./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/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_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- Real Ultimate output --- [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 22:32:33,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:32:33,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:32:33,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:32:33,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:32:33,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:32:33,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:32:33,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:32:33,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:32:33,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:32:33,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:32:33,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:32:33,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:32:33,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:32:33,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:32:33,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:32:33,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:32:33,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:32:33,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:32:33,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:32:33,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:32:33,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:32:33,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:32:33,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:32:33,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:32:33,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:32:33,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:32:33,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:32:33,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:32:33,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:32:33,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:32:33,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:32:33,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:32:33,940 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:32:33,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:32:33,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:32:33,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:32:33,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:32:33,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:32:33,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:32:33,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:32:33,962 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-21 22:32:33,998 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:32:33,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:32:33,999 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:32:33,999 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:32:34,000 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:32:34,000 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:32:34,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:32:34,001 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:32:34,001 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:32:34,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:32:34,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:32:34,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:32:34,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:32:34,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:32:34,002 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:32:34,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:32:34,002 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:32:34,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:32:34,003 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:32:34,003 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:32:34,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:32:34,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:32:34,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:32:34,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:32:34,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:32:34,004 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:32:34,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:32:34,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:32:34,005 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_8ab10369-d3b3-4afc-b73c-734414a89173/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2022-11-21 22:32:34,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:32:34,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:32:34,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:32:34,347 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:32:34,347 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:32:34,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread/stack_longest-1.i [2022-11-21 22:32:37,549 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:32:37,877 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:32:37,878 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/sv-benchmarks/c/pthread/stack_longest-1.i [2022-11-21 22:32:37,900 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/data/ed64786de/f54c6ec3a66545f69bbb2bd70e771c2b/FLAG2344fbb87 [2022-11-21 22:32:37,919 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/data/ed64786de/f54c6ec3a66545f69bbb2bd70e771c2b [2022-11-21 22:32:37,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:32:37,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:32:37,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:32:37,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:32:37,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:32:37,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:32:37" (1/1) ... [2022-11-21 22:32:37,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@397ea6ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:37, skipping insertion in model container [2022-11-21 22:32:37,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:32:37" (1/1) ... [2022-11-21 22:32:37,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:32:37,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:32:38,437 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_8ab10369-d3b3-4afc-b73c-734414a89173/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-11-21 22:32:38,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:32:38,476 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:32:38,528 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_8ab10369-d3b3-4afc-b73c-734414a89173/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-11-21 22:32:38,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:32:38,610 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:32:38,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:38 WrapperNode [2022-11-21 22:32:38,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:32:38,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:32:38,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:32:38,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:32:38,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:38" (1/1) ... [2022-11-21 22:32:38,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:38" (1/1) ... [2022-11-21 22:32:38,663 INFO L138 Inliner]: procedures = 277, calls = 39, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 141 [2022-11-21 22:32:38,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:32:38,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:32:38,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:32:38,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:32:38,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:38" (1/1) ... [2022-11-21 22:32:38,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:38" (1/1) ... [2022-11-21 22:32:38,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:38" (1/1) ... [2022-11-21 22:32:38,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:38" (1/1) ... [2022-11-21 22:32:38,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:38" (1/1) ... [2022-11-21 22:32:38,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:38" (1/1) ... [2022-11-21 22:32:38,692 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:38" (1/1) ... [2022-11-21 22:32:38,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:38" (1/1) ... [2022-11-21 22:32:38,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:32:38,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:32:38,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:32:38,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:32:38,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:38" (1/1) ... [2022-11-21 22:32:38,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:32:38,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:32:38,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:32:38,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:32:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-21 22:32:38,767 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-21 22:32:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-21 22:32:38,768 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-21 22:32:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:32:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:32:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:32:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:32:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-11-21 22:32:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-11-21 22:32:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 22:32:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:32:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-11-21 22:32:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-11-21 22:32:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:32:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:32:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:32:38,772 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 22:32:38,914 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:32:38,916 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:32:39,270 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:32:39,279 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:32:39,279 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:32:39,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:32:39 BoogieIcfgContainer [2022-11-21 22:32:39,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:32:39,283 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:32:39,283 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:32:39,314 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:32:39,315 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:32:39" (1/1) ... [2022-11-21 22:32:39,316 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 22:32:39,328 INFO L158 Benchmark]: Toolchain (without parser) took 1404.23ms. Allocated memory is still 159.4MB. Free memory was 130.1MB in the beginning and 128.0MB in the end (delta: 2.1MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2022-11-21 22:32:39,329 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:32:39,329 INFO L158 Benchmark]: CACSL2BoogieTranslator took 686.13ms. Allocated memory is still 159.4MB. Free memory was 129.5MB in the beginning and 100.8MB in the end (delta: 28.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-21 22:32:39,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.31ms. Allocated memory is still 159.4MB. Free memory was 100.8MB in the beginning and 98.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:32:39,331 INFO L158 Benchmark]: Boogie Preprocessor took 32.50ms. Allocated memory is still 159.4MB. Free memory was 98.0MB in the beginning and 95.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:32:39,332 INFO L158 Benchmark]: RCFGBuilder took 584.44ms. Allocated memory is still 159.4MB. Free memory was 95.9MB in the beginning and 78.5MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 22:32:39,333 INFO L158 Benchmark]: CodeCheck took 43.84ms. Allocated memory is still 159.4MB. Free memory was 78.5MB in the beginning and 128.0MB in the end (delta: -49.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2022-11-21 22:32:39,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 686.13ms. Allocated memory is still 159.4MB. Free memory was 129.5MB in the beginning and 100.8MB in the end (delta: 28.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.31ms. Allocated memory is still 159.4MB. Free memory was 100.8MB in the beginning and 98.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.50ms. Allocated memory is still 159.4MB. Free memory was 98.0MB in the beginning and 95.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 584.44ms. Allocated memory is still 159.4MB. Free memory was 95.9MB in the beginning and 78.5MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 43.84ms. Allocated memory is still 159.4MB. Free memory was 78.5MB in the beginning and 128.0MB in the end (delta: -49.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 22:32:39,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/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_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- Real Ultimate output --- [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 22:32:41,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:32:41,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:32:41,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:32:41,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:32:41,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:32:41,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:32:41,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:32:41,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:32:41,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:32:41,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:32:41,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:32:41,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:32:41,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:32:41,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:32:41,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:32:41,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:32:41,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:32:41,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:32:41,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:32:41,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:32:41,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:32:41,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:32:41,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:32:41,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:32:41,998 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:32:41,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:32:41,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:32:42,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:32:42,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:32:42,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:32:42,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:32:42,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:32:42,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:32:42,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:32:42,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:32:42,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:32:42,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:32:42,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:32:42,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:32:42,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:32:42,016 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-11-21 22:32:42,060 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:32:42,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:32:42,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:32:42,063 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:32:42,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:32:42,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:32:42,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:32:42,064 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:32:42,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:32:42,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:32:42,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:32:42,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:32:42,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:32:42,066 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 22:32:42,067 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 22:32:42,067 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 22:32:42,067 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:32:42,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:32:42,068 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:32:42,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:32:42,068 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:32:42,068 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:32:42,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:32:42,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:32:42,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:32:42,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:32:42,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:32:42,070 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 22:32:42,070 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 22:32:42,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:32:42,071 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 22:32:42,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 22:32:42,071 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_8ab10369-d3b3-4afc-b73c-734414a89173/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2022-11-21 22:32:42,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:32:42,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:32:42,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:32:42,502 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:32:42,502 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:32:42,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread/stack_longest-1.i [2022-11-21 22:32:45,827 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:32:46,194 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:32:46,201 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/sv-benchmarks/c/pthread/stack_longest-1.i [2022-11-21 22:32:46,218 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/data/2497e7d4e/4d65c3d9904243bda1a8464052232787/FLAG70b794683 [2022-11-21 22:32:46,245 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/data/2497e7d4e/4d65c3d9904243bda1a8464052232787 [2022-11-21 22:32:46,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:32:46,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:32:46,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:32:46,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:32:46,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:32:46,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:32:46" (1/1) ... [2022-11-21 22:32:46,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a30300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:46, skipping insertion in model container [2022-11-21 22:32:46,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:32:46" (1/1) ... [2022-11-21 22:32:46,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:32:46,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:32:46,910 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_8ab10369-d3b3-4afc-b73c-734414a89173/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-11-21 22:32:46,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:32:46,970 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:32:47,044 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_8ab10369-d3b3-4afc-b73c-734414a89173/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-11-21 22:32:47,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:32:47,147 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:32:47,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:47 WrapperNode [2022-11-21 22:32:47,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:32:47,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:32:47,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:32:47,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:32:47,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:47" (1/1) ... [2022-11-21 22:32:47,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:47" (1/1) ... [2022-11-21 22:32:47,230 INFO L138 Inliner]: procedures = 281, calls = 39, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 137 [2022-11-21 22:32:47,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:32:47,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:32:47,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:32:47,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:32:47,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:47" (1/1) ... [2022-11-21 22:32:47,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:47" (1/1) ... [2022-11-21 22:32:47,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:47" (1/1) ... [2022-11-21 22:32:47,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:47" (1/1) ... [2022-11-21 22:32:47,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:47" (1/1) ... [2022-11-21 22:32:47,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:47" (1/1) ... [2022-11-21 22:32:47,285 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:47" (1/1) ... [2022-11-21 22:32:47,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:47" (1/1) ... [2022-11-21 22:32:47,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:32:47,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:32:47,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:32:47,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:32:47,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:32:47" (1/1) ... [2022-11-21 22:32:47,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:32:47,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:32:47,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:32:47,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:32:47,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 22:32:47,389 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-21 22:32:47,389 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-21 22:32:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-21 22:32:47,390 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-21 22:32:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:32:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:32:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 22:32:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 22:32:47,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-21 22:32:47,391 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-11-21 22:32:47,391 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-11-21 22:32:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 22:32:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:32:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-11-21 22:32:47,392 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-11-21 22:32:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:32:47,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:32:47,394 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 22:32:47,559 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:32:47,561 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:32:47,860 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:32:47,868 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:32:47,868 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:32:47,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:32:47 BoogieIcfgContainer [2022-11-21 22:32:47,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:32:47,871 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:32:47,871 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:32:47,881 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:32:47,881 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:32:47" (1/1) ... [2022-11-21 22:32:47,882 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 22:32:47,886 INFO L158 Benchmark]: Toolchain (without parser) took 1633.58ms. Allocated memory is still 77.6MB. Free memory was 54.2MB in the beginning and 41.0MB in the end (delta: 13.2MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2022-11-21 22:32:47,887 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 56.6MB. Free memory was 34.7MB in the beginning and 34.7MB in the end (delta: 40.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:32:47,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 892.50ms. Allocated memory is still 77.6MB. Free memory was 53.8MB in the beginning and 41.7MB in the end (delta: 12.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2022-11-21 22:32:47,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.06ms. Allocated memory is still 77.6MB. Free memory was 41.7MB in the beginning and 38.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:32:47,889 INFO L158 Benchmark]: Boogie Preprocessor took 72.52ms. Allocated memory is still 77.6MB. Free memory was 38.9MB in the beginning and 36.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:32:47,889 INFO L158 Benchmark]: RCFGBuilder took 565.53ms. Allocated memory is still 77.6MB. Free memory was 36.5MB in the beginning and 42.3MB in the end (delta: -5.7MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2022-11-21 22:32:47,890 INFO L158 Benchmark]: CodeCheck took 13.33ms. Allocated memory is still 77.6MB. Free memory was 42.3MB in the beginning and 41.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:32:47,893 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 56.6MB. Free memory was 34.7MB in the beginning and 34.7MB in the end (delta: 40.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 892.50ms. Allocated memory is still 77.6MB. Free memory was 53.8MB in the beginning and 41.7MB in the end (delta: 12.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.06ms. Allocated memory is still 77.6MB. Free memory was 41.7MB in the beginning and 38.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.52ms. Allocated memory is still 77.6MB. Free memory was 38.9MB in the beginning and 36.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 565.53ms. Allocated memory is still 77.6MB. Free memory was 36.5MB in the beginning and 42.3MB in the end (delta: -5.7MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * CodeCheck took 13.33ms. Allocated memory is still 77.6MB. Free memory was 42.3MB in the beginning and 41.0MB in the end (delta: 1.2MB). 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 22:32:47,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ab10369-d3b3-4afc-b73c-734414a89173/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