./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-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_d9a8257d-929c-4f15-b1b7-de88d0f449de/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d9a8257d-929c-4f15-b1b7-de88d0f449de/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d9a8257d-929c-4f15-b1b7-de88d0f449de/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d9a8257d-929c-4f15-b1b7-de88d0f449de/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d9a8257d-929c-4f15-b1b7-de88d0f449de/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d9a8257d-929c-4f15-b1b7-de88d0f449de/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 f7e1c1540b70904598fe5e82d3f5b8e6f2e3e9f6 ............................................................................................................................................................................................................................................................................................... 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 05:31:39,006 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:31:39,007 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:31:39,014 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:31:39,015 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:31:39,015 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:31:39,016 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:31:39,017 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:31:39,018 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:31:39,019 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:31:39,020 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:31:39,020 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:31:39,021 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:31:39,021 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:31:39,022 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:31:39,022 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:31:39,023 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:31:39,024 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:31:39,025 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:31:39,026 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:31:39,026 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:31:39,027 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:31:39,028 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:31:39,028 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:31:39,028 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:31:39,029 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:31:39,030 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:31:39,030 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:31:39,031 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:31:39,032 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:31:39,032 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:31:39,033 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:31:39,033 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:31:39,033 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:31:39,034 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:31:39,034 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:31:39,035 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d9a8257d-929c-4f15-b1b7-de88d0f449de/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 05:31:39,042 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:31:39,043 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:31:39,043 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:31:39,044 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:31:39,044 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:31:39,044 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:31:39,044 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:31:39,044 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 05:31:39,045 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:31:39,045 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:31:39,045 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:31:39,045 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:31:39,045 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:31:39,045 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 05:31:39,045 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:31:39,045 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:31:39,046 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:31:39,046 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:31:39,046 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:31:39,046 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:31:39,046 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:31:39,046 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:31:39,047 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:31:39,047 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:31:39,047 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:31:39,049 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:31:39,049 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:31:39,049 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_d9a8257d-929c-4f15-b1b7-de88d0f449de/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 -> f7e1c1540b70904598fe5e82d3f5b8e6f2e3e9f6 [2018-11-10 05:31:39,071 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:31:39,079 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:31:39,082 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:31:39,083 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:31:39,083 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:31:39,083 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d9a8257d-929c-4f15-b1b7-de88d0f449de/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1_true-termination_true-no-overflow.c [2018-11-10 05:31:39,119 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d9a8257d-929c-4f15-b1b7-de88d0f449de/bin-2019/ukojak/data/04497b5db/89866ca6e76c4237abf4659e94342d89/FLAGe955e4dfb [2018-11-10 05:31:39,509 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:31:39,509 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d9a8257d-929c-4f15-b1b7-de88d0f449de/sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1_true-termination_true-no-overflow.c [2018-11-10 05:31:39,513 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d9a8257d-929c-4f15-b1b7-de88d0f449de/bin-2019/ukojak/data/04497b5db/89866ca6e76c4237abf4659e94342d89/FLAGe955e4dfb [2018-11-10 05:31:39,521 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d9a8257d-929c-4f15-b1b7-de88d0f449de/bin-2019/ukojak/data/04497b5db/89866ca6e76c4237abf4659e94342d89 [2018-11-10 05:31:39,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:31:39,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:31:39,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:31:39,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:31:39,528 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:31:39,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:31:39" (1/1) ... [2018-11-10 05:31:39,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb7591c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:31:39, skipping insertion in model container [2018-11-10 05:31:39,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:31:39" (1/1) ... [2018-11-10 05:31:39,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:31:39,546 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:31:39,635 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:31:39,637 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:31:39,646 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:31:39,653 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:31:39,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:31:39 WrapperNode [2018-11-10 05:31:39,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:31:39,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:31:39,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:31:39,654 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:31:39,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:31:39" (1/1) ... [2018-11-10 05:31:39,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:31:39" (1/1) ... [2018-11-10 05:31:39,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:31:39,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:31:39,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:31:39,674 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:31:39,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:31:39" (1/1) ... [2018-11-10 05:31:39,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:31:39" (1/1) ... [2018-11-10 05:31:39,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:31:39" (1/1) ... [2018-11-10 05:31:39,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:31:39" (1/1) ... [2018-11-10 05:31:39,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:31:39" (1/1) ... [2018-11-10 05:31:39,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:31:39" (1/1) ... [2018-11-10 05:31:39,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:31:39" (1/1) ... [2018-11-10 05:31:39,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:31:39,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:31:39,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:31:39,686 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:31:39,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:31:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9a8257d-929c-4f15-b1b7-de88d0f449de/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 05:31:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:31:39,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:31:39,894 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:31:39,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:31:39 BoogieIcfgContainer [2018-11-10 05:31:39,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:31:39,895 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:31:39,895 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:31:39,904 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:31:39,904 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:31:39" (1/1) ... [2018-11-10 05:31:39,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:31:39,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:31:39,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-10 05:31:39,948 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-10 05:31:39,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 05:31:39,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:31:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:31:40,033 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 05:31:40,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:31:40,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-11-10 05:31:40,040 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-11-10 05:31:40,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 05:31:40,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:31:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:31:40,073 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 05:31:40,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:31:40,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-11-10 05:31:40,126 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-11-10 05:31:40,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 05:31:40,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:31:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:31:40,151 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 05:31:40,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:31:40,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2018-11-10 05:31:40,256 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-11-10 05:31:40,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 05:31:40,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:31:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:31:40,276 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 05:31:40,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:31:40,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2018-11-10 05:31:40,413 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2018-11-10 05:31:40,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 05:31:40,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:31:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:31:40,433 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 05:31:40,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:31:40,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2018-11-10 05:31:40,548 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2018-11-10 05:31:40,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 05:31:40,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:31:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:31:40,564 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 05:31:40,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:31:40,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 45 transitions. [2018-11-10 05:31:40,696 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2018-11-10 05:31:40,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 05:31:40,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:31:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:31:40,730 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 05:31:40,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:31:40,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2018-11-10 05:31:40,994 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2018-11-10 05:31:40,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 05:31:40,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:31:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:31:41,006 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 05:31:41,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:31:41,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 40 states and 59 transitions. [2018-11-10 05:31:41,187 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 59 transitions. [2018-11-10 05:31:41,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 05:31:41,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:31:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:31:41,203 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 05:31:41,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:31:41,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 41 states and 59 transitions. [2018-11-10 05:31:41,264 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2018-11-10 05:31:41,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 05:31:41,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:31:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:31:41,277 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 05:31:41,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:31:41,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2018-11-10 05:31:41,371 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-11-10 05:31:41,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 05:31:41,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:31:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:31:41,386 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 05:31:41,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:31:41,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2018-11-10 05:31:41,454 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2018-11-10 05:31:41,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:31:41,454 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2018-11-10 05:31:41,460 INFO L778 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-10 05:31:41,494 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 05:31:41,500 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:31:41,501 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:31:41,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:31:41 ImpRootNode [2018-11-10 05:31:41,501 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:31:41,501 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:31:41,501 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:31:41,501 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:31:41,502 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:31:39" (3/4) ... [2018-11-10 05:31:41,504 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:31:41,511 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-10 05:31:41,511 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 05:31:41,511 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 05:31:41,538 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d9a8257d-929c-4f15-b1b7-de88d0f449de/bin-2019/ukojak/witness.graphml [2018-11-10 05:31:41,538 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:31:41,539 INFO L168 Benchmark]: Toolchain (without parser) took 2015.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -135.2 MB). Peak memory consumption was 5.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:31:41,540 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:31:41,540 INFO L168 Benchmark]: CACSL2BoogieTranslator took 129.60 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 05:31:41,541 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.58 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:31:41,541 INFO L168 Benchmark]: Boogie Preprocessor took 11.34 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:31:41,542 INFO L168 Benchmark]: RCFGBuilder took 209.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:31:41,542 INFO L168 Benchmark]: CodeCheck took 1605.62 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: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:31:41,542 INFO L168 Benchmark]: Witness Printer took 37.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:31:41,545 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, 1.5s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14336 SDtfs, 12642 SDslu, 10048 SDs, 0 SdLazy, 33522 SolverSat, 6128 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 864 GetRequests, 746 SyntacticMatches, 44 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2278 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 2518 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 30/33 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: 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: 22]: 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: (1 <= y && x <= 1073741823) && 0 <= x - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 129.60 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.58 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.34 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 209.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * CodeCheck took 1605.62 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: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * Witness Printer took 37.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...