./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/McCarthy91_Recursion_true-no-overflow_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_94024e5a-0098-4fb2-8ad0-3737c71ad38e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_94024e5a-0098-4fb2-8ad0-3737c71ad38e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_94024e5a-0098-4fb2-8ad0-3737c71ad38e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_94024e5a-0098-4fb2-8ad0-3737c71ad38e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/McCarthy91_Recursion_true-no-overflow_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_94024e5a-0098-4fb2-8ad0-3737c71ad38e/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_94024e5a-0098-4fb2-8ad0-3737c71ad38e/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 871be16186d4378aec884efd2352a47ca4eb57bc ............................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:13:01,285 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:13:01,287 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:13:01,294 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:13:01,294 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:13:01,295 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:13:01,296 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:13:01,297 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:13:01,298 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:13:01,298 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:13:01,299 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:13:01,299 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:13:01,300 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:13:01,300 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:13:01,301 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:13:01,302 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:13:01,302 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:13:01,303 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:13:01,305 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:13:01,306 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:13:01,307 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:13:01,307 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:13:01,309 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:13:01,309 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:13:01,309 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:13:01,310 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:13:01,311 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:13:01,311 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:13:01,312 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:13:01,312 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:13:01,313 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:13:01,313 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:13:01,313 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:13:01,313 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:13:01,314 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:13:01,314 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:13:01,315 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_94024e5a-0098-4fb2-8ad0-3737c71ad38e/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-23 15:13:01,324 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:13:01,324 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:13:01,325 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:13:01,325 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 15:13:01,325 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:13:01,325 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:13:01,325 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:13:01,325 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 15:13:01,326 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:13:01,326 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:13:01,326 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:13:01,326 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:13:01,326 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:13:01,326 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 15:13:01,326 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:13:01,327 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:13:01,327 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:13:01,327 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 15:13:01,327 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 15:13:01,327 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:13:01,327 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:13:01,327 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 15:13:01,328 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:13:01,328 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:13:01,328 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:13:01,328 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 15:13:01,328 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:13:01,328 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:13:01,329 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_94024e5a-0098-4fb2-8ad0-3737c71ad38e/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 -> 871be16186d4378aec884efd2352a47ca4eb57bc [2018-11-23 15:13:01,351 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:13:01,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:13:01,362 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:13:01,363 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:13:01,363 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:13:01,363 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_94024e5a-0098-4fb2-8ad0-3737c71ad38e/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted/McCarthy91_Recursion_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-23 15:13:01,396 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94024e5a-0098-4fb2-8ad0-3737c71ad38e/bin-2019/ukojak/data/d52b156e4/17d6facf54b64313bc57d9da5d7bd729/FLAG6128f4a0d [2018-11-23 15:13:01,780 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:13:01,780 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_94024e5a-0098-4fb2-8ad0-3737c71ad38e/sv-benchmarks/c/termination-crafted/McCarthy91_Recursion_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-23 15:13:01,784 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94024e5a-0098-4fb2-8ad0-3737c71ad38e/bin-2019/ukojak/data/d52b156e4/17d6facf54b64313bc57d9da5d7bd729/FLAG6128f4a0d [2018-11-23 15:13:01,795 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_94024e5a-0098-4fb2-8ad0-3737c71ad38e/bin-2019/ukojak/data/d52b156e4/17d6facf54b64313bc57d9da5d7bd729 [2018-11-23 15:13:01,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:13:01,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:13:01,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:13:01,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:13:01,801 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:13:01,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:13:01" (1/1) ... [2018-11-23 15:13:01,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12858536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:01, skipping insertion in model container [2018-11-23 15:13:01,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:13:01" (1/1) ... [2018-11-23 15:13:01,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:13:01,818 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:13:01,913 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:13:01,915 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:13:01,923 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:13:01,930 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:13:01,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:01 WrapperNode [2018-11-23 15:13:01,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:13:01,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:13:01,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:13:01,931 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:13:01,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:01" (1/1) ... [2018-11-23 15:13:01,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:01" (1/1) ... [2018-11-23 15:13:01,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:13:01,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:13:01,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:13:01,956 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:13:01,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:01" (1/1) ... [2018-11-23 15:13:01,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:01" (1/1) ... [2018-11-23 15:13:01,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:01" (1/1) ... [2018-11-23 15:13:01,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:01" (1/1) ... [2018-11-23 15:13:01,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:01" (1/1) ... [2018-11-23 15:13:01,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:01" (1/1) ... [2018-11-23 15:13:01,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:01" (1/1) ... [2018-11-23 15:13:01,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:13:01,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:13:01,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:13:01,969 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:13:01,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94024e5a-0098-4fb2-8ad0-3737c71ad38e/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 15:13:02,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:13:02,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:13:02,045 INFO L130 BoogieDeclarations]: Found specification of procedure mc91 [2018-11-23 15:13:02,045 INFO L138 BoogieDeclarations]: Found implementation of procedure mc91 [2018-11-23 15:13:02,155 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:13:02,155 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 15:13:02,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:13:02 BoogieIcfgContainer [2018-11-23 15:13:02,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:13:02,156 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 15:13:02,156 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 15:13:02,166 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 15:13:02,166 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:13:02" (1/1) ... [2018-11-23 15:13:02,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:13:02,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:13:02,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2018-11-23 15:13:02,211 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2018-11-23 15:13:02,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 15:13:02,213 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:13:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:13:02,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:13:02,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:13:02,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 27 transitions. [2018-11-23 15:13:02,408 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2018-11-23 15:13:02,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 15:13:02,408 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:13:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:13:02,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:13:02,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:13:02,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 26 transitions. [2018-11-23 15:13:02,488 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-11-23 15:13:02,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 15:13:02,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:13:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:13:02,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:13:02,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:13:02,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 25 transitions. [2018-11-23 15:13:02,562 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-11-23 15:13:02,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 15:13:02,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:13:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:13:02,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:13:02,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:13:02,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 31 transitions. [2018-11-23 15:13:02,805 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2018-11-23 15:13:02,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 15:13:02,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:13:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:13:02,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:13:02,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:13:02,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 30 transitions. [2018-11-23 15:13:02,909 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2018-11-23 15:13:02,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 15:13:02,910 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:13:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:13:02,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:13:02,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:13:02,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 29 transitions. [2018-11-23 15:13:02,985 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2018-11-23 15:13:02,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 15:13:02,986 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:13:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:13:03,011 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:13:03,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:13:03,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 24 transitions. [2018-11-23 15:13:03,034 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-11-23 15:13:03,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 15:13:03,035 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:13:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:13:03,060 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:13:03,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:13:03,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 18 transitions. [2018-11-23 15:13:03,125 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-11-23 15:13:03,126 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:13:03,126 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-11-23 15:13:03,132 INFO L775 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-23 15:13:03,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:13:03 ImpRootNode [2018-11-23 15:13:03,153 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 15:13:03,154 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:13:03,154 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:13:03,154 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:13:03,155 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:13:02" (3/4) ... [2018-11-23 15:13:03,158 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:13:03,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mc91 [2018-11-23 15:13:03,167 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 15:13:03,167 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 15:13:03,168 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 15:13:03,196 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_94024e5a-0098-4fb2-8ad0-3737c71ad38e/bin-2019/ukojak/witness.graphml [2018-11-23 15:13:03,196 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:13:03,197 INFO L168 Benchmark]: Toolchain (without parser) took 1399.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 959.2 MB in the beginning and 980.3 MB in the end (delta: -21.0 MB). Peak memory consumption was 111.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:13:03,198 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:13:03,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 132.25 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:13:03,198 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.78 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:13:03,198 INFO L168 Benchmark]: Boogie Preprocessor took 12.83 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:13:03,199 INFO L168 Benchmark]: RCFGBuilder took 186.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -172.6 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 15:13:03,199 INFO L168 Benchmark]: CodeCheck took 997.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.0 MB in the end (delta: 135.4 MB). Peak memory consumption was 135.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:13:03,200 INFO L168 Benchmark]: Witness Printer took 42.58 ms. Allocated memory is still 1.2 GB. Free memory was 983.0 MB in the beginning and 980.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:13:03,202 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 22 locations, 4 error locations. SAFE Result, 0.9s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 652 SDtfs, 728 SDslu, 0 SDs, 0 SdLazy, 4582 SolverSat, 1550 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 597 GetRequests, 543 SyntacticMatches, 16 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 501 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 1840 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 21/21 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: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: 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 * 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 132.25 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 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 24.78 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.83 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 186.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -172.6 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 997.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.0 MB in the end (delta: 135.4 MB). Peak memory consumption was 135.4 MB. Max. memory is 11.5 GB. * Witness Printer took 42.58 ms. Allocated memory is still 1.2 GB. Free memory was 983.0 MB in the beginning and 980.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...