./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa88faf6-2267-4c3b-84bd-2f23f766c6c4/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa88faf6-2267-4c3b-84bd-2f23f766c6c4/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa88faf6-2267-4c3b-84bd-2f23f766c6c4/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa88faf6-2267-4c3b-84bd-2f23f766c6c4/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa88faf6-2267-4c3b-84bd-2f23f766c6c4/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa88faf6-2267-4c3b-84bd-2f23f766c6c4/bin/ukojak-fKGseLULKY --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 955b266f1a44cd585b006f48fe033847136df099 .................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 04:16:17,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:16:17,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:16:17,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:16:17,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:16:17,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:16:17,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:16:17,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:16:17,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:16:17,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:16:17,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:16:17,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:16:17,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:16:17,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:16:17,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:16:17,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:16:17,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:16:17,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:16:17,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:16:17,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:16:17,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:16:17,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:16:17,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:16:17,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:16:17,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:16:17,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:16:17,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:16:17,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:16:17,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:16:17,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:16:17,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:16:17,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:16:17,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:16:17,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:16:17,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:16:17,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:16:17,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:16:17,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:16:17,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:16:17,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:16:17,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:16:17,924 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa88faf6-2267-4c3b-84bd-2f23f766c6c4/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-13 04:16:17,970 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:16:17,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:16:17,972 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 04:16:17,972 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 04:16:17,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:16:17,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:16:17,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:16:17,974 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 04:16:17,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:16:17,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:16:17,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 04:16:17,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:16:17,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 04:16:17,976 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 04:16:17,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 04:16:17,977 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:16:17,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 04:16:17,977 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:16:17,977 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:16:17,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:16:17,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:16:17,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:16:17,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:16:17,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 04:16:17,979 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:16:17,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:16:17,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 04:16:17,980 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_fa88faf6-2267-4c3b-84bd-2f23f766c6c4/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa88faf6-2267-4c3b-84bd-2f23f766c6c4/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 955b266f1a44cd585b006f48fe033847136df099 [2021-10-13 04:16:18,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:16:18,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:16:18,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:16:18,272 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:16:18,272 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:16:18,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa88faf6-2267-4c3b-84bd-2f23f766c6c4/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron1.c [2021-10-13 04:16:18,366 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa88faf6-2267-4c3b-84bd-2f23f766c6c4/bin/ukojak-fKGseLULKY/data/adc0a130c/52439f0c1bb544899e6a5db15f304a2f/FLAG44418b91f [2021-10-13 04:16:18,881 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:16:18,882 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa88faf6-2267-4c3b-84bd-2f23f766c6c4/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron1.c [2021-10-13 04:16:18,888 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa88faf6-2267-4c3b-84bd-2f23f766c6c4/bin/ukojak-fKGseLULKY/data/adc0a130c/52439f0c1bb544899e6a5db15f304a2f/FLAG44418b91f [2021-10-13 04:16:19,268 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa88faf6-2267-4c3b-84bd-2f23f766c6c4/bin/ukojak-fKGseLULKY/data/adc0a130c/52439f0c1bb544899e6a5db15f304a2f [2021-10-13 04:16:19,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:16:19,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:16:19,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:16:19,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:16:19,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:16:19,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:16:19" (1/1) ... [2021-10-13 04:16:19,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b98ec18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:19, skipping insertion in model container [2021-10-13 04:16:19,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:16:19" (1/1) ... [2021-10-13 04:16:19,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:16:19,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:16:19,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:16:19,465 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:16:19,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:16:19,493 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:16:19,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:19 WrapperNode [2021-10-13 04:16:19,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:16:19,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:16:19,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:16:19,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:16:19,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:19" (1/1) ... [2021-10-13 04:16:19,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:19" (1/1) ... [2021-10-13 04:16:19,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:16:19,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:16:19,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:16:19,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:16:19,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:19" (1/1) ... [2021-10-13 04:16:19,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:19" (1/1) ... [2021-10-13 04:16:19,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:19" (1/1) ... [2021-10-13 04:16:19,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:19" (1/1) ... [2021-10-13 04:16:19,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:19" (1/1) ... [2021-10-13 04:16:19,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:19" (1/1) ... [2021-10-13 04:16:19,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:19" (1/1) ... [2021-10-13 04:16:19,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:16:19,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:16:19,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:16:19,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:16:19,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:19" (1/1) ... [2021-10-13 04:16:19,554 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:16:19,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa88faf6-2267-4c3b-84bd-2f23f766c6c4/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:16:19,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa88faf6-2267-4c3b-84bd-2f23f766c6c4/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:16:19,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa88faf6-2267-4c3b-84bd-2f23f766c6c4/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:16:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:16:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:16:19,872 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:16:19,872 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 04:16:19,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:16:19 BoogieIcfgContainer [2021-10-13 04:16:19,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:16:19,897 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:16:19,897 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:16:19,906 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:16:19,907 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:16:19" (1/1) ... [2021-10-13 04:16:19,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:16:19,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:16:19,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2021-10-13 04:16:19,979 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-10-13 04:16:19,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:16:19,994 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:16:19,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:16:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:16:20,107 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:16:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:16:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:16:20,169 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:16:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:16:20,183 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-10-13 04:16:20,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:16:20 ImpRootNode [2021-10-13 04:16:20,200 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:16:20,200 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:16:20,201 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:16:20,201 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:16:20,201 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:16:19" (3/4) ... [2021-10-13 04:16:20,203 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 04:16:20,242 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa88faf6-2267-4c3b-84bd-2f23f766c6c4/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:16:20,242 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:16:20,244 INFO L168 Benchmark]: Toolchain (without parser) took 969.02 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 57.1 MB in the beginning and 71.4 MB in the end (delta: -14.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2021-10-13 04:16:20,245 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 92.3 MB. Free memory was 63.2 MB in the beginning and 63.1 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:16:20,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 217.46 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 56.9 MB in the beginning and 95.1 MB in the end (delta: -38.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:16:20,246 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.14 ms. Allocated memory is still 119.5 MB. Free memory was 95.1 MB in the beginning and 93.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:16:20,247 INFO L168 Benchmark]: Boogie Preprocessor took 18.41 ms. Allocated memory is still 119.5 MB. Free memory was 93.8 MB in the beginning and 93.1 MB in the end (delta: 696.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:16:20,248 INFO L168 Benchmark]: RCFGBuilder took 350.54 ms. Allocated memory is still 119.5 MB. Free memory was 93.1 MB in the beginning and 82.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 04:16:20,248 INFO L168 Benchmark]: CodeCheck took 303.35 ms. Allocated memory is still 119.5 MB. Free memory was 82.6 MB in the beginning and 72.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 04:16:20,249 INFO L168 Benchmark]: Witness Printer took 41.46 ms. Allocated memory is still 119.5 MB. Free memory was 72.8 MB in the beginning and 71.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:16:20,253 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, 23 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 257.5ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 2.0ms SsaConstructionTime, 8.6ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 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, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 22]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int i, j, an, bn; [L15] i = __VERIFIER_nondet_int() [L16] j = __VERIFIER_nondet_int() [L17] an = __VERIFIER_nondet_int() [L18] bn = __VERIFIER_nondet_int() [L19] COND TRUE (an >= i && bn >= j) || (an >= i && bn <= j) || (an <= i && bn >= j) [L20] COND TRUE an >= i && bn >= j [L21] COND TRUE __VERIFIER_nondet_int() != 0 [L22] j + 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 92.3 MB. Free memory was 63.2 MB in the beginning and 63.1 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 217.46 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 56.9 MB in the beginning and 95.1 MB in the end (delta: -38.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.14 ms. Allocated memory is still 119.5 MB. Free memory was 95.1 MB in the beginning and 93.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.41 ms. Allocated memory is still 119.5 MB. Free memory was 93.8 MB in the beginning and 93.1 MB in the end (delta: 696.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 350.54 ms. Allocated memory is still 119.5 MB. Free memory was 93.1 MB in the beginning and 82.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 303.35 ms. Allocated memory is still 119.5 MB. Free memory was 82.6 MB in the beginning and 72.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 41.46 ms. Allocated memory is still 119.5 MB. Free memory was 72.8 MB in the beginning and 71.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 04:16:20,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa88faf6-2267-4c3b-84bd-2f23f766c6c4/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...