./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1_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_a9bf08c6-91a1-468c-83be-55a779b4f3d0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a9bf08c6-91a1-468c-83be-55a779b4f3d0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a9bf08c6-91a1-468c-83be-55a779b4f3d0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a9bf08c6-91a1-468c-83be-55a779b4f3d0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a9bf08c6-91a1-468c-83be-55a779b4f3d0/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a9bf08c6-91a1-468c-83be-55a779b4f3d0/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 7e9d7ee8b64b2fe79b2fb3806ae1ecb1089e2e41 .................................................................................................................................................................................................................................................................... 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 09:04:18,509 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:04:18,510 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:04:18,516 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:04:18,516 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:04:18,517 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:04:18,518 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:04:18,518 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:04:18,519 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:04:18,520 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:04:18,520 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:04:18,520 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:04:18,521 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:04:18,521 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:04:18,522 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:04:18,522 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:04:18,522 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:04:18,523 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:04:18,525 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:04:18,526 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:04:18,526 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:04:18,527 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:04:18,529 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:04:18,529 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:04:18,529 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:04:18,530 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:04:18,531 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:04:18,531 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:04:18,531 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:04:18,532 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:04:18,532 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:04:18,532 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:04:18,532 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:04:18,533 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:04:18,533 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:04:18,533 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:04:18,534 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a9bf08c6-91a1-468c-83be-55a779b4f3d0/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 09:04:18,544 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:04:18,544 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:04:18,544 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 09:04:18,545 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 09:04:18,545 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 09:04:18,545 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 09:04:18,545 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:04:18,545 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 09:04:18,546 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 09:04:18,546 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:04:18,546 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 09:04:18,546 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 09:04:18,546 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 09:04:18,546 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 09:04:18,546 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:04:18,546 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 09:04:18,546 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 09:04:18,547 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 09:04:18,547 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:04:18,547 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 09:04:18,547 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 09:04:18,547 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:04:18,547 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 09:04:18,547 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 09:04:18,547 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 09:04:18,547 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 09:04:18,548 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 09:04:18,548 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_a9bf08c6-91a1-468c-83be-55a779b4f3d0/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 -> 7e9d7ee8b64b2fe79b2fb3806ae1ecb1089e2e41 [2018-11-10 09:04:18,570 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:04:18,580 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:04:18,582 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:04:18,584 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:04:18,584 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:04:18,584 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a9bf08c6-91a1-468c-83be-55a779b4f3d0/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1_true-termination_true-no-overflow.c [2018-11-10 09:04:18,630 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9bf08c6-91a1-468c-83be-55a779b4f3d0/bin-2019/ukojak/data/b9e3c5682/f06426dd066f4a06bd6b19b5a276423b/FLAGe11e64eb7 [2018-11-10 09:04:19,044 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:04:19,044 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a9bf08c6-91a1-468c-83be-55a779b4f3d0/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1_true-termination_true-no-overflow.c [2018-11-10 09:04:19,048 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9bf08c6-91a1-468c-83be-55a779b4f3d0/bin-2019/ukojak/data/b9e3c5682/f06426dd066f4a06bd6b19b5a276423b/FLAGe11e64eb7 [2018-11-10 09:04:19,057 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a9bf08c6-91a1-468c-83be-55a779b4f3d0/bin-2019/ukojak/data/b9e3c5682/f06426dd066f4a06bd6b19b5a276423b [2018-11-10 09:04:19,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:04:19,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:04:19,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:04:19,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:04:19,064 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:04:19,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:04:19" (1/1) ... [2018-11-10 09:04:19,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@372d3e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:04:19, skipping insertion in model container [2018-11-10 09:04:19,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:04:19" (1/1) ... [2018-11-10 09:04:19,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:04:19,089 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:04:19,196 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:04:19,199 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:04:19,210 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:04:19,218 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:04:19,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:04:19 WrapperNode [2018-11-10 09:04:19,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:04:19,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 09:04:19,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 09:04:19,219 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 09:04:19,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:04:19" (1/1) ... [2018-11-10 09:04:19,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:04:19" (1/1) ... [2018-11-10 09:04:19,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 09:04:19,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:04:19,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:04:19,242 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:04:19,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:04:19" (1/1) ... [2018-11-10 09:04:19,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:04:19" (1/1) ... [2018-11-10 09:04:19,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:04:19" (1/1) ... [2018-11-10 09:04:19,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:04:19" (1/1) ... [2018-11-10 09:04:19,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:04:19" (1/1) ... [2018-11-10 09:04:19,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:04:19" (1/1) ... [2018-11-10 09:04:19,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:04:19" (1/1) ... [2018-11-10 09:04:19,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:04:19,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:04:19,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:04:19,254 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:04:19,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:04:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9bf08c6-91a1-468c-83be-55a779b4f3d0/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 09:04:19,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:04:19,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:04:19,463 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:04:19,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:04:19 BoogieIcfgContainer [2018-11-10 09:04:19,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 09:04:19,464 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 09:04:19,464 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 09:04:19,472 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 09:04:19,472 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:04:19" (1/1) ... [2018-11-10 09:04:19,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:04:19,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:04:19,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-10 09:04:19,524 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-10 09:04:19,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 09:04:19,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:04:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:04:19,628 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 09:04:19,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:04:19,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2018-11-10 09:04:19,664 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2018-11-10 09:04:19,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 09:04:19,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:04:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:04:19,691 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 09:04:19,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:04:19,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2018-11-10 09:04:19,750 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2018-11-10 09:04:19,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 09:04:19,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:04:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:04:19,809 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 09:04:19,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:04:19,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2018-11-10 09:04:19,943 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2018-11-10 09:04:19,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 09:04:19,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:04:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:04:19,967 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 09:04:20,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:04:20,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2018-11-10 09:04:20,068 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2018-11-10 09:04:20,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 09:04:20,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:04:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:04:20,109 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 09:04:20,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:04:20,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2018-11-10 09:04:20,140 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2018-11-10 09:04:20,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 09:04:20,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:04:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:04:20,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:04:20,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:04:20,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2018-11-10 09:04:20,206 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2018-11-10 09:04:20,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 09:04:20,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:04:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:04:20,222 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 09:04:20,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:04:20,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2018-11-10 09:04:20,356 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2018-11-10 09:04:20,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 09:04:20,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:04:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:04:20,379 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 09:04:20,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:04:20,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-11-10 09:04:20,411 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-11-10 09:04:20,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 09:04:20,411 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-11-10 09:04:20,419 INFO L778 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-10 09:04:20,451 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:04:20,453 INFO L582 CodeCheckObserver]: Invariant with dag size 6 [2018-11-10 09:04:20,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 09:04:20 ImpRootNode [2018-11-10 09:04:20,460 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 09:04:20,460 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 09:04:20,460 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 09:04:20,460 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 09:04:20,460 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:04:19" (3/4) ... [2018-11-10 09:04:20,463 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 09:04:20,469 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 09:04:20,469 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 09:04:20,470 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 09:04:20,505 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a9bf08c6-91a1-468c-83be-55a779b4f3d0/bin-2019/ukojak/witness.graphml [2018-11-10 09:04:20,506 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 09:04:20,506 INFO L168 Benchmark]: Toolchain (without parser) took 1446.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 962.0 MB in the beginning and 983.3 MB in the end (delta: -21.3 MB). Peak memory consumption was 111.8 MB. Max. memory is 11.5 GB. [2018-11-10 09:04:20,507 INFO L168 Benchmark]: CDTParser took 0.15 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 09:04:20,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 158.14 ms. Allocated memory is still 1.0 GB. Free memory was 962.0 MB in the beginning and 951.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 09:04:20,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.33 ms. Allocated memory is still 1.0 GB. Free memory is still 951.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:04:20,508 INFO L168 Benchmark]: Boogie Preprocessor took 12.18 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 09:04:20,509 INFO L168 Benchmark]: RCFGBuilder took 209.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 09:04:20,509 INFO L168 Benchmark]: CodeCheck took 995.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.7 MB in the end (delta: 132.2 MB). Peak memory consumption was 132.2 MB. Max. memory is 11.5 GB. [2018-11-10 09:04:20,510 INFO L168 Benchmark]: Witness Printer took 45.72 ms. Allocated memory is still 1.2 GB. Free memory was 988.7 MB in the beginning and 983.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 09:04:20,512 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, 17 locations, 4 error locations. SAFE Result, 0.9s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1024 SDtfs, 2088 SDslu, 2892 SDs, 0 SdLazy, 4710 SolverSat, 870 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 569 GetRequests, 503 SyntacticMatches, 28 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 566 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 1124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 14/14 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: x <= 2147483647 && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 158.14 ms. Allocated memory is still 1.0 GB. Free memory was 962.0 MB in the beginning and 951.2 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 22.33 ms. Allocated memory is still 1.0 GB. Free memory is still 951.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.18 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 209.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * CodeCheck took 995.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.7 MB in the end (delta: 132.2 MB). Peak memory consumption was 132.2 MB. Max. memory is 11.5 GB. * Witness Printer took 45.72 ms. Allocated memory is still 1.2 GB. Free memory was 988.7 MB in the beginning and 983.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...