./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label16_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a1dd89f2-52f5-4629-b5bd-897478eb2eca/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a1dd89f2-52f5-4629-b5bd-897478eb2eca/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a1dd89f2-52f5-4629-b5bd-897478eb2eca/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a1dd89f2-52f5-4629-b5bd-897478eb2eca/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label16_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a1dd89f2-52f5-4629-b5bd-897478eb2eca/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a1dd89f2-52f5-4629-b5bd-897478eb2eca/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 2f6307005cb5c47af0b5fde9199b934ec7fee093 .............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 22:39:27,275 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 22:39:27,276 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 22:39:27,282 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 22:39:27,282 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 22:39:27,282 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 22:39:27,283 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 22:39:27,284 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 22:39:27,284 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 22:39:27,285 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 22:39:27,285 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 22:39:27,285 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 22:39:27,286 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 22:39:27,286 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 22:39:27,287 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 22:39:27,287 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 22:39:27,287 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 22:39:27,288 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 22:39:27,289 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 22:39:27,290 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 22:39:27,290 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 22:39:27,291 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 22:39:27,292 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 22:39:27,292 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 22:39:27,292 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 22:39:27,292 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 22:39:27,293 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 22:39:27,293 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 22:39:27,293 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 22:39:27,294 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 22:39:27,294 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 22:39:27,294 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 22:39:27,294 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 22:39:27,295 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 22:39:27,295 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 22:39:27,295 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 22:39:27,295 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a1dd89f2-52f5-4629-b5bd-897478eb2eca/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 22:39:27,302 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 22:39:27,302 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 22:39:27,303 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 22:39:27,303 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 22:39:27,303 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 22:39:27,303 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 22:39:27,303 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 22:39:27,303 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 22:39:27,304 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 22:39:27,304 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 22:39:27,304 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 22:39:27,304 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 22:39:27,304 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 22:39:27,304 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 22:39:27,304 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 22:39:27,304 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 22:39:27,304 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 22:39:27,304 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 22:39:27,304 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 22:39:27,305 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 22:39:27,305 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 22:39:27,305 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 22:39:27,305 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 22:39:27,305 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 22:39:27,305 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 22:39:27,305 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 22:39:27,305 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 22:39:27,305 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 22:39:27,305 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 22:39:27,305 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_a1dd89f2-52f5-4629-b5bd-897478eb2eca/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 -> 2f6307005cb5c47af0b5fde9199b934ec7fee093 [2018-12-08 22:39:27,322 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 22:39:27,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 22:39:27,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 22:39:27,330 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 22:39:27,331 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 22:39:27,331 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a1dd89f2-52f5-4629-b5bd-897478eb2eca/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label16_true-unreach-call.c [2018-12-08 22:39:27,372 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1dd89f2-52f5-4629-b5bd-897478eb2eca/bin-2019/ukojak/data/04652f369/d54605fc707542dd9363ea0a1ad89115/FLAGf974fbd19 [2018-12-08 22:39:27,689 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 22:39:27,690 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a1dd89f2-52f5-4629-b5bd-897478eb2eca/sv-benchmarks/c/eca-rers2012/Problem10_label16_true-unreach-call.c [2018-12-08 22:39:27,696 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1dd89f2-52f5-4629-b5bd-897478eb2eca/bin-2019/ukojak/data/04652f369/d54605fc707542dd9363ea0a1ad89115/FLAGf974fbd19 [2018-12-08 22:39:28,097 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a1dd89f2-52f5-4629-b5bd-897478eb2eca/bin-2019/ukojak/data/04652f369/d54605fc707542dd9363ea0a1ad89115 [2018-12-08 22:39:28,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 22:39:28,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 22:39:28,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 22:39:28,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 22:39:28,103 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 22:39:28,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:39:28" (1/1) ... [2018-12-08 22:39:28,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d8803c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:39:28, skipping insertion in model container [2018-12-08 22:39:28,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:39:28" (1/1) ... [2018-12-08 22:39:28,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 22:39:28,140 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 22:39:28,329 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:39:28,332 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 22:39:28,433 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:39:28,447 INFO L195 MainTranslator]: Completed translation [2018-12-08 22:39:28,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:39:28 WrapperNode [2018-12-08 22:39:28,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 22:39:28,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 22:39:28,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 22:39:28,449 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 22:39:28,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:39:28" (1/1) ... [2018-12-08 22:39:28,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:39:28" (1/1) ... [2018-12-08 22:39:28,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 22:39:28,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 22:39:28,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 22:39:28,506 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 22:39:28,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:39:28" (1/1) ... [2018-12-08 22:39:28,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:39:28" (1/1) ... [2018-12-08 22:39:28,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:39:28" (1/1) ... [2018-12-08 22:39:28,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:39:28" (1/1) ... [2018-12-08 22:39:28,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:39:28" (1/1) ... [2018-12-08 22:39:28,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:39:28" (1/1) ... [2018-12-08 22:39:28,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:39:28" (1/1) ... [2018-12-08 22:39:28,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 22:39:28,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 22:39:28,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 22:39:28,557 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 22:39:28,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:39:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1dd89f2-52f5-4629-b5bd-897478eb2eca/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 22:39:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 22:39:28,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 22:41:04,460 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 22:41:04,460 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 22:41:04,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:41:04 BoogieIcfgContainer [2018-12-08 22:41:04,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 22:41:04,461 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 22:41:04,461 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 22:41:04,468 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 22:41:04,468 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:41:04" (1/1) ... [2018-12-08 22:41:04,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:41:04,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:41:04,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-08 22:41:04,500 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-08 22:41:04,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 22:41:04,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:41:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:41:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:41:04,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:41:04,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-08 22:41:04,657 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-08 22:41:04,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 22:41:04,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:41:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:41:04,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:41:05,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:41:05,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2018-12-08 22:41:05,056 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2018-12-08 22:41:05,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 22:41:05,058 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:41:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:41:05,358 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:41:05,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:41:05,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2018-12-08 22:41:05,909 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2018-12-08 22:41:05,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 22:41:05,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:41:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:41:06,042 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:41:06,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:41:06,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2018-12-08 22:41:06,187 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2018-12-08 22:41:06,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 22:41:06,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:41:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:41:06,456 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 22:41:06,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:41:06,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2018-12-08 22:41:06,860 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2018-12-08 22:41:06,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:41:06,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:41:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:41:07,188 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 22:41:07,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:41:07,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 22 states and 36 transitions. [2018-12-08 22:41:07,702 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 36 transitions. [2018-12-08 22:41:07,703 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 22:41:07,703 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-12-08 22:41:07,708 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 22:41:07,840 INFO L583 CodeCheckObserver]: Invariant with dag size 22 [2018-12-08 22:41:07,846 INFO L583 CodeCheckObserver]: Invariant with dag size 21 [2018-12-08 22:41:07,846 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:41:07,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 10:41:07 ImpRootNode [2018-12-08 22:41:07,847 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 22:41:07,847 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:41:07,847 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:41:07,847 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:41:07,847 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:41:04" (3/4) ... [2018-12-08 22:41:07,850 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 22:41:07,860 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-12-08 22:41:07,860 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-08 22:41:07,861 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 22:41:07,861 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 22:41:07,929 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a1dd89f2-52f5-4629-b5bd-897478eb2eca/bin-2019/ukojak/witness.graphml [2018-12-08 22:41:07,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:41:07,929 INFO L168 Benchmark]: Toolchain (without parser) took 99830.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -85.5 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:41:07,930 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:41:07,930 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -160.1 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. [2018-12-08 22:41:07,931 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:41:07,931 INFO L168 Benchmark]: Boogie Preprocessor took 50.48 ms. Allocated memory is still 1.1 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. [2018-12-08 22:41:07,931 INFO L168 Benchmark]: RCFGBuilder took 95904.53 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 21.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.5 MB). Peak memory consumption was 337.4 MB. Max. memory is 11.5 GB. [2018-12-08 22:41:07,931 INFO L168 Benchmark]: CodeCheck took 3385.68 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -12.9 MB). Peak memory consumption was 2.3 MB. Max. memory is 11.5 GB. [2018-12-08 22:41:07,931 INFO L168 Benchmark]: Witness Printer took 81.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-12-08 22:41:07,932 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, 3.2s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 384 SDtfs, 776 SDslu, 512 SDs, 0 SdLazy, 2126 SolverSat, 314 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 745 GetRequests, 630 SyntacticMatches, 35 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3343 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 13884 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 36/80 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: 103]: 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 + 333899 <= 0 || !(a10 == 4)) && a12 == 0) && a4 == 14) || ((!(a19 == 6) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((!(a19 == 6) || !(a10 == 4)) && a12 == 0) && a4 == 14) || ((a12 == 0 && a4 == 14) && 218 < a1) - 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 348.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -160.1 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.48 ms. Allocated memory is still 1.1 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 95904.53 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 21.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.5 MB). Peak memory consumption was 337.4 MB. Max. memory is 11.5 GB. * CodeCheck took 3385.68 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -12.9 MB). Peak memory consumption was 2.3 MB. Max. memory is 11.5 GB. * Witness Printer took 81.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...