./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fd62ab1d-21e9-4554-8c48-4f62f5762489/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fd62ab1d-21e9-4554-8c48-4f62f5762489/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fd62ab1d-21e9-4554-8c48-4f62f5762489/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fd62ab1d-21e9-4554-8c48-4f62f5762489/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fd62ab1d-21e9-4554-8c48-4f62f5762489/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fd62ab1d-21e9-4554-8c48-4f62f5762489/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 38eca36787df6152c26f941ea8052099b3b63076 ....................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:08:24,073 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:08:24,074 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:08:24,084 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:08:24,084 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:08:24,085 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:08:24,086 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:08:24,087 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:08:24,089 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:08:24,089 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:08:24,090 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:08:24,090 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:08:24,091 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:08:24,092 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:08:24,093 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:08:24,094 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:08:24,094 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:08:24,096 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:08:24,097 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:08:24,099 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:08:24,099 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:08:24,100 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:08:24,102 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:08:24,102 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:08:24,103 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:08:24,103 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:08:24,104 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:08:24,105 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:08:24,105 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:08:24,106 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:08:24,106 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:08:24,107 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:08:24,107 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:08:24,107 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:08:24,108 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:08:24,108 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:08:24,109 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fd62ab1d-21e9-4554-8c48-4f62f5762489/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 14:08:24,119 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:08:24,120 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:08:24,120 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:08:24,121 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 14:08:24,121 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:08:24,121 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:08:24,121 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:08:24,122 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:08:24,122 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:08:24,122 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:08:24,122 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:08:24,122 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:08:24,122 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:08:24,122 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:08:24,123 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:08:24,123 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:08:24,123 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:08:24,123 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:08:24,123 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 14:08:24,123 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 14:08:24,123 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:08:24,124 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:08:24,124 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 14:08:24,124 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:08:24,124 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:08:24,124 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:08:24,124 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 14:08:24,124 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:08:24,125 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:08:24,125 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_fd62ab1d-21e9-4554-8c48-4f62f5762489/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 ! call(__VERIFIER_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38eca36787df6152c26f941ea8052099b3b63076 [2018-11-18 14:08:24,149 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:08:24,160 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:08:24,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:08:24,164 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:08:24,164 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:08:24,165 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fd62ab1d-21e9-4554-8c48-4f62f5762489/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c [2018-11-18 14:08:24,211 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd62ab1d-21e9-4554-8c48-4f62f5762489/bin-2019/ukojak/data/76c5c23af/0e05c0dc900b479da3c7fd3350649e8f/FLAGa114620e8 [2018-11-18 14:08:24,624 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:08:24,625 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fd62ab1d-21e9-4554-8c48-4f62f5762489/sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c [2018-11-18 14:08:24,636 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd62ab1d-21e9-4554-8c48-4f62f5762489/bin-2019/ukojak/data/76c5c23af/0e05c0dc900b479da3c7fd3350649e8f/FLAGa114620e8 [2018-11-18 14:08:24,980 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fd62ab1d-21e9-4554-8c48-4f62f5762489/bin-2019/ukojak/data/76c5c23af/0e05c0dc900b479da3c7fd3350649e8f [2018-11-18 14:08:24,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:08:24,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:08:24,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:08:24,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:08:24,989 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:08:24,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:08:24" (1/1) ... [2018-11-18 14:08:24,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20aedbc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:24, skipping insertion in model container [2018-11-18 14:08:24,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:08:24" (1/1) ... [2018-11-18 14:08:25,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:08:25,042 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:08:25,268 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:08:25,271 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:08:25,340 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:08:25,351 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:08:25,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:25 WrapperNode [2018-11-18 14:08:25,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:08:25,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:08:25,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:08:25,352 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:08:25,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:25" (1/1) ... [2018-11-18 14:08:25,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:25" (1/1) ... [2018-11-18 14:08:25,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:08:25,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:08:25,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:08:25,471 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:08:25,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:25" (1/1) ... [2018-11-18 14:08:25,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:25" (1/1) ... [2018-11-18 14:08:25,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:25" (1/1) ... [2018-11-18 14:08:25,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:25" (1/1) ... [2018-11-18 14:08:25,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:25" (1/1) ... [2018-11-18 14:08:25,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:25" (1/1) ... [2018-11-18 14:08:25,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:25" (1/1) ... [2018-11-18 14:08:25,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:08:25,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:08:25,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:08:25,521 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:08:25,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:08:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd62ab1d-21e9-4554-8c48-4f62f5762489/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 [2018-11-18 14:08:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 14:08:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:08:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:09:03,826 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:09:03,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:09:03 BoogieIcfgContainer [2018-11-18 14:09:03,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:09:03,827 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 14:09:03,827 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 14:09:03,833 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 14:09:03,834 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:09:03" (1/1) ... [2018-11-18 14:09:03,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:09:03,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:09:03,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 14:09:03,861 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 14:09:03,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 14:09:03,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:09:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:09:04,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:09:04,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:09:04,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 14:09:04,090 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 14:09:04,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 14:09:04,091 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:09:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:09:04,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:09:04,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:09:04,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-11-18 14:09:04,764 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-11-18 14:09:04,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 14:09:04,766 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:09:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:09:05,245 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:09:05,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:09:05,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2018-11-18 14:09:05,766 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2018-11-18 14:09:05,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 14:09:05,767 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:09:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:09:06,166 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 14:09:06,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:09:06,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2018-11-18 14:09:06,788 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2018-11-18 14:09:06,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 14:09:06,789 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:09:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:09:06,975 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 14:09:07,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:09:07,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2018-11-18 14:09:07,334 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2018-11-18 14:09:07,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:09:07,335 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-11-18 14:09:07,341 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 14:09:07,458 INFO L579 CodeCheckObserver]: Invariant with dag size 22 [2018-11-18 14:09:07,465 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:09:07,466 INFO L579 CodeCheckObserver]: Invariant with dag size 20 [2018-11-18 14:09:07,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 02:09:07 ImpRootNode [2018-11-18 14:09:07,467 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 14:09:07,467 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:09:07,467 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:09:07,467 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:09:07,468 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:09:03" (3/4) ... [2018-11-18 14:09:07,471 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:09:07,485 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2018-11-18 14:09:07,486 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 14:09:07,487 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 14:09:07,488 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 14:09:07,567 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fd62ab1d-21e9-4554-8c48-4f62f5762489/bin-2019/ukojak/witness.graphml [2018-11-18 14:09:07,567 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:09:07,568 INFO L168 Benchmark]: Toolchain (without parser) took 42584.19 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 453.0 MB). Free memory was 956.5 MB in the beginning and 1.0 GB in the end (delta: -77.9 MB). Peak memory consumption was 375.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:09:07,569 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:09:07,569 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.53 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 918.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:09:07,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.8 MB). Free memory was 918.9 MB in the beginning and 1.2 GB in the end (delta: -247.0 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:09:07,570 INFO L168 Benchmark]: Boogie Preprocessor took 50.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:09:07,570 INFO L168 Benchmark]: RCFGBuilder took 38305.79 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 196.6 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -138.2 MB). Peak memory consumption was 506.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:09:07,570 INFO L168 Benchmark]: CodeCheck took 3639.77 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 77.6 MB). Free memory was 1.3 GB in the beginning and 1.1 GB in the end (delta: 242.9 MB). Peak memory consumption was 320.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:09:07,571 INFO L168 Benchmark]: Witness Printer took 100.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:09:07,572 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, 207 locations, 1 error locations. SAFE Result, 3.4s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 228 SDtfs, 578 SDslu, 528 SDs, 0 SdLazy, 1236 SolverSat, 174 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 717 GetRequests, 607 SyntacticMatches, 28 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3174 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 13075 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 10/71 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: 187]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((!(a10 == 3) || 0 <= a1 + 12) && a12 == 0) && a4 == 14) || ((!(a19 == 6) && a12 == 0) && a4 == 14) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (a12 == 0 && a4 == 14) && ((!(a10 == 3) || !(a19 == 6)) || 0 < a1 + 13) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 365.53 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 918.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 118.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.8 MB). Free memory was 918.9 MB in the beginning and 1.2 GB in the end (delta: -247.0 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 38305.79 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 196.6 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -138.2 MB). Peak memory consumption was 506.0 MB. Max. memory is 11.5 GB. * CodeCheck took 3639.77 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 77.6 MB). Free memory was 1.3 GB in the beginning and 1.1 GB in the end (delta: 242.9 MB). Peak memory consumption was 320.5 MB. Max. memory is 11.5 GB. * Witness Printer took 100.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...