:19,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:19" (1/1) ... [2022-12-14 21:07:19,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:19" (1/1) ... [2022-12-14 21:07:19,460 INFO L138 Inliner]: procedures = 281, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 133 [2022-12-14 21:07:19,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:07:19,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:07:19,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:07:19,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:07:19,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:19" (1/1) ... [2022-12-14 21:07:19,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:19" (1/1) ... [2022-12-14 21:07:19,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:19" (1/1) ... [2022-12-14 21:07:19,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:19" (1/1) ... [2022-12-14 21:07:19,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:19" (1/1) ... [2022-12-14 21:07:19,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:19" (1/1) ... [2022-12-14 21:07:19,481 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:19" (1/1) ... [2022-12-14 21:07:19,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:19" (1/1) ... [2022-12-14 21:07:19,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:07:19,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:07:19,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:07:19,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:07:19,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:07:19" (1/1) ... [2022-12-14 21:07:19,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:07:19,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:07:19,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:07:19,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:07:19,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 21:07:19,550 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-14 21:07:19,550 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-14 21:07:19,550 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-14 21:07:19,551 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-14 21:07:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 21:07:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 21:07:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 21:07:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 21:07:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 21:07:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-12-14 21:07:19,551 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-12-14 21:07:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 21:07:19,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 21:07:19,552 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-12-14 21:07:19,552 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-12-14 21:07:19,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:07:19,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:07:19,553 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 21:07:19,680 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:07:19,683 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:07:19,914 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:07:19,921 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:07:19,921 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 21:07:19,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:07:19 BoogieIcfgContainer [2022-12-14 21:07:19,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:07:19,924 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:07:19,924 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:07:19,933 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:07:19,933 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:07:19" (1/1) ... [2022-12-14 21:07:19,934 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) [2022-12-14 21:07:19,938 INFO L158 Benchmark]: Toolchain (without parser) took 1053.12ms. Allocated memory is still 92.3MB. Free memory was 72.3MB in the beginning and 48.3MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-14 21:07:19,938 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:07:19,939 INFO L158 Benchmark]: CACSL2BoogieTranslator took 533.23ms. Allocated memory is still 92.3MB. Free memory was 72.3MB in the beginning and 41.7MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-14 21:07:19,939 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.88ms. Allocated memory is still 92.3MB. Free memory was 41.7MB in the beginning and 70.3MB in the end (delta: -28.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 21:07:19,940 INFO L158 Benchmark]: Boogie Preprocessor took 24.41ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 68.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:07:19,941 INFO L158 Benchmark]: RCFGBuilder took 438.15ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 49.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 21:07:19,941 INFO L158 Benchmark]: CodeCheck took 11.85ms. Allocated memory is still 92.3MB. Free memory was 49.4MB in the beginning and 48.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:07:19,944 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 0.15ms. Allocated memory is still 56.6MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 533.23ms. Allocated memory is still 92.3MB. Free memory was 72.3MB in the beginning and 41.7MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.88ms. Allocated memory is still 92.3MB. Free memory was 41.7MB in the beginning and 70.3MB in the end (delta: -28.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.41ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 68.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 438.15ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 49.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 11.85ms. Allocated memory is still 92.3MB. Free memory was 49.4MB in the beginning and 48.3MB 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. [2022-12-14 21:07:19,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e12d4bb6-06db-4fde-aac2-49ce8e89d77f/bin/ukojak-rkRKPMF4O4/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