./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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2d58f5ed-05f6-4456-a924-1c19e4d4daf7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2d58f5ed-05f6-4456-a924-1c19e4d4daf7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2d58f5ed-05f6-4456-a924-1c19e4d4daf7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2d58f5ed-05f6-4456-a924-1c19e4d4daf7/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_2d58f5ed-05f6-4456-a924-1c19e4d4daf7/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2d58f5ed-05f6-4456-a924-1c19e4d4daf7/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-aa41828 [2018-11-23 02:04:46,997 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:04:46,998 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:04:47,005 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:04:47,005 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:04:47,005 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:04:47,006 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:04:47,008 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:04:47,009 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:04:47,009 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:04:47,010 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:04:47,010 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:04:47,011 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:04:47,012 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:04:47,013 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:04:47,013 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:04:47,014 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:04:47,015 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:04:47,016 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:04:47,017 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:04:47,017 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:04:47,018 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:04:47,019 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:04:47,019 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:04:47,019 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:04:47,020 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:04:47,021 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:04:47,021 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:04:47,022 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:04:47,022 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:04:47,023 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:04:47,023 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:04:47,023 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:04:47,024 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:04:47,024 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:04:47,025 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:04:47,025 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2d58f5ed-05f6-4456-a924-1c19e4d4daf7/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-23 02:04:47,036 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:04:47,036 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:04:47,037 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:04:47,037 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 02:04:47,037 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:04:47,037 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:04:47,038 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:04:47,038 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 02:04:47,038 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:04:47,038 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:04:47,038 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:04:47,038 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:04:47,038 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:04:47,039 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 02:04:47,039 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:04:47,039 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:04:47,039 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:04:47,039 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 02:04:47,039 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 02:04:47,039 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:04:47,039 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:04:47,040 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 02:04:47,040 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:04:47,040 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:04:47,040 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:04:47,040 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 02:04:47,040 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:04:47,040 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:04:47,041 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_2d58f5ed-05f6-4456-a924-1c19e4d4daf7/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 [2018-11-23 02:04:47,065 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:04:47,075 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:04:47,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:04:47,079 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:04:47,080 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:04:47,080 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2d58f5ed-05f6-4456-a924-1c19e4d4daf7/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c [2018-11-23 02:04:47,128 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2d58f5ed-05f6-4456-a924-1c19e4d4daf7/bin-2019/ukojak/data/36bb00646/96a36f7fafed4bb49ba3df0b02b003fc/FLAGce8990bc3 [2018-11-23 02:04:47,481 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:04:47,482 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2d58f5ed-05f6-4456-a924-1c19e4d4daf7/sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c [2018-11-23 02:04:47,487 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2d58f5ed-05f6-4456-a924-1c19e4d4daf7/bin-2019/ukojak/data/36bb00646/96a36f7fafed4bb49ba3df0b02b003fc/FLAGce8990bc3 [2018-11-23 02:04:47,893 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2d58f5ed-05f6-4456-a924-1c19e4d4daf7/bin-2019/ukojak/data/36bb00646/96a36f7fafed4bb49ba3df0b02b003fc [2018-11-23 02:04:47,895 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:04:47,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:04:47,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:04:47,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:04:47,901 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:04:47,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:04:47" (1/1) ... [2018-11-23 02:04:47,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af8bf72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:47, skipping insertion in model container [2018-11-23 02:04:47,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:04:47" (1/1) ... [2018-11-23 02:04:47,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:04:47,926 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:04:48,044 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:04:48,046 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:04:48,057 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:04:48,066 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:04:48,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:48 WrapperNode [2018-11-23 02:04:48,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:04:48,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:04:48,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:04:48,067 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:04:48,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:48" (1/1) ... [2018-11-23 02:04:48,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:48" (1/1) ... [2018-11-23 02:04:48,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:04:48,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:04:48,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:04:48,090 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:04:48,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:48" (1/1) ... [2018-11-23 02:04:48,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:48" (1/1) ... [2018-11-23 02:04:48,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:48" (1/1) ... [2018-11-23 02:04:48,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:48" (1/1) ... [2018-11-23 02:04:48,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:48" (1/1) ... [2018-11-23 02:04:48,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:48" (1/1) ... [2018-11-23 02:04:48,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:48" (1/1) ... [2018-11-23 02:04:48,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:04:48,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:04:48,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:04:48,106 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:04:48,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2d58f5ed-05f6-4456-a924-1c19e4d4daf7/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 02:04:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:04:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:04:48,331 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:04:48,331 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-23 02:04:48,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:04:48 BoogieIcfgContainer [2018-11-23 02:04:48,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:04:48,332 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 02:04:48,332 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 02:04:48,340 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 02:04:48,340 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:04:48" (1/1) ... [2018-11-23 02:04:48,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:04:48,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:04:48,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2018-11-23 02:04:48,385 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-11-23 02:04:48,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 02:04:48,388 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:04:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:04:48,496 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 02:04:48,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:04:48,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2018-11-23 02:04:48,539 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2018-11-23 02:04:48,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 02:04:48,540 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:04:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:04:48,562 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 02:04:48,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:04:48,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2018-11-23 02:04:48,588 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2018-11-23 02:04:48,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 02:04:48,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:04:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:04:48,618 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 02:04:48,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:04:48,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2018-11-23 02:04:48,745 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2018-11-23 02:04:48,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 02:04:48,747 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:04:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:04:48,757 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 02:04:48,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:04:48,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2018-11-23 02:04:48,828 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2018-11-23 02:04:48,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 02:04:48,828 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:04:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:04:48,851 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 02:04:48,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:04:48,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2018-11-23 02:04:48,924 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2018-11-23 02:04:48,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 02:04:48,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:04:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:04:48,958 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 02:04:49,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:04:49,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2018-11-23 02:04:49,145 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2018-11-23 02:04:49,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 02:04:49,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:04:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:04:49,166 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 02:04:49,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:04:49,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2018-11-23 02:04:49,335 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2018-11-23 02:04:49,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 02:04:49,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:04:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:04:49,344 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 02:04:49,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:04:49,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2018-11-23 02:04:49,428 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2018-11-23 02:04:49,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 02:04:49,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:04:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:04:49,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:04:49,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:04:49,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 43 states and 69 transitions. [2018-11-23 02:04:49,504 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 69 transitions. [2018-11-23 02:04:49,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 02:04:49,504 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:04:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:04:49,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:04:49,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:04:49,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2018-11-23 02:04:49,819 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2018-11-23 02:04:49,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 02:04:49,821 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:04:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:04:49,832 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 02:04:49,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:04:49,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2018-11-23 02:04:49,960 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2018-11-23 02:04:49,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 02:04:49,961 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:04:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:04:49,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 02:04:50,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:04:50,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2018-11-23 02:04:50,066 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2018-11-23 02:04:50,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 02:04:50,067 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:04:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:04:50,074 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 02:04:50,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:04:50,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 52 states and 81 transitions. [2018-11-23 02:04:50,212 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 81 transitions. [2018-11-23 02:04:50,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 02:04:50,212 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:04:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:04:50,241 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 02:04:50,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:04:50,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 82 transitions. [2018-11-23 02:04:50,267 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2018-11-23 02:04:50,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 02:04:50,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:04:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:04:50,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:04:50,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:04:50,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-23 02:04:50,312 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-23 02:04:50,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:04:50,313 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2018-11-23 02:04:50,320 INFO L775 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2018-11-23 02:04:50,354 INFO L579 CodeCheckObserver]: Invariant with dag size 10 [2018-11-23 02:04:50,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 02:04:50 ImpRootNode [2018-11-23 02:04:50,360 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 02:04:50,360 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:04:50,361 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:04:50,361 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:04:50,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:04:48" (3/4) ... [2018-11-23 02:04:50,363 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:04:50,370 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 02:04:50,370 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 02:04:50,370 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:04:50,405 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2d58f5ed-05f6-4456-a924-1c19e4d4daf7/bin-2019/ukojak/witness.graphml [2018-11-23 02:04:50,406 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:04:50,406 INFO L168 Benchmark]: Toolchain (without parser) took 2510.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 960.8 MB in the beginning and 1.0 GB in the end (delta: -57.9 MB). Peak memory consumption was 75.8 MB. Max. memory is 11.5 GB. [2018-11-23 02:04:50,407 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:04:50,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 169.74 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 950.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:04:50,408 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.27 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 944.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:04:50,408 INFO L168 Benchmark]: Boogie Preprocessor took 15.01 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:04:50,408 INFO L168 Benchmark]: RCFGBuilder took 226.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 02:04:50,408 INFO L168 Benchmark]: CodeCheck took 2027.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 87.5 MB). Peak memory consumption was 87.5 MB. Max. memory is 11.5 GB. [2018-11-23 02:04:50,409 INFO L168 Benchmark]: Witness Printer took 45.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2018-11-23 02:04:50,411 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, 1.9s OverallTime, 16 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 155648 SDtfs, 223708 SDslu, 205088 SDs, 0 SdLazy, 668474 SolverSat, 143138 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1220 GetRequests, 1088 SyntacticMatches, 52 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2942 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 2124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 14 PerfectInterpolantSequences, 19/20 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: 28]: 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: 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: 30]: 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 - 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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 169.74 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 950.1 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 23.27 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 944.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.01 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 226.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 2027.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 87.5 MB). Peak memory consumption was 87.5 MB. Max. memory is 11.5 GB. * Witness Printer took 45.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...