./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN --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 --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:55:16,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:55:16,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:55:16,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:55:16,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:55:16,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:55:16,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:55:16,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:55:16,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:55:16,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:55:16,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:55:16,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:55:16,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:55:16,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:55:16,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:55:16,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:55:16,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:55:16,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:55:16,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:55:16,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:55:16,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:55:16,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:55:16,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:55:16,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:55:16,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:55:16,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:55:16,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:55:16,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:55:16,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:55:16,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:55:16,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:55:16,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:55:16,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:55:16,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:55:16,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:55:16,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:55:16,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:55:16,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:55:16,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:55:16,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:55:16,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:55:16,785 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 05:55:16,834 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:55:16,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:55:16,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:55:16,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:55:16,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:55:16,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:55:16,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:55:16,840 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:55:16,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:55:16,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:55:16,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:55:16,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:55:16,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:55:16,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:55:16,849 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:55:16,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:55:16,850 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:55:16,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:55:16,850 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:55:16,850 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:55:16,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:55:16,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:55:16,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:55:16,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:55:16,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:55:16,852 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:55:16,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:55:16,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:55:16,853 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_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2021-11-21 05:55:17,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:55:17,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:55:17,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:55:17,165 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:55:17,166 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:55:17,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/pthread/stack_longest-2.i [2021-11-21 05:55:17,241 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/data/082d5d627/15e39e33b7734fd3a7a918c9aed6fa69/FLAGba96785a8 [2021-11-21 05:55:17,814 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:55:17,816 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/sv-benchmarks/c/pthread/stack_longest-2.i [2021-11-21 05:55:17,848 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/data/082d5d627/15e39e33b7734fd3a7a918c9aed6fa69/FLAGba96785a8 [2021-11-21 05:55:18,071 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/data/082d5d627/15e39e33b7734fd3a7a918c9aed6fa69 [2021-11-21 05:55:18,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:55:18,074 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:55:18,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:55:18,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:55:18,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:55:18,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:55:18" (1/1) ... [2021-11-21 05:55:18,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@773a7869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:18, skipping insertion in model container [2021-11-21 05:55:18,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:55:18" (1/1) ... [2021-11-21 05:55:18,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:55:18,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:55:18,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2021-11-21 05:55:18,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:55:18,580 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:55:18,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2021-11-21 05:55:18,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:55:18,685 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:55:18,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:18 WrapperNode [2021-11-21 05:55:18,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:55:18,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:55:18,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:55:18,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:55:18,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:18" (1/1) ... [2021-11-21 05:55:18,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:18" (1/1) ... [2021-11-21 05:55:18,744 INFO L137 Inliner]: procedures = 277, calls = 40, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 138 [2021-11-21 05:55:18,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:55:18,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:55:18,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:55:18,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:55:18,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:18" (1/1) ... [2021-11-21 05:55:18,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:18" (1/1) ... [2021-11-21 05:55:18,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:18" (1/1) ... [2021-11-21 05:55:18,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:18" (1/1) ... [2021-11-21 05:55:18,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:18" (1/1) ... [2021-11-21 05:55:18,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:18" (1/1) ... [2021-11-21 05:55:18,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:18" (1/1) ... [2021-11-21 05:55:18,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:55:18,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:55:18,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:55:18,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:55:18,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:18" (1/1) ... [2021-11-21 05:55:18,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:55:18,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:55:18,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:55:18,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:55:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-21 05:55:18,907 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-21 05:55:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-21 05:55:18,908 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-21 05:55:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:55:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:55:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:55:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:55:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-21 05:55:18,909 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-21 05:55:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-21 05:55:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:55:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-21 05:55:18,909 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-21 05:55:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:55:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:55:18,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:55:18,911 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-21 05:55:19,058 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:55:19,060 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:55:19,361 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:55:19,371 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:55:19,371 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 05:55:19,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:55:19 BoogieIcfgContainer [2021-11-21 05:55:19,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:55:19,391 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:55:19,391 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:55:19,401 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:55:19,401 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:55:19" (1/1) ... [2021-11-21 05:55:19,402 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-21 05:55:19,410 INFO L158 Benchmark]: Toolchain (without parser) took 1335.27ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 56.5MB in the beginning and 83.1MB in the end (delta: -26.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:55:19,425 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 94.4MB. Free memory was 74.8MB in the beginning and 74.8MB in the end (delta: 73.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:55:19,426 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.74ms. Allocated memory is still 94.4MB. Free memory was 56.2MB in the beginning and 52.1MB in the end (delta: 4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 05:55:19,427 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.02ms. Allocated memory is still 94.4MB. Free memory was 52.1MB in the beginning and 49.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:55:19,428 INFO L158 Benchmark]: Boogie Preprocessor took 59.50ms. Allocated memory is still 94.4MB. Free memory was 49.4MB in the beginning and 47.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:55:19,429 INFO L158 Benchmark]: RCFGBuilder took 584.36ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 47.7MB in the beginning and 84.2MB in the end (delta: -36.5MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2021-11-21 05:55:19,429 INFO L158 Benchmark]: CodeCheck took 17.71ms. Allocated memory is still 113.2MB. Free memory was 83.7MB in the beginning and 83.1MB in the end (delta: 634.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:55:19,434 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 0.25ms. Allocated memory is still 94.4MB. Free memory was 74.8MB in the beginning and 74.8MB in the end (delta: 73.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 610.74ms. Allocated memory is still 94.4MB. Free memory was 56.2MB in the beginning and 52.1MB in the end (delta: 4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.02ms. Allocated memory is still 94.4MB. Free memory was 52.1MB in the beginning and 49.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.50ms. Allocated memory is still 94.4MB. Free memory was 49.4MB in the beginning and 47.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 584.36ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 47.7MB in the beginning and 84.2MB in the end (delta: -36.5MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * CodeCheck took 17.71ms. Allocated memory is still 113.2MB. Free memory was 83.7MB in the beginning and 83.1MB in the end (delta: 634.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 05:55:19,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN --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 --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:55:21,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:55:21,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:55:21,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:55:21,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:55:21,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:55:21,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:55:21,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:55:21,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:55:21,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:55:21,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:55:21,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:55:21,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:55:21,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:55:21,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:55:21,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:55:21,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:55:21,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:55:21,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:55:21,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:55:21,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:55:21,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:55:21,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:55:21,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:55:21,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:55:21,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:55:21,998 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:55:21,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:55:22,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:55:22,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:55:22,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:55:22,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:55:22,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:55:22,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:55:22,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:55:22,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:55:22,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:55:22,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:55:22,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:55:22,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:55:22,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:55:22,012 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-21 05:55:22,039 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:55:22,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:55:22,040 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:55:22,040 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:55:22,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:55:22,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:55:22,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:55:22,042 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:55:22,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:55:22,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:55:22,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:55:22,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:55:22,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:55:22,044 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 05:55:22,045 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-21 05:55:22,045 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-21 05:55:22,045 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:55:22,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:55:22,046 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:55:22,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:55:22,046 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:55:22,047 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:55:22,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:55:22,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:55:22,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:55:22,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:55:22,048 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:55:22,049 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-21 05:55:22,049 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-21 05:55:22,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:55:22,049 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-21 05:55:22,050 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 05:55:22,050 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_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2021-11-21 05:55:22,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:55:22,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:55:22,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:55:22,478 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:55:22,479 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:55:22,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/pthread/stack_longest-2.i [2021-11-21 05:55:22,550 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/data/58867d175/6316917078564ed28df82203ee31982e/FLAG42a35048a [2021-11-21 05:55:23,190 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:55:23,191 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/sv-benchmarks/c/pthread/stack_longest-2.i [2021-11-21 05:55:23,224 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/data/58867d175/6316917078564ed28df82203ee31982e/FLAG42a35048a [2021-11-21 05:55:23,468 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/data/58867d175/6316917078564ed28df82203ee31982e [2021-11-21 05:55:23,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:55:23,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:55:23,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:55:23,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:55:23,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:55:23,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:55:23" (1/1) ... [2021-11-21 05:55:23,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af64318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:23, skipping insertion in model container [2021-11-21 05:55:23,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:55:23" (1/1) ... [2021-11-21 05:55:23,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:55:23,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:55:24,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2021-11-21 05:55:24,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:55:24,177 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:55:24,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2021-11-21 05:55:24,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:55:24,328 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:55:24,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:24 WrapperNode [2021-11-21 05:55:24,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:55:24,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:55:24,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:55:24,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:55:24,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:24" (1/1) ... [2021-11-21 05:55:24,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:24" (1/1) ... [2021-11-21 05:55:24,396 INFO L137 Inliner]: procedures = 281, calls = 40, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 135 [2021-11-21 05:55:24,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:55:24,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:55:24,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:55:24,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:55:24,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:24" (1/1) ... [2021-11-21 05:55:24,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:24" (1/1) ... [2021-11-21 05:55:24,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:24" (1/1) ... [2021-11-21 05:55:24,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:24" (1/1) ... [2021-11-21 05:55:24,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:24" (1/1) ... [2021-11-21 05:55:24,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:24" (1/1) ... [2021-11-21 05:55:24,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:24" (1/1) ... [2021-11-21 05:55:24,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:55:24,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:55:24,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:55:24,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:55:24,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:55:24" (1/1) ... [2021-11-21 05:55:24,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:55:24,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:55:24,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:55:24,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:55:24,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-21 05:55:24,571 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-21 05:55:24,571 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-21 05:55:24,571 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-21 05:55:24,571 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-21 05:55:24,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:55:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:55:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-21 05:55:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-21 05:55:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-21 05:55:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-21 05:55:24,574 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-21 05:55:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-21 05:55:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:55:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-21 05:55:24,576 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-21 05:55:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:55:24,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:55:24,578 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-21 05:55:24,744 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:55:24,745 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:55:25,089 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:55:25,099 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:55:25,110 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 05:55:25,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:55:25 BoogieIcfgContainer [2021-11-21 05:55:25,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:55:25,114 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:55:25,114 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:55:25,123 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:55:25,125 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:55:25" (1/1) ... [2021-11-21 05:55:25,125 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-21 05:55:25,133 INFO L158 Benchmark]: Toolchain (without parser) took 1658.73ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 35.7MB in the beginning and 42.2MB in the end (delta: -6.5MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2021-11-21 05:55:25,134 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 58.7MB. Free memory was 40.8MB in the beginning and 40.8MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:55:25,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 852.83ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 35.6MB in the beginning and 43.5MB in the end (delta: -7.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 05:55:25,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.08ms. Allocated memory is still 79.7MB. Free memory was 43.5MB in the beginning and 60.5MB in the end (delta: -17.0MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2021-11-21 05:55:25,137 INFO L158 Benchmark]: Boogie Preprocessor took 87.36ms. Allocated memory is still 79.7MB. Free memory was 60.5MB in the beginning and 58.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:55:25,138 INFO L158 Benchmark]: RCFGBuilder took 627.98ms. Allocated memory is still 79.7MB. Free memory was 58.6MB in the beginning and 43.1MB in the end (delta: 15.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-21 05:55:25,139 INFO L158 Benchmark]: CodeCheck took 15.83ms. Allocated memory is still 79.7MB. Free memory was 43.1MB in the beginning and 42.2MB in the end (delta: 842.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:55:25,148 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 0.27ms. Allocated memory is still 58.7MB. Free memory was 40.8MB in the beginning and 40.8MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 852.83ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 35.6MB in the beginning and 43.5MB in the end (delta: -7.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.08ms. Allocated memory is still 79.7MB. Free memory was 43.5MB in the beginning and 60.5MB in the end (delta: -17.0MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.36ms. Allocated memory is still 79.7MB. Free memory was 60.5MB in the beginning and 58.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 627.98ms. Allocated memory is still 79.7MB. Free memory was 58.6MB in the beginning and 43.1MB in the end (delta: 15.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 15.83ms. Allocated memory is still 79.7MB. Free memory was 43.1MB in the beginning and 42.2MB in the end (delta: 842.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 05:55:25,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67982d8f-e124-45fa-8b02-76443e94fecb/bin/ukojak-vF6T2TMglN/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