./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified_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_7b988e9d-cade-4771-92a1-d31144f72dde/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7b988e9d-cade-4771-92a1-d31144f72dde/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7b988e9d-cade-4771-92a1-d31144f72dde/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7b988e9d-cade-4771-92a1-d31144f72dde/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7b988e9d-cade-4771-92a1-d31144f72dde/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7b988e9d-cade-4771-92a1-d31144f72dde/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 9a661b9ed427d2e9174ef6e6cb1f5d6d0ab8d9e2 ............................................................................................................................................................................................................................................................................................ 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 17:50:09,394 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:50:09,395 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:50:09,401 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:50:09,401 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:50:09,402 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:50:09,403 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:50:09,404 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:50:09,405 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:50:09,405 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:50:09,406 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:50:09,406 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:50:09,406 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:50:09,407 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:50:09,408 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:50:09,408 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:50:09,409 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:50:09,409 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:50:09,410 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:50:09,411 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:50:09,412 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:50:09,412 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:50:09,414 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:50:09,414 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:50:09,414 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:50:09,414 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:50:09,415 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:50:09,415 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:50:09,416 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:50:09,416 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:50:09,416 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:50:09,417 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:50:09,417 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:50:09,417 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:50:09,418 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:50:09,418 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:50:09,418 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7b988e9d-cade-4771-92a1-d31144f72dde/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-08 17:50:09,426 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:50:09,426 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:50:09,427 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:50:09,427 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 17:50:09,427 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 17:50:09,427 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 17:50:09,427 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:50:09,428 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 17:50:09,428 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:50:09,428 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:50:09,428 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:50:09,428 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:50:09,428 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:50:09,428 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-08 17:50:09,428 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:50:09,428 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:50:09,428 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:50:09,429 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 17:50:09,429 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 17:50:09,429 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:50:09,429 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:50:09,429 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 17:50:09,429 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:50:09,429 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:50:09,429 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:50:09,430 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 17:50:09,430 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:50:09,430 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:50:09,430 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_7b988e9d-cade-4771-92a1-d31144f72dde/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 -> 9a661b9ed427d2e9174ef6e6cb1f5d6d0ab8d9e2 [2018-12-08 17:50:09,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:50:09,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:50:09,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:50:09,458 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:50:09,458 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:50:09,458 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7b988e9d-cade-4771-92a1-d31144f72dde/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified_true-termination_true-no-overflow.c [2018-12-08 17:50:09,497 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7b988e9d-cade-4771-92a1-d31144f72dde/bin-2019/ukojak/data/6f30c3840/eff80bf57d0647fdaf8b9a56c3666040/FLAG6804fac0c [2018-12-08 17:50:09,855 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:50:09,856 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7b988e9d-cade-4771-92a1-d31144f72dde/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified_true-termination_true-no-overflow.c [2018-12-08 17:50:09,859 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7b988e9d-cade-4771-92a1-d31144f72dde/bin-2019/ukojak/data/6f30c3840/eff80bf57d0647fdaf8b9a56c3666040/FLAG6804fac0c [2018-12-08 17:50:09,868 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7b988e9d-cade-4771-92a1-d31144f72dde/bin-2019/ukojak/data/6f30c3840/eff80bf57d0647fdaf8b9a56c3666040 [2018-12-08 17:50:09,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:50:09,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:50:09,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:50:09,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:50:09,874 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:50:09,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:50:09" (1/1) ... [2018-12-08 17:50:09,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@432dabb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:09, skipping insertion in model container [2018-12-08 17:50:09,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:50:09" (1/1) ... [2018-12-08 17:50:09,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:50:09,889 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:50:09,968 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:50:09,970 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:50:09,978 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:50:09,986 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:50:09,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:09 WrapperNode [2018-12-08 17:50:09,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:50:09,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:50:09,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:50:09,987 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:50:09,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:09" (1/1) ... [2018-12-08 17:50:09,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:09" (1/1) ... [2018-12-08 17:50:10,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:50:10,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:50:10,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:50:10,005 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:50:10,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:09" (1/1) ... [2018-12-08 17:50:10,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:09" (1/1) ... [2018-12-08 17:50:10,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:09" (1/1) ... [2018-12-08 17:50:10,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:09" (1/1) ... [2018-12-08 17:50:10,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:09" (1/1) ... [2018-12-08 17:50:10,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:09" (1/1) ... [2018-12-08 17:50:10,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:09" (1/1) ... [2018-12-08 17:50:10,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:50:10,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:50:10,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:50:10,015 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:50:10,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:50:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b988e9d-cade-4771-92a1-d31144f72dde/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 17:50:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:50:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:50:10,174 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:50:10,174 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-08 17:50:10,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:50:10 BoogieIcfgContainer [2018-12-08 17:50:10,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:50:10,175 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 17:50:10,175 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 17:50:10,181 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 17:50:10,182 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:50:10" (1/1) ... [2018-12-08 17:50:10,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:50:10,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:50:10,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-12-08 17:50:10,211 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-12-08 17:50:10,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 17:50:10,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:50:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:50:10,326 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 17:50:10,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:50:10,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-12-08 17:50:10,384 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-12-08 17:50:10,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 17:50:10,384 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:50:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:50:10,402 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 17:50:10,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:50:10,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2018-12-08 17:50:10,519 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2018-12-08 17:50:10,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 17:50:10,521 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:50:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:50:10,538 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 17:50:10,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:50:10,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2018-12-08 17:50:10,637 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2018-12-08 17:50:10,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 17:50:10,637 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:50:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:50:10,669 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 17:50:10,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:50:10,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-12-08 17:50:10,834 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-12-08 17:50:10,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 17:50:10,834 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:50:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:50:10,846 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 17:50:10,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:50:10,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2018-12-08 17:50:10,859 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2018-12-08 17:50:10,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 17:50:10,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:50:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:50:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:50:11,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:50:11,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2018-12-08 17:50:11,175 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2018-12-08 17:50:11,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 17:50:11,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:50:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:50:11,194 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 17:50:11,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:50:11,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2018-12-08 17:50:11,253 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2018-12-08 17:50:11,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 17:50:11,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:50:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:50:11,287 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 17:50:11,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:50:11,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-12-08 17:50:11,444 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-12-08 17:50:11,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 17:50:11,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:50:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:50:11,452 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 17:50:11,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:50:11,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-12-08 17:50:11,548 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-12-08 17:50:11,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 17:50:11,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:50:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:50:11,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 17:50:11,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:50:11,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2018-12-08 17:50:11,696 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2018-12-08 17:50:11,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 17:50:11,697 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:50:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:50:11,774 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:50:11,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:50:11,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-12-08 17:50:11,884 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-12-08 17:50:11,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 17:50:11,885 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2018-12-08 17:50:11,890 INFO L779 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-12-08 17:50:11,919 INFO L583 CodeCheckObserver]: Invariant with dag size 12 [2018-12-08 17:50:11,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 05:50:11 ImpRootNode [2018-12-08 17:50:11,925 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 17:50:11,925 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:50:11,925 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:50:11,926 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:50:11,926 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:50:10" (3/4) ... [2018-12-08 17:50:11,928 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 17:50:11,933 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 17:50:11,933 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 17:50:11,933 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 17:50:11,957 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7b988e9d-cade-4771-92a1-d31144f72dde/bin-2019/ukojak/witness.graphml [2018-12-08 17:50:11,957 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:50:11,958 INFO L168 Benchmark]: Toolchain (without parser) took 2087.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.0 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -136.1 MB). Peak memory consumption was 68.9 MB. Max. memory is 11.5 GB. [2018-12-08 17:50:11,958 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:50:11,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 114.96 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 17:50:11,959 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.65 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:50:11,959 INFO L168 Benchmark]: Boogie Preprocessor took 10.46 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:50:11,959 INFO L168 Benchmark]: RCFGBuilder took 159.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-08 17:50:11,960 INFO L168 Benchmark]: CodeCheck took 1750.54 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 79.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:50:11,960 INFO L168 Benchmark]: Witness Printer took 31.75 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-08 17:50:11,961 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, 1.6s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 12408 SDslu, 0 SDs, 0 SdLazy, 59552 SolverSat, 15696 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 702 GetRequests, 587 SyntacticMatches, 35 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2960 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 2099 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 19/24 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: 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: 17]: Loop Invariant Derived loop invariant: ((x <= 2147483647 && 0 <= x + 2147483648) && K <= 2147483647) && 0 <= K + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 114.96 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.65 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.46 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 159.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * CodeCheck took 1750.54 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 79.4 MB. Max. memory is 11.5 GB. * Witness Printer took 31.75 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...