./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label06_true-unreach-call.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_f0da4eca-370c-4414-98ba-90bd53210c14/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f0da4eca-370c-4414-98ba-90bd53210c14/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f0da4eca-370c-4414-98ba-90bd53210c14/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f0da4eca-370c-4414-98ba-90bd53210c14/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label06_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f0da4eca-370c-4414-98ba-90bd53210c14/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f0da4eca-370c-4414-98ba-90bd53210c14/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 cedd4be5c783220986647beb9a6f0a386eea1980 ............................................................................................................................................................................................................................................................................ 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 04:15:37,084 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:15:37,085 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:15:37,093 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:15:37,093 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:15:37,093 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:15:37,094 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:15:37,095 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:15:37,096 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:15:37,097 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:15:37,098 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:15:37,098 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:15:37,098 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:15:37,099 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:15:37,100 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:15:37,100 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:15:37,101 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:15:37,102 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:15:37,104 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:15:37,105 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:15:37,105 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:15:37,106 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:15:37,108 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:15:37,108 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:15:37,108 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:15:37,109 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:15:37,109 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:15:37,110 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:15:37,110 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:15:37,111 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:15:37,111 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:15:37,111 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:15:37,111 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:15:37,111 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:15:37,112 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:15:37,112 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:15:37,112 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f0da4eca-370c-4414-98ba-90bd53210c14/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 04:15:37,121 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:15:37,121 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:15:37,122 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:15:37,122 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 04:15:37,122 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 04:15:37,123 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 04:15:37,123 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:15:37,123 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:15:37,123 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:15:37,123 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:15:37,123 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:15:37,123 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:15:37,124 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:15:37,124 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:15:37,124 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:15:37,124 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:15:37,124 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:15:37,124 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:15:37,124 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 04:15:37,125 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 04:15:37,125 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:15:37,125 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:15:37,125 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 04:15:37,125 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:15:37,125 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:15:37,125 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:15:37,126 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 04:15:37,126 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:15:37,126 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:15:37,126 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_f0da4eca-370c-4414-98ba-90bd53210c14/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 -> cedd4be5c783220986647beb9a6f0a386eea1980 [2018-11-23 04:15:37,149 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:15:37,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:15:37,160 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:15:37,161 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:15:37,161 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:15:37,161 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f0da4eca-370c-4414-98ba-90bd53210c14/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label06_true-unreach-call.c [2018-11-23 04:15:37,202 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0da4eca-370c-4414-98ba-90bd53210c14/bin-2019/ukojak/data/358b0cd00/241918ceeb4440cba607f7e94d263474/FLAGf3ab35850 [2018-11-23 04:15:37,553 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:15:37,553 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f0da4eca-370c-4414-98ba-90bd53210c14/sv-benchmarks/c/eca-rers2012/Problem10_label06_true-unreach-call.c [2018-11-23 04:15:37,563 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0da4eca-370c-4414-98ba-90bd53210c14/bin-2019/ukojak/data/358b0cd00/241918ceeb4440cba607f7e94d263474/FLAGf3ab35850 [2018-11-23 04:15:37,574 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f0da4eca-370c-4414-98ba-90bd53210c14/bin-2019/ukojak/data/358b0cd00/241918ceeb4440cba607f7e94d263474 [2018-11-23 04:15:37,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:15:37,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:15:37,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:15:37,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:15:37,582 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:15:37,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:15:37" (1/1) ... [2018-11-23 04:15:37,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585def0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:37, skipping insertion in model container [2018-11-23 04:15:37,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:15:37" (1/1) ... [2018-11-23 04:15:37,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:15:37,631 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:15:37,880 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:15:37,884 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:15:37,960 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:15:37,972 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:15:37,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:37 WrapperNode [2018-11-23 04:15:37,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:15:37,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:15:37,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:15:37,974 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:15:38,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:37" (1/1) ... [2018-11-23 04:15:38,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:37" (1/1) ... [2018-11-23 04:15:38,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:15:38,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:15:38,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:15:38,090 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:15:38,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:37" (1/1) ... [2018-11-23 04:15:38,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:37" (1/1) ... [2018-11-23 04:15:38,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:37" (1/1) ... [2018-11-23 04:15:38,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:37" (1/1) ... [2018-11-23 04:15:38,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:37" (1/1) ... [2018-11-23 04:15:38,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:37" (1/1) ... [2018-11-23 04:15:38,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:37" (1/1) ... [2018-11-23 04:15:38,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:15:38,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:15:38,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:15:38,140 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:15:38,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0da4eca-370c-4414-98ba-90bd53210c14/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 04:15:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 04:15:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:15:38,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:17:04,864 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:17:04,864 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 04:17:04,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:17:04 BoogieIcfgContainer [2018-11-23 04:17:04,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:17:04,865 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 04:17:04,865 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 04:17:04,874 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 04:17:04,875 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:17:04" (1/1) ... [2018-11-23 04:17:04,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:17:04,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:17:04,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 04:17:04,918 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 04:17:04,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 04:17:04,921 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:17:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:17:05,071 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 04:17:05,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:17:05,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 04:17:05,151 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 04:17:05,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 04:17:05,152 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:17:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:17:05,486 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 04:17:05,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:17:05,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2018-11-23 04:17:05,742 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2018-11-23 04:17:05,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 04:17:05,744 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:17:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:17:06,188 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 04:17:06,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:17:06,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 43 transitions. [2018-11-23 04:17:06,566 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 43 transitions. [2018-11-23 04:17:06,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 04:17:06,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:17:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:17:06,942 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 04:17:07,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:17:07,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2018-11-23 04:17:07,124 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2018-11-23 04:17:07,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 04:17:07,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:17:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:17:07,490 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 04:17:08,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:17:08,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 73 transitions. [2018-11-23 04:17:08,419 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2018-11-23 04:17:08,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 04:17:08,419 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:17:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:17:08,619 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 04:17:08,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:17:08,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 44 states and 82 transitions. [2018-11-23 04:17:08,994 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 82 transitions. [2018-11-23 04:17:08,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 04:17:08,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:17:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:17:09,289 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 04:17:09,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:17:09,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 86 transitions. [2018-11-23 04:17:09,463 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2018-11-23 04:17:09,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 04:17:09,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:17:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:17:10,387 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 04:17:11,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:17:11,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 44 states and 85 transitions. [2018-11-23 04:17:11,234 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 85 transitions. [2018-11-23 04:17:11,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 04:17:11,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:17:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:17:11,793 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 04:17:12,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:17:12,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 91 transitions. [2018-11-23 04:17:12,132 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 91 transitions. [2018-11-23 04:17:12,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 04:17:12,133 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:17:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:17:12,471 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 04:17:12,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:17:12,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2018-11-23 04:17:12,625 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2018-11-23 04:17:12,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 04:17:12,626 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-23 04:17:12,634 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 04:17:12,813 INFO L579 CodeCheckObserver]: Invariant with dag size 21 [2018-11-23 04:17:12,822 INFO L579 CodeCheckObserver]: Invariant with dag size 19 [2018-11-23 04:17:12,823 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:17:12,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 04:17:12 ImpRootNode [2018-11-23 04:17:12,823 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 04:17:12,824 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:17:12,824 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:17:12,824 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:17:12,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:17:04" (3/4) ... [2018-11-23 04:17:12,828 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 04:17:12,844 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 177 nodes and edges [2018-11-23 04:17:12,845 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-23 04:17:12,846 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 04:17:12,846 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 04:17:12,937 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f0da4eca-370c-4414-98ba-90bd53210c14/bin-2019/ukojak/witness.graphml [2018-11-23 04:17:12,938 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:17:12,938 INFO L168 Benchmark]: Toolchain (without parser) took 95360.87 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 468.2 MB). Free memory was 953.9 MB in the beginning and 925.3 MB in the end (delta: 28.6 MB). Peak memory consumption was 496.8 MB. Max. memory is 11.5 GB. [2018-11-23 04:17:12,939 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:17:12,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.42 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 921.7 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-23 04:17:12,940 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -196.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-23 04:17:12,940 INFO L168 Benchmark]: Boogie Preprocessor took 48.92 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 04:17:12,940 INFO L168 Benchmark]: RCFGBuilder took 86725.27 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -12.4 MB). Peak memory consumption was 351.8 MB. Max. memory is 11.5 GB. [2018-11-23 04:17:12,941 INFO L168 Benchmark]: CodeCheck took 7958.50 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 235.4 MB). Free memory was 1.1 GB in the beginning and 937.1 MB in the end (delta: 188.1 MB). Peak memory consumption was 423.5 MB. Max. memory is 11.5 GB. [2018-11-23 04:17:12,941 INFO L168 Benchmark]: Witness Printer took 113.86 ms. Allocated memory is still 1.5 GB. Free memory was 937.1 MB in the beginning and 925.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-23 04:17:12,943 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, 206 locations, 1 error locations. SAFE Result, 7.7s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6444 SDtfs, 13212 SDslu, 8792 SDs, 0 SdLazy, 36904 SolverSat, 4852 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1604 GetRequests, 1380 SyntacticMatches, 92 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9456 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 24044 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 72/213 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: 76]: 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: (((a1 <= 218 && a12 == 0) && a4 == 14) || ((a12 == 0 && !(a10 == 1)) && a4 == 14)) || ((!(a19 == 6) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (a12 == 0 && ((a1 <= 218 || !(a19 == 6)) || !(a10 == 1))) && a4 == 14 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 394.42 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 921.7 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 116.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -196.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.92 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 86725.27 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -12.4 MB). Peak memory consumption was 351.8 MB. Max. memory is 11.5 GB. * CodeCheck took 7958.50 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 235.4 MB). Free memory was 1.1 GB in the beginning and 937.1 MB in the end (delta: 188.1 MB). Peak memory consumption was 423.5 MB. Max. memory is 11.5 GB. * Witness Printer took 113.86 ms. Allocated memory is still 1.5 GB. Free memory was 937.1 MB in the beginning and 925.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...