./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 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5f6f96e9-c7a0-4b57-bba6-c7dc1e94b90a/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5f6f96e9-c7a0-4b57-bba6-c7dc1e94b90a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5f6f96e9-c7a0-4b57-bba6-c7dc1e94b90a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5f6f96e9-c7a0-4b57-bba6-c7dc1e94b90a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5f6f96e9-c7a0-4b57-bba6-c7dc1e94b90a/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5f6f96e9-c7a0-4b57-bba6-c7dc1e94b90a/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 0.1.24-6b5699a [2019-11-26 02:38:27,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:38:27,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:38:27,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:38:27,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:38:27,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:38:27,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:38:27,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:38:27,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:38:27,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:38:27,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:38:27,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:38:27,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:38:27,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:38:27,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:38:27,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:38:27,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:38:27,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:38:27,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:38:27,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:38:27,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:38:27,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:38:27,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:38:27,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:38:27,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:38:27,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:38:27,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:38:27,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:38:27,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:38:27,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:38:27,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:38:27,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:38:27,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:38:27,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:38:27,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:38:27,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:38:27,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:38:27,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:38:27,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:38:27,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:38:27,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:38:27,754 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5f6f96e9-c7a0-4b57-bba6-c7dc1e94b90a/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-26 02:38:27,771 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:38:27,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:38:27,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:38:27,774 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:38:27,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:38:27,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:38:27,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:38:27,775 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:38:27,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:38:27,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:38:27,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:38:27,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:38:27,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:38:27,777 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 02:38:27,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:38:27,778 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:38:27,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:38:27,778 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:38:27,778 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:38:27,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:38:27,779 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:38:27,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:38:27,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:38:27,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:38:27,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:38:27,780 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:38:27,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:38:27,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:38:27,781 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_5f6f96e9-c7a0-4b57-bba6-c7dc1e94b90a/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 [2019-11-26 02:38:27,940 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:38:27,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:38:27,958 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:38:27,961 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:38:27,961 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:38:27,962 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5f6f96e9-c7a0-4b57-bba6-c7dc1e94b90a/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c [2019-11-26 02:38:28,013 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5f6f96e9-c7a0-4b57-bba6-c7dc1e94b90a/bin/ukojak/data/1b0457681/6b739b8013284b08ad5a5c00dbc0c336/FLAG9223edb90 [2019-11-26 02:38:28,438 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:38:28,438 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5f6f96e9-c7a0-4b57-bba6-c7dc1e94b90a/sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c [2019-11-26 02:38:28,447 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5f6f96e9-c7a0-4b57-bba6-c7dc1e94b90a/bin/ukojak/data/1b0457681/6b739b8013284b08ad5a5c00dbc0c336/FLAG9223edb90 [2019-11-26 02:38:28,461 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5f6f96e9-c7a0-4b57-bba6-c7dc1e94b90a/bin/ukojak/data/1b0457681/6b739b8013284b08ad5a5c00dbc0c336 [2019-11-26 02:38:28,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:38:28,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:38:28,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:38:28,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:38:28,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:38:28,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:38:28" (1/1) ... [2019-11-26 02:38:28,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38539bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:28, skipping insertion in model container [2019-11-26 02:38:28,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:38:28" (1/1) ... [2019-11-26 02:38:28,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:38:28,496 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:38:28,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:38:28,644 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:38:28,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:38:28,728 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:38:28,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:28 WrapperNode [2019-11-26 02:38:28,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:38:28,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:38:28,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:38:28,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:38:28,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:28" (1/1) ... [2019-11-26 02:38:28,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:28" (1/1) ... [2019-11-26 02:38:28,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:38:28,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:38:28,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:38:28,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:38:28,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:28" (1/1) ... [2019-11-26 02:38:28,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:28" (1/1) ... [2019-11-26 02:38:28,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:28" (1/1) ... [2019-11-26 02:38:28,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:28" (1/1) ... [2019-11-26 02:38:28,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:28" (1/1) ... [2019-11-26 02:38:28,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:28" (1/1) ... [2019-11-26 02:38:28,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:28" (1/1) ... [2019-11-26 02:38:28,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:38:28,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:38:28,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:38:28,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:38:28,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5f6f96e9-c7a0-4b57-bba6-c7dc1e94b90a/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 [2019-11-26 02:38:28,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:38:28,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:38:29,034 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:38:29,034 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-26 02:38:29,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:38:29 BoogieIcfgContainer [2019-11-26 02:38:29,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:38:29,036 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:38:29,036 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:38:29,052 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:38:29,052 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:38:29" (1/1) ... [2019-11-26 02:38:29,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:38:29,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:29,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2019-11-26 02:38:29,103 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2019-11-26 02:38:29,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:38:29,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:29,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:29,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:29,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2019-11-26 02:38:29,285 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2019-11-26 02:38:29,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:38:29,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:29,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:29,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:29,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2019-11-26 02:38:29,338 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2019-11-26 02:38:29,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:38:29,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:29,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:29,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:29,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2019-11-26 02:38:29,496 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2019-11-26 02:38:29,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:38:29,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:29,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:29,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:29,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2019-11-26 02:38:29,630 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2019-11-26 02:38:29,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:38:29,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:29,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:29,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:29,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2019-11-26 02:38:29,758 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2019-11-26 02:38:29,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:38:29,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:29,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:30,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:30,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2019-11-26 02:38:30,060 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2019-11-26 02:38:30,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:38:30,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:30,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:30,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:30,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2019-11-26 02:38:30,482 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2019-11-26 02:38:30,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:38:30,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:30,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:30,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:30,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2019-11-26 02:38:30,654 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2019-11-26 02:38:30,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:38:30,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:30,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:30,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:30,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2019-11-26 02:38:30,784 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2019-11-26 02:38:30,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:38:30,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:30,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:38:30,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:30,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2019-11-26 02:38:30,989 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2019-11-26 02:38:30,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:38:30,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:31,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:31,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:31,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 47 states and 75 transitions. [2019-11-26 02:38:31,301 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 75 transitions. [2019-11-26 02:38:31,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:38:31,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:31,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:31,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:31,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2019-11-26 02:38:31,420 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2019-11-26 02:38:31,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:38:31,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:31,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:31,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 47 states and 73 transitions. [2019-11-26 02:38:31,584 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 73 transitions. [2019-11-26 02:38:31,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:38:31,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:31,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:31,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:31,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 47 states and 71 transitions. [2019-11-26 02:38:31,689 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 71 transitions. [2019-11-26 02:38:31,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:38:31,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:38:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:31,702 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:38:31,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:38:31,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2019-11-26 02:38:31,906 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2019-11-26 02:38:31,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:38:31,907 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2019-11-26 02:38:31,915 INFO L765 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2019-11-26 02:38:31,975 INFO L569 CodeCheckObserver]: Invariant with dag size 10 [2019-11-26 02:38:31,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:38:31 ImpRootNode [2019-11-26 02:38:31,983 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:38:31,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:38:31,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:38:31,984 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:38:31,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:38:29" (3/4) ... [2019-11-26 02:38:31,988 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:38:31,995 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-26 02:38:31,996 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:38:31,996 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:38:32,043 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5f6f96e9-c7a0-4b57-bba6-c7dc1e94b90a/bin/ukojak/witness.graphml [2019-11-26 02:38:32,043 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:38:32,045 INFO L168 Benchmark]: Toolchain (without parser) took 3578.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 946.1 MB in the beginning and 1.0 GB in the end (delta: -79.3 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:38:32,051 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:38:32,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -189.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:38:32,053 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:38:32,053 INFO L168 Benchmark]: Boogie Preprocessor took 15.87 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:38:32,054 INFO L168 Benchmark]: RCFGBuilder took 262.06 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:38:32,054 INFO L168 Benchmark]: CodeCheck took 2947.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.1 MB). Peak memory consumption was 77.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:38:32,057 INFO L168 Benchmark]: Witness Printer took 59.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:38:32,060 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: 2.8s, 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, 2.6s 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, 0.3s 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 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -189.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.87 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 262.06 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * CodeCheck took 2947.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.1 MB). Peak memory consumption was 77.1 MB. Max. memory is 11.5 GB. * Witness Printer took 59.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...