./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive/McCarthy91_true-unreach-call_true-no-overflow_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_97822ea6-6158-465e-a896-73ada19105d8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_97822ea6-6158-465e-a896-73ada19105d8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_97822ea6-6158-465e-a896-73ada19105d8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_97822ea6-6158-465e-a896-73ada19105d8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/McCarthy91_true-unreach-call_true-no-overflow_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_97822ea6-6158-465e-a896-73ada19105d8/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_97822ea6-6158-465e-a896-73ada19105d8/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 32bit --witnessprinter.graph.data.programhash edcc597a46f9ad79563531282ca675b8b1d7c4bf ................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 04:02:58,495 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 04:02:58,496 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 04:02:58,502 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 04:02:58,502 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 04:02:58,503 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 04:02:58,503 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 04:02:58,504 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 04:02:58,505 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 04:02:58,505 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 04:02:58,506 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 04:02:58,506 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 04:02:58,506 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 04:02:58,507 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 04:02:58,507 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 04:02:58,508 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 04:02:58,508 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 04:02:58,509 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 04:02:58,510 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 04:02:58,511 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 04:02:58,511 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 04:02:58,512 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 04:02:58,513 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 04:02:58,513 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 04:02:58,513 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 04:02:58,514 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 04:02:58,514 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 04:02:58,515 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 04:02:58,515 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 04:02:58,516 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 04:02:58,516 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 04:02:58,516 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 04:02:58,516 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 04:02:58,516 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 04:02:58,517 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 04:02:58,517 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 04:02:58,517 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_97822ea6-6158-465e-a896-73ada19105d8/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2018-12-09 04:02:58,525 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 04:02:58,525 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 04:02:58,525 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 04:02:58,525 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 04:02:58,526 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 04:02:58,526 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 04:02:58,526 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 04:02:58,526 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 04:02:58,526 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 04:02:58,526 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 04:02:58,526 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 04:02:58,526 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 04:02:58,526 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 04:02:58,527 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 04:02:58,527 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 04:02:58,527 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-09 04:02:58,527 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 04:02:58,527 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 04:02:58,527 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 04:02:58,527 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 04:02:58,527 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 04:02:58,527 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 04:02:58,527 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 04:02:58,527 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 04:02:58,527 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 04:02:58,528 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 04:02:58,528 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 04:02:58,528 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 04:02:58,528 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 04:02:58,528 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 04:02:58,528 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 04:02:58,528 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_97822ea6-6158-465e-a896-73ada19105d8/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edcc597a46f9ad79563531282ca675b8b1d7c4bf [2018-12-09 04:02:58,546 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 04:02:58,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 04:02:58,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 04:02:58,555 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 04:02:58,555 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 04:02:58,556 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_97822ea6-6158-465e-a896-73ada19105d8/bin-2019/ukojak/../../sv-benchmarks/c/recursive/McCarthy91_true-unreach-call_true-no-overflow_true-termination.c [2018-12-09 04:02:58,588 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97822ea6-6158-465e-a896-73ada19105d8/bin-2019/ukojak/data/2d446b265/a60655cc5e4642a0871c9a18148027df/FLAGda8b42487 [2018-12-09 04:02:58,916 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 04:02:58,917 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_97822ea6-6158-465e-a896-73ada19105d8/sv-benchmarks/c/recursive/McCarthy91_true-unreach-call_true-no-overflow_true-termination.c [2018-12-09 04:02:58,921 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97822ea6-6158-465e-a896-73ada19105d8/bin-2019/ukojak/data/2d446b265/a60655cc5e4642a0871c9a18148027df/FLAGda8b42487 [2018-12-09 04:02:59,314 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_97822ea6-6158-465e-a896-73ada19105d8/bin-2019/ukojak/data/2d446b265/a60655cc5e4642a0871c9a18148027df [2018-12-09 04:02:59,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 04:02:59,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 04:02:59,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 04:02:59,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 04:02:59,320 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 04:02:59,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:02:59" (1/1) ... [2018-12-09 04:02:59,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2251f510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:59, skipping insertion in model container [2018-12-09 04:02:59,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:02:59" (1/1) ... [2018-12-09 04:02:59,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 04:02:59,342 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 04:02:59,425 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:02:59,427 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 04:02:59,435 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 04:02:59,443 INFO L195 MainTranslator]: Completed translation [2018-12-09 04:02:59,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:59 WrapperNode [2018-12-09 04:02:59,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 04:02:59,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 04:02:59,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 04:02:59,445 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 04:02:59,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:59" (1/1) ... [2018-12-09 04:02:59,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:59" (1/1) ... [2018-12-09 04:02:59,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 04:02:59,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 04:02:59,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 04:02:59,464 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 04:02:59,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:59" (1/1) ... [2018-12-09 04:02:59,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:59" (1/1) ... [2018-12-09 04:02:59,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:59" (1/1) ... [2018-12-09 04:02:59,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:59" (1/1) ... [2018-12-09 04:02:59,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:59" (1/1) ... [2018-12-09 04:02:59,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:59" (1/1) ... [2018-12-09 04:02:59,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:59" (1/1) ... [2018-12-09 04:02:59,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 04:02:59,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 04:02:59,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 04:02:59,474 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 04:02:59,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:02:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_97822ea6-6158-465e-a896-73ada19105d8/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 [2018-12-09 04:02:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 04:02:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 04:02:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure f91 [2018-12-09 04:02:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure f91 [2018-12-09 04:02:59,639 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 04:02:59,640 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-09 04:02:59,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:02:59 BoogieIcfgContainer [2018-12-09 04:02:59,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 04:02:59,640 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 04:02:59,640 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 04:02:59,648 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 04:02:59,648 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:02:59" (1/1) ... [2018-12-09 04:02:59,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 04:02:59,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:02:59,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2018-12-09 04:02:59,691 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2018-12-09 04:02:59,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 04:02:59,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:02:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:02:59,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:02:59,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:02:59,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 37 transitions. [2018-12-09 04:02:59,831 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2018-12-09 04:02:59,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 04:02:59,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:02:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:02:59,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:02:59,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:02:59,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 36 transitions. [2018-12-09 04:02:59,859 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2018-12-09 04:02:59,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 04:02:59,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:02:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:02:59,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:02:59,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:02:59,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 35 transitions. [2018-12-09 04:02:59,898 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2018-12-09 04:02:59,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 04:02:59,898 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:02:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:02:59,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:03:00,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:03:00,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 41 transitions. [2018-12-09 04:03:00,068 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2018-12-09 04:03:00,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 04:03:00,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:03:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:03:00,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:03:00,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:03:00,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 40 transitions. [2018-12-09 04:03:00,146 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2018-12-09 04:03:00,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 04:03:00,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:03:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:03:00,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:03:00,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:03:00,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 39 transitions. [2018-12-09 04:03:00,207 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2018-12-09 04:03:00,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 04:03:00,207 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:03:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:03:00,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:03:00,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:03:00,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 38 transitions. [2018-12-09 04:03:00,232 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2018-12-09 04:03:00,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 04:03:00,232 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:03:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:03:00,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 04:03:00,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:03:00,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 37 transitions. [2018-12-09 04:03:00,372 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2018-12-09 04:03:00,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 04:03:00,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:03:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:03:00,406 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 04:03:00,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:03:00,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 32 transitions. [2018-12-09 04:03:00,431 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2018-12-09 04:03:00,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 04:03:00,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 04:03:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 04:03:00,459 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 04:03:00,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 04:03:00,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 26 transitions. [2018-12-09 04:03:00,515 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-12-09 04:03:00,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 04:03:00,516 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-12-09 04:03:00,522 INFO L779 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2018-12-09 04:03:00,561 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 04:03:00,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 04:03:00 ImpRootNode [2018-12-09 04:03:00,563 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 04:03:00,563 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 04:03:00,563 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 04:03:00,563 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 04:03:00,563 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:02:59" (3/4) ... [2018-12-09 04:03:00,566 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 04:03:00,569 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f91 [2018-12-09 04:03:00,572 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 04:03:00,572 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 04:03:00,572 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 04:03:00,599 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_97822ea6-6158-465e-a896-73ada19105d8/bin-2019/ukojak/witness.graphml [2018-12-09 04:03:00,599 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 04:03:00,600 INFO L168 Benchmark]: Toolchain (without parser) took 1283.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 961.4 MB in the beginning and 912.2 MB in the end (delta: 49.1 MB). Peak memory consumption was 176.0 MB. Max. memory is 11.5 GB. [2018-12-09 04:03:00,601 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:03:00,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 126.50 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 04:03:00,602 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.43 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 04:03:00,602 INFO L168 Benchmark]: Boogie Preprocessor took 9.73 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 04:03:00,602 INFO L168 Benchmark]: RCFGBuilder took 166.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -161.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-09 04:03:00,603 INFO L168 Benchmark]: CodeCheck took 922.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 919.0 MB in the end (delta: 187.3 MB). Peak memory consumption was 187.3 MB. Max. memory is 11.5 GB. [2018-12-09 04:03:00,603 INFO L168 Benchmark]: Witness Printer took 36.52 ms. Allocated memory is still 1.2 GB. Free memory was 919.0 MB in the beginning and 912.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-09 04:03:00,605 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 2 procedures, 31 locations, 6 error locations. SAFE Result, 0.8s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2688 SDtfs, 3040 SDslu, 64 SDs, 0 SdLazy, 18534 SolverSat, 6214 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 811 GetRequests, 748 SyntacticMatches, 17 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 803 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 2558 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 30/30 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: 27]: 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: 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 6 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 126.50 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 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 19.43 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.73 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 166.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -161.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * CodeCheck took 922.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 919.0 MB in the end (delta: 187.3 MB). Peak memory consumption was 187.3 MB. Max. memory is 11.5 GB. * Witness Printer took 36.52 ms. Allocated memory is still 1.2 GB. Free memory was 919.0 MB in the beginning and 912.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...