./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7c06cc60-ddaf-4265-a96c-d0d7550f9ed3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7c06cc60-ddaf-4265-a96c-d0d7550f9ed3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7c06cc60-ddaf-4265-a96c-d0d7550f9ed3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7c06cc60-ddaf-4265-a96c-d0d7550f9ed3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7c06cc60-ddaf-4265-a96c-d0d7550f9ed3/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7c06cc60-ddaf-4265-a96c-d0d7550f9ed3/bin-2019/ukojak --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 9a661b9ed427d2e9174ef6e6cb1f5d6d0ab8d9e2 ............................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 05:18:57,296 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:18:57,297 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:18:57,305 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:18:57,306 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:18:57,307 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:18:57,308 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:18:57,309 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:18:57,310 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:18:57,311 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:18:57,312 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:18:57,313 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:18:57,313 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:18:57,314 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:18:57,315 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:18:57,316 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:18:57,317 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:18:57,319 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:18:57,321 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:18:57,322 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:18:57,323 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:18:57,324 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:18:57,326 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:18:57,326 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:18:57,327 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:18:57,327 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:18:57,329 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:18:57,330 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:18:57,330 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:18:57,331 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:18:57,332 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:18:57,332 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:18:57,332 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:18:57,333 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:18:57,334 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:18:57,335 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:18:57,335 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7c06cc60-ddaf-4265-a96c-d0d7550f9ed3/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-23 05:18:57,348 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:18:57,348 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:18:57,349 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:18:57,349 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 05:18:57,349 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 05:18:57,349 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 05:18:57,350 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:18:57,350 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 05:18:57,350 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:18:57,350 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:18:57,350 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:18:57,351 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:18:57,351 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:18:57,351 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 05:18:57,351 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:18:57,351 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:18:57,351 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:18:57,354 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 05:18:57,354 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 05:18:57,354 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:18:57,354 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:18:57,354 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 05:18:57,355 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:18:57,355 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:18:57,355 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:18:57,355 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 05:18:57,355 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:18:57,355 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:18:57,356 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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-vcloud-master/worker/working_dir_7c06cc60-ddaf-4265-a96c-d0d7550f9ed3/bin-2019/ukojak 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 -> 9a661b9ed427d2e9174ef6e6cb1f5d6d0ab8d9e2 [2018-11-23 05:18:57,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:18:57,393 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:18:57,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:18:57,398 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:18:57,398 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:18:57,398 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7c06cc60-ddaf-4265-a96c-d0d7550f9ed3/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified_true-termination_true-no-overflow.c [2018-11-23 05:18:57,441 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c06cc60-ddaf-4265-a96c-d0d7550f9ed3/bin-2019/ukojak/data/1333464e7/6bd9dd2f5ae545ae847bd0a8f0ca6bd7/FLAGaa4ea3d86 [2018-11-23 05:18:57,800 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:18:57,801 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7c06cc60-ddaf-4265-a96c-d0d7550f9ed3/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified_true-termination_true-no-overflow.c [2018-11-23 05:18:57,805 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c06cc60-ddaf-4265-a96c-d0d7550f9ed3/bin-2019/ukojak/data/1333464e7/6bd9dd2f5ae545ae847bd0a8f0ca6bd7/FLAGaa4ea3d86 [2018-11-23 05:18:58,224 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7c06cc60-ddaf-4265-a96c-d0d7550f9ed3/bin-2019/ukojak/data/1333464e7/6bd9dd2f5ae545ae847bd0a8f0ca6bd7 [2018-11-23 05:18:58,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:18:58,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:18:58,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:18:58,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:18:58,233 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:18:58,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:18:58" (1/1) ... [2018-11-23 05:18:58,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa4fa66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:58, skipping insertion in model container [2018-11-23 05:18:58,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:18:58" (1/1) ... [2018-11-23 05:18:58,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:18:58,256 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:18:58,381 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:18:58,384 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:18:58,394 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:18:58,404 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:18:58,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:58 WrapperNode [2018-11-23 05:18:58,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:18:58,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:18:58,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:18:58,405 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:18:58,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:58" (1/1) ... [2018-11-23 05:18:58,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:58" (1/1) ... [2018-11-23 05:18:58,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:18:58,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:18:58,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:18:58,431 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:18:58,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:58" (1/1) ... [2018-11-23 05:18:58,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:58" (1/1) ... [2018-11-23 05:18:58,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:58" (1/1) ... [2018-11-23 05:18:58,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:58" (1/1) ... [2018-11-23 05:18:58,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:58" (1/1) ... [2018-11-23 05:18:58,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:58" (1/1) ... [2018-11-23 05:18:58,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:58" (1/1) ... [2018-11-23 05:18:58,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:18:58,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:18:58,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:18:58,445 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:18:58,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c06cc60-ddaf-4265-a96c-d0d7550f9ed3/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 05:18:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:18:58,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:18:58,668 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:18:58,669 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-23 05:18:58,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:18:58 BoogieIcfgContainer [2018-11-23 05:18:58,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:18:58,669 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 05:18:58,670 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 05:18:58,681 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 05:18:58,682 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:18:58" (1/1) ... [2018-11-23 05:18:58,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:18:58,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:18:58,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-11-23 05:18:58,734 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-11-23 05:18:58,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-23 05:18:58,737 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:18:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:58,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:18:59,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:18:59,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-23 05:18:59,072 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-23 05:18:59,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-23 05:18:59,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:18:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:59,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:18:59,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:18:59,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2018-11-23 05:18:59,304 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2018-11-23 05:18:59,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 05:18:59,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:18:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:59,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:18:59,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:18:59,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2018-11-23 05:18:59,549 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2018-11-23 05:18:59,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 05:18:59,550 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:18:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:59,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:18:59,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:18:59,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-11-23 05:18:59,856 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-11-23 05:18:59,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 05:18:59,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:18:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:18:59,900 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:19:00,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:19:00,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2018-11-23 05:19:00,111 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2018-11-23 05:19:00,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 05:19:00,111 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:19:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:19:00,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:19:00,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:19:00,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2018-11-23 05:19:00,178 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2018-11-23 05:19:00,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 05:19:00,179 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:19:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:19:00,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:19:00,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:19:00,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2018-11-23 05:19:00,377 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2018-11-23 05:19:00,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 05:19:00,377 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:19:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:19:00,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:19:00,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:19:00,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-11-23 05:19:00,431 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-11-23 05:19:00,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 05:19:00,431 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:19:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:19:00,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 05:19:00,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:19:00,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-11-23 05:19:00,559 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-11-23 05:19:00,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 05:19:00,559 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:19:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:19:00,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 05:19:00,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:19:00,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-11-23 05:19:00,730 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-11-23 05:19:00,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 05:19:00,731 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-23 05:19:00,739 INFO L775 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-23 05:19:00,766 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-23 05:19:00,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 05:19:00 ImpRootNode [2018-11-23 05:19:00,774 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 05:19:00,774 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 05:19:00,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 05:19:00,774 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 05:19:00,775 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:18:58" (3/4) ... [2018-11-23 05:19:00,777 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 05:19:00,784 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 05:19:00,784 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 05:19:00,784 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 05:19:00,824 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7c06cc60-ddaf-4265-a96c-d0d7550f9ed3/bin-2019/ukojak/witness.graphml [2018-11-23 05:19:00,824 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 05:19:00,825 INFO L168 Benchmark]: Toolchain (without parser) took 2596.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.4 MB). Free memory was 959.1 MB in the beginning and 1.2 GB in the end (delta: -222.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:19:00,826 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:19:00,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.48 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:19:00,826 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.52 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:19:00,827 INFO L168 Benchmark]: Boogie Preprocessor took 13.64 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:19:00,827 INFO L168 Benchmark]: RCFGBuilder took 224.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 05:19:00,827 INFO L168 Benchmark]: CodeCheck took 2104.28 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -64.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:19:00,828 INFO L168 Benchmark]: Witness Printer took 50.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. [2018-11-23 05:19:00,830 INFO L336 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, 15 locations, 4 error locations. SAFE Result, 2.0s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 5704 SDslu, 0 SDs, 0 SdLazy, 30776 SolverSat, 7396 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 629 GetRequests, 525 SyntacticMatches, 34 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1865 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 1689 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 9/16 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((x <= 2147483647 && 0 <= x + 2147483648) && K <= 2147483647) && 0 <= K + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 174.48 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.52 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.64 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 224.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * CodeCheck took 2104.28 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -64.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 50.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...