./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion_true-no-overflow_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3b5c4490-a17b-4d1c-8b2e-6d55ba395a2c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3b5c4490-a17b-4d1c-8b2e-6d55ba395a2c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3b5c4490-a17b-4d1c-8b2e-6d55ba395a2c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3b5c4490-a17b-4d1c-8b2e-6d55ba395a2c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion_true-no-overflow_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3b5c4490-a17b-4d1c-8b2e-6d55ba395a2c/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3b5c4490-a17b-4d1c-8b2e-6d55ba395a2c/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 2ecc737c5af1d503eeeb325d3c287e7ad2d57d21 ....................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:22:14,714 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:22:14,715 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:22:14,720 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:22:14,721 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:22:14,721 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:22:14,722 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:22:14,723 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:22:14,724 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:22:14,725 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:22:14,725 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:22:14,726 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:22:14,726 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:22:14,727 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:22:14,728 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:22:14,728 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:22:14,729 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:22:14,729 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:22:14,731 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:22:14,731 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:22:14,732 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:22:14,733 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:22:14,735 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:22:14,735 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:22:14,735 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:22:14,735 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:22:14,736 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:22:14,736 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:22:14,737 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:22:14,737 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:22:14,738 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:22:14,738 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:22:14,738 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:22:14,738 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:22:14,739 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:22:14,739 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:22:14,740 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3b5c4490-a17b-4d1c-8b2e-6d55ba395a2c/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 12:22:14,747 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:22:14,747 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:22:14,748 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:22:14,748 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:22:14,748 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:22:14,748 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:22:14,749 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:22:14,749 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:22:14,749 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:22:14,749 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:22:14,749 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:22:14,749 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:22:14,749 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:22:14,750 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 12:22:14,750 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:22:14,750 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:22:14,750 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:22:14,750 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:22:14,750 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:22:14,750 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:22:14,750 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:22:14,751 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:22:14,751 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:22:14,751 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:22:14,751 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:22:14,751 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 12:22:14,751 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:22:14,751 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:22:14,752 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_3b5c4490-a17b-4d1c-8b2e-6d55ba395a2c/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 -> 2ecc737c5af1d503eeeb325d3c287e7ad2d57d21 [2018-11-18 12:22:14,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:22:14,783 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:22:14,786 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:22:14,787 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:22:14,787 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:22:14,788 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3b5c4490-a17b-4d1c-8b2e-6d55ba395a2c/bin-2019/ukojak/../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion_true-no-overflow_true-termination.c.i [2018-11-18 12:22:14,832 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3b5c4490-a17b-4d1c-8b2e-6d55ba395a2c/bin-2019/ukojak/data/a24ec8869/40fc70993874497a93e9dbd6d222bd76/FLAG5f18333e0 [2018-11-18 12:22:15,275 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:22:15,276 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3b5c4490-a17b-4d1c-8b2e-6d55ba395a2c/sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion_true-no-overflow_true-termination.c.i [2018-11-18 12:22:15,281 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3b5c4490-a17b-4d1c-8b2e-6d55ba395a2c/bin-2019/ukojak/data/a24ec8869/40fc70993874497a93e9dbd6d222bd76/FLAG5f18333e0 [2018-11-18 12:22:15,290 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3b5c4490-a17b-4d1c-8b2e-6d55ba395a2c/bin-2019/ukojak/data/a24ec8869/40fc70993874497a93e9dbd6d222bd76 [2018-11-18 12:22:15,292 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:22:15,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:22:15,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:22:15,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:22:15,297 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:22:15,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:22:15" (1/1) ... [2018-11-18 12:22:15,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d5705f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:15, skipping insertion in model container [2018-11-18 12:22:15,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:22:15" (1/1) ... [2018-11-18 12:22:15,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:22:15,330 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:22:15,502 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:22:15,505 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:22:15,526 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:22:15,554 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:22:15,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:15 WrapperNode [2018-11-18 12:22:15,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:22:15,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:22:15,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:22:15,555 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:22:15,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:15" (1/1) ... [2018-11-18 12:22:15,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:15" (1/1) ... [2018-11-18 12:22:15,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:22:15,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:22:15,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:22:15,622 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:22:15,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:15" (1/1) ... [2018-11-18 12:22:15,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:15" (1/1) ... [2018-11-18 12:22:15,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:15" (1/1) ... [2018-11-18 12:22:15,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:15" (1/1) ... [2018-11-18 12:22:15,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:15" (1/1) ... [2018-11-18 12:22:15,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:15" (1/1) ... [2018-11-18 12:22:15,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:15" (1/1) ... [2018-11-18 12:22:15,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:22:15,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:22:15,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:22:15,636 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:22:15,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3b5c4490-a17b-4d1c-8b2e-6d55ba395a2c/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 [2018-11-18 12:22:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:22:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:22:15,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:22:15,828 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:22:15,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:22:15 BoogieIcfgContainer [2018-11-18 12:22:15,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:22:15,829 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:22:15,829 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:22:15,837 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:22:15,837 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:22:15" (1/1) ... [2018-11-18 12:22:15,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:22:15,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:22:15,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2018-11-18 12:22:15,873 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2018-11-18 12:22:15,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-11-18 12:22:15,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:22:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:22:15,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:22:15,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:22:15,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2018-11-18 12:22:15,972 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2018-11-18 12:22:15,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 12:22:15,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:22:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:22:15,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:22:16,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:22:16,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2018-11-18 12:22:16,043 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2018-11-18 12:22:16,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-18 12:22:16,044 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:22:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:22:16,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:22:16,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:22:16,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2018-11-18 12:22:16,070 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2018-11-18 12:22:16,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 12:22:16,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:22:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:22:16,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:22:16,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:22:16,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2018-11-18 12:22:16,110 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2018-11-18 12:22:16,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:22:16,111 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-11-18 12:22:16,118 INFO L775 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-18 12:22:16,138 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-18 12:22:16,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:22:16 ImpRootNode [2018-11-18 12:22:16,144 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:22:16,144 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:22:16,144 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:22:16,144 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:22:16,145 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:22:15" (3/4) ... [2018-11-18 12:22:16,147 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:22:16,154 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 12:22:16,154 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:22:16,154 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:22:16,178 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3b5c4490-a17b-4d1c-8b2e-6d55ba395a2c/bin-2019/ukojak/witness.graphml [2018-11-18 12:22:16,178 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:22:16,178 INFO L168 Benchmark]: Toolchain (without parser) took 886.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -124.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:22:16,179 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:22:16,180 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.60 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 937.7 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:22:16,180 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 937.7 MB in the beginning and 1.1 GB in the end (delta: -203.2 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:22:16,180 INFO L168 Benchmark]: Boogie Preprocessor took 13.69 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. [2018-11-18 12:22:16,181 INFO L168 Benchmark]: RCFGBuilder took 192.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:22:16,181 INFO L168 Benchmark]: CodeCheck took 315.52 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:22:16,181 INFO L168 Benchmark]: Witness Printer took 33.67 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. [2018-11-18 12:22:16,184 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 13 locations, 4 error locations. SAFE Result, 0.2s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 54 SDslu, 0 SDs, 0 SdLazy, 164 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 75 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 90 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: 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: 333]: Loop Invariant Derived loop invariant: 32767 <= a * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 261.60 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 937.7 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 937.7 MB in the beginning and 1.1 GB in the end (delta: -203.2 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.69 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 192.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * CodeCheck took 315.52 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Witness Printer took 33.67 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. RESULT: Ultimate proved your program to be correct! Received shutdown request...