./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/NestedRecursion_2a.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8502c9-0e5e-4225-b17a-0d95e935a316/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8502c9-0e5e-4225-b17a-0d95e935a316/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8502c9-0e5e-4225-b17a-0d95e935a316/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8502c9-0e5e-4225-b17a-0d95e935a316/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/NestedRecursion_2a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8502c9-0e5e-4225-b17a-0d95e935a316/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8502c9-0e5e-4225-b17a-0d95e935a316/bin/ukojak-2xVlg8857e --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 64bit --witnessprinter.graph.data.programhash d1b4f878f349b01f3590c559873a0592fcefb7dcee6776147b1461d6eff5d64d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:41:59,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:41:59,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:41:59,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:41:59,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:41:59,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:41:59,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:41:59,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:41:59,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:41:59,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:41:59,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:41:59,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:41:59,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:41:59,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:41:59,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:41:59,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:41:59,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:41:59,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:41:59,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:41:59,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:41:59,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:41:59,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:41:59,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:41:59,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:41:59,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:41:59,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:41:59,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:41:59,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:41:59,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:41:59,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:41:59,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:41:59,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:41:59,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:41:59,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:41:59,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:41:59,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:41:59,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:41:59,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:41:59,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:41:59,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:41:59,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:41:59,945 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8502c9-0e5e-4225-b17a-0d95e935a316/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 22:41:59,982 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:41:59,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:41:59,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 22:41:59,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 22:41:59,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:41:59,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:41:59,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:41:59,985 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 22:41:59,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:41:59,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:41:59,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 22:41:59,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:41:59,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 22:41:59,994 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 22:41:59,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 22:41:59,994 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:41:59,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 22:41:59,995 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:41:59,995 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:41:59,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:41:59,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:41:59,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:41:59,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:41:59,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 22:41:59,996 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:41:59,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:41:59,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 22:41:59,997 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_1d8502c9-0e5e-4225-b17a-0d95e935a316/bin/ukojak-2xVlg8857e/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8502c9-0e5e-4225-b17a-0d95e935a316/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1b4f878f349b01f3590c559873a0592fcefb7dcee6776147b1461d6eff5d64d [2021-11-13 22:42:00,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:42:00,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:42:00,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:42:00,341 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:42:00,342 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:42:00,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8502c9-0e5e-4225-b17a-0d95e935a316/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-crafted/NestedRecursion_2a.c [2021-11-13 22:42:00,413 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8502c9-0e5e-4225-b17a-0d95e935a316/bin/ukojak-2xVlg8857e/data/cdc9fdcd7/e7bd0926ab5b46a5ac443641ff49fb23/FLAG0c3821e6c [2021-11-13 22:42:00,841 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:42:00,842 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8502c9-0e5e-4225-b17a-0d95e935a316/sv-benchmarks/c/termination-crafted/NestedRecursion_2a.c [2021-11-13 22:42:00,848 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8502c9-0e5e-4225-b17a-0d95e935a316/bin/ukojak-2xVlg8857e/data/cdc9fdcd7/e7bd0926ab5b46a5ac443641ff49fb23/FLAG0c3821e6c [2021-11-13 22:42:01,244 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8502c9-0e5e-4225-b17a-0d95e935a316/bin/ukojak-2xVlg8857e/data/cdc9fdcd7/e7bd0926ab5b46a5ac443641ff49fb23 [2021-11-13 22:42:01,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:42:01,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:42:01,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:42:01,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:42:01,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:42:01,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:42:01" (1/1) ... [2021-11-13 22:42:01,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5de02bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:01, skipping insertion in model container [2021-11-13 22:42:01,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:42:01" (1/1) ... [2021-11-13 22:42:01,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:42:01,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:42:01,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:42:01,419 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:42:01,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:42:01,451 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:42:01,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:01 WrapperNode [2021-11-13 22:42:01,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:42:01,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:42:01,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:42:01,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:42:01,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:01" (1/1) ... [2021-11-13 22:42:01,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:01" (1/1) ... [2021-11-13 22:42:01,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:42:01,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:42:01,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:42:01,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:42:01,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:01" (1/1) ... [2021-11-13 22:42:01,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:01" (1/1) ... [2021-11-13 22:42:01,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:01" (1/1) ... [2021-11-13 22:42:01,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:01" (1/1) ... [2021-11-13 22:42:01,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:01" (1/1) ... [2021-11-13 22:42:01,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:01" (1/1) ... [2021-11-13 22:42:01,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:01" (1/1) ... [2021-11-13 22:42:01,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:42:01,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:42:01,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:42:01,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:42:01,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:01" (1/1) ... [2021-11-13 22:42:01,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:42:01,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8502c9-0e5e-4225-b17a-0d95e935a316/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:42:01,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8502c9-0e5e-4225-b17a-0d95e935a316/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:42:01,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8502c9-0e5e-4225-b17a-0d95e935a316/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:42:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-11-13 22:42:01,604 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-11-13 22:42:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:42:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:42:01,802 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:42:01,802 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 22:42:01,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:42:01 BoogieIcfgContainer [2021-11-13 22:42:01,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:42:01,808 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:42:01,808 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:42:01,819 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:42:01,819 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:42:01" (1/1) ... [2021-11-13 22:42:01,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 22:42:01,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:01,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2021-11-13 22:42:01,888 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-11-13 22:42:01,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 22:42:01,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:01,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:02,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:42:02,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:02,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 23 transitions. [2021-11-13 22:42:02,106 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-11-13 22:42:02,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:42:02,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:02,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 22:42:02,115 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 22:42:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 22:42:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 22:42:02,144 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 22:42:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 22:42:02,154 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2021-11-13 22:42:02,170 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.reportResult(CodeCheckObserver.java:793) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.reportCounterexampleResult(CodeCheckObserver.java:763) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:524) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 22:42:02,174 INFO L158 Benchmark]: Toolchain (without parser) took 924.90ms. Allocated memory is still 109.1MB. Free memory was 74.5MB in the beginning and 60.8MB in the end (delta: 13.7MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2021-11-13 22:42:02,175 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 109.1MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 22:42:02,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.68ms. Allocated memory is still 109.1MB. Free memory was 74.3MB in the beginning and 86.5MB in the end (delta: -12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 22:42:02,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.48ms. Allocated memory is still 109.1MB. Free memory was 86.5MB in the beginning and 85.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 22:42:02,178 INFO L158 Benchmark]: Boogie Preprocessor took 16.62ms. Allocated memory is still 109.1MB. Free memory was 85.4MB in the beginning and 84.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 22:42:02,179 INFO L158 Benchmark]: RCFGBuilder took 304.93ms. Allocated memory is still 109.1MB. Free memory was 84.4MB in the beginning and 76.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 22:42:02,181 INFO L158 Benchmark]: CodeCheck took 364.77ms. Allocated memory is still 109.1MB. Free memory was 75.5MB in the beginning and 60.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 22:42:02,187 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 31.45ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 25.14ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 4 mSDtfsCounter, 19 mSolverCounterSat, 1.27ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 109.1MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.68ms. Allocated memory is still 109.1MB. Free memory was 74.3MB in the beginning and 86.5MB in the end (delta: -12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.48ms. Allocated memory is still 109.1MB. Free memory was 86.5MB in the beginning and 85.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.62ms. Allocated memory is still 109.1MB. Free memory was 85.4MB in the beginning and 84.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 304.93ms. Allocated memory is still 109.1MB. Free memory was 84.4MB in the beginning and 76.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 364.77ms. Allocated memory is still 109.1MB. Free memory was 75.5MB in the beginning and 60.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 22:42:02,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8502c9-0e5e-4225-b17a-0d95e935a316/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8502c9-0e5e-4225-b17a-0d95e935a316/bin/ukojak-2xVlg8857e/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null