./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Parallel_true-no-overflow_true-termination_true-valid-memsafety.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_dff84ca4-5e0d-4a3a-9863-1dfbd4b380dc/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dff84ca4-5e0d-4a3a-9863-1dfbd4b380dc/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dff84ca4-5e0d-4a3a-9863-1dfbd4b380dc/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dff84ca4-5e0d-4a3a-9863-1dfbd4b380dc/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Parallel_true-no-overflow_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dff84ca4-5e0d-4a3a-9863-1dfbd4b380dc/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dff84ca4-5e0d-4a3a-9863-1dfbd4b380dc/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 fa16f28cdab01c0d49bf2bd46e148912a30ce280 ................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 23:45:56,400 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 23:45:56,401 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 23:45:56,409 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 23:45:56,409 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 23:45:56,409 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 23:45:56,410 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 23:45:56,411 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 23:45:56,412 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 23:45:56,413 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 23:45:56,414 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 23:45:56,414 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 23:45:56,414 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 23:45:56,415 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 23:45:56,416 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 23:45:56,416 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 23:45:56,417 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 23:45:56,418 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 23:45:56,419 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 23:45:56,420 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 23:45:56,421 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 23:45:56,422 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 23:45:56,423 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 23:45:56,424 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 23:45:56,424 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 23:45:56,424 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 23:45:56,425 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 23:45:56,426 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 23:45:56,426 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 23:45:56,427 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 23:45:56,427 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 23:45:56,427 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 23:45:56,428 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 23:45:56,428 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 23:45:56,428 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 23:45:56,429 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 23:45:56,429 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dff84ca4-5e0d-4a3a-9863-1dfbd4b380dc/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-08 23:45:56,439 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 23:45:56,439 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 23:45:56,439 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 23:45:56,439 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 23:45:56,440 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 23:45:56,440 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 23:45:56,440 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 23:45:56,440 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 23:45:56,440 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 23:45:56,440 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 23:45:56,440 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 23:45:56,440 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 23:45:56,441 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 23:45:56,441 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-08 23:45:56,441 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 23:45:56,441 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 23:45:56,441 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 23:45:56,441 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 23:45:56,441 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 23:45:56,441 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 23:45:56,441 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 23:45:56,441 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 23:45:56,441 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 23:45:56,442 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 23:45:56,442 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 23:45:56,442 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 23:45:56,442 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 23:45:56,442 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 23:45:56,442 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_dff84ca4-5e0d-4a3a-9863-1dfbd4b380dc/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 -> fa16f28cdab01c0d49bf2bd46e148912a30ce280 [2018-12-08 23:45:56,459 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 23:45:56,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 23:45:56,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 23:45:56,468 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 23:45:56,469 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 23:45:56,469 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dff84ca4-5e0d-4a3a-9863-1dfbd4b380dc/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted/Parallel_true-no-overflow_true-termination_true-valid-memsafety.c [2018-12-08 23:45:56,503 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dff84ca4-5e0d-4a3a-9863-1dfbd4b380dc/bin-2019/ukojak/data/4275b015a/47c0ae77d6c941338053040429f7efb4/FLAGae3d6255e [2018-12-08 23:45:56,825 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 23:45:56,825 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dff84ca4-5e0d-4a3a-9863-1dfbd4b380dc/sv-benchmarks/c/termination-crafted/Parallel_true-no-overflow_true-termination_true-valid-memsafety.c [2018-12-08 23:45:56,829 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dff84ca4-5e0d-4a3a-9863-1dfbd4b380dc/bin-2019/ukojak/data/4275b015a/47c0ae77d6c941338053040429f7efb4/FLAGae3d6255e [2018-12-08 23:45:57,232 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dff84ca4-5e0d-4a3a-9863-1dfbd4b380dc/bin-2019/ukojak/data/4275b015a/47c0ae77d6c941338053040429f7efb4 [2018-12-08 23:45:57,234 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 23:45:57,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 23:45:57,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 23:45:57,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 23:45:57,238 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 23:45:57,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:45:57" (1/1) ... [2018-12-08 23:45:57,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f84b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:45:57, skipping insertion in model container [2018-12-08 23:45:57,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:45:57" (1/1) ... [2018-12-08 23:45:57,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 23:45:57,253 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 23:45:57,341 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:45:57,343 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 23:45:57,351 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:45:57,359 INFO L195 MainTranslator]: Completed translation [2018-12-08 23:45:57,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:45:57 WrapperNode [2018-12-08 23:45:57,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 23:45:57,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 23:45:57,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 23:45:57,360 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 23:45:57,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:45:57" (1/1) ... [2018-12-08 23:45:57,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:45:57" (1/1) ... [2018-12-08 23:45:57,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 23:45:57,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 23:45:57,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 23:45:57,381 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 23:45:57,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:45:57" (1/1) ... [2018-12-08 23:45:57,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:45:57" (1/1) ... [2018-12-08 23:45:57,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:45:57" (1/1) ... [2018-12-08 23:45:57,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:45:57" (1/1) ... [2018-12-08 23:45:57,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:45:57" (1/1) ... [2018-12-08 23:45:57,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:45:57" (1/1) ... [2018-12-08 23:45:57,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:45:57" (1/1) ... [2018-12-08 23:45:57,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 23:45:57,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 23:45:57,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 23:45:57,395 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 23:45:57,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:45:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dff84ca4-5e0d-4a3a-9863-1dfbd4b380dc/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 [2018-12-08 23:45:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 23:45:57,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 23:45:57,552 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 23:45:57,552 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-08 23:45:57,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:45:57 BoogieIcfgContainer [2018-12-08 23:45:57,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 23:45:57,553 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 23:45:57,553 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 23:45:57,560 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 23:45:57,560 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:45:57" (1/1) ... [2018-12-08 23:45:57,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:45:57,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:45:57,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-12-08 23:45:57,589 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-12-08 23:45:57,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 23:45:57,591 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:45:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:57,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:57,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:45:57,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-12-08 23:45:57,700 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-12-08 23:45:57,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 23:45:57,700 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:45:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:57,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:57,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:45:57,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-12-08 23:45:57,778 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-12-08 23:45:57,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 23:45:57,780 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:45:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:57,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:57,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:45:57,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2018-12-08 23:45:57,886 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2018-12-08 23:45:57,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 23:45:57,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:45:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:57,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:57,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:45:57,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2018-12-08 23:45:57,941 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2018-12-08 23:45:57,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 23:45:57,941 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:45:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:57,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:57,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:45:57,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2018-12-08 23:45:57,995 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2018-12-08 23:45:57,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 23:45:57,996 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:45:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:58,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:58,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:45:58,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2018-12-08 23:45:58,103 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2018-12-08 23:45:58,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 23:45:58,103 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:45:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:58,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 23:45:58,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:45:58,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2018-12-08 23:45:58,210 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2018-12-08 23:45:58,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 23:45:58,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:45:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:45:58,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:45:58,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:45:58,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-12-08 23:45:58,289 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-12-08 23:45:58,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 23:45:58,290 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-12-08 23:45:58,295 INFO L779 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-12-08 23:45:58,316 INFO L583 CodeCheckObserver]: Invariant with dag size 6 [2018-12-08 23:45:58,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 11:45:58 ImpRootNode [2018-12-08 23:45:58,323 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 23:45:58,323 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 23:45:58,323 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 23:45:58,323 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 23:45:58,323 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:45:57" (3/4) ... [2018-12-08 23:45:58,325 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 23:45:58,333 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 23:45:58,333 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 23:45:58,334 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 23:45:58,359 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dff84ca4-5e0d-4a3a-9863-1dfbd4b380dc/bin-2019/ukojak/witness.graphml [2018-12-08 23:45:58,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 23:45:58,360 INFO L168 Benchmark]: Toolchain (without parser) took 1125.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 956.0 MB in the beginning and 937.8 MB in the end (delta: 18.2 MB). Peak memory consumption was 128.3 MB. Max. memory is 11.5 GB. [2018-12-08 23:45:58,361 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:45:58,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 124.23 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 23:45:58,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.14 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:45:58,362 INFO L168 Benchmark]: Boogie Preprocessor took 13.11 ms. Allocated memory is still 1.0 GB. Free memory was 945.3 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 23:45:58,362 INFO L168 Benchmark]: RCFGBuilder took 157.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-08 23:45:58,362 INFO L168 Benchmark]: CodeCheck took 769.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 937.8 MB in the end (delta: 157.6 MB). Peak memory consumption was 157.6 MB. Max. memory is 11.5 GB. [2018-12-08 23:45:58,363 INFO L168 Benchmark]: Witness Printer took 36.58 ms. Allocated memory is still 1.1 GB. Free memory is still 937.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:45:58,364 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, 15 locations, 4 error locations. SAFE Result, 0.7s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 512 SDtfs, 1426 SDslu, 512 SDs, 0 SdLazy, 5684 SolverSat, 1442 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 448 GetRequests, 388 SyntacticMatches, 14 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 875 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 612 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 10/10 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: 26]: 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: 26]: 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 4 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: x <= 2147483647 && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 124.23 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 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 21.14 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.11 ms. Allocated memory is still 1.0 GB. Free memory was 945.3 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 157.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * CodeCheck took 769.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 937.8 MB in the end (delta: 157.6 MB). Peak memory consumption was 157.6 MB. Max. memory is 11.5 GB. * Witness Printer took 36.58 ms. Allocated memory is still 1.1 GB. Free memory is still 937.8 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...