./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_55153df9-5176-4d45-bb80-a2a7e8423f5b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55153df9-5176-4d45-bb80-a2a7e8423f5b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55153df9-5176-4d45-bb80-a2a7e8423f5b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55153df9-5176-4d45-bb80-a2a7e8423f5b/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_55153df9-5176-4d45-bb80-a2a7e8423f5b/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55153df9-5176-4d45-bb80-a2a7e8423f5b/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 0.1.23-635dfa2 [2018-12-09 17:27:49,462 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:27:49,464 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:27:49,473 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:27:49,473 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:27:49,473 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:27:49,474 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:27:49,475 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:27:49,477 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:27:49,477 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:27:49,478 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:27:49,478 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:27:49,479 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:27:49,479 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:27:49,480 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:27:49,480 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:27:49,481 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:27:49,481 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:27:49,483 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:27:49,484 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:27:49,485 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:27:49,485 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:27:49,487 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:27:49,487 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:27:49,487 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:27:49,488 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:27:49,488 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:27:49,489 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:27:49,489 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:27:49,490 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:27:49,490 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:27:49,491 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:27:49,491 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:27:49,491 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:27:49,492 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:27:49,492 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:27:49,492 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55153df9-5176-4d45-bb80-a2a7e8423f5b/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-09 17:27:49,503 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:27:49,503 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:27:49,504 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:27:49,504 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 17:27:49,504 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 17:27:49,504 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 17:27:49,505 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:27:49,505 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 17:27:49,505 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:27:49,505 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:27:49,505 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:27:49,505 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:27:49,505 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:27:49,506 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-09 17:27:49,506 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:27:49,506 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 17:27:49,506 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:27:49,506 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 17:27:49,506 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 17:27:49,507 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:27:49,507 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:27:49,507 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 17:27:49,507 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:27:49,507 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:27:49,507 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:27:49,507 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 17:27:49,508 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:27:49,508 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:27:49,508 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_55153df9-5176-4d45-bb80-a2a7e8423f5b/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 [2018-12-09 17:27:49,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:27:49,537 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:27:49,539 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:27:49,540 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:27:49,540 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:27:49,541 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55153df9-5176-4d45-bb80-a2a7e8423f5b/bin-2019/ukojak/../../sv-benchmarks/c/termination-numeric/LeUserDefRec_true-termination_true-no-overflow.c [2018-12-09 17:27:49,574 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55153df9-5176-4d45-bb80-a2a7e8423f5b/bin-2019/ukojak/data/dd13772c6/7c2996d7b2304bf69c01135ec0e49b07/FLAG1a88f339f [2018-12-09 17:27:50,003 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:27:50,003 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55153df9-5176-4d45-bb80-a2a7e8423f5b/sv-benchmarks/c/termination-numeric/LeUserDefRec_true-termination_true-no-overflow.c [2018-12-09 17:27:50,007 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55153df9-5176-4d45-bb80-a2a7e8423f5b/bin-2019/ukojak/data/dd13772c6/7c2996d7b2304bf69c01135ec0e49b07/FLAG1a88f339f [2018-12-09 17:27:50,015 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55153df9-5176-4d45-bb80-a2a7e8423f5b/bin-2019/ukojak/data/dd13772c6/7c2996d7b2304bf69c01135ec0e49b07 [2018-12-09 17:27:50,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:27:50,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:27:50,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:27:50,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:27:50,021 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:27:50,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:27:50" (1/1) ... [2018-12-09 17:27:50,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ff7dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:50, skipping insertion in model container [2018-12-09 17:27:50,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:27:50" (1/1) ... [2018-12-09 17:27:50,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:27:50,036 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:27:50,121 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:27:50,124 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:27:50,133 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:27:50,140 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:27:50,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:50 WrapperNode [2018-12-09 17:27:50,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:27:50,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:27:50,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:27:50,141 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:27:50,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:50" (1/1) ... [2018-12-09 17:27:50,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:50" (1/1) ... [2018-12-09 17:27:50,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:27:50,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:27:50,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:27:50,160 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:27:50,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:50" (1/1) ... [2018-12-09 17:27:50,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:50" (1/1) ... [2018-12-09 17:27:50,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:50" (1/1) ... [2018-12-09 17:27:50,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:50" (1/1) ... [2018-12-09 17:27:50,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:50" (1/1) ... [2018-12-09 17:27:50,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:50" (1/1) ... [2018-12-09 17:27:50,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:50" (1/1) ... [2018-12-09 17:27:50,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:27:50,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:27:50,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:27:50,201 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:27:50,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:27:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55153df9-5176-4d45-bb80-a2a7e8423f5b/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 [2018-12-09 17:27:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure le [2018-12-09 17:27:50,234 INFO L138 BoogieDeclarations]: Found implementation of procedure le [2018-12-09 17:27:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:27:50,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:27:50,320 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:27:50,321 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-09 17:27:50,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:27:50 BoogieIcfgContainer [2018-12-09 17:27:50,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:27:50,321 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 17:27:50,321 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 17:27:50,327 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 17:27:50,327 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:27:50" (1/1) ... [2018-12-09 17:27:50,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:27:50,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:50,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-12-09 17:27:50,355 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-12-09 17:27:50,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 17:27:50,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:50,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:27:50,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:50,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 29 transitions. [2018-12-09 17:27:50,506 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2018-12-09 17:27:50,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 17:27:50,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:27:50,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:50,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 28 transitions. [2018-12-09 17:27:50,574 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2018-12-09 17:27:50,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 17:27:50,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:50,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:27:50,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:50,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 36 transitions. [2018-12-09 17:27:50,964 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2018-12-09 17:27:50,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 17:27:50,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:50,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:27:51,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:51,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 40 transitions. [2018-12-09 17:27:51,199 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2018-12-09 17:27:51,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 17:27:51,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:51,228 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:27:51,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:51,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 44 transitions. [2018-12-09 17:27:51,441 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2018-12-09 17:27:51,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 17:27:51,441 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:51,479 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:27:51,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:51,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 20 transitions. [2018-12-09 17:27:51,590 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2018-12-09 17:27:51,590 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 17:27:51,591 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-12-09 17:27:51,596 INFO L779 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-12-09 17:27:51,626 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 17:27:51,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 05:27:51 ImpRootNode [2018-12-09 17:27:51,628 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 17:27:51,628 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:27:51,628 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:27:51,628 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:27:51,629 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:27:50" (3/4) ... [2018-12-09 17:27:51,631 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 17:27:51,634 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure le [2018-12-09 17:27:51,636 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 17:27:51,637 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 17:27:51,660 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_55153df9-5176-4d45-bb80-a2a7e8423f5b/bin-2019/ukojak/witness.graphml [2018-12-09 17:27:51,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:27:51,661 INFO L168 Benchmark]: Toolchain (without parser) took 1643.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -106.6 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-12-09 17:27:51,662 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:27:51,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 122.53 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2018-12-09 17:27:51,662 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.03 ms. Allocated memory is still 1.0 GB. Free memory is still 942.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:27:51,662 INFO L168 Benchmark]: Boogie Preprocessor took 40.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-09 17:27:51,663 INFO L168 Benchmark]: RCFGBuilder took 120.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-12-09 17:27:51,663 INFO L168 Benchmark]: CodeCheck took 1306.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. [2018-12-09 17:27:51,663 INFO L168 Benchmark]: Witness Printer took 32.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 17:27:51,665 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, 22 locations, 4 error locations. SAFE Result, 1.2s 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, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 511 GetRequests, 435 SyntacticMatches, 8 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1538 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s 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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 122.53 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.03 ms. Allocated memory is still 1.0 GB. Free memory is still 942.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 120.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * CodeCheck took 1306.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. * Witness Printer took 32.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 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...