./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label45_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6cf88112-a6cf-4576-bd7f-fe2787396065/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6cf88112-a6cf-4576-bd7f-fe2787396065/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6cf88112-a6cf-4576-bd7f-fe2787396065/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6cf88112-a6cf-4576-bd7f-fe2787396065/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label45_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6cf88112-a6cf-4576-bd7f-fe2787396065/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6cf88112-a6cf-4576-bd7f-fe2787396065/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 70545f5392ebc5e90051a936a28b8141bae29fb0 ....................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:58:11,643 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:58:11,644 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:58:11,653 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:58:11,653 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:58:11,654 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:58:11,655 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:58:11,656 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:58:11,658 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:58:11,658 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:58:11,659 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:58:11,659 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:58:11,660 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:58:11,661 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:58:11,662 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:58:11,662 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:58:11,663 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:58:11,664 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:58:11,666 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:58:11,667 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:58:11,668 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:58:11,669 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:58:11,671 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:58:11,671 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:58:11,671 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:58:11,672 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:58:11,673 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:58:11,673 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:58:11,674 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:58:11,675 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:58:11,675 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:58:11,675 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:58:11,676 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:58:11,676 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:58:11,677 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:58:11,677 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:58:11,677 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6cf88112-a6cf-4576-bd7f-fe2787396065/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 15:58:11,687 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:58:11,688 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:58:11,688 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:58:11,689 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:58:11,689 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:58:11,689 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:58:11,689 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:58:11,689 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:58:11,690 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:58:11,690 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:58:11,690 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:58:11,690 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:58:11,690 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:58:11,690 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:58:11,691 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:58:11,691 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:58:11,691 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:58:11,691 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:58:11,691 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:58:11,691 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:58:11,691 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:58:11,692 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:58:11,692 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:58:11,692 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:58:11,692 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:58:11,692 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:58:11,692 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:58:11,693 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:58:11,693 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:58:11,693 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_6cf88112-a6cf-4576-bd7f-fe2787396065/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 -> 70545f5392ebc5e90051a936a28b8141bae29fb0 [2018-11-18 15:58:11,716 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:58:11,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:58:11,726 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:58:11,727 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:58:11,727 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:58:11,728 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6cf88112-a6cf-4576-bd7f-fe2787396065/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label45_true-unreach-call.c [2018-11-18 15:58:11,766 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6cf88112-a6cf-4576-bd7f-fe2787396065/bin-2019/ukojak/data/a6fe9e585/1f8658c651fb4b229eb66bbf7795cd3a/FLAGc4e34a311 [2018-11-18 15:58:12,224 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:58:12,225 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6cf88112-a6cf-4576-bd7f-fe2787396065/sv-benchmarks/c/eca-rers2012/Problem10_label45_true-unreach-call.c [2018-11-18 15:58:12,234 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6cf88112-a6cf-4576-bd7f-fe2787396065/bin-2019/ukojak/data/a6fe9e585/1f8658c651fb4b229eb66bbf7795cd3a/FLAGc4e34a311 [2018-11-18 15:58:12,245 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6cf88112-a6cf-4576-bd7f-fe2787396065/bin-2019/ukojak/data/a6fe9e585/1f8658c651fb4b229eb66bbf7795cd3a [2018-11-18 15:58:12,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:58:12,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:58:12,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:58:12,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:58:12,253 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:58:12,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:58:12" (1/1) ... [2018-11-18 15:58:12,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f427c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:12, skipping insertion in model container [2018-11-18 15:58:12,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:58:12" (1/1) ... [2018-11-18 15:58:12,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:58:12,299 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:58:12,519 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:58:12,522 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:58:12,588 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:58:12,600 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:58:12,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:12 WrapperNode [2018-11-18 15:58:12,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:58:12,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:58:12,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:58:12,602 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:58:12,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:12" (1/1) ... [2018-11-18 15:58:12,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:12" (1/1) ... [2018-11-18 15:58:12,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:58:12,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:58:12,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:58:12,723 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:58:12,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:12" (1/1) ... [2018-11-18 15:58:12,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:12" (1/1) ... [2018-11-18 15:58:12,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:12" (1/1) ... [2018-11-18 15:58:12,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:12" (1/1) ... [2018-11-18 15:58:12,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:12" (1/1) ... [2018-11-18 15:58:12,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:12" (1/1) ... [2018-11-18 15:58:12,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:12" (1/1) ... [2018-11-18 15:58:12,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:58:12,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:58:12,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:58:12,773 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:58:12,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:58:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6cf88112-a6cf-4576-bd7f-fe2787396065/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:58:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 15:58:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:58:12,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:59:15,750 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:59:15,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:59:15 BoogieIcfgContainer [2018-11-18 15:59:15,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:59:15,751 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:59:15,751 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:59:15,758 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:59:15,758 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:59:15" (1/1) ... [2018-11-18 15:59:15,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:59:15,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:59:15,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 15:59:15,789 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 15:59:15,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 15:59:15,791 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:59:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:15,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:59:15,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:59:15,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 15:59:15,989 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 15:59:15,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 15:59:15,990 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:59:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:16,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:59:16,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:59:16,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2018-11-18 15:59:16,520 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2018-11-18 15:59:16,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 15:59:16,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:59:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:16,878 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:59:17,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:59:17,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2018-11-18 15:59:17,532 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2018-11-18 15:59:17,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 15:59:17,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:59:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:17,740 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:59:17,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:59:17,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2018-11-18 15:59:17,999 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2018-11-18 15:59:17,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 15:59:18,000 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:59:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:18,743 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:59:19,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:59:19,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 51 states and 81 transitions. [2018-11-18 15:59:19,903 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 81 transitions. [2018-11-18 15:59:19,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 15:59:19,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:59:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:20,460 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:59:20,588 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 28 [2018-11-18 15:59:20,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:59:20,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 55 states and 86 transitions. [2018-11-18 15:59:20,927 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 86 transitions. [2018-11-18 15:59:20,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 15:59:20,928 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:59:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:21,341 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 15:59:22,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:59:22,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2018-11-18 15:59:22,280 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2018-11-18 15:59:22,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:59:22,281 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-18 15:59:22,289 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 15:59:22,404 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 28 [2018-11-18 15:59:22,621 INFO L579 CodeCheckObserver]: Invariant with dag size 28 [2018-11-18 15:59:22,629 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:59:22,630 INFO L579 CodeCheckObserver]: Invariant with dag size 27 [2018-11-18 15:59:22,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:59:22 ImpRootNode [2018-11-18 15:59:22,631 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:59:22,631 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:59:22,631 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:59:22,631 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:59:22,632 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:59:15" (3/4) ... [2018-11-18 15:59:22,636 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:59:22,652 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2018-11-18 15:59:22,653 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-18 15:59:22,654 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 15:59:22,655 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 15:59:22,772 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6cf88112-a6cf-4576-bd7f-fe2787396065/bin-2019/ukojak/witness.graphml [2018-11-18 15:59:22,772 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:59:22,773 INFO L168 Benchmark]: Toolchain (without parser) took 70524.14 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 462.4 MB). Free memory was 956.4 MB in the beginning and 1.3 GB in the end (delta: -354.1 MB). Peak memory consumption was 108.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:59:22,773 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:59:22,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.15 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 921.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:59:22,774 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 918.8 MB in the beginning and 1.1 GB in the end (delta: -207.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:59:22,774 INFO L168 Benchmark]: Boogie Preprocessor took 49.81 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. [2018-11-18 15:59:22,774 INFO L168 Benchmark]: RCFGBuilder took 62977.90 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 100.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -13.9 MB). Peak memory consumption was 348.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:59:22,775 INFO L168 Benchmark]: CodeCheck took 6880.06 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 220.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -187.4 MB). Peak memory consumption was 413.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:59:22,775 INFO L168 Benchmark]: Witness Printer took 141.04 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:59:22,777 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 207 locations, 1 error locations. SAFE Result, 6.5s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 924 SDtfs, 2298 SDslu, 2160 SDs, 0 SdLazy, 4654 SolverSat, 688 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1114 GetRequests, 925 SyntacticMatches, 67 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8532 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 35120 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 15/130 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: 118]: 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: (((a19 == 9 || a19 == 10) || !(a10 == 1)) || ((a1 <= 38 && a12 == 0) && a4 == 14)) || (((219 <= a1 || !(a19 == 8)) && a12 == 0) && a4 == 14) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a19 == 9 || a19 == 10) || !(a10 == 1)) || ((a12 == 0 && ((a1 <= 38 || 218 < a1) || !(a19 == 8))) && a4 == 14) * 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 351.15 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 921.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 120.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 918.8 MB in the beginning and 1.1 GB in the end (delta: -207.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.81 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 62977.90 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 100.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -13.9 MB). Peak memory consumption was 348.6 MB. Max. memory is 11.5 GB. * CodeCheck took 6880.06 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 220.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -187.4 MB). Peak memory consumption was 413.4 MB. Max. memory is 11.5 GB. * Witness Printer took 141.04 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...