./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label36_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fe5c4e76-1387-4a9c-bdbe-d5fa33c8462d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fe5c4e76-1387-4a9c-bdbe-d5fa33c8462d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fe5c4e76-1387-4a9c-bdbe-d5fa33c8462d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fe5c4e76-1387-4a9c-bdbe-d5fa33c8462d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label36_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fe5c4e76-1387-4a9c-bdbe-d5fa33c8462d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fe5c4e76-1387-4a9c-bdbe-d5fa33c8462d/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 16796b54e5e5e595ebddd1a211fd081adf88fc5e ................................................................................................................................................................................................................................................. 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 13:12:08,962 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:12:08,963 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:12:08,969 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:12:08,969 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:12:08,970 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:12:08,970 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:12:08,971 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:12:08,973 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:12:08,973 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:12:08,974 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:12:08,974 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:12:08,974 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:12:08,975 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:12:08,976 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:12:08,976 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:12:08,977 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:12:08,978 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:12:08,979 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:12:08,981 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:12:08,981 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:12:08,982 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:12:08,984 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:12:08,984 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:12:08,984 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:12:08,985 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:12:08,985 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:12:08,986 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:12:08,987 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:12:08,987 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:12:08,987 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:12:08,988 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:12:08,988 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:12:08,988 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:12:08,989 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:12:08,989 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:12:08,989 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fe5c4e76-1387-4a9c-bdbe-d5fa33c8462d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 13:12:09,000 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:12:09,000 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:12:09,000 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:12:09,001 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 13:12:09,001 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:12:09,001 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:12:09,001 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:12:09,002 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:12:09,002 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:12:09,002 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:12:09,002 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:12:09,002 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:12:09,002 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:12:09,002 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:12:09,003 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:12:09,003 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:12:09,003 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:12:09,003 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:12:09,003 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 13:12:09,003 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 13:12:09,003 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:12:09,004 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:12:09,004 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 13:12:09,004 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:12:09,004 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:12:09,004 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:12:09,004 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 13:12:09,005 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:12:09,005 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:12:09,005 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_fe5c4e76-1387-4a9c-bdbe-d5fa33c8462d/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 -> 16796b54e5e5e595ebddd1a211fd081adf88fc5e [2018-11-23 13:12:09,028 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:12:09,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:12:09,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:12:09,041 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:12:09,041 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:12:09,042 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fe5c4e76-1387-4a9c-bdbe-d5fa33c8462d/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label36_true-unreach-call_false-termination.c [2018-11-23 13:12:09,078 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe5c4e76-1387-4a9c-bdbe-d5fa33c8462d/bin-2019/ukojak/data/7c93f0bf6/01a3fd978cb5445781fc91f67ee5f3c2/FLAGb8ee41bd9 [2018-11-23 13:12:09,426 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:12:09,427 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fe5c4e76-1387-4a9c-bdbe-d5fa33c8462d/sv-benchmarks/c/eca-rers2012/Problem14_label36_true-unreach-call_false-termination.c [2018-11-23 13:12:09,436 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe5c4e76-1387-4a9c-bdbe-d5fa33c8462d/bin-2019/ukojak/data/7c93f0bf6/01a3fd978cb5445781fc91f67ee5f3c2/FLAGb8ee41bd9 [2018-11-23 13:12:09,448 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fe5c4e76-1387-4a9c-bdbe-d5fa33c8462d/bin-2019/ukojak/data/7c93f0bf6/01a3fd978cb5445781fc91f67ee5f3c2 [2018-11-23 13:12:09,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:12:09,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:12:09,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:12:09,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:12:09,455 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:12:09,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:12:09" (1/1) ... [2018-11-23 13:12:09,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb4fcbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:09, skipping insertion in model container [2018-11-23 13:12:09,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:12:09" (1/1) ... [2018-11-23 13:12:09,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:12:09,504 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:12:09,767 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:12:09,770 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:12:09,860 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:12:09,872 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:12:09,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:09 WrapperNode [2018-11-23 13:12:09,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:12:09,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:12:09,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:12:09,873 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:12:09,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:09" (1/1) ... [2018-11-23 13:12:09,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:09" (1/1) ... [2018-11-23 13:12:10,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:12:10,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:12:10,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:12:10,008 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:12:10,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:09" (1/1) ... [2018-11-23 13:12:10,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:09" (1/1) ... [2018-11-23 13:12:10,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:09" (1/1) ... [2018-11-23 13:12:10,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:09" (1/1) ... [2018-11-23 13:12:10,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:09" (1/1) ... [2018-11-23 13:12:10,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:09" (1/1) ... [2018-11-23 13:12:10,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:09" (1/1) ... [2018-11-23 13:12:10,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:12:10,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:12:10,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:12:10,055 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:12:10,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe5c4e76-1387-4a9c-bdbe-d5fa33c8462d/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 13:12:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 13:12:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:12:10,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:18:05,692 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:18:05,693 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 13:18:05,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:18:05 BoogieIcfgContainer [2018-11-23 13:18:05,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:18:05,693 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 13:18:05,694 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 13:18:05,703 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 13:18:05,703 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:18:05" (1/1) ... [2018-11-23 13:18:05,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:18:05,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:18:05,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 13:18:05,744 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 13:18:05,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 13:18:05,747 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:18:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:18:05,918 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 13:18:16,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:18:16,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 13:18:16,014 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 13:18:16,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 13:18:16,015 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:18:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:18:16,378 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 13:18:16,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:18:16,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2018-11-23 13:18:16,666 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2018-11-23 13:18:16,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 13:18:16,666 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:18:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:18:17,358 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:18:17,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:18:17,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2018-11-23 13:18:17,744 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2018-11-23 13:18:17,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 13:18:17,746 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:18:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:18:18,710 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:18:19,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:18:19,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2018-11-23 13:18:19,475 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2018-11-23 13:18:19,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 13:18:19,476 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:18:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:18:20,065 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:18:20,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:18:20,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2018-11-23 13:18:20,290 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2018-11-23 13:18:20,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 13:18:20,291 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:18:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:18:20,937 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 13:18:52,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:18:52,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 49 transitions. [2018-11-23 13:18:52,201 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 49 transitions. [2018-11-23 13:18:52,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:18:52,202 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-11-23 13:18:52,208 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 13:18:52,333 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 56 [2018-11-23 13:18:52,519 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 56 [2018-11-23 13:18:52,552 INFO L579 CodeCheckObserver]: Invariant with dag size 21 [2018-11-23 13:18:52,560 INFO L579 CodeCheckObserver]: Invariant with dag size 56 [2018-11-23 13:18:52,562 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 13:18:52,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:18:52 ImpRootNode [2018-11-23 13:18:52,562 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 13:18:52,563 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:18:52,563 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:18:52,563 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:18:52,564 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:18:05" (3/4) ... [2018-11-23 13:18:52,567 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:18:52,583 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-11-23 13:18:52,585 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 13:18:52,586 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 13:18:52,586 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:18:52,674 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fe5c4e76-1387-4a9c-bdbe-d5fa33c8462d/bin-2019/ukojak/witness.graphml [2018-11-23 13:18:52,674 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:18:52,675 INFO L168 Benchmark]: Toolchain (without parser) took 403224.39 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 318.8 MB). Free memory was 950.0 MB in the beginning and 883.7 MB in the end (delta: 66.3 MB). Peak memory consumption was 385.0 MB. Max. memory is 11.5 GB. [2018-11-23 13:18:52,676 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:18:52,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.47 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 912.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:18:52,676 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 912.4 MB in the beginning and 1.1 GB in the end (delta: -193.0 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:18:52,676 INFO L168 Benchmark]: Boogie Preprocessor took 47.44 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-23 13:18:52,677 INFO L168 Benchmark]: RCFGBuilder took 355637.90 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 35.7 MB). Free memory was 1.1 GB in the beginning and 890.4 MB in the end (delta: 204.2 MB). Peak memory consumption was 395.2 MB. Max. memory is 11.5 GB. [2018-11-23 13:18:52,677 INFO L168 Benchmark]: CodeCheck took 46868.91 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 164.6 MB). Free memory was 890.4 MB in the beginning and 910.0 MB in the end (delta: -19.6 MB). Peak memory consumption was 145.0 MB. Max. memory is 11.5 GB. [2018-11-23 13:18:52,677 INFO L168 Benchmark]: Witness Printer took 111.84 ms. Allocated memory is still 1.3 GB. Free memory was 910.0 MB in the beginning and 883.7 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:18:52,679 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 245 locations, 1 error locations. SAFE Result, 46.4s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 352 SDtfs, 786 SDslu, 448 SDs, 0 SdLazy, 1996 SolverSat, 324 SolverUnsat, 38 SolverUnknown, 0 SolverNotchecked, 91.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 761 GetRequests, 617 SyntacticMatches, 46 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6220 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 24544 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 2/91 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: 148]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((((a21 == 6 || a15 == 7) || a15 == 8) || a21 == 7) || a15 == 9) || 10 == a21) || 5 == a15) || a21 == 9) || a12 <= 80 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((((a21 == 6 || a15 == 7) || a15 == 8) || a21 == 10) || a21 == 9) && !(a21 == 7)) || 9 == a15) || ((((((2 == input || 4 == input) || 3 == input) || 6 == input) || 1 == input) || 5 == input) && a12 + 49 <= 0)) || ((((!(a15 == 9) && a21 == 7) || a15 == 5) || ((!(a15 == 9) && a12 + 43 <= 0) && a21 == 10)) && !(((0 <= a12 + 49 && a15 == 8) && a24 == 1) && a12 + 49 <= 0))) || (a12 <= 80 && !(((!(a15 == 9) && a21 == 7) || a15 == 5) || ((!(a15 == 9) && a12 + 43 <= 0) && a21 == 10))) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 420.47 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 912.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 134.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 912.4 MB in the beginning and 1.1 GB in the end (delta: -193.0 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.44 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 355637.90 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 35.7 MB). Free memory was 1.1 GB in the beginning and 890.4 MB in the end (delta: 204.2 MB). Peak memory consumption was 395.2 MB. Max. memory is 11.5 GB. * CodeCheck took 46868.91 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 164.6 MB). Free memory was 890.4 MB in the beginning and 910.0 MB in the end (delta: -19.6 MB). Peak memory consumption was 145.0 MB. Max. memory is 11.5 GB. * Witness Printer took 111.84 ms. Allocated memory is still 1.3 GB. Free memory was 910.0 MB in the beginning and 883.7 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...