./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6aab243f-a2a1-4fed-ba4d-2a03c18d1fff/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6aab243f-a2a1-4fed-ba4d-2a03c18d1fff/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6aab243f-a2a1-4fed-ba4d-2a03c18d1fff/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6aab243f-a2a1-4fed-ba4d-2a03c18d1fff/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6aab243f-a2a1-4fed-ba4d-2a03c18d1fff/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6aab243f-a2a1-4fed-ba4d-2a03c18d1fff/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 41d35d9d9785c70c81ceac96efa22b5a4097e6f4 ......................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:15:13,494 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:15:13,495 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:15:13,502 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:15:13,502 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:15:13,503 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:15:13,503 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:15:13,505 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:15:13,506 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:15:13,506 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:15:13,507 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:15:13,507 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:15:13,508 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:15:13,508 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:15:13,509 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:15:13,509 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:15:13,510 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:15:13,511 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:15:13,512 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:15:13,513 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:15:13,514 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:15:13,514 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:15:13,516 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:15:13,516 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:15:13,516 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:15:13,516 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:15:13,517 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:15:13,517 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:15:13,518 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:15:13,519 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:15:13,519 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:15:13,519 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:15:13,519 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:15:13,519 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:15:13,520 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:15:13,521 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:15:13,521 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6aab243f-a2a1-4fed-ba4d-2a03c18d1fff/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 10:15:13,528 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:15:13,529 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:15:13,529 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:15:13,529 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:15:13,530 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:15:13,530 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:15:13,530 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:15:13,530 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 10:15:13,530 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:15:13,530 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:15:13,531 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:15:13,531 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:15:13,531 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:15:13,531 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 10:15:13,531 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:15:13,531 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:15:13,531 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 10:15:13,532 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 10:15:13,532 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:15:13,532 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:15:13,532 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:15:13,532 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:15:13,532 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:15:13,532 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:15:13,533 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 10:15:13,533 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:15:13,533 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:15:13,533 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_6aab243f-a2a1-4fed-ba4d-2a03c18d1fff/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 -> 41d35d9d9785c70c81ceac96efa22b5a4097e6f4 [2018-11-10 10:15:13,559 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:15:13,567 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:15:13,569 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:15:13,570 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:15:13,570 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:15:13,571 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6aab243f-a2a1-4fed-ba4d-2a03c18d1fff/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b_true-termination_true-no-overflow.c [2018-11-10 10:15:13,608 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6aab243f-a2a1-4fed-ba4d-2a03c18d1fff/bin-2019/ukojak/data/8cc3d1980/58e374fb18734ee6a01c352fc5b32444/FLAG6182d9053 [2018-11-10 10:15:14,008 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:15:14,008 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6aab243f-a2a1-4fed-ba4d-2a03c18d1fff/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b_true-termination_true-no-overflow.c [2018-11-10 10:15:14,012 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6aab243f-a2a1-4fed-ba4d-2a03c18d1fff/bin-2019/ukojak/data/8cc3d1980/58e374fb18734ee6a01c352fc5b32444/FLAG6182d9053 [2018-11-10 10:15:14,021 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6aab243f-a2a1-4fed-ba4d-2a03c18d1fff/bin-2019/ukojak/data/8cc3d1980/58e374fb18734ee6a01c352fc5b32444 [2018-11-10 10:15:14,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:15:14,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:15:14,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:15:14,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:15:14,028 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:15:14,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:15:14" (1/1) ... [2018-11-10 10:15:14,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@837b16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:15:14, skipping insertion in model container [2018-11-10 10:15:14,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:15:14" (1/1) ... [2018-11-10 10:15:14,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:15:14,047 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:15:14,138 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:15:14,141 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:15:14,151 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:15:14,159 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:15:14,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:15:14 WrapperNode [2018-11-10 10:15:14,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:15:14,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:15:14,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:15:14,160 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:15:14,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:15:14" (1/1) ... [2018-11-10 10:15:14,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:15:14" (1/1) ... [2018-11-10 10:15:14,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:15:14,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:15:14,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:15:14,182 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:15:14,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:15:14" (1/1) ... [2018-11-10 10:15:14,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:15:14" (1/1) ... [2018-11-10 10:15:14,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:15:14" (1/1) ... [2018-11-10 10:15:14,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:15:14" (1/1) ... [2018-11-10 10:15:14,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:15:14" (1/1) ... [2018-11-10 10:15:14,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:15:14" (1/1) ... [2018-11-10 10:15:14,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:15:14" (1/1) ... [2018-11-10 10:15:14,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:15:14,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:15:14,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:15:14,194 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:15:14,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:15:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6aab243f-a2a1-4fed-ba4d-2a03c18d1fff/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 [2018-11-10 10:15:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:15:14,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:15:14,417 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:15:14,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:15:14 BoogieIcfgContainer [2018-11-10 10:15:14,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:15:14,418 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 10:15:14,418 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 10:15:14,428 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 10:15:14,428 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:15:14" (1/1) ... [2018-11-10 10:15:14,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:15:14,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:15:14,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2018-11-10 10:15:14,474 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2018-11-10 10:15:14,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 10:15:14,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:15:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:15:14,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:15:14,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:15:14,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2018-11-10 10:15:14,671 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2018-11-10 10:15:14,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 10:15:14,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:15:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:15:14,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:15:14,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:15:14,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2018-11-10 10:15:14,797 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2018-11-10 10:15:14,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 10:15:14,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:15:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:15:14,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:15:14,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:15:14,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2018-11-10 10:15:14,975 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2018-11-10 10:15:14,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 10:15:14,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:15:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:15:15,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:15:15,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:15:15,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2018-11-10 10:15:15,132 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2018-11-10 10:15:15,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 10:15:15,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:15:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:15:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:15:15,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:15:15,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2018-11-10 10:15:15,346 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2018-11-10 10:15:15,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 10:15:15,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:15:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:15:15,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:15:15,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:15:15,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2018-11-10 10:15:15,567 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2018-11-10 10:15:15,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 10:15:15,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:15:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:15:15,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:15:15,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:15:15,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 42 states and 77 transitions. [2018-11-10 10:15:15,631 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 77 transitions. [2018-11-10 10:15:15,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 10:15:15,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:15:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:15:15,644 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 10:15:15,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:15:15,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 45 states and 83 transitions. [2018-11-10 10:15:15,818 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2018-11-10 10:15:15,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 10:15:15,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:15:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:15:15,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 10:15:15,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:15:15,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 84 transitions. [2018-11-10 10:15:15,916 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2018-11-10 10:15:15,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 10:15:15,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:15:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:15:15,931 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 10:15:16,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:15:16,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 49 states and 85 transitions. [2018-11-10 10:15:16,009 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 85 transitions. [2018-11-10 10:15:16,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 10:15:16,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:15:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:15:16,047 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:15:16,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:15:16,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 50 states and 86 transitions. [2018-11-10 10:15:16,077 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 86 transitions. [2018-11-10 10:15:16,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 10:15:16,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:15:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:15:16,112 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:15:16,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:15:16,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2018-11-10 10:15:16,135 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2018-11-10 10:15:16,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 10:15:16,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:15:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:15:16,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:15:16,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:15:16,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-11-10 10:15:16,220 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-11-10 10:15:16,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:15:16,221 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2018-11-10 10:15:16,229 INFO L778 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2018-11-10 10:15:16,289 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:15:16,291 INFO L582 CodeCheckObserver]: Invariant with dag size 8 [2018-11-10 10:15:16,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 10:15:16 ImpRootNode [2018-11-10 10:15:16,296 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 10:15:16,296 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:15:16,296 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:15:16,296 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:15:16,297 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:15:14" (3/4) ... [2018-11-10 10:15:16,299 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:15:16,307 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 10:15:16,307 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 10:15:16,308 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 10:15:16,343 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6aab243f-a2a1-4fed-ba4d-2a03c18d1fff/bin-2019/ukojak/witness.graphml [2018-11-10 10:15:16,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:15:16,345 INFO L168 Benchmark]: Toolchain (without parser) took 2321.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 963.0 MB in the beginning and 1.1 GB in the end (delta: -89.9 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:15:16,346 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:15:16,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 135.40 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 952.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:15:16,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.20 ms. Allocated memory is still 1.0 GB. Free memory is still 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:15:16,347 INFO L168 Benchmark]: Boogie Preprocessor took 11.81 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 946.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:15:16,347 INFO L168 Benchmark]: RCFGBuilder took 224.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:15:16,348 INFO L168 Benchmark]: CodeCheck took 1877.67 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: 71.0 MB). Peak memory consumption was 71.0 MB. Max. memory is 11.5 GB. [2018-11-10 10:15:16,348 INFO L168 Benchmark]: Witness Printer took 48.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:15:16,350 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, 22 locations, 6 error locations. SAFE Result, 1.7s OverallTime, 14 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 53248 SDtfs, 85284 SDslu, 136232 SDs, 0 SdLazy, 175184 SolverSat, 32464 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1215 GetRequests, 1076 SyntacticMatches, 61 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2783 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 2653 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 27/27 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: 22]: 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: 24]: 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: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (x <= 2147483647 && z <= 2147483647) && y <= 2147483647 * 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 135.40 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 952.3 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 21.20 ms. Allocated memory is still 1.0 GB. Free memory is still 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.81 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 946.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 224.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * CodeCheck took 1877.67 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: 71.0 MB). Peak memory consumption was 71.0 MB. Max. memory is 11.5 GB. * Witness Printer took 48.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...