./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label32_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9e373f11-b860-4089-b992-8a9147371de7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9e373f11-b860-4089-b992-8a9147371de7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9e373f11-b860-4089-b992-8a9147371de7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9e373f11-b860-4089-b992-8a9147371de7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label32_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9e373f11-b860-4089-b992-8a9147371de7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9e373f11-b860-4089-b992-8a9147371de7/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 b17d8b704c4d90069798a3313de2551dfcebcaee ................................................................................................................................................................................................................................................ 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 12:01:54,257 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:01:54,258 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:01:54,267 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:01:54,268 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:01:54,268 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:01:54,269 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:01:54,271 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:01:54,272 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:01:54,272 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:01:54,273 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:01:54,273 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:01:54,274 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:01:54,275 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:01:54,276 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:01:54,276 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:01:54,277 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:01:54,278 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:01:54,280 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:01:54,281 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:01:54,282 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:01:54,282 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:01:54,284 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:01:54,284 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:01:54,284 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:01:54,285 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:01:54,286 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:01:54,286 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:01:54,287 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:01:54,288 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:01:54,288 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:01:54,288 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:01:54,289 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:01:54,289 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:01:54,289 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:01:54,290 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:01:54,290 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9e373f11-b860-4089-b992-8a9147371de7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 12:01:54,301 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:01:54,301 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:01:54,302 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:01:54,302 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 12:01:54,302 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:01:54,302 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:01:54,303 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:01:54,303 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:01:54,303 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:01:54,303 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:01:54,303 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:01:54,303 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:01:54,303 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:01:54,304 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:01:54,304 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:01:54,304 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:01:54,304 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:01:54,304 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:01:54,304 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 12:01:54,304 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 12:01:54,305 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:01:54,305 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:01:54,305 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 12:01:54,305 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:01:54,305 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:01:54,305 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:01:54,306 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 12:01:54,306 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:01:54,306 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:01:54,306 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_9e373f11-b860-4089-b992-8a9147371de7/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 -> b17d8b704c4d90069798a3313de2551dfcebcaee [2018-11-23 12:01:54,330 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:01:54,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:01:54,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:01:54,345 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:01:54,346 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:01:54,346 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9e373f11-b860-4089-b992-8a9147371de7/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label32_true-unreach-call_false-termination.c [2018-11-23 12:01:54,393 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9e373f11-b860-4089-b992-8a9147371de7/bin-2019/ukojak/data/55fbd6888/9e1ae028661b4434b1e8a76a0b2206ad/FLAGa2b166432 [2018-11-23 12:01:54,804 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:01:54,804 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9e373f11-b860-4089-b992-8a9147371de7/sv-benchmarks/c/eca-rers2012/Problem14_label32_true-unreach-call_false-termination.c [2018-11-23 12:01:54,814 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9e373f11-b860-4089-b992-8a9147371de7/bin-2019/ukojak/data/55fbd6888/9e1ae028661b4434b1e8a76a0b2206ad/FLAGa2b166432 [2018-11-23 12:01:55,170 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9e373f11-b860-4089-b992-8a9147371de7/bin-2019/ukojak/data/55fbd6888/9e1ae028661b4434b1e8a76a0b2206ad [2018-11-23 12:01:55,173 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:01:55,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:01:55,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:01:55,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:01:55,177 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:01:55,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:01:55" (1/1) ... [2018-11-23 12:01:55,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@85f6425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:55, skipping insertion in model container [2018-11-23 12:01:55,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:01:55" (1/1) ... [2018-11-23 12:01:55,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:01:55,236 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:01:55,498 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:01:55,502 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:01:55,590 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:01:55,603 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:01:55,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:55 WrapperNode [2018-11-23 12:01:55,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:01:55,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:01:55,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:01:55,604 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:01:55,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:55" (1/1) ... [2018-11-23 12:01:55,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:55" (1/1) ... [2018-11-23 12:01:55,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:01:55,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:01:55,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:01:55,748 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:01:55,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:55" (1/1) ... [2018-11-23 12:01:55,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:55" (1/1) ... [2018-11-23 12:01:55,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:55" (1/1) ... [2018-11-23 12:01:55,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:55" (1/1) ... [2018-11-23 12:01:55,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:55" (1/1) ... [2018-11-23 12:01:55,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:55" (1/1) ... [2018-11-23 12:01:55,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:55" (1/1) ... [2018-11-23 12:01:55,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:01:55,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:01:55,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:01:55,811 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:01:55,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9e373f11-b860-4089-b992-8a9147371de7/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 12:01:55,865 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 12:01:55,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:01:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:08:06,720 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:08:06,720 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 12:08:06,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:08:06 BoogieIcfgContainer [2018-11-23 12:08:06,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:08:06,721 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 12:08:06,721 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 12:08:06,732 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 12:08:06,732 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:08:06" (1/1) ... [2018-11-23 12:08:06,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:08:06,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:08:06,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 12:08:06,768 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 12:08:06,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 12:08:06,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:08:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:08:06,956 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 12:08:07,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:08:07,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 12:08:07,043 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 12:08:07,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 12:08:07,044 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:08:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:08:07,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:08:10,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:08:10,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2018-11-23 12:08:10,290 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2018-11-23 12:08:10,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 12:08:10,291 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:08:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:08:11,432 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:08:22,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:08:22,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2018-11-23 12:08:22,058 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2018-11-23 12:08:22,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 12:08:22,060 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:08:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:08:22,674 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:08:22,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:08:22,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2018-11-23 12:08:22,908 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2018-11-23 12:08:22,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 12:08:22,909 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:08:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:08:23,628 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:08:23,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:08:23,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2018-11-23 12:08:23,831 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2018-11-23 12:08:23,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 12:08:23,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:08:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:08:24,482 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:08:24,679 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27 [2018-11-23 12:09:05,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:09:05,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 25 states and 47 transitions. [2018-11-23 12:09:05,369 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 47 transitions. [2018-11-23 12:09:05,370 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:09:05,370 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-11-23 12:09:05,375 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 12:09:05,578 INFO L579 CodeCheckObserver]: Invariant with dag size 36 [2018-11-23 12:09:05,587 INFO L579 CodeCheckObserver]: Invariant with dag size 36 [2018-11-23 12:09:05,588 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:09:05,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:09:05 ImpRootNode [2018-11-23 12:09:05,588 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 12:09:05,589 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:09:05,589 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:09:05,589 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:09:05,590 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:08:06" (3/4) ... [2018-11-23 12:09:05,593 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:09:05,610 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 218 nodes and edges [2018-11-23 12:09:05,611 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-23 12:09:05,612 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 12:09:05,613 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:09:05,707 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9e373f11-b860-4089-b992-8a9147371de7/bin-2019/ukojak/witness.graphml [2018-11-23 12:09:05,708 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:09:05,708 INFO L168 Benchmark]: Toolchain (without parser) took 430535.23 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 391.1 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -95.7 MB). Peak memory consumption was 295.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:09:05,709 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-11-23 12:09:05,710 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.06 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 915.1 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-23 12:09:05,710 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 915.1 MB in the beginning and 1.1 GB in the end (delta: -228.0 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2018-11-23 12:09:05,710 INFO L168 Benchmark]: Boogie Preprocessor took 63.17 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:09:05,710 INFO L168 Benchmark]: RCFGBuilder took 370909.97 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 35.7 MB). Free memory was 1.1 GB in the beginning and 897.8 MB in the end (delta: 239.9 MB). Peak memory consumption was 373.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:09:05,711 INFO L168 Benchmark]: CodeCheck took 58867.31 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.0 MB). Free memory was 897.8 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:09:05,711 INFO L168 Benchmark]: Witness Printer took 118.93 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-23 12:09:05,713 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, 245 locations, 1 error locations. SAFE Result, 58.6s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 404 SDtfs, 828 SDslu, 552 SDs, 0 SdLazy, 2268 SolverSat, 368 SolverUnsat, 24 SolverUnknown, 0 SolverNotchecked, 95.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 668 GetRequests, 554 SyntacticMatches, 36 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3562 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 10152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 0/54 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: 169]: 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: 880]: Loop Invariant Derived loop invariant: (((!(a21 == 9) && a24 == 1) || (!(0 <= a12 + 49 && a15 == 8) && a12 + 49 <= 0)) || (a24 == 1 && !(a15 == 6))) || (0 < a12 + 49 && (((((a21 == 6 || 81 <= a12) || a21 == 10) || a21 == 8) || a12 <= 11) || !(a15 == 6))) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((a12 <= 11 || 80 < a12) || !(a15 == 6)) && !((0 <= a12 + 49 && a15 == 8) && a12 + 49 <= 0)) || (a24 == 1 && a12 + 49 <= 0)) || (!(a21 == 9) && a24 == 1)) || (((a21 == 6 || a21 == 10) || a21 == 8) && !((0 <= a12 + 49 && a15 == 8) && a12 + 49 <= 0)) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 429.06 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 915.1 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 143.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 915.1 MB in the beginning and 1.1 GB in the end (delta: -228.0 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.17 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 370909.97 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 35.7 MB). Free memory was 1.1 GB in the beginning and 897.8 MB in the end (delta: 239.9 MB). Peak memory consumption was 373.6 MB. Max. memory is 11.5 GB. * CodeCheck took 58867.31 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.0 MB). Free memory was 897.8 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * Witness Printer took 118.93 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...