./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-numeric/LeUserDefRec_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_b2f0ab4b-c8b2-4914-b117-22fef6f5cc8d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b2f0ab4b-c8b2-4914-b117-22fef6f5cc8d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b2f0ab4b-c8b2-4914-b117-22fef6f5cc8d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b2f0ab4b-c8b2-4914-b117-22fef6f5cc8d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/LeUserDefRec_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b2f0ab4b-c8b2-4914-b117-22fef6f5cc8d/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b2f0ab4b-c8b2-4914-b117-22fef6f5cc8d/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 87d0ba70ff123101875b88252c232be93381362a ........................................................................................................................................................................................................................................................ 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 10:57:03,707 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:57:03,709 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:57:03,717 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:57:03,717 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:57:03,718 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:57:03,718 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:57:03,719 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:57:03,721 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:57:03,721 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:57:03,722 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:57:03,722 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:57:03,723 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:57:03,723 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:57:03,724 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:57:03,724 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:57:03,725 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:57:03,726 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:57:03,727 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:57:03,728 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:57:03,729 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:57:03,730 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:57:03,731 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:57:03,732 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:57:03,732 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:57:03,732 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:57:03,733 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:57:03,734 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:57:03,734 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:57:03,735 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:57:03,735 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:57:03,736 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:57:03,736 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:57:03,736 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:57:03,737 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:57:03,737 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:57:03,737 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b2f0ab4b-c8b2-4914-b117-22fef6f5cc8d/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 10:57:03,746 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:57:03,746 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:57:03,747 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:57:03,747 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:57:03,747 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:57:03,747 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:57:03,748 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:57:03,748 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 10:57:03,748 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:57:03,748 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:57:03,748 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:57:03,748 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:57:03,748 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:57:03,749 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 10:57:03,749 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:57:03,749 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:57:03,749 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 10:57:03,749 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 10:57:03,749 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:57:03,750 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:57:03,750 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:57:03,750 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:57:03,750 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:57:03,750 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:57:03,750 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 10:57:03,750 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:57:03,751 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:57:03,751 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_b2f0ab4b-c8b2-4914-b117-22fef6f5cc8d/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 -> 87d0ba70ff123101875b88252c232be93381362a [2018-11-10 10:57:03,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:57:03,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:57:03,786 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:57:03,787 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:57:03,788 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:57:03,788 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b2f0ab4b-c8b2-4914-b117-22fef6f5cc8d/bin-2019/ukojak/../../sv-benchmarks/c/termination-numeric/LeUserDefRec_true-termination_true-no-overflow.c [2018-11-10 10:57:03,832 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2f0ab4b-c8b2-4914-b117-22fef6f5cc8d/bin-2019/ukojak/data/2a5db35e5/a955b243988a4133954094064cd6ab49/FLAG390b18f99 [2018-11-10 10:57:04,211 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:57:04,212 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b2f0ab4b-c8b2-4914-b117-22fef6f5cc8d/sv-benchmarks/c/termination-numeric/LeUserDefRec_true-termination_true-no-overflow.c [2018-11-10 10:57:04,216 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2f0ab4b-c8b2-4914-b117-22fef6f5cc8d/bin-2019/ukojak/data/2a5db35e5/a955b243988a4133954094064cd6ab49/FLAG390b18f99 [2018-11-10 10:57:04,224 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b2f0ab4b-c8b2-4914-b117-22fef6f5cc8d/bin-2019/ukojak/data/2a5db35e5/a955b243988a4133954094064cd6ab49 [2018-11-10 10:57:04,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:57:04,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:57:04,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:57:04,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:57:04,230 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:57:04,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:57:04" (1/1) ... [2018-11-10 10:57:04,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21842996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:04, skipping insertion in model container [2018-11-10 10:57:04,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:57:04" (1/1) ... [2018-11-10 10:57:04,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:57:04,251 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:57:04,342 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:57:04,344 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:57:04,353 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:57:04,361 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:57:04,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:04 WrapperNode [2018-11-10 10:57:04,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:57:04,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:57:04,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:57:04,362 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:57:04,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:04" (1/1) ... [2018-11-10 10:57:04,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:04" (1/1) ... [2018-11-10 10:57:04,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:57:04,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:57:04,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:57:04,381 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:57:04,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:04" (1/1) ... [2018-11-10 10:57:04,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:04" (1/1) ... [2018-11-10 10:57:04,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:04" (1/1) ... [2018-11-10 10:57:04,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:04" (1/1) ... [2018-11-10 10:57:04,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:04" (1/1) ... [2018-11-10 10:57:04,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:04" (1/1) ... [2018-11-10 10:57:04,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:04" (1/1) ... [2018-11-10 10:57:04,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:57:04,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:57:04,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:57:04,391 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:57:04,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2f0ab4b-c8b2-4914-b117-22fef6f5cc8d/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 10:57:04,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:57:04,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:57:04,470 INFO L130 BoogieDeclarations]: Found specification of procedure le [2018-11-10 10:57:04,470 INFO L138 BoogieDeclarations]: Found implementation of procedure le [2018-11-10 10:57:04,586 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:57:04,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:57:04 BoogieIcfgContainer [2018-11-10 10:57:04,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:57:04,587 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 10:57:04,587 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 10:57:04,597 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 10:57:04,597 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:57:04" (1/1) ... [2018-11-10 10:57:04,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:57:04,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:57:04,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-11-10 10:57:04,644 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-11-10 10:57:04,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 10:57:04,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:57:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:57:04,799 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 10:57:04,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:57:04,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 29 transitions. [2018-11-10 10:57:04,886 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2018-11-10 10:57:04,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 10:57:04,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:57:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:57:04,927 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 10:57:04,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:57:04,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 28 transitions. [2018-11-10 10:57:04,978 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2018-11-10 10:57:04,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 10:57:04,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:57:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:57:05,044 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 10:57:05,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:57:05,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 36 transitions. [2018-11-10 10:57:05,457 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2018-11-10 10:57:05,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 10:57:05,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:57:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:57:05,486 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 10:57:05,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:57:05,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 40 transitions. [2018-11-10 10:57:05,674 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2018-11-10 10:57:05,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 10:57:05,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:57:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:57:05,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:57:05,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:57:05,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 44 transitions. [2018-11-10 10:57:05,932 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2018-11-10 10:57:05,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 10:57:05,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:57:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:57:05,962 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:57:06,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:57:06,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 20 transitions. [2018-11-10 10:57:06,090 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2018-11-10 10:57:06,090 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:57:06,090 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-11-10 10:57:06,096 INFO L778 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-10 10:57:06,122 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:57:06,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 10:57:06 ImpRootNode [2018-11-10 10:57:06,124 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 10:57:06,125 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:57:06,125 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:57:06,125 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:57:06,125 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:57:04" (3/4) ... [2018-11-10 10:57:06,128 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:57:06,132 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure le [2018-11-10 10:57:06,135 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 10:57:06,135 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-10 10:57:06,135 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 10:57:06,162 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b2f0ab4b-c8b2-4914-b117-22fef6f5cc8d/bin-2019/ukojak/witness.graphml [2018-11-10 10:57:06,162 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:57:06,163 INFO L168 Benchmark]: Toolchain (without parser) took 1936.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 960.8 MB in the beginning and 845.7 MB in the end (delta: 115.1 MB). Peak memory consumption was 278.6 MB. Max. memory is 11.5 GB. [2018-11-10 10:57:06,164 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:57:06,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 134.49 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:57:06,164 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.54 ms. Allocated memory is still 1.0 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:57:06,165 INFO L168 Benchmark]: Boogie Preprocessor took 9.53 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:57:06,165 INFO L168 Benchmark]: RCFGBuilder took 196.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -202.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 10:57:06,166 INFO L168 Benchmark]: CodeCheck took 1537.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 849.0 MB in the end (delta: 300.9 MB). Peak memory consumption was 300.9 MB. Max. memory is 11.5 GB. [2018-11-10 10:57:06,166 INFO L168 Benchmark]: Witness Printer took 37.98 ms. Allocated memory is still 1.2 GB. Free memory was 849.0 MB in the beginning and 845.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 10:57:06,168 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 2 procedures, 23 locations, 4 error locations. SAFE Result, 1.4s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 300 SDtfs, 512 SDslu, 64 SDs, 0 SdLazy, 1890 SolverSat, 438 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 511 GetRequests, 435 SyntacticMatches, 8 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1538 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 1300 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 8/8 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: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: 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: 21]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 134.49 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.54 ms. Allocated memory is still 1.0 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.53 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 196.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -202.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * CodeCheck took 1537.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 849.0 MB in the end (delta: 300.9 MB). Peak memory consumption was 300.9 MB. Max. memory is 11.5 GB. * Witness Printer took 37.98 ms. Allocated memory is still 1.2 GB. Free memory was 849.0 MB in the beginning and 845.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...