./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:03:42,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:03:42,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:03:42,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:03:42,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:03:42,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:03:42,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:03:42,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:03:42,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:03:42,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:03:42,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:03:42,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:03:42,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:03:42,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:03:42,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:03:42,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:03:42,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:03:42,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:03:42,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:03:42,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:03:42,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:03:42,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:03:42,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:03:42,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:03:42,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:03:42,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:03:42,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:03:42,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:03:42,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:03:42,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:03:42,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:03:42,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:03:42,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:03:42,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:03:42,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:03:42,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:03:42,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:03:42,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:03:42,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:03:42,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:03:42,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:03:42,765 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:03:42,793 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:03:42,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:03:42,795 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:03:42,795 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:03:42,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:03:42,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:03:42,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:03:42,796 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:03:42,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:03:42,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:03:42,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:03:42,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:03:42,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:03:42,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:03:42,797 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:03:42,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:03:42,798 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:03:42,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:03:42,798 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:03:42,798 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:03:42,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:03:42,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:03:42,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:03:42,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:03:42,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:03:42,803 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:03:42,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:03:42,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:03:42,804 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_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2021-11-13 23:03:43,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:03:43,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:03:43,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:03:43,119 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:03:43,120 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:03:43,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/pthread/stack_longest-1.i [2021-11-13 23:03:43,190 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/data/6a25f6520/1a16b38fc9bb406182de6248c21e45f6/FLAG771e55467 [2021-11-13 23:03:43,773 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:03:43,773 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/sv-benchmarks/c/pthread/stack_longest-1.i [2021-11-13 23:03:43,790 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/data/6a25f6520/1a16b38fc9bb406182de6248c21e45f6/FLAG771e55467 [2021-11-13 23:03:44,018 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/data/6a25f6520/1a16b38fc9bb406182de6248c21e45f6 [2021-11-13 23:03:44,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:03:44,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:03:44,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:03:44,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:03:44,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:03:44,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:44" (1/1) ... [2021-11-13 23:03:44,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4571a413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:44, skipping insertion in model container [2021-11-13 23:03:44,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:44" (1/1) ... [2021-11-13 23:03:44,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:03:44,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:03:44,540 WARN L228 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_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2021-11-13 23:03:44,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:03:44,601 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:03:44,654 WARN L228 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_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2021-11-13 23:03:44,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:03:44,756 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:03:44,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:44 WrapperNode [2021-11-13 23:03:44,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:03:44,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:03:44,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:03:44,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:03:44,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:44" (1/1) ... [2021-11-13 23:03:44,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:44" (1/1) ... [2021-11-13 23:03:44,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:03:44,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:03:44,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:03:44,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:03:44,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:44" (1/1) ... [2021-11-13 23:03:44,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:44" (1/1) ... [2021-11-13 23:03:44,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:44" (1/1) ... [2021-11-13 23:03:44,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:44" (1/1) ... [2021-11-13 23:03:44,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:44" (1/1) ... [2021-11-13 23:03:44,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:44" (1/1) ... [2021-11-13 23:03:44,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:44" (1/1) ... [2021-11-13 23:03:44,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:03:44,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:03:44,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:03:44,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:03:44,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:44" (1/1) ... [2021-11-13 23:03:44,885 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:03:44,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:03:44,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:03:44,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:03:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-13 23:03:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-13 23:03:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-13 23:03:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-13 23:03:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:03:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:03:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:03:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:03:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-13 23:03:44,951 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-13 23:03:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 23:03:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-13 23:03:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-13 23:03:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:03:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:03:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:03:44,954 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 23:03:45,442 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:03:45,442 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 23:03:45,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:45 BoogieIcfgContainer [2021-11-13 23:03:45,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:03:45,445 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:03:45,445 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:03:45,453 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:03:45,453 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:45" (1/1) ... [2021-11-13 23:03:45,454 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) [2021-11-13 23:03:45,458 INFO L158 Benchmark]: Toolchain (without parser) took 1435.61ms. Allocated memory was 100.7MB in the beginning and 127.9MB in the end (delta: 27.3MB). Free memory was 56.4MB in the beginning and 97.7MB in the end (delta: -41.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:03:45,459 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:03:45,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 728.72ms. Allocated memory is still 100.7MB. Free memory was 56.2MB in the beginning and 54.3MB in the end (delta: 2.0MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-11-13 23:03:45,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.48ms. Allocated memory is still 100.7MB. Free memory was 54.3MB in the beginning and 51.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:03:45,462 INFO L158 Benchmark]: Boogie Preprocessor took 32.07ms. Allocated memory is still 100.7MB. Free memory was 51.8MB in the beginning and 50.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:03:45,463 INFO L158 Benchmark]: RCFGBuilder took 580.83ms. Allocated memory was 100.7MB in the beginning and 127.9MB in the end (delta: 27.3MB). Free memory was 50.1MB in the beginning and 99.2MB in the end (delta: -49.1MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2021-11-13 23:03:45,464 INFO L158 Benchmark]: CodeCheck took 11.40ms. Allocated memory is still 127.9MB. Free memory was 99.2MB in the beginning and 97.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:03:45,469 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 728.72ms. Allocated memory is still 100.7MB. Free memory was 56.2MB in the beginning and 54.3MB in the end (delta: 2.0MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.48ms. Allocated memory is still 100.7MB. Free memory was 54.3MB in the beginning and 51.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.07ms. Allocated memory is still 100.7MB. Free memory was 51.8MB in the beginning and 50.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 580.83ms. Allocated memory was 100.7MB in the beginning and 127.9MB in the end (delta: 27.3MB). Free memory was 50.1MB in the beginning and 99.2MB in the end (delta: -49.1MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * CodeCheck took 11.40ms. Allocated memory is still 127.9MB. Free memory was 99.2MB in the beginning and 97.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 23:03:45,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/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 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_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:03:48,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:03:48,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:03:48,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:03:48,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:03:48,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:03:48,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:03:48,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:03:48,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:03:48,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:03:48,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:03:48,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:03:48,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:03:48,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:03:48,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:03:48,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:03:48,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:03:48,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:03:48,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:03:48,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:03:48,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:03:48,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:03:48,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:03:48,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:03:48,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:03:48,147 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:03:48,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:03:48,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:03:48,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:03:48,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:03:48,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:03:48,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:03:48,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:03:48,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:03:48,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:03:48,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:03:48,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:03:48,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:03:48,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:03:48,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:03:48,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:03:48,179 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-13 23:03:48,224 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:03:48,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:03:48,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:03:48,226 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:03:48,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:03:48,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:03:48,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:03:48,229 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:03:48,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:03:48,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:03:48,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:03:48,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:03:48,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:03:48,231 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 23:03:48,231 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 23:03:48,232 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 23:03:48,232 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:03:48,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:03:48,232 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:03:48,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:03:48,233 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:03:48,233 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:03:48,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:03:48,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:03:48,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:03:48,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:03:48,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:03:48,235 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 23:03:48,235 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 23:03:48,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:03:48,235 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-13 23:03:48,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 23:03:48,236 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_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2021-11-13 23:03:48,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:03:48,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:03:48,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:03:48,672 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:03:48,673 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:03:48,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/pthread/stack_longest-1.i [2021-11-13 23:03:48,749 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/data/c2fcc1936/b239ad3b4da24ea78b6720ecfd5fd653/FLAG040f3c741 [2021-11-13 23:03:49,401 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:03:49,402 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/sv-benchmarks/c/pthread/stack_longest-1.i [2021-11-13 23:03:49,426 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/data/c2fcc1936/b239ad3b4da24ea78b6720ecfd5fd653/FLAG040f3c741 [2021-11-13 23:03:49,653 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/data/c2fcc1936/b239ad3b4da24ea78b6720ecfd5fd653 [2021-11-13 23:03:49,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:03:49,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:03:49,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:03:49,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:03:49,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:03:49,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:49" (1/1) ... [2021-11-13 23:03:49,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@270aee22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:49, skipping insertion in model container [2021-11-13 23:03:49,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:49" (1/1) ... [2021-11-13 23:03:49,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:03:49,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:03:50,248 WARN L228 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_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2021-11-13 23:03:50,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:03:50,286 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:03:50,356 WARN L228 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_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2021-11-13 23:03:50,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:03:50,473 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:03:50,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:50 WrapperNode [2021-11-13 23:03:50,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:03:50,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:03:50,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:03:50,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:03:50,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:50" (1/1) ... [2021-11-13 23:03:50,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:50" (1/1) ... [2021-11-13 23:03:50,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:03:50,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:03:50,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:03:50,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:03:50,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:50" (1/1) ... [2021-11-13 23:03:50,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:50" (1/1) ... [2021-11-13 23:03:50,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:50" (1/1) ... [2021-11-13 23:03:50,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:50" (1/1) ... [2021-11-13 23:03:50,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:50" (1/1) ... [2021-11-13 23:03:50,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:50" (1/1) ... [2021-11-13 23:03:50,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:50" (1/1) ... [2021-11-13 23:03:50,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:03:50,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:03:50,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:03:50,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:03:50,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:50" (1/1) ... [2021-11-13 23:03:50,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:03:50,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:03:50,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:03:50,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:03:50,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 23:03:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-13 23:03:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-13 23:03:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-13 23:03:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-13 23:03:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:03:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:03:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 23:03:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 23:03:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 23:03:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-13 23:03:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-13 23:03:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 23:03:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-13 23:03:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-13 23:03:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:03:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:03:50,738 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 23:03:51,332 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:03:51,337 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 23:03:51,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:51 BoogieIcfgContainer [2021-11-13 23:03:51,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:03:51,342 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:03:51,342 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:03:51,351 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:03:51,352 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:51" (1/1) ... [2021-11-13 23:03:51,353 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) [2021-11-13 23:03:51,360 INFO L158 Benchmark]: Toolchain (without parser) took 1700.86ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 42.9MB in the beginning and 53.3MB in the end (delta: -10.4MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2021-11-13 23:03:51,361 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 65.0MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:03:51,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 817.42ms. Allocated memory is still 65.0MB. Free memory was 42.8MB in the beginning and 28.6MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 23:03:51,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.85ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 28.6MB in the beginning and 72.2MB in the end (delta: -43.6MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2021-11-13 23:03:51,364 INFO L158 Benchmark]: Boogie Preprocessor took 68.91ms. Allocated memory is still 90.2MB. Free memory was 72.2MB in the beginning and 70.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:03:51,365 INFO L158 Benchmark]: RCFGBuilder took 694.84ms. Allocated memory is still 90.2MB. Free memory was 70.1MB in the beginning and 54.2MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 23:03:51,366 INFO L158 Benchmark]: CodeCheck took 15.20ms. Allocated memory is still 90.2MB. Free memory was 54.2MB in the beginning and 53.3MB in the end (delta: 901.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:03:51,375 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 0.24ms. Allocated memory is still 65.0MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 817.42ms. Allocated memory is still 65.0MB. Free memory was 42.8MB in the beginning and 28.6MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.85ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 28.6MB in the beginning and 72.2MB in the end (delta: -43.6MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.91ms. Allocated memory is still 90.2MB. Free memory was 72.2MB in the beginning and 70.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 694.84ms. Allocated memory is still 90.2MB. Free memory was 70.1MB in the beginning and 54.2MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 15.20ms. Allocated memory is still 90.2MB. Free memory was 54.2MB in the beginning and 53.3MB in the end (delta: 901.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 23:03:51,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff0c1f37-e6cf-4764-9e50-bff72545fa7e/bin/ukojak-2xVlg8857e/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