./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3_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_6a902994-11bf-4695-844b-95041fee6b54/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6a902994-11bf-4695-844b-95041fee6b54/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6a902994-11bf-4695-844b-95041fee6b54/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6a902994-11bf-4695-844b-95041fee6b54/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6a902994-11bf-4695-844b-95041fee6b54/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6a902994-11bf-4695-844b-95041fee6b54/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 835dc6725bef5f7d15ae0e4368f1a97f9d2b8c09 ................................................................................................................................................................................................................................................................................................................................ 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 11:05:22,227 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:05:22,229 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:05:22,236 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:05:22,236 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:05:22,237 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:05:22,237 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:05:22,238 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:05:22,239 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:05:22,240 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:05:22,241 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:05:22,241 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:05:22,241 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:05:22,242 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:05:22,243 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:05:22,243 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:05:22,244 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:05:22,245 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:05:22,246 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:05:22,247 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:05:22,248 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:05:22,249 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:05:22,250 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:05:22,251 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:05:22,251 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:05:22,251 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:05:22,252 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:05:22,253 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:05:22,254 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:05:22,255 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:05:22,255 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:05:22,255 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:05:22,256 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:05:22,256 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:05:22,256 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:05:22,257 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:05:22,257 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6a902994-11bf-4695-844b-95041fee6b54/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 11:05:22,264 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:05:22,264 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:05:22,265 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:05:22,265 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:05:22,266 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:05:22,266 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:05:22,266 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:05:22,266 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 11:05:22,266 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:05:22,266 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:05:22,266 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:05:22,267 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:05:22,267 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:05:22,267 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 11:05:22,267 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:05:22,267 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:05:22,267 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 11:05:22,267 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 11:05:22,268 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:05:22,268 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:05:22,268 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 11:05:22,268 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:05:22,268 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:05:22,268 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:05:22,271 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 11:05:22,271 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:05:22,271 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:05:22,271 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_6a902994-11bf-4695-844b-95041fee6b54/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 -> 835dc6725bef5f7d15ae0e4368f1a97f9d2b8c09 [2018-11-10 11:05:22,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:05:22,303 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:05:22,306 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:05:22,307 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:05:22,307 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:05:22,307 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6a902994-11bf-4695-844b-95041fee6b54/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c [2018-11-10 11:05:22,353 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6a902994-11bf-4695-844b-95041fee6b54/bin-2019/ukojak/data/3a3bf0da9/bf0f00908e614ee7855d904739f15d41/FLAGeb6f5307d [2018-11-10 11:05:22,673 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:05:22,674 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6a902994-11bf-4695-844b-95041fee6b54/sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c [2018-11-10 11:05:22,678 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6a902994-11bf-4695-844b-95041fee6b54/bin-2019/ukojak/data/3a3bf0da9/bf0f00908e614ee7855d904739f15d41/FLAGeb6f5307d [2018-11-10 11:05:22,688 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6a902994-11bf-4695-844b-95041fee6b54/bin-2019/ukojak/data/3a3bf0da9/bf0f00908e614ee7855d904739f15d41 [2018-11-10 11:05:22,690 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:05:22,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:05:22,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:05:22,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:05:22,695 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:05:22,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:05:22" (1/1) ... [2018-11-10 11:05:22,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@769b41f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:22, skipping insertion in model container [2018-11-10 11:05:22,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:05:22" (1/1) ... [2018-11-10 11:05:22,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:05:22,714 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:05:22,811 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:05:22,813 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:05:22,824 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:05:22,832 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:05:22,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:22 WrapperNode [2018-11-10 11:05:22,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:05:22,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:05:22,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:05:22,833 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:05:22,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:22" (1/1) ... [2018-11-10 11:05:22,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:22" (1/1) ... [2018-11-10 11:05:22,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:05:22,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:05:22,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:05:22,853 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:05:22,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:22" (1/1) ... [2018-11-10 11:05:22,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:22" (1/1) ... [2018-11-10 11:05:22,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:22" (1/1) ... [2018-11-10 11:05:22,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:22" (1/1) ... [2018-11-10 11:05:22,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:22" (1/1) ... [2018-11-10 11:05:22,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:22" (1/1) ... [2018-11-10 11:05:22,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:22" (1/1) ... [2018-11-10 11:05:22,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:05:22,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:05:22,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:05:22,865 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:05:22,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6a902994-11bf-4695-844b-95041fee6b54/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 11:05:22,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:05:22,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:05:23,051 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:05:23,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:05:23 BoogieIcfgContainer [2018-11-10 11:05:23,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:05:23,052 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 11:05:23,052 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 11:05:23,061 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 11:05:23,061 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:05:23" (1/1) ... [2018-11-10 11:05:23,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:05:23,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:05:23,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2018-11-10 11:05:23,100 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2018-11-10 11:05:23,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 11:05:23,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:05:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:23,202 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 11:05:23,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:05:23,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2018-11-10 11:05:23,247 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2018-11-10 11:05:23,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 11:05:23,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:05:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:23,273 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 11:05:23,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:05:23,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2018-11-10 11:05:23,317 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2018-11-10 11:05:23,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 11:05:23,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:05:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:23,335 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 11:05:23,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:05:23,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2018-11-10 11:05:23,454 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2018-11-10 11:05:23,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 11:05:23,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:05:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:23,466 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 11:05:23,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:05:23,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2018-11-10 11:05:23,559 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2018-11-10 11:05:23,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 11:05:23,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:05:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:23,574 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 11:05:23,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:05:23,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2018-11-10 11:05:23,631 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2018-11-10 11:05:23,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 11:05:23,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:05:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:23,652 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 11:05:23,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:05:23,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2018-11-10 11:05:23,793 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2018-11-10 11:05:23,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 11:05:23,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:05:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:23,823 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 11:05:23,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:05:23,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2018-11-10 11:05:23,989 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2018-11-10 11:05:23,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 11:05:23,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:05:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:24,000 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 11:05:24,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:05:24,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 47 states and 73 transitions. [2018-11-10 11:05:24,072 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 73 transitions. [2018-11-10 11:05:24,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 11:05:24,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:05:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:24,104 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 11:05:24,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:05:24,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2018-11-10 11:05:24,151 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2018-11-10 11:05:24,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 11:05:24,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:05:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:24,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:05:24,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:05:24,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 82 transitions. [2018-11-10 11:05:24,455 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2018-11-10 11:05:24,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 11:05:24,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:05:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:24,468 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 11:05:24,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:05:24,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2018-11-10 11:05:24,582 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2018-11-10 11:05:24,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 11:05:24,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:05:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:24,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 11:05:24,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:05:24,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 56 states and 85 transitions. [2018-11-10 11:05:24,696 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2018-11-10 11:05:24,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 11:05:24,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:05:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:24,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 11:05:24,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:05:24,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 58 states and 87 transitions. [2018-11-10 11:05:24,801 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 87 transitions. [2018-11-10 11:05:24,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 11:05:24,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:05:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:24,850 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 11:05:24,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:05:24,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2018-11-10 11:05:24,886 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2018-11-10 11:05:24,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 11:05:24,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:05:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:05:24,894 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 11:05:24,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:05:24,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2018-11-10 11:05:24,911 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2018-11-10 11:05:24,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 11:05:24,911 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2018-11-10 11:05:24,918 INFO L778 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2018-11-10 11:05:24,953 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:05:24,955 INFO L582 CodeCheckObserver]: Invariant with dag size 10 [2018-11-10 11:05:24,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 11:05:24 ImpRootNode [2018-11-10 11:05:24,959 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 11:05:24,960 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:05:24,960 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:05:24,960 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:05:24,960 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:05:23" (3/4) ... [2018-11-10 11:05:24,962 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 11:05:24,970 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 11:05:24,970 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 11:05:24,970 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 11:05:25,003 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6a902994-11bf-4695-844b-95041fee6b54/bin-2019/ukojak/witness.graphml [2018-11-10 11:05:25,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:05:25,004 INFO L168 Benchmark]: Toolchain (without parser) took 2313.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 960.3 MB in the beginning and 1.0 GB in the end (delta: -43.6 MB). Peak memory consumption was 76.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:05:25,005 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:05:25,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 140.46 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:05:25,006 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.91 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:05:25,006 INFO L168 Benchmark]: Boogie Preprocessor took 11.39 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:05:25,006 INFO L168 Benchmark]: RCFGBuilder took 187.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -160.9 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-10 11:05:25,007 INFO L168 Benchmark]: CodeCheck took 1907.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.4 MB). Peak memory consumption was 100.4 MB. Max. memory is 11.5 GB. [2018-11-10 11:05:25,007 INFO L168 Benchmark]: Witness Printer took 43.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:05:25,009 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, 27 locations, 8 error locations. SAFE Result, 1.8s OverallTime, 16 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 188416 SDtfs, 275036 SDslu, 274976 SDs, 0 SdLazy, 668490 SolverSat, 143106 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1360 GetRequests, 1215 SyntacticMatches, 65 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2957 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 121 ConstructedInterpolants, 0 QuantifiedInterpolants, 3110 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 14 PerfectInterpolantSequences, 26/27 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: 28]: 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: 30]: 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 - PositiveResult [Line: 28]: 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - 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 0.15 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 140.46 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 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 19.91 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.39 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 187.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -160.9 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * CodeCheck took 1907.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.4 MB). Peak memory consumption was 100.4 MB. Max. memory is 11.5 GB. * Witness Printer took 43.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...