./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_be473f57-c307-466c-aa17-2fd03dbaeeeb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_be473f57-c307-466c-aa17-2fd03dbaeeeb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_be473f57-c307-466c-aa17-2fd03dbaeeeb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_be473f57-c307-466c-aa17-2fd03dbaeeeb/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_be473f57-c307-466c-aa17-2fd03dbaeeeb/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_be473f57-c307-466c-aa17-2fd03dbaeeeb/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 835dc6725bef5f7d15ae0e4368f1a97f9d2b8c09 .................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 22:26:07,187 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:26:07,188 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:26:07,194 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:26:07,194 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:26:07,195 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:26:07,195 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:26:07,196 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:26:07,197 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:26:07,197 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:26:07,198 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:26:07,198 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:26:07,198 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:26:07,199 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:26:07,199 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:26:07,199 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:26:07,200 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:26:07,201 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:26:07,201 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:26:07,202 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:26:07,203 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:26:07,203 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:26:07,204 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:26:07,204 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:26:07,204 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:26:07,205 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:26:07,205 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:26:07,206 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:26:07,206 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:26:07,206 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:26:07,207 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:26:07,207 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:26:07,207 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:26:07,207 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:26:07,208 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:26:07,208 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:26:07,208 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_be473f57-c307-466c-aa17-2fd03dbaeeeb/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-01 22:26:07,215 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:26:07,215 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:26:07,216 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:26:07,216 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 22:26:07,216 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 22:26:07,216 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 22:26:07,216 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:26:07,216 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 22:26:07,217 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:26:07,217 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:26:07,217 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:26:07,217 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:26:07,217 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:26:07,217 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-01 22:26:07,217 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:26:07,217 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 22:26:07,217 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:26:07,217 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 22:26:07,217 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 22:26:07,218 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:26:07,218 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:26:07,218 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 22:26:07,218 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:26:07,218 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:26:07,218 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:26:07,218 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 22:26:07,218 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:26:07,218 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 22:26:07,218 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_be473f57-c307-466c-aa17-2fd03dbaeeeb/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 -> 835dc6725bef5f7d15ae0e4368f1a97f9d2b8c09 [2018-12-01 22:26:07,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:26:07,243 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:26:07,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:26:07,246 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:26:07,246 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:26:07,246 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_be473f57-c307-466c-aa17-2fd03dbaeeeb/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c [2018-12-01 22:26:07,281 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_be473f57-c307-466c-aa17-2fd03dbaeeeb/bin-2019/ukojak/data/275ffb92a/6d492ca667274df39c07068277f21304/FLAG670ceb0fb [2018-12-01 22:26:07,697 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:26:07,698 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_be473f57-c307-466c-aa17-2fd03dbaeeeb/sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c [2018-12-01 22:26:07,701 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_be473f57-c307-466c-aa17-2fd03dbaeeeb/bin-2019/ukojak/data/275ffb92a/6d492ca667274df39c07068277f21304/FLAG670ceb0fb [2018-12-01 22:26:07,710 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_be473f57-c307-466c-aa17-2fd03dbaeeeb/bin-2019/ukojak/data/275ffb92a/6d492ca667274df39c07068277f21304 [2018-12-01 22:26:07,712 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:26:07,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:26:07,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:26:07,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:26:07,716 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:26:07,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:26:07" (1/1) ... [2018-12-01 22:26:07,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42aa496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:07, skipping insertion in model container [2018-12-01 22:26:07,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:26:07" (1/1) ... [2018-12-01 22:26:07,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:26:07,732 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:26:07,817 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:26:07,819 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:26:07,828 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:26:07,836 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:26:07,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:07 WrapperNode [2018-12-01 22:26:07,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:26:07,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:26:07,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:26:07,837 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:26:07,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:07" (1/1) ... [2018-12-01 22:26:07,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:07" (1/1) ... [2018-12-01 22:26:07,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:26:07,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:26:07,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:26:07,855 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:26:07,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:07" (1/1) ... [2018-12-01 22:26:07,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:07" (1/1) ... [2018-12-01 22:26:07,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:07" (1/1) ... [2018-12-01 22:26:07,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:07" (1/1) ... [2018-12-01 22:26:07,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:07" (1/1) ... [2018-12-01 22:26:07,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:07" (1/1) ... [2018-12-01 22:26:07,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:07" (1/1) ... [2018-12-01 22:26:07,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:26:07,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:26:07,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:26:07,866 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:26:07,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_be473f57-c307-466c-aa17-2fd03dbaeeeb/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 [2018-12-01 22:26:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:26:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:26:08,041 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:26:08,041 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-01 22:26:08,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:26:08 BoogieIcfgContainer [2018-12-01 22:26:08,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:26:08,041 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 22:26:08,042 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 22:26:08,048 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 22:26:08,048 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:26:08" (1/1) ... [2018-12-01 22:26:08,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:26:08,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:26:08,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2018-12-01 22:26:08,076 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-12-01 22:26:08,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 22:26:08,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:26:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:08,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:26:08,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:26:08,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2018-12-01 22:26:08,194 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2018-12-01 22:26:08,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 22:26:08,194 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:26:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:08,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:26:08,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:26:08,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2018-12-01 22:26:08,222 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2018-12-01 22:26:08,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 22:26:08,223 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:26:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:08,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:26:08,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:26:08,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2018-12-01 22:26:08,306 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2018-12-01 22:26:08,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 22:26:08,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:26:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:08,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:26:08,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:26:08,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2018-12-01 22:26:08,373 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2018-12-01 22:26:08,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 22:26:08,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:26:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:08,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:26:08,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:26:08,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2018-12-01 22:26:08,450 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2018-12-01 22:26:08,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 22:26:08,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:26:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:08,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:26:08,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:26:08,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2018-12-01 22:26:08,589 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2018-12-01 22:26:08,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 22:26:08,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:26:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:08,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:26:08,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:26:08,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2018-12-01 22:26:08,748 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2018-12-01 22:26:08,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 22:26:08,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:26:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:08,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:26:08,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:26:08,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2018-12-01 22:26:08,832 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2018-12-01 22:26:08,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 22:26:08,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:26:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:08,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:26:08,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:26:08,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2018-12-01 22:26:08,898 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2018-12-01 22:26:08,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 22:26:08,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:26:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:08,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 22:26:09,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:26:09,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2018-12-01 22:26:09,004 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2018-12-01 22:26:09,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 22:26:09,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:26:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:09,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:26:09,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:26:09,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 47 states and 75 transitions. [2018-12-01 22:26:09,159 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 75 transitions. [2018-12-01 22:26:09,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 22:26:09,159 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:26:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:09,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:26:09,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:26:09,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2018-12-01 22:26:09,222 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2018-12-01 22:26:09,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 22:26:09,223 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:26:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:09,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:26:09,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:26:09,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 47 states and 73 transitions. [2018-12-01 22:26:09,329 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 73 transitions. [2018-12-01 22:26:09,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 22:26:09,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:26:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:09,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:26:09,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:26:09,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 47 states and 71 transitions. [2018-12-01 22:26:09,381 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 71 transitions. [2018-12-01 22:26:09,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 22:26:09,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:26:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:09,391 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 22:26:09,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:26:09,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-12-01 22:26:09,518 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-12-01 22:26:09,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 22:26:09,518 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2018-12-01 22:26:09,523 INFO L779 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2018-12-01 22:26:09,558 INFO L583 CodeCheckObserver]: Invariant with dag size 10 [2018-12-01 22:26:09,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 10:26:09 ImpRootNode [2018-12-01 22:26:09,564 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 22:26:09,564 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:26:09,564 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:26:09,564 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:26:09,564 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:26:08" (3/4) ... [2018-12-01 22:26:09,567 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 22:26:09,572 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-01 22:26:09,572 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-01 22:26:09,572 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 22:26:09,599 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_be473f57-c307-466c-aa17-2fd03dbaeeeb/bin-2019/ukojak/witness.graphml [2018-12-01 22:26:09,599 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:26:09,599 INFO L168 Benchmark]: Toolchain (without parser) took 1887.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.0 MB). Free memory was 954.4 MB in the beginning and 1.2 GB in the end (delta: -223.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:26:09,600 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:26:09,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 123.02 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-01 22:26:09,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.26 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:26:09,601 INFO L168 Benchmark]: Boogie Preprocessor took 10.99 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 22:26:09,601 INFO L168 Benchmark]: RCFGBuilder took 175.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-01 22:26:09,601 INFO L168 Benchmark]: CodeCheck took 1522.35 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -61.7 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2018-12-01 22:26:09,602 INFO L168 Benchmark]: Witness Printer took 35.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:26:09,603 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, 25 locations, 8 error locations. SAFE Result, 1.4s OverallTime, 16 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 155648 SDtfs, 223220 SDslu, 204580 SDs, 0 SdLazy, 667492 SolverSat, 143132 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1186 GetRequests, 1063 SyntacticMatches, 41 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3175 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 1863 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 21/21 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: 30]: 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: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (x <= 2147483647 && 0 <= x + 2147483648) && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 123.02 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.26 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.99 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 175.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * CodeCheck took 1522.35 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -61.7 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. * Witness Printer took 35.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...