./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_53d94695-3de4-4277-9154-48412691f3e3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_53d94695-3de4-4277-9154-48412691f3e3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_53d94695-3de4-4277-9154-48412691f3e3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_53d94695-3de4-4277-9154-48412691f3e3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_53d94695-3de4-4277-9154-48412691f3e3/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_53d94695-3de4-4277-9154-48412691f3e3/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 835dc6725bef5f7d15ae0e4368f1a97f9d2b8c09 ............................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:17:34,545 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:17:34,547 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:17:34,553 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:17:34,553 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:17:34,554 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:17:34,554 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:17:34,556 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:17:34,557 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:17:34,557 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:17:34,558 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:17:34,558 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:17:34,559 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:17:34,559 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:17:34,560 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:17:34,561 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:17:34,561 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:17:34,563 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:17:34,564 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:17:34,565 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:17:34,566 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:17:34,567 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:17:34,568 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:17:34,569 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:17:34,569 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:17:34,570 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:17:34,570 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:17:34,571 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:17:34,572 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:17:34,572 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:17:34,573 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:17:34,573 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:17:34,573 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:17:34,573 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:17:34,574 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:17:34,575 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:17:34,575 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_53d94695-3de4-4277-9154-48412691f3e3/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 15:17:34,585 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:17:34,586 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:17:34,586 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:17:34,587 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:17:34,587 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:17:34,587 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:17:34,587 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:17:34,588 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:17:34,588 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:17:34,588 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:17:34,588 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:17:34,588 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:17:34,588 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:17:34,588 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 15:17:34,589 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:17:34,589 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:17:34,589 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:17:34,589 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:17:34,589 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:17:34,589 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:17:34,589 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:17:34,590 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:17:34,590 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:17:34,590 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:17:34,590 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:17:34,590 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:17:34,590 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:17:34,591 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:17:34,591 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_53d94695-3de4-4277-9154-48412691f3e3/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 835dc6725bef5f7d15ae0e4368f1a97f9d2b8c09 [2018-11-18 15:17:34,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:17:34,620 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:17:34,623 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:17:34,624 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:17:34,624 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:17:34,624 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_53d94695-3de4-4277-9154-48412691f3e3/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c [2018-11-18 15:17:34,659 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_53d94695-3de4-4277-9154-48412691f3e3/bin-2019/ukojak/data/135bdfe26/cf82fb9409b4411cbcdcd35402793ea4/FLAG73412bb1c [2018-11-18 15:17:34,992 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:17:34,993 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_53d94695-3de4-4277-9154-48412691f3e3/sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c [2018-11-18 15:17:34,998 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_53d94695-3de4-4277-9154-48412691f3e3/bin-2019/ukojak/data/135bdfe26/cf82fb9409b4411cbcdcd35402793ea4/FLAG73412bb1c [2018-11-18 15:17:35,421 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_53d94695-3de4-4277-9154-48412691f3e3/bin-2019/ukojak/data/135bdfe26/cf82fb9409b4411cbcdcd35402793ea4 [2018-11-18 15:17:35,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:17:35,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:17:35,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:17:35,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:17:35,427 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:17:35,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:17:35" (1/1) ... [2018-11-18 15:17:35,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e8c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:35, skipping insertion in model container [2018-11-18 15:17:35,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:17:35" (1/1) ... [2018-11-18 15:17:35,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:17:35,445 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:17:35,550 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:17:35,552 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:17:35,562 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:17:35,570 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:17:35,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:35 WrapperNode [2018-11-18 15:17:35,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:17:35,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:17:35,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:17:35,571 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:17:35,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:35" (1/1) ... [2018-11-18 15:17:35,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:35" (1/1) ... [2018-11-18 15:17:35,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:17:35,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:17:35,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:17:35,590 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:17:35,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:35" (1/1) ... [2018-11-18 15:17:35,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:35" (1/1) ... [2018-11-18 15:17:35,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:35" (1/1) ... [2018-11-18 15:17:35,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:35" (1/1) ... [2018-11-18 15:17:35,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:35" (1/1) ... [2018-11-18 15:17:35,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:35" (1/1) ... [2018-11-18 15:17:35,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:35" (1/1) ... [2018-11-18 15:17:35,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:17:35,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:17:35,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:17:35,601 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:17:35,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53d94695-3de4-4277-9154-48412691f3e3/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:17:35,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:17:35,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:17:35,776 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:17:35,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:17:35 BoogieIcfgContainer [2018-11-18 15:17:35,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:17:35,777 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:17:35,777 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:17:35,783 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:17:35,783 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:17:35" (1/1) ... [2018-11-18 15:17:35,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:17:35,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:17:35,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2018-11-18 15:17:35,812 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2018-11-18 15:17:35,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 15:17:35,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:17:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:35,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:17:35,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:17:35,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2018-11-18 15:17:35,943 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2018-11-18 15:17:35,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 15:17:35,943 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:17:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:35,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:17:35,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:17:35,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2018-11-18 15:17:35,975 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2018-11-18 15:17:35,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 15:17:35,975 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:17:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:35,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:17:36,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:17:36,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2018-11-18 15:17:36,155 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2018-11-18 15:17:36,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 15:17:36,158 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:17:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:36,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:17:36,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:17:36,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2018-11-18 15:17:36,221 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2018-11-18 15:17:36,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 15:17:36,221 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:17:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:36,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:17:36,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:17:36,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2018-11-18 15:17:36,312 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2018-11-18 15:17:36,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 15:17:36,313 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:17:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:36,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:17:36,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:17:36,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2018-11-18 15:17:36,482 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2018-11-18 15:17:36,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 15:17:36,483 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:17:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:36,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:17:36,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:17:36,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2018-11-18 15:17:36,672 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2018-11-18 15:17:36,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 15:17:36,672 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:17:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:36,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:17:36,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:17:36,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 47 states and 73 transitions. [2018-11-18 15:17:36,756 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 73 transitions. [2018-11-18 15:17:36,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 15:17:36,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:17:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:36,785 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:17:36,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:17:36,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2018-11-18 15:17:36,818 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2018-11-18 15:17:36,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 15:17:36,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:17:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:36,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:17:37,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:17:37,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 82 transitions. [2018-11-18 15:17:37,117 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2018-11-18 15:17:37,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 15:17:37,118 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:17:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:37,153 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:17:37,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:17:37,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 54 states and 85 transitions. [2018-11-18 15:17:37,185 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 85 transitions. [2018-11-18 15:17:37,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 15:17:37,185 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:17:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:37,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 15:17:37,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:17:37,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 56 states and 86 transitions. [2018-11-18 15:17:37,279 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 86 transitions. [2018-11-18 15:17:37,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 15:17:37,280 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:17:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:37,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 15:17:37,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:17:37,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 58 states and 87 transitions. [2018-11-18 15:17:37,360 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 87 transitions. [2018-11-18 15:17:37,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 15:17:37,361 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:17:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:37,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:17:37,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:17:37,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2018-11-18 15:17:37,382 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2018-11-18 15:17:37,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 15:17:37,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:17:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:37,389 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:17:37,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:17:37,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2018-11-18 15:17:37,441 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2018-11-18 15:17:37,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:17:37,441 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2018-11-18 15:17:37,447 INFO L775 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2018-11-18 15:17:37,486 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:17:37,488 INFO L579 CodeCheckObserver]: Invariant with dag size 10 [2018-11-18 15:17:37,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:17:37 ImpRootNode [2018-11-18 15:17:37,493 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:17:37,494 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:17:37,494 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:17:37,494 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:17:37,494 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:17:35" (3/4) ... [2018-11-18 15:17:37,496 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:17:37,502 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 15:17:37,503 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 15:17:37,503 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 15:17:37,542 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_53d94695-3de4-4277-9154-48412691f3e3/bin-2019/ukojak/witness.graphml [2018-11-18 15:17:37,542 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:17:37,543 INFO L168 Benchmark]: Toolchain (without parser) took 2119.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -92.0 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:17:37,544 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:17:37,544 INFO L168 Benchmark]: CACSL2BoogieTranslator took 145.83 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:17:37,544 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.76 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:17:37,545 INFO L168 Benchmark]: Boogie Preprocessor took 11.37 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:17:37,545 INFO L168 Benchmark]: RCFGBuilder took 175.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:17:37,545 INFO L168 Benchmark]: CodeCheck took 1716.79 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: 65.2 MB). Peak memory consumption was 65.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:17:37,546 INFO L168 Benchmark]: Witness Printer took 48.33 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:17:37,547 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 27 locations, 8 error locations. SAFE Result, 1.6s OverallTime, 16 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 188416 SDtfs, 274952 SDslu, 274892 SDs, 0 SdLazy, 668414 SolverSat, 143042 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1356 GetRequests, 1220 SyntacticMatches, 64 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2289 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 3145 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 14 PerfectInterpolantSequences, 26/27 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: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (x <= 2147483647 && 0 <= x + 2147483648) && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 145.83 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.76 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.37 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 175.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * CodeCheck took 1716.79 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: 65.2 MB). Peak memory consumption was 65.2 MB. Max. memory is 11.5 GB. * Witness Printer took 48.33 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...