./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig2_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_37039067-eb80-44a3-8203-790f54106ec0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_37039067-eb80-44a3-8203-790f54106ec0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_37039067-eb80-44a3-8203-790f54106ec0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_37039067-eb80-44a3-8203-790f54106ec0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig2_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_37039067-eb80-44a3-8203-790f54106ec0/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_37039067-eb80-44a3-8203-790f54106ec0/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 ff3652fa62b489d4e6a4a85c8349c06d13bd2232 .............................................................................................................................................................................................................................................................................................................. 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 03:07:50,733 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:07:50,734 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:07:50,741 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:07:50,742 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:07:50,742 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:07:50,743 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:07:50,744 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:07:50,745 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:07:50,746 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:07:50,746 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:07:50,746 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:07:50,747 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:07:50,748 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:07:50,749 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:07:50,749 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:07:50,750 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:07:50,751 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:07:50,752 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:07:50,753 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:07:50,754 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:07:50,755 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:07:50,757 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:07:50,757 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:07:50,757 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:07:50,758 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:07:50,758 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:07:50,759 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:07:50,759 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:07:50,760 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:07:50,760 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:07:50,761 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:07:50,761 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:07:50,761 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:07:50,762 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:07:50,762 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:07:50,762 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_37039067-eb80-44a3-8203-790f54106ec0/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 03:07:50,773 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:07:50,773 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:07:50,774 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:07:50,774 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:07:50,774 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:07:50,774 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:07:50,775 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:07:50,775 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 03:07:50,775 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:07:50,775 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:07:50,775 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:07:50,775 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:07:50,775 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:07:50,775 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 03:07:50,775 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:07:50,776 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:07:50,776 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 03:07:50,776 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 03:07:50,776 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:07:50,776 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:07:50,776 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 03:07:50,776 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:07:50,776 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:07:50,777 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:07:50,777 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 03:07:50,777 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:07:50,777 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:07:50,777 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_37039067-eb80-44a3-8203-790f54106ec0/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 -> ff3652fa62b489d4e6a4a85c8349c06d13bd2232 [2018-11-10 03:07:50,798 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:07:50,806 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:07:50,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:07:50,809 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:07:50,809 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:07:50,810 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_37039067-eb80-44a3-8203-790f54106ec0/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig2_true-termination_true-no-overflow.c [2018-11-10 03:07:50,845 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_37039067-eb80-44a3-8203-790f54106ec0/bin-2019/ukojak/data/339a218fa/811a7d03b99c4ce5bcb864a552e9f914/FLAG6ce9daf47 [2018-11-10 03:07:51,236 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:07:51,237 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_37039067-eb80-44a3-8203-790f54106ec0/sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig2_true-termination_true-no-overflow.c [2018-11-10 03:07:51,241 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_37039067-eb80-44a3-8203-790f54106ec0/bin-2019/ukojak/data/339a218fa/811a7d03b99c4ce5bcb864a552e9f914/FLAG6ce9daf47 [2018-11-10 03:07:51,251 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_37039067-eb80-44a3-8203-790f54106ec0/bin-2019/ukojak/data/339a218fa/811a7d03b99c4ce5bcb864a552e9f914 [2018-11-10 03:07:51,253 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:07:51,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:07:51,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:07:51,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:07:51,257 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:07:51,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:07:51" (1/1) ... [2018-11-10 03:07:51,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12305cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:51, skipping insertion in model container [2018-11-10 03:07:51,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:07:51" (1/1) ... [2018-11-10 03:07:51,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:07:51,276 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:07:51,373 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:07:51,375 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:07:51,384 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:07:51,394 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:07:51,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:51 WrapperNode [2018-11-10 03:07:51,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:07:51,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:07:51,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:07:51,395 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:07:51,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:51" (1/1) ... [2018-11-10 03:07:51,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:51" (1/1) ... [2018-11-10 03:07:51,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:07:51,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:07:51,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:07:51,414 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:07:51,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:51" (1/1) ... [2018-11-10 03:07:51,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:51" (1/1) ... [2018-11-10 03:07:51,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:51" (1/1) ... [2018-11-10 03:07:51,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:51" (1/1) ... [2018-11-10 03:07:51,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:51" (1/1) ... [2018-11-10 03:07:51,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:51" (1/1) ... [2018-11-10 03:07:51,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:51" (1/1) ... [2018-11-10 03:07:51,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:07:51,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:07:51,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:07:51,424 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:07:51,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37039067-eb80-44a3-8203-790f54106ec0/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 03:07:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:07:51,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:07:51,599 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:07:51,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:07:51 BoogieIcfgContainer [2018-11-10 03:07:51,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:07:51,600 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 03:07:51,600 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 03:07:51,607 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 03:07:51,607 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:07:51" (1/1) ... [2018-11-10 03:07:51,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:07:51,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:07:51,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-10 03:07:51,637 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-10 03:07:51,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 03:07:51,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:07:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:51,702 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 03:07:51,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:07:51,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-11-10 03:07:51,708 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-11-10 03:07:51,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 03:07:51,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:07:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:51,745 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 03:07:51,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:07:51,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-11-10 03:07:51,796 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-11-10 03:07:51,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 03:07:51,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:07:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:51,826 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 03:07:51,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:07:51,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2018-11-10 03:07:51,932 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-11-10 03:07:51,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 03:07:51,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:07:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:51,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:07:52,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:07:52,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2018-11-10 03:07:52,081 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2018-11-10 03:07:52,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 03:07:52,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:07:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:52,122 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 03:07:52,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:07:52,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2018-11-10 03:07:52,233 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2018-11-10 03:07:52,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 03:07:52,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:07:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:52,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 03:07:52,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:07:52,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2018-11-10 03:07:52,379 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2018-11-10 03:07:52,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 03:07:52,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:07:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:52,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 03:07:52,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:07:52,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 34 states and 47 transitions. [2018-11-10 03:07:52,449 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2018-11-10 03:07:52,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 03:07:52,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:07:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:52,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 03:07:52,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:07:52,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 50 transitions. [2018-11-10 03:07:52,616 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2018-11-10 03:07:52,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 03:07:52,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:07:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:52,641 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 03:07:52,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:07:52,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 51 transitions. [2018-11-10 03:07:52,698 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2018-11-10 03:07:52,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 03:07:52,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:07:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:52,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 03:07:52,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:07:52,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2018-11-10 03:07:52,739 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2018-11-10 03:07:52,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 03:07:52,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:07:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:52,753 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 03:07:52,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:07:52,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2018-11-10 03:07:52,831 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-11-10 03:07:52,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 03:07:52,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:07:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:52,845 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 03:07:52,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:07:52,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2018-11-10 03:07:52,933 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2018-11-10 03:07:52,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 03:07:52,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:07:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:52,973 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 03:07:53,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:07:53,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-10 03:07:53,007 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-10 03:07:53,007 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:07:53,008 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2018-11-10 03:07:53,014 INFO L778 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-10 03:07:53,058 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 03:07:53,064 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:07:53,064 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-11-10 03:07:53,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 03:07:53 ImpRootNode [2018-11-10 03:07:53,064 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 03:07:53,065 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:07:53,065 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:07:53,065 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:07:53,065 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:07:51" (3/4) ... [2018-11-10 03:07:53,067 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 03:07:53,074 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-10 03:07:53,075 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 03:07:53,075 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 03:07:53,103 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_37039067-eb80-44a3-8203-790f54106ec0/bin-2019/ukojak/witness.graphml [2018-11-10 03:07:53,104 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:07:53,104 INFO L168 Benchmark]: Toolchain (without parser) took 1850.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 959.1 MB in the beginning and 892.9 MB in the end (delta: 66.3 MB). Peak memory consumption was 222.0 MB. Max. memory is 11.5 GB. [2018-11-10 03:07:53,105 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:07:53,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.83 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:07:53,105 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.27 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:07:53,105 INFO L168 Benchmark]: Boogie Preprocessor took 9.80 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:07:53,106 INFO L168 Benchmark]: RCFGBuilder took 175.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -196.2 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-10 03:07:53,106 INFO L168 Benchmark]: CodeCheck took 1464.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 896.2 MB in the end (delta: 245.7 MB). Peak memory consumption was 245.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:07:53,106 INFO L168 Benchmark]: Witness Printer took 39.12 ms. Allocated memory is still 1.2 GB. Free memory was 896.2 MB in the beginning and 892.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:07:53,108 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, 18 locations, 4 error locations. SAFE Result, 1.3s OverallTime, 14 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 57344 SDtfs, 53496 SDslu, 39360 SDs, 0 SdLazy, 135694 SolverSat, 24402 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1046 GetRequests, 923 SyntacticMatches, 59 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1785 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 3201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 40/41 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: 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: 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (x <= 2147483647 && 1 <= y) && 0 <= x - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: x <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 139.83 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.27 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.80 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 175.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -196.2 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * CodeCheck took 1464.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 896.2 MB in the end (delta: 245.7 MB). Peak memory consumption was 245.7 MB. Max. memory is 11.5 GB. * Witness Printer took 39.12 ms. Allocated memory is still 1.2 GB. Free memory was 896.2 MB in the beginning and 892.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...