./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:08:44,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:08:44,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:08:44,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:08:44,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:08:44,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:08:44,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:08:44,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:08:44,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:08:44,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:08:44,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:08:44,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:08:44,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:08:44,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:08:44,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:08:44,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:08:44,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:08:44,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:08:44,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:08:44,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:08:44,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:08:44,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:08:44,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:08:44,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:08:44,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:08:44,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:08:44,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:08:44,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:08:44,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:08:44,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:08:44,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:08:44,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:08:44,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:08:44,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:08:44,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:08:44,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:08:44,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:08:44,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:08:44,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:08:44,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:08:44,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:08:44,985 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-20 18:08:45,025 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:08:45,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:08:45,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:08:45,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:08:45,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:08:45,029 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:08:45,029 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:08:45,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:08:45,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:08:45,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:08:45,031 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 18:08:45,031 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 18:08:45,031 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 18:08:45,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:08:45,032 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:08:45,032 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:08:45,032 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:08:45,032 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:08:45,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:08:45,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:08:45,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:08:45,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:08:45,033 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:08:45,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:08:45,034 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_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2022-11-20 18:08:45,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:08:45,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:08:45,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:08:45,346 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:08:45,347 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:08:45,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/stack_longest-1.i [2022-11-20 18:08:48,319 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:08:48,651 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:08:48,652 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/sv-benchmarks/c/pthread/stack_longest-1.i [2022-11-20 18:08:48,679 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/data/05eb92e5e/b613ddcc410f413db61b4e4817c047a3/FLAGa2260dcff [2022-11-20 18:08:48,698 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/data/05eb92e5e/b613ddcc410f413db61b4e4817c047a3 [2022-11-20 18:08:48,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:08:48,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:08:48,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:08:48,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:08:48,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:08:48,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:08:48" (1/1) ... [2022-11-20 18:08:48,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff669eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:48, skipping insertion in model container [2022-11-20 18:08:48,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:08:48" (1/1) ... [2022-11-20 18:08:48,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:08:48,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:08:49,340 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_4ac50d23-1144-4404-b0af-d7f8ce066ea9/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-11-20 18:08:49,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:08:49,401 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:08:49,464 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_4ac50d23-1144-4404-b0af-d7f8ce066ea9/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-11-20 18:08:49,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:08:49,568 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:08:49,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:49 WrapperNode [2022-11-20 18:08:49,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:08:49,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:08:49,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:08:49,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:08:49,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:49" (1/1) ... [2022-11-20 18:08:49,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:49" (1/1) ... [2022-11-20 18:08:49,625 INFO L138 Inliner]: procedures = 277, calls = 39, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 155 [2022-11-20 18:08:49,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:08:49,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:08:49,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:08:49,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:08:49,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:49" (1/1) ... [2022-11-20 18:08:49,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:49" (1/1) ... [2022-11-20 18:08:49,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:49" (1/1) ... [2022-11-20 18:08:49,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:49" (1/1) ... [2022-11-20 18:08:49,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:49" (1/1) ... [2022-11-20 18:08:49,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:49" (1/1) ... [2022-11-20 18:08:49,655 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:49" (1/1) ... [2022-11-20 18:08:49,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:49" (1/1) ... [2022-11-20 18:08:49,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:08:49,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:08:49,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:08:49,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:08:49,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:49" (1/1) ... [2022-11-20 18:08:49,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:08:49,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:08:49,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:08:49,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:08:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 18:08:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 18:08:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 18:08:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 18:08:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:08:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:08:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:08:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:08:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 18:08:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:08:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:08:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:08:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:08:49,764 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 18:08:49,920 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:08:49,922 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:08:50,387 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:08:50,396 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:08:50,404 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 18:08:50,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:08:50 BoogieIcfgContainer [2022-11-20 18:08:50,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:08:50,408 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:08:50,409 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:08:50,420 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:08:50,420 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:08:50" (1/1) ... [2022-11-20 18:08:50,421 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 18:08:50,426 INFO L158 Benchmark]: Toolchain (without parser) took 1721.57ms. Allocated memory is still 157.3MB. Free memory was 125.2MB in the beginning and 70.8MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-11-20 18:08:50,426 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:08:50,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 862.83ms. Allocated memory is still 157.3MB. Free memory was 125.2MB in the beginning and 95.7MB in the end (delta: 29.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-20 18:08:50,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.62ms. Allocated memory is still 157.3MB. Free memory was 95.7MB in the beginning and 93.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:08:50,429 INFO L158 Benchmark]: Boogie Preprocessor took 34.93ms. Allocated memory is still 157.3MB. Free memory was 92.5MB in the beginning and 90.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:08:50,429 INFO L158 Benchmark]: RCFGBuilder took 746.30ms. Allocated memory is still 157.3MB. Free memory was 90.9MB in the beginning and 71.4MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 18:08:50,430 INFO L158 Benchmark]: CodeCheck took 15.92ms. Allocated memory is still 157.3MB. Free memory was 71.4MB in the beginning and 70.8MB in the end (delta: 597.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:08:50,437 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 862.83ms. Allocated memory is still 157.3MB. Free memory was 125.2MB in the beginning and 95.7MB in the end (delta: 29.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.62ms. Allocated memory is still 157.3MB. Free memory was 95.7MB in the beginning and 93.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.93ms. Allocated memory is still 157.3MB. Free memory was 92.5MB in the beginning and 90.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 746.30ms. Allocated memory is still 157.3MB. Free memory was 90.9MB in the beginning and 71.4MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 15.92ms. Allocated memory is still 157.3MB. Free memory was 71.4MB in the beginning and 70.8MB in the end (delta: 597.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 18:08:50,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:08:53,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:08:53,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:08:53,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:08:53,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:08:53,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:08:53,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:08:53,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:08:53,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:08:53,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:08:53,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:08:53,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:08:53,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:08:53,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:08:53,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:08:53,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:08:53,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:08:53,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:08:53,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:08:53,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:08:53,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:08:53,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:08:53,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:08:53,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:08:53,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:08:53,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:08:53,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:08:53,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:08:53,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:08:53,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:08:53,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:08:53,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:08:53,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:08:53,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:08:53,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:08:53,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:08:53,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:08:53,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:08:53,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:08:53,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:08:53,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:08:53,183 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2022-11-20 18:08:53,225 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:08:53,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:08:53,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:08:53,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:08:53,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:08:53,231 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:08:53,231 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:08:53,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:08:53,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:08:53,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:08:53,233 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 18:08:53,233 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 18:08:53,233 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 18:08:53,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:08:53,234 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 18:08:53,234 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 18:08:53,234 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 18:08:53,234 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:08:53,235 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:08:53,235 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:08:53,235 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:08:53,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:08:53,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:08:53,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:08:53,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:08:53,236 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 18:08:53,236 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 18:08:53,236 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 18:08:53,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 18:08:53,237 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_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2022-11-20 18:08:53,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:08:53,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:08:53,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:08:53,694 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:08:53,694 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:08:53,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/stack_longest-1.i [2022-11-20 18:08:57,006 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:08:57,368 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:08:57,369 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/sv-benchmarks/c/pthread/stack_longest-1.i [2022-11-20 18:08:57,382 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/data/47c82dff9/51843b95261d4815917ac01bd5b0260f/FLAG75abf5238 [2022-11-20 18:08:57,404 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/data/47c82dff9/51843b95261d4815917ac01bd5b0260f [2022-11-20 18:08:57,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:08:57,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:08:57,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:08:57,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:08:57,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:08:57,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:08:57" (1/1) ... [2022-11-20 18:08:57,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d696cc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:57, skipping insertion in model container [2022-11-20 18:08:57,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:08:57" (1/1) ... [2022-11-20 18:08:57,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:08:57,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:08:57,988 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_4ac50d23-1144-4404-b0af-d7f8ce066ea9/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-11-20 18:08:58,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:08:58,050 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:08:58,087 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_4ac50d23-1144-4404-b0af-d7f8ce066ea9/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-11-20 18:08:58,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:08:58,172 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:08:58,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:58 WrapperNode [2022-11-20 18:08:58,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:08:58,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:08:58,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:08:58,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:08:58,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:58" (1/1) ... [2022-11-20 18:08:58,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:58" (1/1) ... [2022-11-20 18:08:58,267 INFO L138 Inliner]: procedures = 281, calls = 39, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 151 [2022-11-20 18:08:58,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:08:58,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:08:58,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:08:58,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:08:58,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:58" (1/1) ... [2022-11-20 18:08:58,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:58" (1/1) ... [2022-11-20 18:08:58,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:58" (1/1) ... [2022-11-20 18:08:58,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:58" (1/1) ... [2022-11-20 18:08:58,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:58" (1/1) ... [2022-11-20 18:08:58,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:58" (1/1) ... [2022-11-20 18:08:58,323 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:58" (1/1) ... [2022-11-20 18:08:58,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:58" (1/1) ... [2022-11-20 18:08:58,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:08:58,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:08:58,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:08:58,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:08:58,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:58" (1/1) ... [2022-11-20 18:08:58,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:08:58,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:08:58,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:08:58,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:08:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 18:08:58,445 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 18:08:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 18:08:58,446 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 18:08:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 18:08:58,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:08:58,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:08:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 18:08:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 18:08:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 18:08:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 18:08:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:08:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:08:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:08:58,451 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 18:08:58,698 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:08:58,701 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:08:59,096 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:08:59,105 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:08:59,105 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 18:08:59,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:08:59 BoogieIcfgContainer [2022-11-20 18:08:59,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:08:59,109 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:08:59,109 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:08:59,119 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:08:59,120 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:08:59" (1/1) ... [2022-11-20 18:08:59,120 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 18:08:59,127 INFO L158 Benchmark]: Toolchain (without parser) took 1716.95ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 41.2MB in the beginning and 44.3MB in the end (delta: -3.1MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2022-11-20 18:08:59,127 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory is still 42.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:08:59,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 760.42ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 40.9MB in the beginning and 44.4MB in the end (delta: -3.5MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2022-11-20 18:08:59,130 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.21ms. Allocated memory is still 83.9MB. Free memory was 44.4MB in the beginning and 41.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:08:59,131 INFO L158 Benchmark]: Boogie Preprocessor took 69.16ms. Allocated memory is still 83.9MB. Free memory was 41.9MB in the beginning and 39.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:08:59,132 INFO L158 Benchmark]: RCFGBuilder took 769.51ms. Allocated memory is still 83.9MB. Free memory was 39.5MB in the beginning and 45.3MB in the end (delta: -5.8MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2022-11-20 18:08:59,132 INFO L158 Benchmark]: CodeCheck took 16.20ms. Allocated memory is still 83.9MB. Free memory was 45.3MB in the beginning and 44.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:08:59,142 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 0.19ms. Allocated memory is still 65.0MB. Free memory is still 42.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 760.42ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 40.9MB in the beginning and 44.4MB in the end (delta: -3.5MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.21ms. Allocated memory is still 83.9MB. Free memory was 44.4MB in the beginning and 41.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.16ms. Allocated memory is still 83.9MB. Free memory was 41.9MB in the beginning and 39.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 769.51ms. Allocated memory is still 83.9MB. Free memory was 39.5MB in the beginning and 45.3MB in the end (delta: -5.8MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * CodeCheck took 16.20ms. Allocated memory is still 83.9MB. Free memory was 45.3MB in the beginning and 44.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 18:08:59,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac50d23-1144-4404-b0af-d7f8ce066ea9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported