./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:14:54,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:14:54,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:14:54,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:14:54,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:14:54,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:14:54,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:14:54,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:14:54,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:14:54,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:14:54,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:14:54,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:14:54,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:14:54,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:14:54,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:14:54,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:14:54,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:14:54,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:14:54,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:14:54,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:14:54,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:14:54,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:14:54,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:14:54,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:14:54,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:14:54,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:14:54,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:14:54,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:14:54,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:14:54,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:14:54,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:14:54,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:14:54,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:14:54,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:14:54,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:14:54,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:14:54,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:14:54,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:14:54,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:14:54,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:14:54,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:14:54,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 22:14:54,191 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:14:54,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:14:54,199 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:14:54,199 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:14:54,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:14:54,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:14:54,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:14:54,201 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:14:54,201 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:14:54,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:14:54,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:14:54,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:14:54,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:14:54,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:14:54,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:14:54,203 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:14:54,203 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:14:54,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:14:54,204 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:14:54,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:14:54,204 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:14:54,204 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:14:54,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:14:54,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:14:54,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:14:54,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:14:54,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:14:54,206 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:14:54,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:14:54,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:14:54,208 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_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2022-11-21 22:14:54,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:14:54,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:14:54,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:14:54,512 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:14:54,512 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:14:54,514 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread/stack-2.i [2022-11-21 22:14:57,736 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:14:58,082 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:14:58,084 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/sv-benchmarks/c/pthread/stack-2.i [2022-11-21 22:14:58,104 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/data/0ab805853/0fca5d640bf74afeb3d8ba1651f4c5c6/FLAGc6b846f5a [2022-11-21 22:14:58,122 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/data/0ab805853/0fca5d640bf74afeb3d8ba1651f4c5c6 [2022-11-21 22:14:58,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:14:58,133 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:14:58,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:14:58,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:14:58,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:14:58,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:14:58" (1/1) ... [2022-11-21 22:14:58,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aed82de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:58, skipping insertion in model container [2022-11-21 22:14:58,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:14:58" (1/1) ... [2022-11-21 22:14:58,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:14:58,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:14:58,712 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-11-21 22:14:58,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:14:58,763 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:14:58,822 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-11-21 22:14:58,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:14:58,909 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:14:58,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:58 WrapperNode [2022-11-21 22:14:58,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:14:58,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:14:58,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:14:58,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:14:58,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:58" (1/1) ... [2022-11-21 22:14:58,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:58" (1/1) ... [2022-11-21 22:14:58,995 INFO L138 Inliner]: procedures = 277, calls = 44, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 153 [2022-11-21 22:14:58,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:14:58,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:14:58,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:14:58,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:14:59,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:58" (1/1) ... [2022-11-21 22:14:59,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:58" (1/1) ... [2022-11-21 22:14:59,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:58" (1/1) ... [2022-11-21 22:14:59,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:58" (1/1) ... [2022-11-21 22:14:59,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:58" (1/1) ... [2022-11-21 22:14:59,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:58" (1/1) ... [2022-11-21 22:14:59,052 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:58" (1/1) ... [2022-11-21 22:14:59,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:58" (1/1) ... [2022-11-21 22:14:59,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:14:59,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:14:59,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:14:59,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:14:59,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:58" (1/1) ... [2022-11-21 22:14:59,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:14:59,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:14:59,111 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:14:59,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:14:59,189 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-21 22:14:59,190 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-21 22:14:59,190 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-21 22:14:59,190 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-21 22:14:59,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:14:59,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:14:59,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:14:59,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:14:59,191 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-11-21 22:14:59,191 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-11-21 22:14:59,192 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 22:14:59,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:14:59,193 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-11-21 22:14:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-11-21 22:14:59,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:14:59,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:14:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:14:59,195 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 22:14:59,388 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:14:59,390 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:14:59,773 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:14:59,782 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:14:59,782 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:14:59,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:14:59 BoogieIcfgContainer [2022-11-21 22:14:59,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:14:59,786 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:14:59,786 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:14:59,808 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:14:59,808 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:14:59" (1/1) ... [2022-11-21 22:14:59,809 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 22:14:59,813 INFO L158 Benchmark]: Toolchain (without parser) took 1679.42ms. Allocated memory is still 146.8MB. Free memory was 100.8MB in the beginning and 101.5MB in the end (delta: -619.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:14:59,814 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:14:59,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 777.21ms. Allocated memory is still 146.8MB. Free memory was 100.8MB in the beginning and 71.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-21 22:14:59,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.54ms. Allocated memory is still 146.8MB. Free memory was 71.5MB in the beginning and 68.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:14:59,816 INFO L158 Benchmark]: Boogie Preprocessor took 65.69ms. Allocated memory is still 146.8MB. Free memory was 68.8MB in the beginning and 66.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:14:59,817 INFO L158 Benchmark]: RCFGBuilder took 721.92ms. Allocated memory is still 146.8MB. Free memory was 66.8MB in the beginning and 102.9MB in the end (delta: -36.1MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2022-11-21 22:14:59,817 INFO L158 Benchmark]: CodeCheck took 26.14ms. Allocated memory is still 146.8MB. Free memory was 102.9MB in the beginning and 101.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:14:59,820 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 777.21ms. Allocated memory is still 146.8MB. Free memory was 100.8MB in the beginning and 71.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.54ms. Allocated memory is still 146.8MB. Free memory was 71.5MB in the beginning and 68.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.69ms. Allocated memory is still 146.8MB. Free memory was 68.8MB in the beginning and 66.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 721.92ms. Allocated memory is still 146.8MB. Free memory was 66.8MB in the beginning and 102.9MB in the end (delta: -36.1MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * CodeCheck took 26.14ms. Allocated memory is still 146.8MB. Free memory was 102.9MB in the beginning and 101.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 22:14:59,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:15:02,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:15:02,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:15:02,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:15:02,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:15:02,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:15:02,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:15:02,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:15:02,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:15:02,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:15:02,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:15:02,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:15:02,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:15:02,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:15:02,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:15:02,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:15:02,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:15:02,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:15:02,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:15:02,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:15:02,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:15:02,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:15:02,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:15:02,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:15:02,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:15:02,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:15:02,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:15:02,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:15:02,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:15:02,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:15:02,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:15:02,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:15:02,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:15:02,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:15:02,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:15:02,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:15:02,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:15:02,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:15:02,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:15:02,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:15:02,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:15:02,372 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 22:15:02,418 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:15:02,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:15:02,420 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:15:02,421 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:15:02,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:15:02,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:15:02,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:15:02,422 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:15:02,423 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:15:02,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:15:02,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:15:02,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:15:02,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:15:02,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:15:02,425 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 22:15:02,425 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 22:15:02,425 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:15:02,425 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 22:15:02,426 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:15:02,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:15:02,426 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:15:02,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:15:02,426 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:15:02,427 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:15:02,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:15:02,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:15:02,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:15:02,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:15:02,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:15:02,428 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 22:15:02,428 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 22:15:02,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:15:02,429 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 22:15:02,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 22:15:02,429 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_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2022-11-21 22:15:02,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:15:02,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:15:02,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:15:02,835 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:15:02,837 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:15:02,839 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread/stack-2.i [2022-11-21 22:15:05,940 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:15:06,329 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:15:06,330 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/sv-benchmarks/c/pthread/stack-2.i [2022-11-21 22:15:06,347 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/data/212fa6d56/e3bf4aaae398466e9b0e5eb12b174020/FLAGa6bb85d97 [2022-11-21 22:15:06,360 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/data/212fa6d56/e3bf4aaae398466e9b0e5eb12b174020 [2022-11-21 22:15:06,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:15:06,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:15:06,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:15:06,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:15:06,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:15:06,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:15:06" (1/1) ... [2022-11-21 22:15:06,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4651aab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:06, skipping insertion in model container [2022-11-21 22:15:06,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:15:06" (1/1) ... [2022-11-21 22:15:06,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:15:06,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:15:07,025 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-11-21 22:15:07,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:15:07,103 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:15:07,163 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-11-21 22:15:07,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:15:07,277 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:15:07,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:07 WrapperNode [2022-11-21 22:15:07,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:15:07,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:15:07,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:15:07,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:15:07,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:07" (1/1) ... [2022-11-21 22:15:07,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:07" (1/1) ... [2022-11-21 22:15:07,393 INFO L138 Inliner]: procedures = 281, calls = 44, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 149 [2022-11-21 22:15:07,394 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:15:07,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:15:07,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:15:07,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:15:07,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:07" (1/1) ... [2022-11-21 22:15:07,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:07" (1/1) ... [2022-11-21 22:15:07,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:07" (1/1) ... [2022-11-21 22:15:07,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:07" (1/1) ... [2022-11-21 22:15:07,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:07" (1/1) ... [2022-11-21 22:15:07,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:07" (1/1) ... [2022-11-21 22:15:07,458 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:07" (1/1) ... [2022-11-21 22:15:07,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:07" (1/1) ... [2022-11-21 22:15:07,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:15:07,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:15:07,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:15:07,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:15:07,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:07" (1/1) ... [2022-11-21 22:15:07,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:15:07,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:15:07,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:15:07,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:15:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 22:15:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-21 22:15:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-21 22:15:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-21 22:15:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-21 22:15:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:15:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:15:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 22:15:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 22:15:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-21 22:15:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-11-21 22:15:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-11-21 22:15:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 22:15:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:15:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-11-21 22:15:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-11-21 22:15:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:15:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:15:07,594 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 22:15:07,802 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:15:07,804 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:15:08,120 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:15:08,130 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:15:08,130 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:15:08,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:15:08 BoogieIcfgContainer [2022-11-21 22:15:08,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:15:08,133 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:15:08,134 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:15:08,144 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:15:08,145 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:15:08" (1/1) ... [2022-11-21 22:15:08,146 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 22:15:08,150 INFO L158 Benchmark]: Toolchain (without parser) took 1785.81ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 47.4MB in the beginning and 51.4MB in the end (delta: -4.0MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2022-11-21 22:15:08,151 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:15:08,152 INFO L158 Benchmark]: CACSL2BoogieTranslator took 913.95ms. Allocated memory is still 71.3MB. Free memory was 47.2MB in the beginning and 32.6MB in the end (delta: 14.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2022-11-21 22:15:08,152 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.60ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 32.6MB in the beginning and 74.6MB in the end (delta: -42.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2022-11-21 22:15:08,153 INFO L158 Benchmark]: Boogie Preprocessor took 78.30ms. Allocated memory is still 98.6MB. Free memory was 74.6MB in the beginning and 72.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:15:08,154 INFO L158 Benchmark]: RCFGBuilder took 658.13ms. Allocated memory is still 98.6MB. Free memory was 72.1MB in the beginning and 52.4MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 22:15:08,155 INFO L158 Benchmark]: CodeCheck took 15.21ms. Allocated memory is still 98.6MB. Free memory was 52.4MB in the beginning and 51.4MB in the end (delta: 988.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:15:08,158 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 0.32ms. Allocated memory is still 71.3MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 913.95ms. Allocated memory is still 71.3MB. Free memory was 47.2MB in the beginning and 32.6MB in the end (delta: 14.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.60ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 32.6MB in the beginning and 74.6MB in the end (delta: -42.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.30ms. Allocated memory is still 98.6MB. Free memory was 74.6MB in the beginning and 72.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 658.13ms. Allocated memory is still 98.6MB. Free memory was 72.1MB in the beginning and 52.4MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 15.21ms. Allocated memory is still 98.6MB. Free memory was 52.4MB in the beginning and 51.4MB in the end (delta: 988.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 22:15:08,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f122ffd8-b852-44f8-b73e-370c54d50b5b/bin/ukojak-jW3SillKbg/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