./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack_longer-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/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_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 --- 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 16:40:05,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:40:05,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:40:05,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:40:05,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:40:05,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:40:05,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:40:05,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:40:05,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:40:05,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:40:05,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:40:05,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:40:05,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:40:05,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:40:05,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:40:05,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:40:05,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:40:05,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:40:05,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:40:05,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:40:05,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:40:05,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:40:05,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:40:05,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:40:05,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:40:05,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:40:05,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:40:05,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:40:05,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:40:05,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:40:05,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:40:05,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:40:05,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:40:05,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:40:05,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:40:05,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:40:05,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:40:05,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:40:05,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:40:05,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:40:05,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:40:05,968 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 16:40:05,995 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:40:05,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:40:06,001 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:40:06,001 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:40:06,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:40:06,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:40:06,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:40:06,004 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:40:06,004 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:40:06,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:40:06,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:40:06,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:40:06,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:40:06,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:40:06,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:40:06,005 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:40:06,005 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:40:06,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:40:06,006 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:40:06,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:40:06,006 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:40:06,006 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:40:06,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:40:06,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:40:06,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:40:06,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:40:06,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:40:06,008 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:40:06,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:40:06,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:40:06,008 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_74976cd8-5f3d-4e36-9e0a-04843e52b95f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 [2022-11-20 16:40:06,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:40:06,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:40:06,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:40:06,297 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:40:06,299 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:40:06,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/stack_longer-2.i [2022-11-20 16:40:09,339 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:40:09,659 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:40:09,660 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/sv-benchmarks/c/pthread/stack_longer-2.i [2022-11-20 16:40:09,692 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ/data/2d5cac84f/13fe24a3a5f645f4b6b86231c3511231/FLAG2184ada68 [2022-11-20 16:40:09,708 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ/data/2d5cac84f/13fe24a3a5f645f4b6b86231c3511231 [2022-11-20 16:40:09,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:40:09,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:40:09,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:40:09,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:40:09,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:40:09,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:40:09" (1/1) ... [2022-11-20 16:40:09,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63358817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:09, skipping insertion in model container [2022-11-20 16:40:09,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:40:09" (1/1) ... [2022-11-20 16:40:09,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:40:09,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:40:10,245 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_74976cd8-5f3d-4e36-9e0a-04843e52b95f/sv-benchmarks/c/pthread/stack_longer-2.i[41529,41542] [2022-11-20 16:40:10,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:40:10,290 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:40:10,359 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_74976cd8-5f3d-4e36-9e0a-04843e52b95f/sv-benchmarks/c/pthread/stack_longer-2.i[41529,41542] [2022-11-20 16:40:10,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:40:10,435 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:40:10,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:10 WrapperNode [2022-11-20 16:40:10,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:40:10,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:40:10,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:40:10,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:40:10,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:10" (1/1) ... [2022-11-20 16:40:10,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:10" (1/1) ... [2022-11-20 16:40:10,508 INFO L138 Inliner]: procedures = 277, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 144 [2022-11-20 16:40:10,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:40:10,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:40:10,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:40:10,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:40:10,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:10" (1/1) ... [2022-11-20 16:40:10,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:10" (1/1) ... [2022-11-20 16:40:10,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:10" (1/1) ... [2022-11-20 16:40:10,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:10" (1/1) ... [2022-11-20 16:40:10,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:10" (1/1) ... [2022-11-20 16:40:10,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:10" (1/1) ... [2022-11-20 16:40:10,536 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:10" (1/1) ... [2022-11-20 16:40:10,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:10" (1/1) ... [2022-11-20 16:40:10,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:40:10,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:40:10,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:40:10,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:40:10,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:10" (1/1) ... [2022-11-20 16:40:10,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:40:10,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:40:10,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:40:10,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:40:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 16:40:10,621 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 16:40:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 16:40:10,622 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 16:40:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:40:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:40:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:40:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:40:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-11-20 16:40:10,622 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-11-20 16:40:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 16:40:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:40:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-11-20 16:40:10,623 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-11-20 16:40:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:40:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:40:10,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:40:10,630 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 16:40:10,773 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:40:10,775 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:40:11,149 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:40:11,158 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:40:11,158 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:40:11,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:40:11 BoogieIcfgContainer [2022-11-20 16:40:11,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:40:11,161 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:40:11,162 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:40:11,183 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:40:11,183 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:40:11" (1/1) ... [2022-11-20 16:40:11,184 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 16:40:11,189 INFO L158 Benchmark]: Toolchain (without parser) took 1476.10ms. Allocated memory is still 178.3MB. Free memory was 145.3MB in the beginning and 144.8MB in the end (delta: 501.7kB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2022-11-20 16:40:11,189 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:40:11,190 INFO L158 Benchmark]: CACSL2BoogieTranslator took 723.14ms. Allocated memory is still 178.3MB. Free memory was 145.3MB in the beginning and 116.1MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-20 16:40:11,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.73ms. Allocated memory is still 178.3MB. Free memory was 116.1MB in the beginning and 113.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:40:11,193 INFO L158 Benchmark]: Boogie Preprocessor took 31.81ms. Allocated memory is still 178.3MB. Free memory was 113.5MB in the beginning and 111.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:40:11,195 INFO L158 Benchmark]: RCFGBuilder took 618.75ms. Allocated memory is still 178.3MB. Free memory was 111.4MB in the beginning and 145.8MB in the end (delta: -34.4MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2022-11-20 16:40:11,196 INFO L158 Benchmark]: CodeCheck took 25.76ms. Allocated memory is still 178.3MB. Free memory was 145.8MB in the beginning and 144.8MB in the end (delta: 994.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:40:11,199 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 0.20ms. Allocated memory is still 134.2MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 723.14ms. Allocated memory is still 178.3MB. Free memory was 145.3MB in the beginning and 116.1MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.73ms. Allocated memory is still 178.3MB. Free memory was 116.1MB in the beginning and 113.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.81ms. Allocated memory is still 178.3MB. Free memory was 113.5MB in the beginning and 111.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 618.75ms. Allocated memory is still 178.3MB. Free memory was 111.4MB in the beginning and 145.8MB in the end (delta: -34.4MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * CodeCheck took 25.76ms. Allocated memory is still 178.3MB. Free memory was 145.8MB in the beginning and 144.8MB in the end (delta: 994.9kB). 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 16:40:11,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/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_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 --- 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 16:40:13,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:40:13,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:40:13,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:40:13,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:40:13,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:40:13,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:40:13,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:40:13,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:40:13,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:40:13,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:40:13,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:40:13,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:40:13,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:40:13,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:40:13,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:40:13,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:40:13,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:40:13,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:40:13,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:40:13,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:40:13,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:40:13,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:40:13,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:40:13,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:40:13,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:40:13,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:40:13,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:40:13,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:40:13,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:40:13,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:40:13,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:40:13,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:40:13,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:40:13,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:40:13,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:40:13,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:40:13,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:40:13,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:40:13,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:40:13,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:40:13,816 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 16:40:13,856 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:40:13,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:40:13,859 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:40:13,860 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:40:13,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:40:13,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:40:13,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:40:13,861 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:40:13,861 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:40:13,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:40:13,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:40:13,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:40:13,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:40:13,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:40:13,863 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 16:40:13,864 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 16:40:13,864 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:40:13,864 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 16:40:13,864 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:40:13,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:40:13,865 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:40:13,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:40:13,865 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:40:13,865 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:40:13,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:40:13,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:40:13,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:40:13,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:40:13,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:40:13,867 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 16:40:13,867 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 16:40:13,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:40:13,868 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 16:40:13,868 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 16:40:13,868 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_74976cd8-5f3d-4e36-9e0a-04843e52b95f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 [2022-11-20 16:40:14,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:40:14,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:40:14,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:40:14,295 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:40:14,295 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:40:14,297 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/stack_longer-2.i [2022-11-20 16:40:17,399 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:40:17,693 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:40:17,694 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/sv-benchmarks/c/pthread/stack_longer-2.i [2022-11-20 16:40:17,709 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ/data/37ba70b47/39ab8dd0ddae47739c95577de8b613ef/FLAGee5a8a34b [2022-11-20 16:40:17,729 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ/data/37ba70b47/39ab8dd0ddae47739c95577de8b613ef [2022-11-20 16:40:17,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:40:17,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:40:17,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:40:17,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:40:17,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:40:17,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:40:17" (1/1) ... [2022-11-20 16:40:17,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@498c5658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:17, skipping insertion in model container [2022-11-20 16:40:17,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:40:17" (1/1) ... [2022-11-20 16:40:17,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:40:17,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:40:18,271 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_74976cd8-5f3d-4e36-9e0a-04843e52b95f/sv-benchmarks/c/pthread/stack_longer-2.i[41529,41542] [2022-11-20 16:40:18,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:40:18,312 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:40:18,349 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_74976cd8-5f3d-4e36-9e0a-04843e52b95f/sv-benchmarks/c/pthread/stack_longer-2.i[41529,41542] [2022-11-20 16:40:18,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:40:18,419 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:40:18,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:18 WrapperNode [2022-11-20 16:40:18,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:40:18,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:40:18,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:40:18,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:40:18,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:18" (1/1) ... [2022-11-20 16:40:18,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:18" (1/1) ... [2022-11-20 16:40:18,479 INFO L138 Inliner]: procedures = 281, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 141 [2022-11-20 16:40:18,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:40:18,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:40:18,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:40:18,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:40:18,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:18" (1/1) ... [2022-11-20 16:40:18,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:18" (1/1) ... [2022-11-20 16:40:18,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:18" (1/1) ... [2022-11-20 16:40:18,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:18" (1/1) ... [2022-11-20 16:40:18,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:18" (1/1) ... [2022-11-20 16:40:18,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:18" (1/1) ... [2022-11-20 16:40:18,518 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:18" (1/1) ... [2022-11-20 16:40:18,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:18" (1/1) ... [2022-11-20 16:40:18,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:40:18,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:40:18,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:40:18,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:40:18,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:18" (1/1) ... [2022-11-20 16:40:18,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:40:18,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:40:18,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:40:18,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:40:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 16:40:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 16:40:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 16:40:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 16:40:18,618 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 16:40:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:40:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:40:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 16:40:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 16:40:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 16:40:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-11-20 16:40:18,619 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-11-20 16:40:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 16:40:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:40:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-11-20 16:40:18,619 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-11-20 16:40:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:40:18,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:40:18,621 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 16:40:18,780 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:40:18,782 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:40:19,260 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:40:19,268 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:40:19,268 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:40:19,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:40:19 BoogieIcfgContainer [2022-11-20 16:40:19,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:40:19,271 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:40:19,271 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:40:19,281 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:40:19,281 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:40:19" (1/1) ... [2022-11-20 16:40:19,282 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 16:40:19,286 INFO L158 Benchmark]: Toolchain (without parser) took 1551.78ms. Allocated memory is still 83.9MB. Free memory was 41.3MB in the beginning and 43.4MB in the end (delta: -2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:40:19,286 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:40:19,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 675.06ms. Allocated memory is still 83.9MB. Free memory was 41.1MB in the beginning and 39.8MB in the end (delta: 1.4MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2022-11-20 16:40:19,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.70ms. Allocated memory is still 83.9MB. Free memory was 39.5MB in the beginning and 36.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:40:19,288 INFO L158 Benchmark]: Boogie Preprocessor took 43.23ms. Allocated memory is still 83.9MB. Free memory was 36.8MB in the beginning and 34.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:40:19,289 INFO L158 Benchmark]: RCFGBuilder took 746.14ms. Allocated memory is still 83.9MB. Free memory was 34.5MB in the beginning and 44.3MB in the end (delta: -9.8MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-11-20 16:40:19,290 INFO L158 Benchmark]: CodeCheck took 13.35ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 43.4MB in the end (delta: 856.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:40:19,293 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 83.9MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 675.06ms. Allocated memory is still 83.9MB. Free memory was 41.1MB in the beginning and 39.8MB in the end (delta: 1.4MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.70ms. Allocated memory is still 83.9MB. Free memory was 39.5MB in the beginning and 36.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.23ms. Allocated memory is still 83.9MB. Free memory was 36.8MB in the beginning and 34.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 746.14ms. Allocated memory is still 83.9MB. Free memory was 34.5MB in the beginning and 44.3MB in the end (delta: -9.8MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * CodeCheck took 13.35ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 43.4MB in the end (delta: 856.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 16:40:19,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74976cd8-5f3d-4e36-9e0a-04843e52b95f/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