./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c40dcfb3-600e-4154-b70e-c9a005d4b57d/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c40dcfb3-600e-4154-b70e-c9a005d4b57d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c40dcfb3-600e-4154-b70e-c9a005d4b57d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c40dcfb3-600e-4154-b70e-c9a005d4b57d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c40dcfb3-600e-4154-b70e-c9a005d4b57d/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c40dcfb3-600e-4154-b70e-c9a005d4b57d/bin/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 f9de9875f09e594325a645528f016ce12ac5c646 ........................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:15:31,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:15:31,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:15:31,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:15:31,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:15:31,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:15:31,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:15:31,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:15:31,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:15:31,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:15:31,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:15:31,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:15:31,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:15:31,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:15:31,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:15:31,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:15:31,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:15:31,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:15:31,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:15:31,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:15:31,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:15:31,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:15:31,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:15:31,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:15:31,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:15:31,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:15:31,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:15:31,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:15:31,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:15:31,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:15:31,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:15:31,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:15:31,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:15:31,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:15:31,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:15:31,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:15:31,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:15:31,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:15:31,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:15:31,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:15:31,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:15:31,289 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c40dcfb3-600e-4154-b70e-c9a005d4b57d/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-10-22 10:15:31,303 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:15:31,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:15:31,307 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:15:31,308 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:15:31,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:15:31,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:15:31,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:15:31,309 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:15:31,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:15:31,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:15:31,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:15:31,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:15:31,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:15:31,310 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 10:15:31,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:15:31,310 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:15:31,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:15:31,310 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:15:31,310 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:15:31,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:15:31,311 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:15:31,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:15:31,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:15:31,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:15:31,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:15:31,312 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:15:31,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:15:31,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:15:31,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c40dcfb3-600e-4154-b70e-c9a005d4b57d/bin/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 -> f9de9875f09e594325a645528f016ce12ac5c646 [2019-10-22 10:15:31,350 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:15:31,363 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:15:31,366 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:15:31,368 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:15:31,368 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:15:31,368 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c40dcfb3-600e-4154-b70e-c9a005d4b57d/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a.c [2019-10-22 10:15:31,421 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c40dcfb3-600e-4154-b70e-c9a005d4b57d/bin/ukojak/data/f8be4eaeb/3ca375a6c2134ee2abf247e9bd4a838a/FLAG59a5f90c9 [2019-10-22 10:15:31,826 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:15:31,826 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c40dcfb3-600e-4154-b70e-c9a005d4b57d/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a.c [2019-10-22 10:15:31,833 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c40dcfb3-600e-4154-b70e-c9a005d4b57d/bin/ukojak/data/f8be4eaeb/3ca375a6c2134ee2abf247e9bd4a838a/FLAG59a5f90c9 [2019-10-22 10:15:31,847 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c40dcfb3-600e-4154-b70e-c9a005d4b57d/bin/ukojak/data/f8be4eaeb/3ca375a6c2134ee2abf247e9bd4a838a [2019-10-22 10:15:31,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:15:31,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:15:31,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:15:31,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:15:31,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:15:31,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:15:31" (1/1) ... [2019-10-22 10:15:31,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f4274c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:31, skipping insertion in model container [2019-10-22 10:15:31,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:15:31" (1/1) ... [2019-10-22 10:15:31,869 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:15:31,888 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:15:32,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:15:32,043 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:15:32,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:15:32,127 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:15:32,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:32 WrapperNode [2019-10-22 10:15:32,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:15:32,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:15:32,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:15:32,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:15:32,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:32" (1/1) ... [2019-10-22 10:15:32,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:32" (1/1) ... [2019-10-22 10:15:32,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:15:32,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:15:32,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:15:32,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:15:32,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:32" (1/1) ... [2019-10-22 10:15:32,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:32" (1/1) ... [2019-10-22 10:15:32,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:32" (1/1) ... [2019-10-22 10:15:32,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:32" (1/1) ... [2019-10-22 10:15:32,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:32" (1/1) ... [2019-10-22 10:15:32,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:32" (1/1) ... [2019-10-22 10:15:32,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:32" (1/1) ... [2019-10-22 10:15:32,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:15:32,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:15:32,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:15:32,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:15:32,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c40dcfb3-600e-4154-b70e-c9a005d4b57d/bin/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 [2019-10-22 10:15:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:15:32,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:15:32,423 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:15:32,423 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 10:15:32,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:32 BoogieIcfgContainer [2019-10-22 10:15:32,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:15:32,425 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:15:32,425 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:15:32,441 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:15:32,442 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:32" (1/1) ... [2019-10-22 10:15:32,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:15:32,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:32,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2019-10-22 10:15:32,485 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-10-22 10:15:32,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:15:32,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:32,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:32,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:32,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2019-10-22 10:15:32,662 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2019-10-22 10:15:32,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:15:32,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:32,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:32,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:32,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2019-10-22 10:15:32,818 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2019-10-22 10:15:32,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:15:32,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:32,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:32,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:32,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2019-10-22 10:15:32,961 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2019-10-22 10:15:32,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:15:32,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:32,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:33,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:33,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2019-10-22 10:15:33,140 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2019-10-22 10:15:33,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:15:33,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:33,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:33,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:33,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2019-10-22 10:15:33,540 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2019-10-22 10:15:33,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:15:33,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:33,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:34,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:34,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2019-10-22 10:15:34,017 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2019-10-22 10:15:34,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:15:34,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:34,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:15:34,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:34,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2019-10-22 10:15:34,235 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2019-10-22 10:15:34,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:15:34,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:34,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:34,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:34,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2019-10-22 10:15:34,417 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2019-10-22 10:15:34,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:15:34,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:34,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:34,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:34,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2019-10-22 10:15:34,819 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2019-10-22 10:15:34,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:15:34,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:34,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:35,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:35,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2019-10-22 10:15:35,181 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2019-10-22 10:15:35,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:15:35,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:35,237 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:35,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:35,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2019-10-22 10:15:35,368 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-10-22 10:15:35,368 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:15:35,368 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2019-10-22 10:15:35,376 INFO L771 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2019-10-22 10:15:35,415 INFO L575 CodeCheckObserver]: Invariant with dag size 8 [2019-10-22 10:15:35,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:15:35 ImpRootNode [2019-10-22 10:15:35,423 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:15:35,423 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:15:35,423 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:15:35,423 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:15:35,424 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:32" (3/4) ... [2019-10-22 10:15:35,427 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:15:35,435 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-10-22 10:15:35,435 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 10:15:35,435 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:15:35,479 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c40dcfb3-600e-4154-b70e-c9a005d4b57d/bin/ukojak/witness.graphml [2019-10-22 10:15:35,479 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:15:35,481 INFO L168 Benchmark]: Toolchain (without parser) took 3630.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 945.9 MB in the beginning and 894.6 MB in the end (delta: 51.2 MB). Peak memory consumption was 190.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:35,481 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:35,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:35,482 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.45 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. [2019-10-22 10:15:35,483 INFO L168 Benchmark]: Boogie Preprocessor took 17.94 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. [2019-10-22 10:15:35,483 INFO L168 Benchmark]: RCFGBuilder took 246.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:35,484 INFO L168 Benchmark]: CodeCheck took 2998.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 901.6 MB in the end (delta: 214.3 MB). Peak memory consumption was 214.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:35,484 INFO L168 Benchmark]: Witness Printer took 55.92 ms. Allocated memory is still 1.2 GB. Free memory was 901.6 MB in the beginning and 894.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:35,486 INFO L335 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, 16 locations, 6 error locations. Result: SAFE, OverallTime: 2.9s, OverallIterations: 12, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 6144 SDtfs, 13534 SDslu, 23072 SDs, 0 SdLazy, 35832 SolverSat, 7218 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 803 GetRequests, 676 SyntacticMatches, 19 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5604 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 1206 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 15/15 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: 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: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (x <= 2147483647 && d <= 2147483647) && y <= 2147483647 * 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 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 275.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.45 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. * Boogie Preprocessor took 17.94 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. * RCFGBuilder took 246.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * CodeCheck took 2998.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 901.6 MB in the end (delta: 214.3 MB). Peak memory consumption was 214.3 MB. Max. memory is 11.5 GB. * Witness Printer took 55.92 ms. Allocated memory is still 1.2 GB. Free memory was 901.6 MB in the beginning and 894.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...