./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1_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_e77147fd-a996-498e-9e6e-7e7a39c5df4c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e77147fd-a996-498e-9e6e-7e7a39c5df4c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e77147fd-a996-498e-9e6e-7e7a39c5df4c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e77147fd-a996-498e-9e6e-7e7a39c5df4c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e77147fd-a996-498e-9e6e-7e7a39c5df4c/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e77147fd-a996-498e-9e6e-7e7a39c5df4c/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 ebb74e337af9534aacfcb2a7a413bdbed21e04b2 ................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:50:43,142 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:50:43,142 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:50:43,149 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:50:43,149 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:50:43,150 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:50:43,151 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:50:43,152 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:50:43,153 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:50:43,154 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:50:43,154 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:50:43,155 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:50:43,155 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:50:43,156 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:50:43,157 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:50:43,157 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:50:43,158 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:50:43,159 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:50:43,161 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:50:43,162 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:50:43,163 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:50:43,164 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:50:43,165 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:50:43,166 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:50:43,166 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:50:43,167 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:50:43,167 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:50:43,168 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:50:43,168 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:50:43,169 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:50:43,169 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:50:43,170 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:50:43,170 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:50:43,170 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:50:43,171 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:50:43,171 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:50:43,172 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e77147fd-a996-498e-9e6e-7e7a39c5df4c/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-22 22:50:43,181 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:50:43,181 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:50:43,182 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:50:43,182 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 22:50:43,183 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 22:50:43,183 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 22:50:43,183 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:50:43,183 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 22:50:43,183 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:50:43,184 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:50:43,184 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:50:43,184 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:50:43,184 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:50:43,184 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-22 22:50:43,184 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:50:43,184 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:50:43,185 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:50:43,185 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 22:50:43,185 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 22:50:43,185 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:50:43,185 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:50:43,185 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 22:50:43,185 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:50:43,186 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:50:43,186 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:50:43,186 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 22:50:43,186 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:50:43,186 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:50:43,186 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_e77147fd-a996-498e-9e6e-7e7a39c5df4c/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 -> ebb74e337af9534aacfcb2a7a413bdbed21e04b2 [2018-11-22 22:50:43,208 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:50:43,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:50:43,219 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:50:43,220 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:50:43,220 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:50:43,221 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e77147fd-a996-498e-9e6e-7e7a39c5df4c/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c [2018-11-22 22:50:43,254 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e77147fd-a996-498e-9e6e-7e7a39c5df4c/bin-2019/ukojak/data/f7ccbd48b/318deddb44af4bb1a1951d2b1b6aceae/FLAG625266171 [2018-11-22 22:50:43,650 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:50:43,650 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e77147fd-a996-498e-9e6e-7e7a39c5df4c/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c [2018-11-22 22:50:43,654 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e77147fd-a996-498e-9e6e-7e7a39c5df4c/bin-2019/ukojak/data/f7ccbd48b/318deddb44af4bb1a1951d2b1b6aceae/FLAG625266171 [2018-11-22 22:50:43,664 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e77147fd-a996-498e-9e6e-7e7a39c5df4c/bin-2019/ukojak/data/f7ccbd48b/318deddb44af4bb1a1951d2b1b6aceae [2018-11-22 22:50:43,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:50:43,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:50:43,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:50:43,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:50:43,671 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:50:43,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:50:43" (1/1) ... [2018-11-22 22:50:43,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd21f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:43, skipping insertion in model container [2018-11-22 22:50:43,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:50:43" (1/1) ... [2018-11-22 22:50:43,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:50:43,692 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:50:43,798 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:50:43,800 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:50:43,809 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:50:43,817 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:50:43,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:43 WrapperNode [2018-11-22 22:50:43,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:50:43,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:50:43,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:50:43,818 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:50:43,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:43" (1/1) ... [2018-11-22 22:50:43,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:43" (1/1) ... [2018-11-22 22:50:43,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:50:43,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:50:43,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:50:43,836 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:50:43,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:43" (1/1) ... [2018-11-22 22:50:43,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:43" (1/1) ... [2018-11-22 22:50:43,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:43" (1/1) ... [2018-11-22 22:50:43,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:43" (1/1) ... [2018-11-22 22:50:43,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:43" (1/1) ... [2018-11-22 22:50:43,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:43" (1/1) ... [2018-11-22 22:50:43,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:43" (1/1) ... [2018-11-22 22:50:43,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:50:43,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:50:43,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:50:43,848 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:50:43,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:50:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e77147fd-a996-498e-9e6e-7e7a39c5df4c/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 [2018-11-22 22:50:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:50:43,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:50:44,025 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:50:44,026 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-22 22:50:44,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:50:44 BoogieIcfgContainer [2018-11-22 22:50:44,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:50:44,026 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 22:50:44,026 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 22:50:44,033 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 22:50:44,033 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:50:44" (1/1) ... [2018-11-22 22:50:44,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:50:44,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:50:44,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2018-11-22 22:50:44,063 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-11-22 22:50:44,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-22 22:50:44,065 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:50:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:44,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:50:44,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:50:44,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2018-11-22 22:50:44,208 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2018-11-22 22:50:44,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-22 22:50:44,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:50:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:44,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:50:44,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:50:44,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2018-11-22 22:50:44,288 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2018-11-22 22:50:44,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-22 22:50:44,288 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:50:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:44,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:50:44,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:50:44,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2018-11-22 22:50:44,570 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2018-11-22 22:50:44,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-22 22:50:44,570 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:50:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:44,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:50:44,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:50:44,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2018-11-22 22:50:44,846 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2018-11-22 22:50:44,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-22 22:50:44,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:50:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:44,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:50:44,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:50:44,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2018-11-22 22:50:44,872 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2018-11-22 22:50:44,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-22 22:50:44,874 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:50:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:44,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:50:44,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:50:44,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2018-11-22 22:50:44,962 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2018-11-22 22:50:44,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-22 22:50:44,962 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:50:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:44,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:50:44,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:50:44,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2018-11-22 22:50:44,986 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2018-11-22 22:50:44,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-22 22:50:44,986 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:50:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:44,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:50:45,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:50:45,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2018-11-22 22:50:45,015 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2018-11-22 22:50:45,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-22 22:50:45,016 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:50:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:45,087 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:50:45,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:50:45,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2018-11-22 22:50:45,412 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2018-11-22 22:50:45,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-22 22:50:45,413 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:50:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:45,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:50:45,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:50:45,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2018-11-22 22:50:45,773 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2018-11-22 22:50:45,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-22 22:50:45,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:50:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:45,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:50:46,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:50:46,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2018-11-22 22:50:46,100 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2018-11-22 22:50:46,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-22 22:50:46,101 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:50:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:46,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-22 22:50:46,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:50:46,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 39 states and 55 transitions. [2018-11-22 22:50:46,536 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2018-11-22 22:50:46,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-22 22:50:46,536 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:50:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:46,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:50:46,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:50:46,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2018-11-22 22:50:46,800 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2018-11-22 22:50:46,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-22 22:50:46,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:50:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-22 22:50:47,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:50:47,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2018-11-22 22:50:47,473 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2018-11-22 22:50:47,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 22:50:47,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:50:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:47,484 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 22:50:47,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:50:47,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 47 states and 61 transitions. [2018-11-22 22:50:47,550 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2018-11-22 22:50:47,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 22:50:47,550 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:50:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:50:47,568 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 22:50:47,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:50:47,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2018-11-22 22:50:47,654 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2018-11-22 22:50:47,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 22:50:47,655 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2018-11-22 22:50:47,663 INFO L775 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2018-11-22 22:50:47,745 INFO L579 CodeCheckObserver]: Invariant with dag size 20 [2018-11-22 22:50:47,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 10:50:47 ImpRootNode [2018-11-22 22:50:47,754 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 22:50:47,754 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:50:47,755 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:50:47,755 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:50:47,755 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:50:44" (3/4) ... [2018-11-22 22:50:47,759 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 22:50:47,767 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-22 22:50:47,767 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-22 22:50:47,767 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:50:47,803 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e77147fd-a996-498e-9e6e-7e7a39c5df4c/bin-2019/ukojak/witness.graphml [2018-11-22 22:50:47,803 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:50:47,804 INFO L168 Benchmark]: Toolchain (without parser) took 4135.93 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 300.9 MB). Free memory was 954.8 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 125.3 MB. Max. memory is 11.5 GB. [2018-11-22 22:50:47,805 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:50:47,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 148.48 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:50:47,806 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.32 ms. Allocated memory is still 1.0 GB. Free memory was 944.1 MB in the beginning and 941.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:50:47,806 INFO L168 Benchmark]: Boogie Preprocessor took 11.15 ms. Allocated memory is still 1.0 GB. Free memory is still 941.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:50:47,806 INFO L168 Benchmark]: RCFGBuilder took 178.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -191.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:50:47,807 INFO L168 Benchmark]: CodeCheck took 3727.90 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 148.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -4.8 MB). Peak memory consumption was 143.5 MB. Max. memory is 11.5 GB. [2018-11-22 22:50:47,807 INFO L168 Benchmark]: Witness Printer took 48.43 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-22 22:50:47,811 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, 23 locations, 8 error locations. SAFE Result, 3.6s OverallTime, 17 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 131072 SDtfs, 218784 SDslu, 0 SDs, 0 SdLazy, 1472496 SolverSat, 328656 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1412 GetRequests, 1203 SyntacticMatches, 63 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9445 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 5191 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 22/46 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: 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: 17]: Loop Invariant Derived loop invariant: (((q <= y + 2147483644 && y <= 2147483647) && 2147483647 < q) || ((0 <= y + 2147483648 && y <= 2147483647) && q <= 2147483647)) || ((q + y <= 2147483646 && 0 <= y + 2147483648) && 2147483647 < q) * 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 148.48 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 944.1 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 18.32 ms. Allocated memory is still 1.0 GB. Free memory was 944.1 MB in the beginning and 941.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.15 ms. Allocated memory is still 1.0 GB. Free memory is still 941.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 178.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -191.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * CodeCheck took 3727.90 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 148.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -4.8 MB). Peak memory consumption was 143.5 MB. Max. memory is 11.5 GB. * Witness Printer took 48.43 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...