./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9_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_488ea378-af61-4a55-aeed-57a3de58518e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_488ea378-af61-4a55-aeed-57a3de58518e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_488ea378-af61-4a55-aeed-57a3de58518e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_488ea378-af61-4a55-aeed-57a3de58518e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_488ea378-af61-4a55-aeed-57a3de58518e/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_488ea378-af61-4a55-aeed-57a3de58518e/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 8c261c4c4bb9c8a95f9cb14c668da53a89a0d0c6 ............................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 20:56:46,114 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 20:56:46,115 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 20:56:46,123 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 20:56:46,123 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 20:56:46,124 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 20:56:46,125 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 20:56:46,126 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 20:56:46,127 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 20:56:46,128 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 20:56:46,128 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 20:56:46,128 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 20:56:46,129 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 20:56:46,130 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 20:56:46,130 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 20:56:46,131 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 20:56:46,132 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 20:56:46,133 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 20:56:46,134 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 20:56:46,135 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 20:56:46,136 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 20:56:46,137 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 20:56:46,138 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 20:56:46,138 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 20:56:46,138 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 20:56:46,139 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 20:56:46,140 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 20:56:46,140 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 20:56:46,141 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 20:56:46,141 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 20:56:46,141 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 20:56:46,142 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 20:56:46,142 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 20:56:46,142 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 20:56:46,142 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 20:56:46,143 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 20:56:46,143 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_488ea378-af61-4a55-aeed-57a3de58518e/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-02 20:56:46,149 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 20:56:46,150 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 20:56:46,150 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 20:56:46,150 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 20:56:46,151 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 20:56:46,151 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 20:56:46,151 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 20:56:46,151 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 20:56:46,151 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 20:56:46,151 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 20:56:46,152 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 20:56:46,152 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 20:56:46,152 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 20:56:46,152 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-02 20:56:46,152 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 20:56:46,152 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 20:56:46,152 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 20:56:46,153 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 20:56:46,153 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 20:56:46,153 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 20:56:46,153 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 20:56:46,153 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 20:56:46,153 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 20:56:46,154 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 20:56:46,154 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 20:56:46,154 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 20:56:46,154 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 20:56:46,154 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 20:56:46,154 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_488ea378-af61-4a55-aeed-57a3de58518e/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 -> 8c261c4c4bb9c8a95f9cb14c668da53a89a0d0c6 [2018-12-02 20:56:46,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 20:56:46,183 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 20:56:46,185 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 20:56:46,186 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 20:56:46,186 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 20:56:46,186 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_488ea378-af61-4a55-aeed-57a3de58518e/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9_true-termination_true-no-overflow.c [2018-12-02 20:56:46,222 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_488ea378-af61-4a55-aeed-57a3de58518e/bin-2019/ukojak/data/ab8bbde2e/e75b477a5b3947cdbfad14c66fbf89f5/FLAG225d236fe [2018-12-02 20:56:46,628 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 20:56:46,629 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_488ea378-af61-4a55-aeed-57a3de58518e/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9_true-termination_true-no-overflow.c [2018-12-02 20:56:46,632 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_488ea378-af61-4a55-aeed-57a3de58518e/bin-2019/ukojak/data/ab8bbde2e/e75b477a5b3947cdbfad14c66fbf89f5/FLAG225d236fe [2018-12-02 20:56:47,062 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_488ea378-af61-4a55-aeed-57a3de58518e/bin-2019/ukojak/data/ab8bbde2e/e75b477a5b3947cdbfad14c66fbf89f5 [2018-12-02 20:56:47,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 20:56:47,066 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 20:56:47,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 20:56:47,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 20:56:47,070 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 20:56:47,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:56:47" (1/1) ... [2018-12-02 20:56:47,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c04efe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:47, skipping insertion in model container [2018-12-02 20:56:47,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:56:47" (1/1) ... [2018-12-02 20:56:47,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 20:56:47,088 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 20:56:47,172 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:56:47,174 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 20:56:47,182 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:56:47,189 INFO L195 MainTranslator]: Completed translation [2018-12-02 20:56:47,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:47 WrapperNode [2018-12-02 20:56:47,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 20:56:47,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 20:56:47,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 20:56:47,190 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 20:56:47,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:47" (1/1) ... [2018-12-02 20:56:47,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:47" (1/1) ... [2018-12-02 20:56:47,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 20:56:47,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 20:56:47,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 20:56:47,207 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 20:56:47,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:47" (1/1) ... [2018-12-02 20:56:47,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:47" (1/1) ... [2018-12-02 20:56:47,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:47" (1/1) ... [2018-12-02 20:56:47,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:47" (1/1) ... [2018-12-02 20:56:47,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:47" (1/1) ... [2018-12-02 20:56:47,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:47" (1/1) ... [2018-12-02 20:56:47,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:47" (1/1) ... [2018-12-02 20:56:47,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 20:56:47,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 20:56:47,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 20:56:47,217 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 20:56:47,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_488ea378-af61-4a55-aeed-57a3de58518e/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 [2018-12-02 20:56:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 20:56:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 20:56:47,365 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 20:56:47,365 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-02 20:56:47,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:56:47 BoogieIcfgContainer [2018-12-02 20:56:47,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 20:56:47,366 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 20:56:47,366 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 20:56:47,372 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 20:56:47,372 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:56:47" (1/1) ... [2018-12-02 20:56:47,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:56:47,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:47,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-12-02 20:56:47,399 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-12-02 20:56:47,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-02 20:56:47,401 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:47,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:47,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:47,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-12-02 20:56:47,522 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-12-02 20:56:47,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 20:56:47,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:47,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:47,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:47,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-12-02 20:56:47,586 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-12-02 20:56:47,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 20:56:47,586 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:56:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:56:47,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:56:47,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:56:47,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-12-02 20:56:47,665 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-12-02 20:56:47,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 20:56:47,665 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-12-02 20:56:47,670 INFO L779 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2018-12-02 20:56:47,679 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-02 20:56:47,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 08:56:47 ImpRootNode [2018-12-02 20:56:47,685 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 20:56:47,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 20:56:47,685 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 20:56:47,685 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 20:56:47,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:56:47" (3/4) ... [2018-12-02 20:56:47,688 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 20:56:47,693 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 20:56:47,693 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 20:56:47,693 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 20:56:47,716 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_488ea378-af61-4a55-aeed-57a3de58518e/bin-2019/ukojak/witness.graphml [2018-12-02 20:56:47,716 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 20:56:47,716 INFO L168 Benchmark]: Toolchain (without parser) took 650.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -90.1 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-12-02 20:56:47,717 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:56:47,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 122.78 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 20:56:47,718 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.70 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:56:47,718 INFO L168 Benchmark]: Boogie Preprocessor took 9.79 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:56:47,718 INFO L168 Benchmark]: RCFGBuilder took 149.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -141.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-12-02 20:56:47,718 INFO L168 Benchmark]: CodeCheck took 319.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. [2018-12-02 20:56:47,719 INFO L168 Benchmark]: Witness Printer took 30.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:56:47,720 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, 10 locations, 2 error locations. SAFE Result, 0.2s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 10 SDslu, 0 SDs, 0 SdLazy, 80 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 81 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 172 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: x <= 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 122.78 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 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 16.70 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.79 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 149.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -141.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * CodeCheck took 319.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. * Witness Printer took 30.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...