./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_57cdb305-3ff6-4e51-a4fe-52b8cc82dd64/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_57cdb305-3ff6-4e51-a4fe-52b8cc82dd64/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_57cdb305-3ff6-4e51-a4fe-52b8cc82dd64/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_57cdb305-3ff6-4e51-a4fe-52b8cc82dd64/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_57cdb305-3ff6-4e51-a4fe-52b8cc82dd64/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_57cdb305-3ff6-4e51-a4fe-52b8cc82dd64/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 835dc6725bef5f7d15ae0e4368f1a97f9d2b8c09 ........................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 08:56:21,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 08:56:21,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 08:56:21,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 08:56:21,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 08:56:21,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 08:56:21,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 08:56:21,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 08:56:21,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 08:56:21,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 08:56:21,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 08:56:21,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 08:56:21,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 08:56:21,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 08:56:21,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 08:56:21,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 08:56:21,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 08:56:21,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 08:56:21,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 08:56:21,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 08:56:21,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 08:56:21,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 08:56:21,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 08:56:21,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 08:56:21,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 08:56:21,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 08:56:21,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 08:56:21,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 08:56:21,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 08:56:21,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 08:56:21,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 08:56:21,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 08:56:21,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 08:56:21,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 08:56:21,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 08:56:21,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 08:56:21,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 08:56:21,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 08:56:21,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 08:56:21,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 08:56:21,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 08:56:21,611 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_57cdb305-3ff6-4e51-a4fe-52b8cc82dd64/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-20 08:56:21,636 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 08:56:21,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 08:56:21,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 08:56:21,647 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 08:56:21,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 08:56:21,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 08:56:21,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 08:56:21,648 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 08:56:21,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 08:56:21,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 08:56:21,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 08:56:21,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 08:56:21,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 08:56:21,650 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 08:56:21,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 08:56:21,650 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 08:56:21,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 08:56:21,651 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 08:56:21,651 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 08:56:21,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 08:56:21,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 08:56:21,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 08:56:21,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 08:56:21,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 08:56:21,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 08:56:21,652 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 08:56:21,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 08:56:21,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 08:56:21,654 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_57cdb305-3ff6-4e51-a4fe-52b8cc82dd64/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 835dc6725bef5f7d15ae0e4368f1a97f9d2b8c09 [2019-11-20 08:56:21,814 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 08:56:21,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 08:56:21,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 08:56:21,828 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 08:56:21,828 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 08:56:21,828 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_57cdb305-3ff6-4e51-a4fe-52b8cc82dd64/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c [2019-11-20 08:56:21,877 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_57cdb305-3ff6-4e51-a4fe-52b8cc82dd64/bin/ukojak/data/0302bf580/4d9a892d4def422e825f7aca0d883a90/FLAG3d73526aa [2019-11-20 08:56:22,263 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 08:56:22,263 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_57cdb305-3ff6-4e51-a4fe-52b8cc82dd64/sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c [2019-11-20 08:56:22,269 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_57cdb305-3ff6-4e51-a4fe-52b8cc82dd64/bin/ukojak/data/0302bf580/4d9a892d4def422e825f7aca0d883a90/FLAG3d73526aa [2019-11-20 08:56:22,710 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_57cdb305-3ff6-4e51-a4fe-52b8cc82dd64/bin/ukojak/data/0302bf580/4d9a892d4def422e825f7aca0d883a90 [2019-11-20 08:56:22,713 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 08:56:22,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 08:56:22,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 08:56:22,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 08:56:22,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 08:56:22,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:56:22" (1/1) ... [2019-11-20 08:56:22,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182cd402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:22, skipping insertion in model container [2019-11-20 08:56:22,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:56:22" (1/1) ... [2019-11-20 08:56:22,727 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 08:56:22,743 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 08:56:22,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:56:22,885 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 08:56:22,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:56:22,985 INFO L192 MainTranslator]: Completed translation [2019-11-20 08:56:22,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:22 WrapperNode [2019-11-20 08:56:22,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 08:56:22,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 08:56:22,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 08:56:22,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 08:56:22,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:22" (1/1) ... [2019-11-20 08:56:22,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:22" (1/1) ... [2019-11-20 08:56:23,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 08:56:23,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 08:56:23,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 08:56:23,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 08:56:23,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:22" (1/1) ... [2019-11-20 08:56:23,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:22" (1/1) ... [2019-11-20 08:56:23,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:22" (1/1) ... [2019-11-20 08:56:23,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:22" (1/1) ... [2019-11-20 08:56:23,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:22" (1/1) ... [2019-11-20 08:56:23,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:22" (1/1) ... [2019-11-20 08:56:23,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:22" (1/1) ... [2019-11-20 08:56:23,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 08:56:23,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 08:56:23,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 08:56:23,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 08:56:23,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57cdb305-3ff6-4e51-a4fe-52b8cc82dd64/bin/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 [2019-11-20 08:56:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 08:56:23,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 08:56:23,342 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 08:56:23,343 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 08:56:23,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:56:23 BoogieIcfgContainer [2019-11-20 08:56:23,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 08:56:23,344 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 08:56:23,344 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 08:56:23,362 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 08:56:23,368 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:56:23" (1/1) ... [2019-11-20 08:56:23,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:56:23,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:23,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2019-11-20 08:56:23,436 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2019-11-20 08:56:23,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 08:56:23,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:23,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:23,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:23,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2019-11-20 08:56:23,722 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2019-11-20 08:56:23,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 08:56:23,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:23,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:23,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:23,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2019-11-20 08:56:23,772 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2019-11-20 08:56:23,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 08:56:23,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:23,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:23,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:23,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2019-11-20 08:56:23,931 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2019-11-20 08:56:23,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 08:56:23,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:23,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:24,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:24,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2019-11-20 08:56:24,051 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2019-11-20 08:56:24,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 08:56:24,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:24,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:24,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:24,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2019-11-20 08:56:24,216 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2019-11-20 08:56:24,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 08:56:24,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:24,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:24,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:24,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2019-11-20 08:56:24,545 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2019-11-20 08:56:24,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 08:56:24,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:24,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:24,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:24,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2019-11-20 08:56:24,914 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2019-11-20 08:56:24,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 08:56:24,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:24,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:25,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:25,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2019-11-20 08:56:25,102 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2019-11-20 08:56:25,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 08:56:25,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:25,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:25,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:25,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2019-11-20 08:56:25,238 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2019-11-20 08:56:25,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 08:56:25,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:25,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 08:56:25,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:25,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2019-11-20 08:56:25,437 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2019-11-20 08:56:25,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 08:56:25,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:25,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:25,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:25,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 47 states and 75 transitions. [2019-11-20 08:56:25,757 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 75 transitions. [2019-11-20 08:56:25,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 08:56:25,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:25,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:25,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:25,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2019-11-20 08:56:25,895 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2019-11-20 08:56:25,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 08:56:25,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:25,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:26,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:26,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 47 states and 73 transitions. [2019-11-20 08:56:26,074 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 73 transitions. [2019-11-20 08:56:26,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 08:56:26,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:26,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:56:26,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:26,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 47 states and 71 transitions. [2019-11-20 08:56:26,174 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 71 transitions. [2019-11-20 08:56:26,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 08:56:26,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:56:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:56:26,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 08:56:26,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:56:26,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2019-11-20 08:56:26,356 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2019-11-20 08:56:26,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 08:56:26,357 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2019-11-20 08:56:26,365 INFO L765 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2019-11-20 08:56:26,450 INFO L569 CodeCheckObserver]: Invariant with dag size 10 [2019-11-20 08:56:26,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 08:56:26 ImpRootNode [2019-11-20 08:56:26,461 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 08:56:26,462 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 08:56:26,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 08:56:26,466 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 08:56:26,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:56:23" (3/4) ... [2019-11-20 08:56:26,469 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 08:56:26,484 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 08:56:26,484 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 08:56:26,485 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 08:56:26,551 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_57cdb305-3ff6-4e51-a4fe-52b8cc82dd64/bin/ukojak/witness.graphml [2019-11-20 08:56:26,551 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 08:56:26,553 INFO L168 Benchmark]: Toolchain (without parser) took 3838.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 218.6 MB). Free memory was 947.5 MB in the beginning and 1.2 GB in the end (delta: -207.5 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2019-11-20 08:56:26,553 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:56:26,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 947.5 MB in the beginning and 1.2 GB in the end (delta: -212.7 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-11-20 08:56:26,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:56:26,555 INFO L168 Benchmark]: Boogie Preprocessor took 18.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:56:26,555 INFO L168 Benchmark]: RCFGBuilder took 309.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2019-11-20 08:56:26,556 INFO L168 Benchmark]: CodeCheck took 3116.92 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -26.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-11-20 08:56:26,556 INFO L168 Benchmark]: Witness Printer took 89.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-20 08:56:26,558 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 22 locations, 8 error locations. Result: SAFE, OverallTime: 2.9s, OverallIterations: 16, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 155648 SDtfs, 223220 SDslu, 204580 SDs, 0 SdLazy, 667492 SolverSat, 143132 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1186 GetRequests, 1063 SyntacticMatches, 41 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3175 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 1863 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 21/21 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (x <= 2147483647 && 0 <= x + 2147483648) && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 271.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 947.5 MB in the beginning and 1.2 GB in the end (delta: -212.7 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 309.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * CodeCheck took 3116.92 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -26.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Witness Printer took 89.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...