./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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-6b4ec56 [2022-11-20 16:55:50,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:55:50,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:55:50,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:55:50,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:55:50,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:55:50,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:55:50,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:55:50,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:55:50,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:55:50,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:55:50,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:55:50,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:55:50,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:55:50,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:55:50,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:55:50,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:55:50,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:55:50,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:55:50,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:55:50,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:55:50,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:55:50,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:55:50,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:55:50,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:55:50,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:55:50,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:55:50,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:55:50,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:55:50,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:55:50,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:55:50,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:55:50,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:55:50,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:55:50,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:55:50,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:55:50,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:55:50,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:55:50,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:55:50,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:55:50,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:55:50,838 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 16:55:50,872 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:55:50,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:55:50,873 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:55:50,873 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:55:50,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:55:50,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:55:50,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:55:50,874 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:55:50,875 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:55:50,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:55:50,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:55:50,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:55:50,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:55:50,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:55:50,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:55:50,876 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:55:50,876 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:55:50,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:55:50,876 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:55:50,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:55:50,877 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:55:50,877 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:55:50,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:55:50,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:55:50,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:55:50,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:55:50,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:55:50,878 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:55:50,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:55:50,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:55:50,878 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_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2022-11-20 16:55:51,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:55:51,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:55:51,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:55:51,217 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:55:51,218 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:55:51,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/stack_longest-1.i [2022-11-20 16:55:54,298 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:55:54,597 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:55:54,598 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/sv-benchmarks/c/pthread/stack_longest-1.i [2022-11-20 16:55:54,618 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/data/9920c744d/07ec1e6bc1484a2caf8f4768dd492307/FLAG0ab4bf424 [2022-11-20 16:55:54,632 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/data/9920c744d/07ec1e6bc1484a2caf8f4768dd492307 [2022-11-20 16:55:54,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:55:54,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:55:54,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:55:54,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:55:54,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:55:54,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:55:54" (1/1) ... [2022-11-20 16:55:54,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@529c5102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:54, skipping insertion in model container [2022-11-20 16:55:54,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:55:54" (1/1) ... [2022-11-20 16:55:54,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:55:54,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:55:55,293 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_e34b80f0-2f1a-46c7-8036-6d044175913e/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-11-20 16:55:55,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:55:55,350 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:55:55,406 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_e34b80f0-2f1a-46c7-8036-6d044175913e/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-11-20 16:55:55,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:55:55,546 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:55:55,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:55 WrapperNode [2022-11-20 16:55:55,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:55:55,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:55:55,550 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:55:55,551 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:55:55,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:55" (1/1) ... [2022-11-20 16:55:55,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:55" (1/1) ... [2022-11-20 16:55:55,634 INFO L138 Inliner]: procedures = 277, calls = 39, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 149 [2022-11-20 16:55:55,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:55:55,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:55:55,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:55:55,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:55:55,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:55" (1/1) ... [2022-11-20 16:55:55,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:55" (1/1) ... [2022-11-20 16:55:55,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:55" (1/1) ... [2022-11-20 16:55:55,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:55" (1/1) ... [2022-11-20 16:55:55,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:55" (1/1) ... [2022-11-20 16:55:55,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:55" (1/1) ... [2022-11-20 16:55:55,662 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:55" (1/1) ... [2022-11-20 16:55:55,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:55" (1/1) ... [2022-11-20 16:55:55,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:55:55,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:55:55,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:55:55,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:55:55,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:55:55" (1/1) ... [2022-11-20 16:55:55,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:55:55,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:55:55,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:55:55,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:55:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 16:55:55,745 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 16:55:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 16:55:55,746 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 16:55:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:55:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:55:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:55:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:55:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-11-20 16:55:55,746 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-11-20 16:55:55,747 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 16:55:55,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:55:55,747 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-11-20 16:55:55,747 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-11-20 16:55:55,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:55:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:55:55,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:55:55,749 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 16:55:55,898 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:55:55,900 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:55:56,303 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:55:56,312 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:55:56,312 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:55:56,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:55:56 BoogieIcfgContainer [2022-11-20 16:55:56,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:55:56,324 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:55:56,324 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:55:56,335 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:55:56,335 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:55:56" (1/1) ... [2022-11-20 16:55:56,336 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) [2022-11-20 16:55:56,340 INFO L158 Benchmark]: Toolchain (without parser) took 1703.38ms. Allocated memory is still 142.6MB. Free memory was 81.5MB in the beginning and 88.8MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:55:56,341 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory was 69.5MB in the beginning and 69.3MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:55:56,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 911.23ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 112.5MB in the end (delta: -31.3MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2022-11-20 16:55:56,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.56ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 109.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:55:56,343 INFO L158 Benchmark]: Boogie Preprocessor took 31.29ms. Allocated memory is still 142.6MB. Free memory was 109.8MB in the beginning and 108.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:55:56,344 INFO L158 Benchmark]: RCFGBuilder took 656.37ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 89.9MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 16:55:56,345 INFO L158 Benchmark]: CodeCheck took 14.89ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 88.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:55:56,348 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 0.31ms. Allocated memory is still 115.3MB. Free memory was 69.5MB in the beginning and 69.3MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 911.23ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 112.5MB in the end (delta: -31.3MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.56ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 109.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.29ms. Allocated memory is still 142.6MB. Free memory was 109.8MB in the beginning and 108.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 656.37ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 89.9MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 14.89ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 88.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 16:55:56,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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-6b4ec56 [2022-11-20 16:55:58,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:55:58,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:55:58,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:55:58,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:55:58,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:55:58,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:55:58,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:55:58,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:55:59,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:55:59,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:55:59,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:55:59,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:55:59,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:55:59,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:55:59,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:55:59,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:55:59,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:55:59,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:55:59,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:55:59,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:55:59,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:55:59,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:55:59,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:55:59,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:55:59,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:55:59,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:55:59,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:55:59,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:55:59,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:55:59,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:55:59,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:55:59,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:55:59,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:55:59,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:55:59,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:55:59,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:55:59,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:55:59,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:55:59,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:55:59,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:55:59,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 16:55:59,136 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:55:59,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:55:59,139 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:55:59,140 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:55:59,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:55:59,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:55:59,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:55:59,141 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:55:59,142 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:55:59,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:55:59,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:55:59,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:55:59,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:55:59,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:55:59,144 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 16:55:59,144 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 16:55:59,145 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:55:59,145 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 16:55:59,145 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:55:59,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:55:59,146 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:55:59,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:55:59,146 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:55:59,146 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:55:59,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:55:59,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:55:59,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:55:59,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:55:59,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:55:59,148 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 16:55:59,148 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 16:55:59,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:55:59,149 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 16:55:59,149 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 16:55:59,149 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_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2022-11-20 16:55:59,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:55:59,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:55:59,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:55:59,681 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:55:59,681 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:55:59,683 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/stack_longest-1.i [2022-11-20 16:56:03,055 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:56:03,524 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:56:03,525 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/sv-benchmarks/c/pthread/stack_longest-1.i [2022-11-20 16:56:03,555 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/data/b969f1e65/142fbc1ed7e64d09b7f95b0a5afb7409/FLAG694ad0ef4 [2022-11-20 16:56:03,579 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/data/b969f1e65/142fbc1ed7e64d09b7f95b0a5afb7409 [2022-11-20 16:56:03,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:56:03,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:56:03,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:56:03,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:56:03,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:56:03,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:56:03" (1/1) ... [2022-11-20 16:56:03,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c59d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:03, skipping insertion in model container [2022-11-20 16:56:03,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:56:03" (1/1) ... [2022-11-20 16:56:03,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:56:03,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:56:04,425 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_e34b80f0-2f1a-46c7-8036-6d044175913e/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-11-20 16:56:04,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:56:04,490 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:56:04,563 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_e34b80f0-2f1a-46c7-8036-6d044175913e/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-11-20 16:56:04,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:56:04,727 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:56:04,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:04 WrapperNode [2022-11-20 16:56:04,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:56:04,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:56:04,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:56:04,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:56:04,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:04" (1/1) ... [2022-11-20 16:56:04,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:04" (1/1) ... [2022-11-20 16:56:04,836 INFO L138 Inliner]: procedures = 281, calls = 39, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 145 [2022-11-20 16:56:04,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:56:04,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:56:04,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:56:04,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:56:04,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:04" (1/1) ... [2022-11-20 16:56:04,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:04" (1/1) ... [2022-11-20 16:56:04,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:04" (1/1) ... [2022-11-20 16:56:04,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:04" (1/1) ... [2022-11-20 16:56:04,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:04" (1/1) ... [2022-11-20 16:56:04,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:04" (1/1) ... [2022-11-20 16:56:04,897 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:04" (1/1) ... [2022-11-20 16:56:04,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:04" (1/1) ... [2022-11-20 16:56:04,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:56:04,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:56:04,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:56:04,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:56:04,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:04" (1/1) ... [2022-11-20 16:56:04,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:56:04,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:56:04,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:56:04,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:56:05,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 16:56:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 16:56:05,013 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 16:56:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 16:56:05,014 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 16:56:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:56:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:56:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 16:56:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 16:56:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 16:56:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-11-20 16:56:05,015 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-11-20 16:56:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 16:56:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:56:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-11-20 16:56:05,016 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-11-20 16:56:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:56:05,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:56:05,019 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 16:56:05,244 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:56:05,255 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:56:05,704 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:56:05,715 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:56:05,715 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:56:05,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:56:05 BoogieIcfgContainer [2022-11-20 16:56:05,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:56:05,719 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:56:05,719 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:56:05,732 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:56:05,733 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:56:05" (1/1) ... [2022-11-20 16:56:05,734 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) [2022-11-20 16:56:05,739 INFO L158 Benchmark]: Toolchain (without parser) took 2154.47ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 54.6MB in the beginning and 72.9MB in the end (delta: -18.3MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2022-11-20 16:56:05,739 INFO L158 Benchmark]: CDTParser took 3.00ms. Allocated memory is still 77.6MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:56:05,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1142.45ms. Allocated memory is still 77.6MB. Free memory was 54.6MB in the beginning and 46.8MB in the end (delta: 7.7MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2022-11-20 16:56:05,741 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.13ms. Allocated memory is still 77.6MB. Free memory was 46.8MB in the beginning and 44.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:56:05,742 INFO L158 Benchmark]: Boogie Preprocessor took 65.97ms. Allocated memory is still 77.6MB. Free memory was 44.2MB in the beginning and 42.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:56:05,742 INFO L158 Benchmark]: RCFGBuilder took 812.59ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 41.8MB in the beginning and 74.1MB in the end (delta: -32.3MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2022-11-20 16:56:05,743 INFO L158 Benchmark]: CodeCheck took 17.75ms. Allocated memory is still 107.0MB. Free memory was 74.1MB in the beginning and 72.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:56:05,754 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 3.00ms. Allocated memory is still 77.6MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1142.45ms. Allocated memory is still 77.6MB. Free memory was 54.6MB in the beginning and 46.8MB in the end (delta: 7.7MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.13ms. Allocated memory is still 77.6MB. Free memory was 46.8MB in the beginning and 44.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 65.97ms. Allocated memory is still 77.6MB. Free memory was 44.2MB in the beginning and 42.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 812.59ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 41.8MB in the beginning and 74.1MB in the end (delta: -32.3MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * CodeCheck took 17.75ms. Allocated memory is still 107.0MB. Free memory was 74.1MB in the beginning and 72.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 16:56:05,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34b80f0-2f1a-46c7-8036-6d044175913e/bin/ukojak-pZX7IvK2PQ/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