./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops_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_6ae43168-79cb-40a4-8a13-a27557025230/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6ae43168-79cb-40a4-8a13-a27557025230/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6ae43168-79cb-40a4-8a13-a27557025230/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6ae43168-79cb-40a4-8a13-a27557025230/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6ae43168-79cb-40a4-8a13-a27557025230/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6ae43168-79cb-40a4-8a13-a27557025230/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 1b43ce72b37c8e17b4dbab62d6d09279867a7da3 ...................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:36:10,195 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:36:10,196 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:36:10,202 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:36:10,202 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:36:10,203 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:36:10,204 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:36:10,204 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:36:10,205 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:36:10,206 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:36:10,206 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:36:10,206 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:36:10,207 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:36:10,207 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:36:10,208 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:36:10,208 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:36:10,208 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:36:10,209 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:36:10,210 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:36:10,211 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:36:10,211 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:36:10,212 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:36:10,213 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:36:10,213 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:36:10,213 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:36:10,214 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:36:10,214 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:36:10,215 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:36:10,215 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:36:10,215 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:36:10,216 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:36:10,216 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:36:10,216 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:36:10,216 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:36:10,217 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:36:10,217 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:36:10,217 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6ae43168-79cb-40a4-8a13-a27557025230/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-08 17:36:10,224 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:36:10,224 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:36:10,225 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:36:10,225 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 17:36:10,225 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 17:36:10,225 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 17:36:10,225 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:36:10,226 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 17:36:10,226 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:36:10,226 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:36:10,226 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:36:10,226 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:36:10,226 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:36:10,226 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-08 17:36:10,226 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:36:10,226 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:36:10,226 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:36:10,226 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 17:36:10,226 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 17:36:10,227 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:36:10,227 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:36:10,227 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 17:36:10,227 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:36:10,227 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:36:10,227 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:36:10,227 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 17:36:10,227 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:36:10,227 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:36:10,227 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_6ae43168-79cb-40a4-8a13-a27557025230/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 -> 1b43ce72b37c8e17b4dbab62d6d09279867a7da3 [2018-12-08 17:36:10,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:36:10,254 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:36:10,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:36:10,258 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:36:10,258 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:36:10,259 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6ae43168-79cb-40a4-8a13-a27557025230/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops_true-termination_true-no-overflow.c [2018-12-08 17:36:10,298 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ae43168-79cb-40a4-8a13-a27557025230/bin-2019/ukojak/data/0aafc5fa9/06e5ba5dde9841e0a79a8034f35c09e3/FLAG5eec0a910 [2018-12-08 17:36:10,708 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:36:10,708 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6ae43168-79cb-40a4-8a13-a27557025230/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops_true-termination_true-no-overflow.c [2018-12-08 17:36:10,712 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ae43168-79cb-40a4-8a13-a27557025230/bin-2019/ukojak/data/0aafc5fa9/06e5ba5dde9841e0a79a8034f35c09e3/FLAG5eec0a910 [2018-12-08 17:36:10,722 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6ae43168-79cb-40a4-8a13-a27557025230/bin-2019/ukojak/data/0aafc5fa9/06e5ba5dde9841e0a79a8034f35c09e3 [2018-12-08 17:36:10,723 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:36:10,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:36:10,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:36:10,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:36:10,727 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:36:10,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:36:10" (1/1) ... [2018-12-08 17:36:10,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dec73bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:36:10, skipping insertion in model container [2018-12-08 17:36:10,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:36:10" (1/1) ... [2018-12-08 17:36:10,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:36:10,743 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:36:10,838 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:36:10,841 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:36:10,851 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:36:10,859 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:36:10,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:36:10 WrapperNode [2018-12-08 17:36:10,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:36:10,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:36:10,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:36:10,860 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:36:10,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:36:10" (1/1) ... [2018-12-08 17:36:10,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:36:10" (1/1) ... [2018-12-08 17:36:10,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:36:10,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:36:10,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:36:10,880 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:36:10,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:36:10" (1/1) ... [2018-12-08 17:36:10,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:36:10" (1/1) ... [2018-12-08 17:36:10,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:36:10" (1/1) ... [2018-12-08 17:36:10,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:36:10" (1/1) ... [2018-12-08 17:36:10,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:36:10" (1/1) ... [2018-12-08 17:36:10,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:36:10" (1/1) ... [2018-12-08 17:36:10,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:36:10" (1/1) ... [2018-12-08 17:36:10,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:36:10,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:36:10,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:36:10,892 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:36:10,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:36:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ae43168-79cb-40a4-8a13-a27557025230/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 [2018-12-08 17:36:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:36:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:36:11,059 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:36:11,059 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-08 17:36:11,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:36:11 BoogieIcfgContainer [2018-12-08 17:36:11,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:36:11,059 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 17:36:11,059 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 17:36:11,066 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 17:36:11,066 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:36:11" (1/1) ... [2018-12-08 17:36:11,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:36:11,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:36:11,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-12-08 17:36:11,093 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-12-08 17:36:11,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 17:36:11,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:36:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:36:11,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:36:11,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:36:11,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2018-12-08 17:36:11,207 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2018-12-08 17:36:11,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 17:36:11,207 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:36:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:36:11,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:36:11,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:36:11,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2018-12-08 17:36:11,247 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2018-12-08 17:36:11,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 17:36:11,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:36:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:36:11,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:36:11,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:36:11,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2018-12-08 17:36:11,364 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2018-12-08 17:36:11,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 17:36:11,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:36:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:36:11,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:36:11,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:36:11,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2018-12-08 17:36:11,486 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2018-12-08 17:36:11,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 17:36:11,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:36:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:36:11,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:36:11,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:36:11,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2018-12-08 17:36:11,660 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2018-12-08 17:36:11,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 17:36:11,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:36:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:36:11,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 17:36:11,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:36:11,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 42 transitions. [2018-12-08 17:36:11,849 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2018-12-08 17:36:11,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 17:36:11,849 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:36:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:36:11,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 17:36:11,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:36:11,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2018-12-08 17:36:11,971 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2018-12-08 17:36:11,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 17:36:11,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:36:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:36:11,996 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 17:36:12,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:36:12,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2018-12-08 17:36:12,065 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2018-12-08 17:36:12,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 17:36:12,065 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:36:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:36:12,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 17:36:12,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:36:12,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2018-12-08 17:36:12,236 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2018-12-08 17:36:12,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 17:36:12,237 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:36:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:36:12,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 17:36:12,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:36:12,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2018-12-08 17:36:12,284 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2018-12-08 17:36:12,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 17:36:12,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:36:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:36:12,297 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 17:36:12,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:36:12,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2018-12-08 17:36:12,367 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2018-12-08 17:36:12,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 17:36:12,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:36:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:36:12,378 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 17:36:12,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:36:12,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2018-12-08 17:36:12,464 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2018-12-08 17:36:12,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 17:36:12,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:36:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:36:12,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 17:36:12,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:36:12,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2018-12-08 17:36:12,593 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2018-12-08 17:36:12,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 17:36:12,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:36:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:36:12,631 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 17:36:12,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:36:12,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-12-08 17:36:12,659 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-12-08 17:36:12,659 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 17:36:12,659 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2018-12-08 17:36:12,665 INFO L779 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-12-08 17:36:12,712 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-08 17:36:12,718 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 17:36:12,718 INFO L583 CodeCheckObserver]: Invariant with dag size 13 [2018-12-08 17:36:12,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 05:36:12 ImpRootNode [2018-12-08 17:36:12,719 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 17:36:12,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:36:12,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:36:12,719 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:36:12,720 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:36:11" (3/4) ... [2018-12-08 17:36:12,722 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 17:36:12,727 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 17:36:12,727 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 17:36:12,727 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 17:36:12,751 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6ae43168-79cb-40a4-8a13-a27557025230/bin-2019/ukojak/witness.graphml [2018-12-08 17:36:12,751 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:36:12,752 INFO L168 Benchmark]: Toolchain (without parser) took 2028.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 193.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-12-08 17:36:12,753 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-12-08 17:36:12,753 INFO L168 Benchmark]: CACSL2BoogieTranslator took 134.97 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 17:36:12,753 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.32 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:36:12,753 INFO L168 Benchmark]: Boogie Preprocessor took 12.24 ms. Allocated memory is still 1.0 GB. Free memory was 945.2 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:36:12,754 INFO L168 Benchmark]: RCFGBuilder took 166.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-08 17:36:12,754 INFO L168 Benchmark]: CodeCheck took 1659.55 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -20.0 MB). Peak memory consumption was 55.5 MB. Max. memory is 11.5 GB. [2018-12-08 17:36:12,755 INFO L168 Benchmark]: Witness Printer took 32.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:36:12,756 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, 17 locations, 4 error locations. SAFE Result, 1.5s OverallTime, 15 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 24576 SDtfs, 75900 SDslu, 0 SDs, 0 SdLazy, 382472 SolverSat, 93936 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1083 GetRequests, 939 SyntacticMatches, 54 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3613 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 2814 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 28/31 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: x <= 1073741823 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((x <= y && x <= 1073741823) && 0 <= x) || ((1 <= y && x <= 1073741823) && y < x) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 134.97 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.2 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 19.32 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.24 ms. Allocated memory is still 1.0 GB. Free memory was 945.2 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 166.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * CodeCheck took 1659.55 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -20.0 MB). Peak memory consumption was 55.5 MB. Max. memory is 11.5 GB. * Witness Printer took 32.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...