./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Copenhagen_disj-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbe579-02b4-40e4-96bf-ce844266d7e8/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbe579-02b4-40e4-96bf-ce844266d7e8/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbe579-02b4-40e4-96bf-ce844266d7e8/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbe579-02b4-40e4-96bf-ce844266d7e8/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Copenhagen_disj-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbe579-02b4-40e4-96bf-ce844266d7e8/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbe579-02b4-40e4-96bf-ce844266d7e8/bin/ukojak-vF6T2TMglN --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 1d01e47d61f5460eefe4585d287e283c2c540ff348367265b7ce8811693dcaeb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:16:26,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:16:26,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:16:26,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:16:26,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:16:26,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:16:26,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:16:26,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:16:26,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:16:26,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:16:26,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:16:26,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:16:26,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:16:26,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:16:26,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:16:26,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:16:26,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:16:26,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:16:26,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:16:26,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:16:26,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:16:26,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:16:26,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:16:26,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:16:26,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:16:26,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:16:26,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:16:26,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:16:26,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:16:26,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:16:26,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:16:26,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:16:26,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:16:26,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:16:26,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:16:26,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:16:26,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:16:26,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:16:26,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:16:26,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:16:26,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:16:26,349 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbe579-02b4-40e4-96bf-ce844266d7e8/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 06:16:26,396 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:16:26,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:16:26,398 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:16:26,398 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:16:26,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:16:26,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:16:26,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:16:26,399 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 06:16:26,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:16:26,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:16:26,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:16:26,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:16:26,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:16:26,402 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 06:16:26,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:16:26,402 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:16:26,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:16:26,403 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:16:26,403 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:16:26,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:16:26,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:16:26,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:16:26,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:16:26,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:16:26,404 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:16:26,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:16:26,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:16:26,405 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_0dbbe579-02b4-40e4-96bf-ce844266d7e8/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbe579-02b4-40e4-96bf-ce844266d7e8/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d01e47d61f5460eefe4585d287e283c2c540ff348367265b7ce8811693dcaeb [2021-11-21 06:16:26,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:16:26,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:16:26,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:16:26,713 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:16:26,714 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:16:26,716 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbe579-02b4-40e4-96bf-ce844266d7e8/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/termination-crafted/Copenhagen_disj-1.c [2021-11-21 06:16:26,777 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbe579-02b4-40e4-96bf-ce844266d7e8/bin/ukojak-vF6T2TMglN/data/507a6a950/cbc3aee31a6343e0b4ec6bce39e5c6bb/FLAG7a32a8c7c [2021-11-21 06:16:27,273 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:16:27,273 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbe579-02b4-40e4-96bf-ce844266d7e8/sv-benchmarks/c/termination-crafted/Copenhagen_disj-1.c [2021-11-21 06:16:27,279 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbe579-02b4-40e4-96bf-ce844266d7e8/bin/ukojak-vF6T2TMglN/data/507a6a950/cbc3aee31a6343e0b4ec6bce39e5c6bb/FLAG7a32a8c7c [2021-11-21 06:16:27,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbe579-02b4-40e4-96bf-ce844266d7e8/bin/ukojak-vF6T2TMglN/data/507a6a950/cbc3aee31a6343e0b4ec6bce39e5c6bb [2021-11-21 06:16:27,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:16:27,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:16:27,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:16:27,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:16:27,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:16:27,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:16:27" (1/1) ... [2021-11-21 06:16:27,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@111b9040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:16:27, skipping insertion in model container [2021-11-21 06:16:27,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:16:27" (1/1) ... [2021-11-21 06:16:27,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:16:27,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:16:27,878 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:16:27,884 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:16:27,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:16:27,907 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:16:27,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:16:27 WrapperNode [2021-11-21 06:16:27,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:16:27,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:16:27,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:16:27,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:16:27,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:16:27" (1/1) ... [2021-11-21 06:16:27,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:16:27" (1/1) ... [2021-11-21 06:16:27,939 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2021-11-21 06:16:27,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:16:27,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:16:27,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:16:27,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:16:27,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:16:27" (1/1) ... [2021-11-21 06:16:27,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:16:27" (1/1) ... [2021-11-21 06:16:27,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:16:27" (1/1) ... [2021-11-21 06:16:27,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:16:27" (1/1) ... [2021-11-21 06:16:27,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:16:27" (1/1) ... [2021-11-21 06:16:27,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:16:27" (1/1) ... [2021-11-21 06:16:27,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:16:27" (1/1) ... [2021-11-21 06:16:27,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:16:27,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:16:27,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:16:27,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:16:27,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:16:27" (1/1) ... [2021-11-21 06:16:27,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:16:27,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbe579-02b4-40e4-96bf-ce844266d7e8/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:16:27,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbe579-02b4-40e4-96bf-ce844266d7e8/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:16:28,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbe579-02b4-40e4-96bf-ce844266d7e8/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:16:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:16:28,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:16:28,124 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:16:28,125 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:16:28,247 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:16:28,275 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:16:28,276 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 06:16:28,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:16:28 BoogieIcfgContainer [2021-11-21 06:16:28,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:16:28,280 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:16:28,281 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:16:28,291 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:16:28,292 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:16:28" (1/1) ... [2021-11-21 06:16:28,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:16:28,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:28,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-11-21 06:16:28,386 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-11-21 06:16:28,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 06:16:28,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:28,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:16:28,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:16:28,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:16:28,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2021-11-21 06:16:28,620 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2021-11-21 06:16:28,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 06:16:28,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:16:28,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:16:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 06:16:28,636 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 06:16:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 06:16:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 06:16:28,686 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 06:16:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 06:16:28,708 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2021-11-21 06:16:28,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:16:28 ImpRootNode [2021-11-21 06:16:28,738 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 06:16:28,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 06:16:28,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 06:16:28,741 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 06:16:28,741 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:16:28" (3/4) ... [2021-11-21 06:16:28,743 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-21 06:16:28,773 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbe579-02b4-40e4-96bf-ce844266d7e8/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 06:16:28,773 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 06:16:28,775 INFO L158 Benchmark]: Toolchain (without parser) took 1120.54ms. Allocated memory is still 111.1MB. Free memory was 71.5MB in the beginning and 60.9MB in the end (delta: 10.6MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-11-21 06:16:28,775 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:16:28,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.09ms. Allocated memory is still 111.1MB. Free memory was 71.3MB in the beginning and 87.5MB in the end (delta: -16.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 06:16:28,777 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.35ms. Allocated memory is still 111.1MB. Free memory was 87.5MB in the beginning and 86.5MB in the end (delta: 978.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:16:28,778 INFO L158 Benchmark]: Boogie Preprocessor took 17.32ms. Allocated memory is still 111.1MB. Free memory was 86.1MB in the beginning and 85.4MB in the end (delta: 639.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:16:28,778 INFO L158 Benchmark]: RCFGBuilder took 320.82ms. Allocated memory is still 111.1MB. Free memory was 85.4MB in the beginning and 76.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 06:16:28,779 INFO L158 Benchmark]: CodeCheck took 457.83ms. Allocated memory is still 111.1MB. Free memory was 76.5MB in the beginning and 62.8MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 06:16:28,780 INFO L158 Benchmark]: Witness Printer took 33.08ms. Allocated memory is still 111.1MB. Free memory was 62.4MB in the beginning and 60.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:16:28,784 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: 0.4s, 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, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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 - CounterExampleResult [Line: 18]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int x, y, oldx; [L14] x = __VERIFIER_nondet_int() [L15] y = __VERIFIER_nondet_int() [L16] COND TRUE x >= 0 || y >= 0 [L17] oldx = x VAL [x=0, x=0, y=-2147483648] [L18] y - 1 VAL [x=0, x=0, y=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.09ms. Allocated memory is still 111.1MB. Free memory was 71.3MB in the beginning and 87.5MB in the end (delta: -16.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.35ms. Allocated memory is still 111.1MB. Free memory was 87.5MB in the beginning and 86.5MB in the end (delta: 978.5kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.32ms. Allocated memory is still 111.1MB. Free memory was 86.1MB in the beginning and 85.4MB in the end (delta: 639.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 320.82ms. Allocated memory is still 111.1MB. Free memory was 85.4MB in the beginning and 76.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 457.83ms. Allocated memory is still 111.1MB. Free memory was 76.5MB in the beginning and 62.8MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 33.08ms. Allocated memory is still 111.1MB. Free memory was 62.4MB in the beginning and 60.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-21 06:16:28,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbe579-02b4-40e4-96bf-ce844266d7e8/bin/ukojak-vF6T2TMglN/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)