./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb15455-ac69-4591-bac7-a7c586a6759d/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb15455-ac69-4591-bac7-a7c586a6759d/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb15455-ac69-4591-bac7-a7c586a6759d/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb15455-ac69-4591-bac7-a7c586a6759d/bin/ukojak-d1pc8ZmBRL/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_afb15455-ac69-4591-bac7-a7c586a6759d/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb15455-ac69-4591-bac7-a7c586a6759d/bin/ukojak-d1pc8ZmBRL --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 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 08:09:48,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 08:09:48,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 08:09:48,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 08:09:48,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 08:09:48,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 08:09:48,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 08:09:48,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 08:09:48,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 08:09:48,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 08:09:48,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 08:09:48,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 08:09:48,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 08:09:48,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 08:09:48,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 08:09:48,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 08:09:48,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 08:09:48,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 08:09:48,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 08:09:48,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 08:09:48,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 08:09:48,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 08:09:48,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 08:09:48,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 08:09:48,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 08:09:48,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 08:09:48,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 08:09:48,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 08:09:48,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 08:09:48,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 08:09:48,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 08:09:48,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 08:09:48,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 08:09:48,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 08:09:48,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 08:09:48,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 08:09:48,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 08:09:48,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 08:09:48,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 08:09:48,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 08:09:48,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 08:09:48,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb15455-ac69-4591-bac7-a7c586a6759d/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-25 08:09:48,375 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 08:09:48,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 08:09:48,376 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 08:09:48,376 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 08:09:48,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 08:09:48,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 08:09:48,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 08:09:48,377 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 08:09:48,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 08:09:48,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 08:09:48,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 08:09:48,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 08:09:48,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 08:09:48,378 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 08:09:48,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 08:09:48,379 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 08:09:48,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 08:09:48,379 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 08:09:48,379 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 08:09:48,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 08:09:48,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 08:09:48,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 08:09:48,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 08:09:48,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 08:09:48,380 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 08:09:48,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 08:09:48,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 08:09:48,381 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_afb15455-ac69-4591-bac7-a7c586a6759d/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb15455-ac69-4591-bac7-a7c586a6759d/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f60779531d4ef4e8b10b9b9577dc8311e00cfe5c74bee43d157f8b3f754e1462 [2021-11-25 08:09:48,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 08:09:48,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 08:09:48,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 08:09:48,648 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 08:09:48,649 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 08:09:48,651 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb15455-ac69-4591-bac7-a7c586a6759d/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex6.c [2021-11-25 08:09:48,734 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb15455-ac69-4591-bac7-a7c586a6759d/bin/ukojak-d1pc8ZmBRL/data/f8ca54a42/d9767fb728e34f0d8f5fc63bc9b3bf12/FLAG71d5794ca [2021-11-25 08:09:49,201 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 08:09:49,201 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb15455-ac69-4591-bac7-a7c586a6759d/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex6.c [2021-11-25 08:09:49,207 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb15455-ac69-4591-bac7-a7c586a6759d/bin/ukojak-d1pc8ZmBRL/data/f8ca54a42/d9767fb728e34f0d8f5fc63bc9b3bf12/FLAG71d5794ca [2021-11-25 08:09:49,580 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb15455-ac69-4591-bac7-a7c586a6759d/bin/ukojak-d1pc8ZmBRL/data/f8ca54a42/d9767fb728e34f0d8f5fc63bc9b3bf12 [2021-11-25 08:09:49,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 08:09:49,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 08:09:49,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 08:09:49,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 08:09:49,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 08:09:49,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:09:49" (1/1) ... [2021-11-25 08:09:49,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73b5f27a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:09:49, skipping insertion in model container [2021-11-25 08:09:49,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:09:49" (1/1) ... [2021-11-25 08:09:49,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 08:09:49,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 08:09:49,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 08:09:49,817 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 08:09:49,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 08:09:49,849 INFO L208 MainTranslator]: Completed translation [2021-11-25 08:09:49,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:09:49 WrapperNode [2021-11-25 08:09:49,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 08:09:49,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 08:09:49,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 08:09:49,851 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 08:09:49,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:09:49" (1/1) ... [2021-11-25 08:09:49,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:09:49" (1/1) ... [2021-11-25 08:09:49,887 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2021-11-25 08:09:49,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 08:09:49,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 08:09:49,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 08:09:49,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 08:09:49,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:09:49" (1/1) ... [2021-11-25 08:09:49,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:09:49" (1/1) ... [2021-11-25 08:09:49,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:09:49" (1/1) ... [2021-11-25 08:09:49,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:09:49" (1/1) ... [2021-11-25 08:09:49,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:09:49" (1/1) ... [2021-11-25 08:09:49,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:09:49" (1/1) ... [2021-11-25 08:09:49,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:09:49" (1/1) ... [2021-11-25 08:09:49,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 08:09:49,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 08:09:49,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 08:09:49,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 08:09:49,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:09:49" (1/1) ... [2021-11-25 08:09:49,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 08:09:49,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb15455-ac69-4591-bac7-a7c586a6759d/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 08:09:49,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb15455-ac69-4591-bac7-a7c586a6759d/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 08:09:49,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb15455-ac69-4591-bac7-a7c586a6759d/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 08:09:50,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 08:09:50,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 08:09:50,054 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 08:09:50,056 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 08:09:50,144 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 08:09:50,164 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 08:09:50,164 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 08:09:50,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:09:50 BoogieIcfgContainer [2021-11-25 08:09:50,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 08:09:50,168 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 08:09:50,168 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 08:09:50,179 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 08:09:50,179 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:09:50" (1/1) ... [2021-11-25 08:09:50,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 08:09:50,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:09:50,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-11-25 08:09:50,246 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-11-25 08:09:50,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 08:09:50,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:09:50,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:09:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 08:09:50,314 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 08:09:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 08:09:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 08:09:50,342 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 08:09:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 08:09:50,351 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-25 08:09:50,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 08:09:50 ImpRootNode [2021-11-25 08:09:50,374 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 08:09:50,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 08:09:50,375 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 08:09:50,376 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 08:09:50,376 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:09:50" (3/4) ... [2021-11-25 08:09:50,378 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-25 08:09:50,413 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb15455-ac69-4591-bac7-a7c586a6759d/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 08:09:50,413 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 08:09:50,415 INFO L158 Benchmark]: Toolchain (without parser) took 830.35ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 71.9MB in the beginning and 85.1MB in the end (delta: -13.2MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-11-25 08:09:50,415 INFO L158 Benchmark]: CDTParser took 1.59ms. Allocated memory is still 100.7MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 08:09:50,417 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.47ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 71.9MB in the beginning and 106.9MB in the end (delta: -35.1MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-11-25 08:09:50,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.19ms. Allocated memory is still 130.0MB. Free memory was 106.9MB in the beginning and 105.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 08:09:50,418 INFO L158 Benchmark]: Boogie Preprocessor took 18.96ms. Allocated memory is still 130.0MB. Free memory was 105.5MB in the beginning and 104.9MB in the end (delta: 662.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 08:09:50,419 INFO L158 Benchmark]: RCFGBuilder took 257.00ms. Allocated memory is still 130.0MB. Free memory was 104.9MB in the beginning and 96.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 08:09:50,420 INFO L158 Benchmark]: CodeCheck took 206.81ms. Allocated memory is still 130.0MB. Free memory was 96.0MB in the beginning and 86.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 08:09:50,421 INFO L158 Benchmark]: Witness Printer took 38.28ms. Allocated memory is still 130.0MB. Free memory was 86.7MB in the beginning and 85.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 08:09:50,424 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 1.59ms. Allocated memory is still 100.7MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.47ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 71.9MB in the beginning and 106.9MB in the end (delta: -35.1MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.19ms. Allocated memory is still 130.0MB. Free memory was 106.9MB in the beginning and 105.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.96ms. Allocated memory is still 130.0MB. Free memory was 105.5MB in the beginning and 104.9MB in the end (delta: 662.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 257.00ms. Allocated memory is still 130.0MB. Free memory was 104.9MB in the beginning and 96.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 206.81ms. Allocated memory is still 130.0MB. Free memory was 96.0MB in the beginning and 86.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 38.28ms. Allocated memory is still 130.0MB. Free memory was 86.7MB in the beginning and 85.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-25 08:09:50,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb15455-ac69-4591-bac7-a7c586a6759d/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)