./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longer-1.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_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/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_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/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_70433f28-509e-4b26-923c-041e3ce5dfba/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 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:59:34,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:59:34,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:59:34,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:59:34,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:59:34,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:59:34,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:59:34,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:59:34,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:59:34,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:59:34,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:59:34,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:59:34,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:59:34,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:59:34,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:59:34,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:59:34,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:59:34,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:59:34,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:59:34,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:59:34,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:59:34,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:59:34,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:59:34,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:59:34,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:59:34,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:59:34,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:59:34,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:59:34,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:59:34,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:59:34,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:59:34,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:59:34,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:59:34,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:59:34,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:59:34,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:59:34,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:59:34,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:59:34,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:59:34,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:59:34,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:59:34,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 04:59:34,844 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:59:34,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:59:34,846 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:59:34,846 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:59:34,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:59:34,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:59:34,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:59:34,848 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:59:34,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:59:34,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:59:34,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:59:34,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:59:34,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:59:34,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:59:34,849 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:59:34,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:59:34,850 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:59:34,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:59:34,850 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:59:34,850 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:59:34,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:59:34,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:59:34,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:59:34,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:59:34,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:59:34,852 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:59:34,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:59:34,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:59:34,853 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_70433f28-509e-4b26-923c-041e3ce5dfba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 [2021-11-21 04:59:35,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:59:35,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:59:35,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:59:35,127 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:59:35,128 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:59:35,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/pthread/stack_longer-1.i [2021-11-21 04:59:35,182 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/data/eeb369eb4/d54cf59c955543e8a59edfa87dede56c/FLAG8f4e70426 [2021-11-21 04:59:35,727 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:59:35,728 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/sv-benchmarks/c/pthread/stack_longer-1.i [2021-11-21 04:59:35,754 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/data/eeb369eb4/d54cf59c955543e8a59edfa87dede56c/FLAG8f4e70426 [2021-11-21 04:59:36,023 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/data/eeb369eb4/d54cf59c955543e8a59edfa87dede56c [2021-11-21 04:59:36,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:59:36,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:59:36,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:59:36,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:59:36,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:59:36,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:59:36" (1/1) ... [2021-11-21 04:59:36,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1840b857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:36, skipping insertion in model container [2021-11-21 04:59:36,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:59:36" (1/1) ... [2021-11-21 04:59:36,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:59:36,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:59:36,651 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_70433f28-509e-4b26-923c-041e3ce5dfba/sv-benchmarks/c/pthread/stack_longer-1.i[41527,41540] [2021-11-21 04:59:36,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:59:36,710 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:59:36,766 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_70433f28-509e-4b26-923c-041e3ce5dfba/sv-benchmarks/c/pthread/stack_longer-1.i[41527,41540] [2021-11-21 04:59:36,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:59:36,871 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:59:36,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:36 WrapperNode [2021-11-21 04:59:36,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:59:36,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:59:36,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:59:36,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:59:36,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:36" (1/1) ... [2021-11-21 04:59:36,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:36" (1/1) ... [2021-11-21 04:59:36,964 INFO L137 Inliner]: procedures = 277, calls = 41, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 143 [2021-11-21 04:59:36,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:59:36,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:59:36,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:59:36,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:59:36,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:36" (1/1) ... [2021-11-21 04:59:36,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:36" (1/1) ... [2021-11-21 04:59:36,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:36" (1/1) ... [2021-11-21 04:59:36,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:36" (1/1) ... [2021-11-21 04:59:37,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:36" (1/1) ... [2021-11-21 04:59:37,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:36" (1/1) ... [2021-11-21 04:59:37,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:36" (1/1) ... [2021-11-21 04:59:37,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:59:37,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:59:37,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:59:37,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:59:37,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:36" (1/1) ... [2021-11-21 04:59:37,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:59:37,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:59:37,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:59:37,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:59:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-21 04:59:37,125 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-21 04:59:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-21 04:59:37,125 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-21 04:59:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 04:59:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 04:59:37,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 04:59:37,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 04:59:37,126 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-21 04:59:37,126 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-21 04:59:37,126 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-21 04:59:37,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:59:37,127 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-21 04:59:37,127 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-21 04:59:37,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 04:59:37,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:59:37,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:59:37,129 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 04:59:37,252 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:59:37,254 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:59:37,544 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:59:37,554 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:59:37,554 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 04:59:37,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:59:37 BoogieIcfgContainer [2021-11-21 04:59:37,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:59:37,557 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:59:37,557 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:59:37,565 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:59:37,565 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:59:37" (1/1) ... [2021-11-21 04:59:37,566 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 04:59:37,570 INFO L158 Benchmark]: Toolchain (without parser) took 1542.16ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 45.8MB in the beginning and 47.9MB in the end (delta: -2.1MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2021-11-21 04:59:37,570 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 86.0MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:59:37,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 828.03ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 45.6MB in the beginning and 68.9MB in the end (delta: -23.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 04:59:37,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.56ms. Allocated memory is still 113.2MB. Free memory was 68.9MB in the beginning and 66.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:59:37,573 INFO L158 Benchmark]: Boogie Preprocessor took 65.43ms. Allocated memory is still 113.2MB. Free memory was 66.3MB in the beginning and 64.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:59:37,574 INFO L158 Benchmark]: RCFGBuilder took 525.56ms. Allocated memory is still 113.2MB. Free memory was 64.7MB in the beginning and 48.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-21 04:59:37,575 INFO L158 Benchmark]: CodeCheck took 10.44ms. Allocated memory is still 113.2MB. Free memory was 48.9MB in the beginning and 47.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:59:37,579 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 86.0MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 828.03ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 45.6MB in the beginning and 68.9MB in the end (delta: -23.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.56ms. Allocated memory is still 113.2MB. Free memory was 68.9MB in the beginning and 66.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.43ms. Allocated memory is still 113.2MB. Free memory was 66.3MB in the beginning and 64.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 525.56ms. Allocated memory is still 113.2MB. Free memory was 64.7MB in the beginning and 48.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 10.44ms. Allocated memory is still 113.2MB. Free memory was 48.9MB in the beginning and 47.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 04:59:37,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/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_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/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_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/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_70433f28-509e-4b26-923c-041e3ce5dfba/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 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:59:40,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:59:40,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:59:40,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:59:40,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:59:40,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:59:40,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:59:40,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:59:40,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:59:40,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:59:40,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:59:40,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:59:40,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:59:40,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:59:40,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:59:40,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:59:40,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:59:40,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:59:40,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:59:40,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:59:40,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:59:40,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:59:40,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:59:40,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:59:40,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:59:40,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:59:40,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:59:40,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:59:40,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:59:40,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:59:40,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:59:40,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:59:40,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:59:40,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:59:40,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:59:40,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:59:40,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:59:40,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:59:40,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:59:40,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:59:40,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:59:40,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-21 04:59:40,268 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:59:40,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:59:40,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:59:40,270 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:59:40,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:59:40,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:59:40,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:59:40,272 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:59:40,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:59:40,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:59:40,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:59:40,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:59:40,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:59:40,274 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 04:59:40,275 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-21 04:59:40,275 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-21 04:59:40,275 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:59:40,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:59:40,275 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:59:40,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:59:40,276 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:59:40,276 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:59:40,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:59:40,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:59:40,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:59:40,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:59:40,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:59:40,278 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-21 04:59:40,278 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-21 04:59:40,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:59:40,278 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-21 04:59:40,278 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 04:59:40,279 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_70433f28-509e-4b26-923c-041e3ce5dfba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 [2021-11-21 04:59:40,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:59:40,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:59:40,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:59:40,695 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:59:40,696 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:59:40,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/pthread/stack_longer-1.i [2021-11-21 04:59:40,777 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/data/dd07bd267/543af54a78664c0bb49fe03601e96e96/FLAGfd29f0969 [2021-11-21 04:59:41,481 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:59:41,482 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/sv-benchmarks/c/pthread/stack_longer-1.i [2021-11-21 04:59:41,505 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/data/dd07bd267/543af54a78664c0bb49fe03601e96e96/FLAGfd29f0969 [2021-11-21 04:59:41,709 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/data/dd07bd267/543af54a78664c0bb49fe03601e96e96 [2021-11-21 04:59:41,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:59:41,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:59:41,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:59:41,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:59:41,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:59:41,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:59:41" (1/1) ... [2021-11-21 04:59:41,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538ebfb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:41, skipping insertion in model container [2021-11-21 04:59:41,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:59:41" (1/1) ... [2021-11-21 04:59:41,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:59:41,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:59:42,227 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_70433f28-509e-4b26-923c-041e3ce5dfba/sv-benchmarks/c/pthread/stack_longer-1.i[41527,41540] [2021-11-21 04:59:42,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:59:42,267 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:59:42,303 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_70433f28-509e-4b26-923c-041e3ce5dfba/sv-benchmarks/c/pthread/stack_longer-1.i[41527,41540] [2021-11-21 04:59:42,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:59:42,416 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:59:42,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:42 WrapperNode [2021-11-21 04:59:42,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:59:42,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:59:42,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:59:42,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:59:42,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:42" (1/1) ... [2021-11-21 04:59:42,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:42" (1/1) ... [2021-11-21 04:59:42,498 INFO L137 Inliner]: procedures = 281, calls = 41, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 139 [2021-11-21 04:59:42,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:59:42,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:59:42,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:59:42,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:59:42,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:42" (1/1) ... [2021-11-21 04:59:42,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:42" (1/1) ... [2021-11-21 04:59:42,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:42" (1/1) ... [2021-11-21 04:59:42,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:42" (1/1) ... [2021-11-21 04:59:42,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:42" (1/1) ... [2021-11-21 04:59:42,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:42" (1/1) ... [2021-11-21 04:59:42,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:42" (1/1) ... [2021-11-21 04:59:42,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:59:42,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:59:42,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:59:42,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:59:42,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:42" (1/1) ... [2021-11-21 04:59:42,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:59:42,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:59:42,580 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:59:42,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:59:42,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-21 04:59:42,634 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-21 04:59:42,634 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-21 04:59:42,634 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-21 04:59:42,635 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-21 04:59:42,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 04:59:42,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 04:59:42,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-21 04:59:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-21 04:59:42,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-21 04:59:42,638 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-21 04:59:42,638 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-21 04:59:42,638 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-21 04:59:42,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:59:42,639 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-21 04:59:42,639 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-21 04:59:42,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:59:42,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:59:42,641 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 04:59:42,865 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:59:42,867 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:59:43,219 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:59:43,229 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:59:43,229 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 04:59:43,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:59:43 BoogieIcfgContainer [2021-11-21 04:59:43,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:59:43,232 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:59:43,232 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:59:43,242 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:59:43,242 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:59:43" (1/1) ... [2021-11-21 04:59:43,243 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 04:59:43,247 INFO L158 Benchmark]: Toolchain (without parser) took 1532.77ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 33.2MB in the beginning and 51.6MB in the end (delta: -18.4MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2021-11-21 04:59:43,247 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 56.6MB. Free memory was 38.2MB in the beginning and 38.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:59:43,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 703.34ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 33.0MB in the beginning and 54.6MB in the end (delta: -21.6MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-11-21 04:59:43,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.88ms. Allocated memory is still 77.6MB. Free memory was 54.6MB in the beginning and 51.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 04:59:43,250 INFO L158 Benchmark]: Boogie Preprocessor took 35.85ms. Allocated memory is still 77.6MB. Free memory was 51.9MB in the beginning and 49.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:59:43,250 INFO L158 Benchmark]: RCFGBuilder took 695.96ms. Allocated memory is still 77.6MB. Free memory was 49.8MB in the beginning and 52.7MB in the end (delta: -2.9MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2021-11-21 04:59:43,251 INFO L158 Benchmark]: CodeCheck took 12.67ms. Allocated memory is still 77.6MB. Free memory was 52.3MB in the beginning and 51.6MB in the end (delta: 763.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:59:43,255 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 0.29ms. Allocated memory is still 56.6MB. Free memory was 38.2MB in the beginning and 38.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 703.34ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 33.0MB in the beginning and 54.6MB in the end (delta: -21.6MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.88ms. Allocated memory is still 77.6MB. Free memory was 54.6MB in the beginning and 51.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.85ms. Allocated memory is still 77.6MB. Free memory was 51.9MB in the beginning and 49.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 695.96ms. Allocated memory is still 77.6MB. Free memory was 49.8MB in the beginning and 52.7MB in the end (delta: -2.9MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * CodeCheck took 12.67ms. Allocated memory is still 77.6MB. Free memory was 52.3MB in the beginning and 51.6MB in the end (delta: 763.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 04:59:43,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70433f28-509e-4b26-923c-041e3ce5dfba/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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