./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b_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_0ce6591a-8458-4062-be79-51b438dc8f1c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0ce6591a-8458-4062-be79-51b438dc8f1c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0ce6591a-8458-4062-be79-51b438dc8f1c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0ce6591a-8458-4062-be79-51b438dc8f1c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0ce6591a-8458-4062-be79-51b438dc8f1c/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0ce6591a-8458-4062-be79-51b438dc8f1c/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 41d35d9d9785c70c81ceac96efa22b5a4097e6f4 ......................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 17:22:09,488 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 17:22:09,489 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 17:22:09,495 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 17:22:09,495 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 17:22:09,495 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 17:22:09,496 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 17:22:09,497 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 17:22:09,498 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 17:22:09,498 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 17:22:09,498 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 17:22:09,499 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 17:22:09,499 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 17:22:09,499 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 17:22:09,500 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 17:22:09,500 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 17:22:09,501 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 17:22:09,502 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 17:22:09,503 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 17:22:09,503 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 17:22:09,504 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 17:22:09,504 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 17:22:09,505 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 17:22:09,505 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 17:22:09,506 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 17:22:09,506 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 17:22:09,506 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 17:22:09,507 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 17:22:09,507 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 17:22:09,508 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 17:22:09,508 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 17:22:09,508 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 17:22:09,508 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 17:22:09,508 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 17:22:09,509 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 17:22:09,509 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 17:22:09,509 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0ce6591a-8458-4062-be79-51b438dc8f1c/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-01 17:22:09,517 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 17:22:09,517 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 17:22:09,517 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 17:22:09,517 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 17:22:09,518 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 17:22:09,518 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 17:22:09,518 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 17:22:09,518 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 17:22:09,518 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 17:22:09,518 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 17:22:09,518 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 17:22:09,518 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 17:22:09,519 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 17:22:09,519 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-01 17:22:09,519 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 17:22:09,519 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 17:22:09,519 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 17:22:09,519 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 17:22:09,519 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 17:22:09,519 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 17:22:09,519 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 17:22:09,519 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 17:22:09,519 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 17:22:09,520 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 17:22:09,520 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 17:22:09,520 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 17:22:09,520 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 17:22:09,520 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 17:22:09,520 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_0ce6591a-8458-4062-be79-51b438dc8f1c/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 -> 41d35d9d9785c70c81ceac96efa22b5a4097e6f4 [2018-12-01 17:22:09,538 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 17:22:09,548 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 17:22:09,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 17:22:09,552 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 17:22:09,552 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 17:22:09,552 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0ce6591a-8458-4062-be79-51b438dc8f1c/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b_true-termination_true-no-overflow.c [2018-12-01 17:22:09,589 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0ce6591a-8458-4062-be79-51b438dc8f1c/bin-2019/ukojak/data/cbfda26b3/c0241cdff9574d97818d25113f57fbc1/FLAG8f79b2def [2018-12-01 17:22:10,023 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 17:22:10,024 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0ce6591a-8458-4062-be79-51b438dc8f1c/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b_true-termination_true-no-overflow.c [2018-12-01 17:22:10,027 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0ce6591a-8458-4062-be79-51b438dc8f1c/bin-2019/ukojak/data/cbfda26b3/c0241cdff9574d97818d25113f57fbc1/FLAG8f79b2def [2018-12-01 17:22:10,035 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0ce6591a-8458-4062-be79-51b438dc8f1c/bin-2019/ukojak/data/cbfda26b3/c0241cdff9574d97818d25113f57fbc1 [2018-12-01 17:22:10,037 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 17:22:10,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 17:22:10,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 17:22:10,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 17:22:10,040 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 17:22:10,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:22:10" (1/1) ... [2018-12-01 17:22:10,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd2551a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:10, skipping insertion in model container [2018-12-01 17:22:10,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:22:10" (1/1) ... [2018-12-01 17:22:10,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 17:22:10,055 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 17:22:10,142 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:22:10,144 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 17:22:10,154 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:22:10,162 INFO L195 MainTranslator]: Completed translation [2018-12-01 17:22:10,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:10 WrapperNode [2018-12-01 17:22:10,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 17:22:10,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 17:22:10,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 17:22:10,163 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 17:22:10,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:10" (1/1) ... [2018-12-01 17:22:10,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:10" (1/1) ... [2018-12-01 17:22:10,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 17:22:10,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 17:22:10,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 17:22:10,183 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 17:22:10,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:10" (1/1) ... [2018-12-01 17:22:10,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:10" (1/1) ... [2018-12-01 17:22:10,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:10" (1/1) ... [2018-12-01 17:22:10,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:10" (1/1) ... [2018-12-01 17:22:10,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:10" (1/1) ... [2018-12-01 17:22:10,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:10" (1/1) ... [2018-12-01 17:22:10,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:10" (1/1) ... [2018-12-01 17:22:10,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 17:22:10,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 17:22:10,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 17:22:10,231 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 17:22:10,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ce6591a-8458-4062-be79-51b438dc8f1c/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 [2018-12-01 17:22:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 17:22:10,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 17:22:10,375 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 17:22:10,376 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-01 17:22:10,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:22:10 BoogieIcfgContainer [2018-12-01 17:22:10,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 17:22:10,376 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 17:22:10,376 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 17:22:10,383 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 17:22:10,384 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:22:10" (1/1) ... [2018-12-01 17:22:10,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:22:10,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:10,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2018-12-01 17:22:10,414 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2018-12-01 17:22:10,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-01 17:22:10,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:10,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:22:10,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:10,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2018-12-01 17:22:10,529 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2018-12-01 17:22:10,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 17:22:10,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:10,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:22:10,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:10,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2018-12-01 17:22:10,603 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2018-12-01 17:22:10,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 17:22:10,605 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:22:10,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:10,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2018-12-01 17:22:10,728 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2018-12-01 17:22:10,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 17:22:10,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:10,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:22:10,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:10,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2018-12-01 17:22:10,831 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2018-12-01 17:22:10,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 17:22:10,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:10,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:22:10,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:10,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2018-12-01 17:22:10,991 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2018-12-01 17:22:10,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 17:22:10,991 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:11,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:22:11,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:11,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2018-12-01 17:22:11,195 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2018-12-01 17:22:11,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 17:22:11,195 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:11,216 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:22:11,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:11,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 68 transitions. [2018-12-01 17:22:11,264 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2018-12-01 17:22:11,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 17:22:11,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:11,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 17:22:11,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:11,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2018-12-01 17:22:11,457 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2018-12-01 17:22:11,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 17:22:11,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:11,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 17:22:11,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:11,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 76 transitions. [2018-12-01 17:22:11,588 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2018-12-01 17:22:11,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 17:22:11,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:11,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 17:22:11,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:11,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2018-12-01 17:22:11,719 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2018-12-01 17:22:11,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 17:22:11,720 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:11,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:22:11,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:11,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2018-12-01 17:22:11,823 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2018-12-01 17:22:11,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 17:22:11,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:11,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:22:11,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:11,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 43 states and 76 transitions. [2018-12-01 17:22:11,897 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 76 transitions. [2018-12-01 17:22:11,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 17:22:11,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:11,904 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:22:12,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:12,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-12-01 17:22:12,013 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-12-01 17:22:12,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 17:22:12,014 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2018-12-01 17:22:12,020 INFO L779 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2018-12-01 17:22:12,054 INFO L583 CodeCheckObserver]: Invariant with dag size 8 [2018-12-01 17:22:12,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:22:12 ImpRootNode [2018-12-01 17:22:12,060 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 17:22:12,060 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 17:22:12,060 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 17:22:12,060 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 17:22:12,060 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:22:10" (3/4) ... [2018-12-01 17:22:12,062 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 17:22:12,067 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-01 17:22:12,068 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-01 17:22:12,068 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 17:22:12,093 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0ce6591a-8458-4062-be79-51b438dc8f1c/bin-2019/ukojak/witness.graphml [2018-12-01 17:22:12,093 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 17:22:12,093 INFO L168 Benchmark]: Toolchain (without parser) took 2056.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.0 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -159.9 MB). Peak memory consumption was 56.1 MB. Max. memory is 11.5 GB. [2018-12-01 17:22:12,094 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-12-01 17:22:12,094 INFO L168 Benchmark]: CACSL2BoogieTranslator took 124.21 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 17:22:12,095 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.58 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:22:12,095 INFO L168 Benchmark]: Boogie Preprocessor took 47.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-12-01 17:22:12,095 INFO L168 Benchmark]: RCFGBuilder took 145.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2018-12-01 17:22:12,095 INFO L168 Benchmark]: CodeCheck took 1683.36 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 78.9 MB. Max. memory is 11.5 GB. [2018-12-01 17:22:12,095 INFO L168 Benchmark]: Witness Printer took 33.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:22:12,097 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, 20 locations, 6 error locations. SAFE Result, 1.6s OverallTime, 14 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 45056 SDtfs, 64664 SDslu, 103464 SDs, 0 SdLazy, 174888 SolverSat, 33000 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1059 GetRequests, 926 SyntacticMatches, 35 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4618 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 1559 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 20/20 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: 27]: 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: 22]: 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: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (x <= 2147483647 && z <= 2147483647) && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 124.21 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 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 20.58 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 145.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. * CodeCheck took 1683.36 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 78.9 MB. Max. memory is 11.5 GB. * Witness Printer took 33.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...