./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex9.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7dd13826-aa6f-42fe-9c0f-28f9ee08711a/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7dd13826-aa6f-42fe-9c0f-28f9ee08711a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7dd13826-aa6f-42fe-9c0f-28f9ee08711a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7dd13826-aa6f-42fe-9c0f-28f9ee08711a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex9.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7dd13826-aa6f-42fe-9c0f-28f9ee08711a/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7dd13826-aa6f-42fe-9c0f-28f9ee08711a/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 fce4ad715fa5546a587c43eb09d1a8cb5dcde607 ........................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 05:15:52,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 05:15:52,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 05:15:52,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 05:15:52,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 05:15:52,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 05:15:52,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 05:15:52,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 05:15:52,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 05:15:52,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 05:15:52,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 05:15:52,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 05:15:52,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 05:15:52,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 05:15:52,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 05:15:52,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 05:15:52,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 05:15:52,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 05:15:52,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 05:15:52,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 05:15:52,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 05:15:52,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 05:15:52,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 05:15:52,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 05:15:52,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 05:15:52,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 05:15:52,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 05:15:52,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 05:15:52,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 05:15:52,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 05:15:52,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 05:15:52,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 05:15:52,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 05:15:52,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 05:15:52,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 05:15:52,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 05:15:52,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 05:15:52,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 05:15:52,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 05:15:52,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 05:15:52,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 05:15:52,454 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7dd13826-aa6f-42fe-9c0f-28f9ee08711a/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-12-01 05:15:52,466 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 05:15:52,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 05:15:52,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 05:15:52,467 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 05:15:52,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 05:15:52,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 05:15:52,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 05:15:52,468 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 05:15:52,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 05:15:52,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 05:15:52,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 05:15:52,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 05:15:52,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 05:15:52,469 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-01 05:15:52,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 05:15:52,470 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 05:15:52,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 05:15:52,470 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 05:15:52,470 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 05:15:52,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 05:15:52,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 05:15:52,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 05:15:52,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 05:15:52,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 05:15:52,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 05:15:52,472 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 05:15:52,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 05:15:52,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 05:15:52,472 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/run_dir_7dd13826-aa6f-42fe-9c0f-28f9ee08711a/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 -> fce4ad715fa5546a587c43eb09d1a8cb5dcde607 [2019-12-01 05:15:52,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 05:15:52,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 05:15:52,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 05:15:52,589 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 05:15:52,590 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 05:15:52,590 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7dd13826-aa6f-42fe-9c0f-28f9ee08711a/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex9.c [2019-12-01 05:15:52,626 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7dd13826-aa6f-42fe-9c0f-28f9ee08711a/bin/ukojak/data/483fe7620/e9a18f1bccdf4e7db3cff77de2380e0d/FLAG9340c2d65 [2019-12-01 05:15:53,050 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 05:15:53,051 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7dd13826-aa6f-42fe-9c0f-28f9ee08711a/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex9.c [2019-12-01 05:15:53,054 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7dd13826-aa6f-42fe-9c0f-28f9ee08711a/bin/ukojak/data/483fe7620/e9a18f1bccdf4e7db3cff77de2380e0d/FLAG9340c2d65 [2019-12-01 05:15:53,063 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7dd13826-aa6f-42fe-9c0f-28f9ee08711a/bin/ukojak/data/483fe7620/e9a18f1bccdf4e7db3cff77de2380e0d [2019-12-01 05:15:53,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 05:15:53,066 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 05:15:53,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 05:15:53,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 05:15:53,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 05:15:53,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:15:53" (1/1) ... [2019-12-01 05:15:53,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e36ea05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:53, skipping insertion in model container [2019-12-01 05:15:53,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:15:53" (1/1) ... [2019-12-01 05:15:53,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 05:15:53,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 05:15:53,181 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 05:15:53,183 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 05:15:53,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 05:15:53,238 INFO L208 MainTranslator]: Completed translation [2019-12-01 05:15:53,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:53 WrapperNode [2019-12-01 05:15:53,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 05:15:53,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 05:15:53,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 05:15:53,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 05:15:53,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:53" (1/1) ... [2019-12-01 05:15:53,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:53" (1/1) ... [2019-12-01 05:15:53,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 05:15:53,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 05:15:53,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 05:15:53,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 05:15:53,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:53" (1/1) ... [2019-12-01 05:15:53,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:53" (1/1) ... [2019-12-01 05:15:53,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:53" (1/1) ... [2019-12-01 05:15:53,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:53" (1/1) ... [2019-12-01 05:15:53,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:53" (1/1) ... [2019-12-01 05:15:53,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:53" (1/1) ... [2019-12-01 05:15:53,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:53" (1/1) ... [2019-12-01 05:15:53,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 05:15:53,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 05:15:53,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 05:15:53,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 05:15:53,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:15:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7dd13826-aa6f-42fe-9c0f-28f9ee08711a/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 [2019-12-01 05:15:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 05:15:53,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 05:15:53,436 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 05:15:53,436 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-01 05:15:53,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:15:53 BoogieIcfgContainer [2019-12-01 05:15:53,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 05:15:53,437 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 05:15:53,437 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 05:15:53,444 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 05:15:53,444 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:15:53" (1/1) ... [2019-12-01 05:15:53,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 05:15:53,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:15:53,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2019-12-01 05:15:53,473 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2019-12-01 05:15:53,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 05:15:53,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:15:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:15:53,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:15:53,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:15:53,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2019-12-01 05:15:53,601 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2019-12-01 05:15:53,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 05:15:53,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:15:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:15:53,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:15:53,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:15:53,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2019-12-01 05:15:53,704 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2019-12-01 05:15:53,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 05:15:53,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:15:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:15:53,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:15:53,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:15:53,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 22 states and 36 transitions. [2019-12-01 05:15:53,815 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 36 transitions. [2019-12-01 05:15:53,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 05:15:53,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:15:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:15:53,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:15:53,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:15:53,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2019-12-01 05:15:53,940 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2019-12-01 05:15:53,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 05:15:53,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:15:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:15:53,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:15:54,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:15:54,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2019-12-01 05:15:54,001 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2019-12-01 05:15:54,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 05:15:54,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:15:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:15:54,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 05:15:54,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:15:54,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2019-12-01 05:15:54,125 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2019-12-01 05:15:54,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 05:15:54,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:15:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:15:54,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 05:15:54,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:15:54,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2019-12-01 05:15:54,188 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2019-12-01 05:15:54,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 05:15:54,188 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2019-12-01 05:15:54,194 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2019-12-01 05:15:54,232 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-12-01 05:15:54,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:15:54 ImpRootNode [2019-12-01 05:15:54,239 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 05:15:54,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 05:15:54,240 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 05:15:54,240 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 05:15:54,240 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:15:53" (3/4) ... [2019-12-01 05:15:54,242 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 05:15:54,249 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-01 05:15:54,249 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-01 05:15:54,249 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 05:15:54,277 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7dd13826-aa6f-42fe-9c0f-28f9ee08711a/bin/ukojak/witness.graphml [2019-12-01 05:15:54,277 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 05:15:54,278 INFO L168 Benchmark]: Toolchain (without parser) took 1211.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 940.8 MB in the beginning and 941.4 MB in the end (delta: -558.2 kB). Peak memory consumption was 105.9 MB. Max. memory is 11.5 GB. [2019-12-01 05:15:54,279 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 05:15:54,279 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-12-01 05:15:54,279 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 05:15:54,279 INFO L168 Benchmark]: Boogie Preprocessor took 12.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 05:15:54,280 INFO L168 Benchmark]: RCFGBuilder took 164.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-01 05:15:54,280 INFO L168 Benchmark]: CodeCheck took 802.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 946.8 MB in the end (delta: 138.1 MB). Peak memory consumption was 138.1 MB. Max. memory is 11.5 GB. [2019-12-01 05:15:54,280 INFO L168 Benchmark]: Witness Printer took 37.27 ms. Allocated memory is still 1.1 GB. Free memory was 946.8 MB in the beginning and 941.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 05:15:54,282 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, 13 locations, 4 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 1016 SDslu, 128 SDs, 0 SdLazy, 4302 SolverSat, 606 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 457 GetRequests, 407 SyntacticMatches, 10 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 589 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 9/9 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: 22]: 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: 22]: 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: q <= 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 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 172.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 164.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * CodeCheck took 802.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 946.8 MB in the end (delta: 138.1 MB). Peak memory consumption was 138.1 MB. Max. memory is 11.5 GB. * Witness Printer took 37.27 ms. Allocated memory is still 1.1 GB. Free memory was 946.8 MB in the beginning and 941.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...