./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex6.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_8a328af6-33c4-4f6e-8064-bf65de02b4a3/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a328af6-33c4-4f6e-8064-bf65de02b4a3/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_8a328af6-33c4-4f6e-8064-bf65de02b4a3/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a328af6-33c4-4f6e-8064-bf65de02b4a3/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a328af6-33c4-4f6e-8064-bf65de02b4a3/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_8a328af6-33c4-4f6e-8064-bf65de02b4a3/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 f60779531d4ef4e8b10b9b9577dc8311e00cfe5c74bee43d157f8b3f754e1462 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:45:29,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:45:29,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:45:29,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:45:29,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:45:29,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:45:29,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:45:29,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:45:29,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:45:29,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:45:29,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:45:29,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:45:29,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:45:29,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:45:29,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:45:29,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:45:29,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:45:29,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:45:29,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:45:29,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:45:29,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:45:29,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:45:29,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:45:29,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:45:29,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:45:29,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:45:29,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:45:29,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:45:29,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:45:29,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:45:29,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:45:29,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:45:29,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:45:29,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:45:29,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:45:29,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:45:29,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:45:29,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:45:29,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:45:29,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:45:29,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:45:29,386 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a328af6-33c4-4f6e-8064-bf65de02b4a3/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 22:45:29,431 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:45:29,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:45:29,433 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 22:45:29,433 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 22:45:29,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:45:29,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:45:29,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:45:29,435 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 22:45:29,441 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:45:29,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:45:29,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 22:45:29,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:45:29,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 22:45:29,444 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 22:45:29,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 22:45:29,444 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:45:29,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 22:45:29,445 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:45:29,445 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:45:29,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:45:29,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:45:29,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:45:29,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:45:29,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 22:45:29,446 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:45:29,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:45:29,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 22:45:29,447 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_8a328af6-33c4-4f6e-8064-bf65de02b4a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a328af6-33c4-4f6e-8064-bf65de02b4a3/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f60779531d4ef4e8b10b9b9577dc8311e00cfe5c74bee43d157f8b3f754e1462 [2021-11-13 22:45:29,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:45:29,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:45:29,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:45:29,758 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:45:29,759 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:45:29,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a328af6-33c4-4f6e-8064-bf65de02b4a3/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex6.c [2021-11-13 22:45:29,826 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a328af6-33c4-4f6e-8064-bf65de02b4a3/bin/ukojak-2xVlg8857e/data/f9580c55a/84a49efa24384faaa1c02b8505a7b4da/FLAG45a9f4738 [2021-11-13 22:45:30,259 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:45:30,260 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a328af6-33c4-4f6e-8064-bf65de02b4a3/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex6.c [2021-11-13 22:45:30,266 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a328af6-33c4-4f6e-8064-bf65de02b4a3/bin/ukojak-2xVlg8857e/data/f9580c55a/84a49efa24384faaa1c02b8505a7b4da/FLAG45a9f4738 [2021-11-13 22:45:30,672 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a328af6-33c4-4f6e-8064-bf65de02b4a3/bin/ukojak-2xVlg8857e/data/f9580c55a/84a49efa24384faaa1c02b8505a7b4da [2021-11-13 22:45:30,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:45:30,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:45:30,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:45:30,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:45:30,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:45:30,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:45:30" (1/1) ... [2021-11-13 22:45:30,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36b8004a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:30, skipping insertion in model container [2021-11-13 22:45:30,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:45:30" (1/1) ... [2021-11-13 22:45:30,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:45:30,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:45:30,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:45:30,910 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:45:30,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:45:30,935 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:45:30,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:30 WrapperNode [2021-11-13 22:45:30,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:45:30,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:45:30,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:45:30,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:45:30,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:30" (1/1) ... [2021-11-13 22:45:30,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:30" (1/1) ... [2021-11-13 22:45:30,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:45:30,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:45:30,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:45:30,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:45:30,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:30" (1/1) ... [2021-11-13 22:45:30,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:30" (1/1) ... [2021-11-13 22:45:30,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:30" (1/1) ... [2021-11-13 22:45:30,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:30" (1/1) ... [2021-11-13 22:45:30,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:30" (1/1) ... [2021-11-13 22:45:30,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:30" (1/1) ... [2021-11-13 22:45:30,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:30" (1/1) ... [2021-11-13 22:45:30,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:45:30,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:45:30,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:45:30,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:45:30,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:30" (1/1) ... [2021-11-13 22:45:30,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:45:31,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a328af6-33c4-4f6e-8064-bf65de02b4a3/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:45:31,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a328af6-33c4-4f6e-8064-bf65de02b4a3/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:45:31,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a328af6-33c4-4f6e-8064-bf65de02b4a3/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:45:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:45:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:45:31,278 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:45:31,279 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 22:45:31,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:31 BoogieIcfgContainer [2021-11-13 22:45:31,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:45:31,284 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:45:31,285 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:45:31,297 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:45:31,297 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:31" (1/1) ... [2021-11-13 22:45:31,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 22:45:31,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:31,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-11-13 22:45:31,408 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-11-13 22:45:31,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 22:45:31,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:31,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 22:45:31,485 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 22:45:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 22:45:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 22:45:31,533 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 22:45:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 22:45:31,565 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-13 22:45:31,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:45:31 ImpRootNode [2021-11-13 22:45:31,591 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 22:45:31,593 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 22:45:31,593 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 22:45:31,593 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 22:45:31,594 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:31" (3/4) ... [2021-11-13 22:45:31,596 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-13 22:45:31,637 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a328af6-33c4-4f6e-8064-bf65de02b4a3/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 22:45:31,637 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 22:45:31,639 INFO L158 Benchmark]: Toolchain (without parser) took 957.99ms. Allocated memory is still 90.2MB. Free memory was 51.5MB in the beginning and 42.8MB in the end (delta: 8.6MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-11-13 22:45:31,641 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 90.2MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 22:45:31,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.03ms. Allocated memory is still 90.2MB. Free memory was 51.3MB in the beginning and 64.4MB in the end (delta: -13.2MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-11-13 22:45:31,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.25ms. Allocated memory is still 90.2MB. Free memory was 64.4MB in the beginning and 63.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 22:45:31,648 INFO L158 Benchmark]: Boogie Preprocessor took 19.34ms. Allocated memory is still 90.2MB. Free memory was 63.2MB in the beginning and 62.3MB in the end (delta: 924.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 22:45:31,649 INFO L158 Benchmark]: RCFGBuilder took 294.48ms. Allocated memory is still 90.2MB. Free memory was 62.3MB in the beginning and 53.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 22:45:31,650 INFO L158 Benchmark]: CodeCheck took 307.24ms. Allocated memory is still 90.2MB. Free memory was 53.5MB in the beginning and 44.5MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 22:45:31,653 INFO L158 Benchmark]: Witness Printer took 44.44ms. Allocated memory is still 90.2MB. Free memory was 44.3MB in the beginning and 42.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 22:45:31,658 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 1 procedures, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - CounterExampleResult [Line: 18]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int a, b; [L15] a = __VERIFIER_nondet_int() [L16] b = __VERIFIER_nondet_int() [L17] COND TRUE a >= 1 && b >= 1 VAL [a=1073741824, b=1] [L18] 2*a VAL [a=1073741824, b=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 90.2MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.03ms. Allocated memory is still 90.2MB. Free memory was 51.3MB in the beginning and 64.4MB in the end (delta: -13.2MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.25ms. Allocated memory is still 90.2MB. Free memory was 64.4MB in the beginning and 63.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.34ms. Allocated memory is still 90.2MB. Free memory was 63.2MB in the beginning and 62.3MB in the end (delta: 924.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 294.48ms. Allocated memory is still 90.2MB. Free memory was 62.3MB in the beginning and 53.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 307.24ms. Allocated memory is still 90.2MB. Free memory was 53.5MB in the beginning and 44.5MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 44.44ms. Allocated memory is still 90.2MB. Free memory was 44.3MB in the beginning and 42.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-13 22:45:31,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a328af6-33c4-4f6e-8064-bf65de02b4a3/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)