./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e8fad964-9709-425c-88eb-751108b1cd79/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e8fad964-9709-425c-88eb-751108b1cd79/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e8fad964-9709-425c-88eb-751108b1cd79/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e8fad964-9709-425c-88eb-751108b1cd79/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e8fad964-9709-425c-88eb-751108b1cd79/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e8fad964-9709-425c-88eb-751108b1cd79/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32be2810d9c37c4b52439355c8a9e3577edf70e1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 06:12:40,255 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:12:40,257 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:12:40,267 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:12:40,267 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:12:40,268 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:12:40,269 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:12:40,270 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:12:40,272 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:12:40,273 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:12:40,274 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:12:40,274 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:12:40,275 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:12:40,276 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:12:40,277 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:12:40,277 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:12:40,278 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:12:40,280 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:12:40,281 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:12:40,283 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:12:40,284 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:12:40,285 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:12:40,287 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:12:40,287 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:12:40,287 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:12:40,288 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:12:40,289 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:12:40,289 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:12:40,290 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:12:40,291 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:12:40,291 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:12:40,292 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:12:40,292 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:12:40,292 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:12:40,293 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:12:40,294 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:12:40,294 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e8fad964-9709-425c-88eb-751108b1cd79/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 06:12:40,306 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:12:40,306 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:12:40,307 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:12:40,307 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 06:12:40,308 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 06:12:40,308 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 06:12:40,308 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 06:12:40,309 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:12:40,309 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:12:40,309 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 06:12:40,309 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:12:40,309 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:12:40,309 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:12:40,310 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:12:40,310 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:12:40,310 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:12:40,310 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:12:40,310 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:12:40,310 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:12:40,311 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 06:12:40,311 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:12:40,311 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 06:12:40,311 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 06:12:40,311 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:12:40,311 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:12:40,312 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:12:40,312 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 06:12:40,312 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:12:40,312 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 06:12:40,312 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_e8fad964-9709-425c-88eb-751108b1cd79/bin-2019/uautomizer 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 -> Automizer 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 -> 32be2810d9c37c4b52439355c8a9e3577edf70e1 [2018-11-10 06:12:40,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:12:40,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:12:40,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:12:40,359 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:12:40,359 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:12:40,360 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e8fad964-9709-425c-88eb-751108b1cd79/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c [2018-11-10 06:12:40,411 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8fad964-9709-425c-88eb-751108b1cd79/bin-2019/uautomizer/data/a4de7a52a/c3b96411a9c2434caf838672ecab4a2b/FLAG9e74d9d45 [2018-11-10 06:12:40,840 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:12:40,840 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e8fad964-9709-425c-88eb-751108b1cd79/sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c [2018-11-10 06:12:40,850 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8fad964-9709-425c-88eb-751108b1cd79/bin-2019/uautomizer/data/a4de7a52a/c3b96411a9c2434caf838672ecab4a2b/FLAG9e74d9d45 [2018-11-10 06:12:40,864 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e8fad964-9709-425c-88eb-751108b1cd79/bin-2019/uautomizer/data/a4de7a52a/c3b96411a9c2434caf838672ecab4a2b [2018-11-10 06:12:40,867 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:12:40,868 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 06:12:40,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:12:40,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:12:40,873 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:12:40,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:12:40" (1/1) ... [2018-11-10 06:12:40,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dabe3ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:12:40, skipping insertion in model container [2018-11-10 06:12:40,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:12:40" (1/1) ... [2018-11-10 06:12:40,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:12:40,924 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:12:41,189 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:12:41,193 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:12:41,273 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:12:41,285 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:12:41,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:12:41 WrapperNode [2018-11-10 06:12:41,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:12:41,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:12:41,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:12:41,287 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:12:41,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:12:41" (1/1) ... [2018-11-10 06:12:41,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:12:41" (1/1) ... [2018-11-10 06:12:41,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:12:41" (1/1) ... [2018-11-10 06:12:41,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:12:41" (1/1) ... [2018-11-10 06:12:41,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:12:41" (1/1) ... [2018-11-10 06:12:41,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:12:41" (1/1) ... [2018-11-10 06:12:41,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:12:41" (1/1) ... [2018-11-10 06:12:41,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:12:41,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:12:41,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:12:41,437 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:12:41,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:12:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8fad964-9709-425c-88eb-751108b1cd79/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-11-10 06:12:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 06:12:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:12:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-10 06:12:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 06:12:41,475 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-10 06:12:41,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 06:12:41,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 06:12:41,475 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 06:12:41,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 06:12:41,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 06:12:41,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:12:42,272 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:12:42,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:12:42 BoogieIcfgContainer [2018-11-10 06:12:42,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 06:12:42,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 06:12:42,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 06:12:42,277 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 06:12:42,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:12:40" (1/3) ... [2018-11-10 06:12:42,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@688bc447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:12:42, skipping insertion in model container [2018-11-10 06:12:42,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:12:41" (2/3) ... [2018-11-10 06:12:42,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@688bc447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:12:42, skipping insertion in model container [2018-11-10 06:12:42,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:12:42" (3/3) ... [2018-11-10 06:12:42,280 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label23_true-unreach-call_false-termination.c [2018-11-10 06:12:42,287 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 06:12:42,293 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 06:12:42,302 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 06:12:42,326 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 06:12:42,326 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 06:12:42,326 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 06:12:42,326 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 06:12:42,327 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 06:12:42,327 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 06:12:42,327 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 06:12:42,327 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 06:12:42,327 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 06:12:42,345 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-10 06:12:42,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-10 06:12:42,354 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:12:42,355 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:12:42,357 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:12:42,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:12:42,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1921053824, now seen corresponding path program 1 times [2018-11-10 06:12:42,363 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:12:42,363 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:12:42,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:12:42,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:12:42,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:12:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:12:42,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:12:42,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:12:42,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 06:12:42,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 06:12:42,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 06:12:42,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 06:12:42,710 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-10 06:12:43,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:12:43,371 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-10 06:12:43,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 06:12:43,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-11-10 06:12:43,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:12:43,384 INFO L225 Difference]: With dead ends: 550 [2018-11-10 06:12:43,384 INFO L226 Difference]: Without dead ends: 340 [2018-11-10 06:12:43,387 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 06:12:43,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-10 06:12:43,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-10 06:12:43,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-10 06:12:43,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 562 transitions. [2018-11-10 06:12:43,440 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 562 transitions. Word has length 102 [2018-11-10 06:12:43,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:12:43,441 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 562 transitions. [2018-11-10 06:12:43,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 06:12:43,442 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 562 transitions. [2018-11-10 06:12:43,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-10 06:12:43,446 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:12:43,446 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:12:43,446 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:12:43,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:12:43,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1248804383, now seen corresponding path program 1 times [2018-11-10 06:12:43,447 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:12:43,447 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:12:43,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:12:43,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:12:43,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:12:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:12:43,552 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:12:43,552 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:12:43,552 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 06:12:43,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 06:12:43,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 06:12:43,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 06:12:43,559 INFO L87 Difference]: Start difference. First operand 340 states and 562 transitions. Second operand 6 states. [2018-11-10 06:12:44,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:12:44,269 INFO L93 Difference]: Finished difference Result 888 states and 1491 transitions. [2018-11-10 06:12:44,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 06:12:44,270 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-11-10 06:12:44,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:12:44,274 INFO L225 Difference]: With dead ends: 888 [2018-11-10 06:12:44,275 INFO L226 Difference]: Without dead ends: 554 [2018-11-10 06:12:44,277 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-10 06:12:44,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-11-10 06:12:44,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 539. [2018-11-10 06:12:44,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-11-10 06:12:44,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 827 transitions. [2018-11-10 06:12:44,298 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 827 transitions. Word has length 113 [2018-11-10 06:12:44,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:12:44,298 INFO L481 AbstractCegarLoop]: Abstraction has 539 states and 827 transitions. [2018-11-10 06:12:44,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 06:12:44,298 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 827 transitions. [2018-11-10 06:12:44,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-10 06:12:44,300 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:12:44,300 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:12:44,300 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:12:44,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:12:44,301 INFO L82 PathProgramCache]: Analyzing trace with hash -2079561357, now seen corresponding path program 1 times [2018-11-10 06:12:44,301 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:12:44,301 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:12:44,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:12:44,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:12:44,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:12:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:12:44,446 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:12:44,446 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 06:12:44,446 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8fad964-9709-425c-88eb-751108b1cd79/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 06:12:44,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:12:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:12:44,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:12:44,571 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:12:44,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 06:12:44,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-10 06:12:44,599 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 06:12:44,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 06:12:44,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-10 06:12:44,599 INFO L87 Difference]: Start difference. First operand 539 states and 827 transitions. Second operand 8 states. [2018-11-10 06:12:45,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:12:45,880 INFO L93 Difference]: Finished difference Result 2026 states and 3294 transitions. [2018-11-10 06:12:45,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 06:12:45,881 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 114 [2018-11-10 06:12:45,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:12:45,887 INFO L225 Difference]: With dead ends: 2026 [2018-11-10 06:12:45,887 INFO L226 Difference]: Without dead ends: 994 [2018-11-10 06:12:45,893 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-11-10 06:12:45,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2018-11-10 06:12:45,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 972. [2018-11-10 06:12:45,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 972 states. [2018-11-10 06:12:45,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1216 transitions. [2018-11-10 06:12:45,929 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1216 transitions. Word has length 114 [2018-11-10 06:12:45,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:12:45,930 INFO L481 AbstractCegarLoop]: Abstraction has 972 states and 1216 transitions. [2018-11-10 06:12:45,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 06:12:45,930 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1216 transitions. [2018-11-10 06:12:45,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-10 06:12:45,933 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:12:45,934 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:12:45,934 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:12:45,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:12:45,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1675141633, now seen corresponding path program 1 times [2018-11-10 06:12:45,935 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:12:45,935 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:12:45,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:12:45,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:12:45,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:12:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:12:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:12:46,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:12:46,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 06:12:46,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 06:12:46,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 06:12:46,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 06:12:46,046 INFO L87 Difference]: Start difference. First operand 972 states and 1216 transitions. Second operand 3 states. [2018-11-10 06:12:46,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:12:46,476 INFO L93 Difference]: Finished difference Result 2822 states and 3626 transitions. [2018-11-10 06:12:46,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 06:12:46,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2018-11-10 06:12:46,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:12:46,485 INFO L225 Difference]: With dead ends: 2822 [2018-11-10 06:12:46,485 INFO L226 Difference]: Without dead ends: 1856 [2018-11-10 06:12:46,488 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 06:12:46,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1856 states. [2018-11-10 06:12:46,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1856 to 1848. [2018-11-10 06:12:46,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1848 states. [2018-11-10 06:12:46,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1848 states to 1848 states and 2279 transitions. [2018-11-10 06:12:46,531 INFO L78 Accepts]: Start accepts. Automaton has 1848 states and 2279 transitions. Word has length 129 [2018-11-10 06:12:46,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:12:46,531 INFO L481 AbstractCegarLoop]: Abstraction has 1848 states and 2279 transitions. [2018-11-10 06:12:46,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 06:12:46,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 2279 transitions. [2018-11-10 06:12:46,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-10 06:12:46,536 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:12:46,536 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:12:46,537 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:12:46,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:12:46,537 INFO L82 PathProgramCache]: Analyzing trace with hash 208675339, now seen corresponding path program 1 times [2018-11-10 06:12:46,537 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:12:46,537 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:12:46,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:12:46,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:12:46,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:12:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:12:46,693 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:12:46,693 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 06:12:46,693 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8fad964-9709-425c-88eb-751108b1cd79/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 06:12:46,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:12:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:12:46,761 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:12:46,790 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:12:46,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 06:12:46,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-10 06:12:46,820 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 06:12:46,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 06:12:46,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-10 06:12:46,821 INFO L87 Difference]: Start difference. First operand 1848 states and 2279 transitions. Second operand 8 states. [2018-11-10 06:12:47,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:12:47,923 INFO L93 Difference]: Finished difference Result 6966 states and 9304 transitions. [2018-11-10 06:12:47,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 06:12:47,924 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 166 [2018-11-10 06:12:47,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:12:47,925 INFO L225 Difference]: With dead ends: 6966 [2018-11-10 06:12:47,925 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 06:12:47,944 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 173 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-11-10 06:12:47,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 06:12:47,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 06:12:47,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 06:12:47,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 06:12:47,945 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 166 [2018-11-10 06:12:47,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:12:47,945 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 06:12:47,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 06:12:47,945 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 06:12:47,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 06:12:47,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 06:12:48,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:12:48,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:12:48,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:12:48,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:12:48,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:12:48,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:12:48,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:12:48,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:12:48,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:12:48,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:12:48,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:12:48,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:12:48,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:12:48,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:12:48,754 WARN L179 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 38 [2018-11-10 06:12:48,901 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 45 [2018-11-10 06:12:49,045 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 45 [2018-11-10 06:12:49,048 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 06:12:49,048 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a8~0)| ~a8~0) (= |old(~a17~0)| ~a17~0) (= |old(~a16~0)| ~a16~0)) [2018-11-10 06:12:49,048 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 06:12:49,048 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-10 06:12:49,048 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-10 06:12:49,048 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,049 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,049 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,049 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,049 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,049 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,049 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-10 06:12:49,049 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-10 06:12:49,049 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-10 06:12:49,049 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-10 06:12:49,049 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-10 06:12:49,049 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-10 06:12:49,050 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-10 06:12:49,052 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-10 06:12:49,052 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-10 06:12:49,052 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2018-11-10 06:12:49,052 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-10 06:12:49,052 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,052 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,052 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,053 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,053 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,053 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,053 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-10 06:12:49,053 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-10 06:12:49,053 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-10 06:12:49,053 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-10 06:12:49,053 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-10 06:12:49,053 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-10 06:12:49,053 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-10 06:12:49,053 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-10 06:12:49,054 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-10 06:12:49,054 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-10 06:12:49,054 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-10 06:12:49,054 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-10 06:12:49,054 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-10 06:12:49,054 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-10 06:12:49,054 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-10 06:12:49,054 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,054 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,054 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,055 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,055 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,055 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-10 06:12:49,055 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-10 06:12:49,055 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-10 06:12:49,055 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-10 06:12:49,055 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-10 06:12:49,055 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-10 06:12:49,055 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-10 06:12:49,055 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-10 06:12:49,055 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-10 06:12:49,055 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,056 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,056 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,056 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,056 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,056 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-10 06:12:49,056 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-10 06:12:49,056 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-10 06:12:49,056 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-10 06:12:49,056 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-10 06:12:49,056 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-10 06:12:49,056 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-10 06:12:49,056 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-10 06:12:49,057 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-10 06:12:49,057 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-10 06:12:49,057 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-10 06:12:49,057 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-10 06:12:49,057 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-10 06:12:49,057 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,057 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,057 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,057 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,057 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,057 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-10 06:12:49,057 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-10 06:12:49,058 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-10 06:12:49,058 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-10 06:12:49,058 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-10 06:12:49,058 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-10 06:12:49,058 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-10 06:12:49,058 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-10 06:12:49,058 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-10 06:12:49,058 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,058 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,058 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,058 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,059 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,059 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,059 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,059 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-10 06:12:49,059 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-10 06:12:49,059 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-10 06:12:49,059 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-10 06:12:49,059 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-10 06:12:49,059 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-10 06:12:49,059 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-10 06:12:49,059 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-10 06:12:49,059 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-10 06:12:49,060 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-10 06:12:49,060 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-10 06:12:49,060 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-10 06:12:49,060 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-10 06:12:49,060 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-10 06:12:49,060 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,060 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,060 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,060 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,060 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,060 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-10 06:12:49,060 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-10 06:12:49,061 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-10 06:12:49,061 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-10 06:12:49,061 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-10 06:12:49,061 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-10 06:12:49,061 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-10 06:12:49,061 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-10 06:12:49,061 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,061 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,061 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,061 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,061 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,061 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-10 06:12:49,061 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-10 06:12:49,061 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-10 06:12:49,061 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-10 06:12:49,061 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-10 06:12:49,061 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-10 06:12:49,061 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-10 06:12:49,061 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-10 06:12:49,061 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-10 06:12:49,061 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-10 06:12:49,062 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (= |old(~a8~0)| ~a8~0)) (.cse1 (= |old(~a17~0)| ~a17~0)) (.cse2 (= |old(~a16~0)| ~a16~0))) (let ((.cse3 (and .cse0 .cse1 .cse2)) (.cse4 (= 4 |old(~a16~0)|))) (and (or (and .cse0 (not (= 1 ~a20~0)) .cse1 .cse2) (= 1 |old(~a20~0)|)) (or (< 13 |old(~a8~0)|) .cse3) (or .cse3 (< 0 |old(~a17~0)|)) (or .cse4 (= 1 |old(~a17~0)|) .cse3) (or (and .cse0 .cse2) (= 15 |old(~a8~0)|)) (or .cse3 (= 6 |old(~a16~0)|) .cse4)))) [2018-11-10 06:12:49,062 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-10 06:12:49,062 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,062 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,062 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,062 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,062 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,062 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-10 06:12:49,062 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,062 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-10 06:12:49,062 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-10 06:12:49,063 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-10 06:12:49,063 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-10 06:12:49,063 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-10 06:12:49,063 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-10 06:12:49,063 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-10 06:12:49,063 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-10 06:12:49,063 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-10 06:12:49,063 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-10 06:12:49,063 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-10 06:12:49,063 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-10 06:12:49,063 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,064 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,064 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,064 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,064 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,064 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,064 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-10 06:12:49,064 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-10 06:12:49,064 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-10 06:12:49,064 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-10 06:12:49,064 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-10 06:12:49,064 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-10 06:12:49,064 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-10 06:12:49,065 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-10 06:12:49,065 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-10 06:12:49,065 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-10 06:12:49,065 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-10 06:12:49,065 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-10 06:12:49,065 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-10 06:12:49,065 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-10 06:12:49,065 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-10 06:12:49,065 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,065 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,065 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,065 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,066 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,066 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-10 06:12:49,066 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-10 06:12:49,066 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-10 06:12:49,066 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-10 06:12:49,066 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-10 06:12:49,066 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-10 06:12:49,066 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-10 06:12:49,066 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-10 06:12:49,066 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-10 06:12:49,066 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-10 06:12:49,066 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-10 06:12:49,067 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 06:12:49,067 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a16~0 6)) (<= 1 ~a17~0) (not (= ~a8~0 13)) (not (= ~a16~0 4))) [2018-11-10 06:12:49,067 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 06:12:49,067 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 06:12:49,067 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (and (= |old(~a8~0)| ~a8~0) (= |old(~a17~0)| ~a17~0) (= |old(~a16~0)| ~a16~0)) (= 6 |old(~a16~0)|) (= 4 |old(~a16~0)|) (= 13 |old(~a8~0)|) (< |old(~a17~0)| 1)) [2018-11-10 06:12:49,067 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-10 06:12:49,067 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a8~0 15)))) (let ((.cse3 (not (= ~a16~0 4))) (.cse2 (or (= |old(~a8~0)| ~a8~0) .cse0)) (.cse1 (not (= ~a8~0 13)))) (or (and .cse0 .cse1) (and (not (= 1 ~a20~0)) .cse2 .cse1) (= 6 |old(~a16~0)|) (and .cse2 (not (= ~a17~0 1)) .cse1 .cse3) (and (= |old(~a17~0)| ~a17~0) (and .cse2 (not (= ~a16~0 6)) .cse1 .cse3)) (= 13 |old(~a8~0)|) (< |old(~a17~0)| 1) (and (= 13 ~a8~0) (= |old(~a8~0)| 15)) (and .cse2 (<= ~a17~0 0) (= |old(~a17~0)| 1) .cse1) (= 4 |old(~a16~0)|)))) [2018-11-10 06:12:49,067 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-10 06:12:49,068 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-10 06:12:49,068 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-10 06:12:49,068 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a8~0 15)))) (let ((.cse3 (not (= ~a16~0 4))) (.cse2 (or (= |old(~a8~0)| ~a8~0) .cse0)) (.cse1 (not (= ~a8~0 13)))) (or (and .cse0 .cse1) (and (not (= 1 ~a20~0)) .cse2 .cse1) (= 6 |old(~a16~0)|) (and .cse2 (not (= ~a17~0 1)) .cse1 .cse3) (and (= |old(~a17~0)| ~a17~0) (and .cse2 (not (= ~a16~0 6)) .cse1 .cse3)) (= 13 |old(~a8~0)|) (< |old(~a17~0)| 1) (and (= 13 ~a8~0) (= |old(~a8~0)| 15)) (and .cse2 (<= ~a17~0 0) (= |old(~a17~0)| 1) .cse1) (= 4 |old(~a16~0)|)))) [2018-11-10 06:12:49,068 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-10 06:12:49,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:12:49 BoogieIcfgContainer [2018-11-10 06:12:49,081 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 06:12:49,081 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 06:12:49,081 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 06:12:49,082 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 06:12:49,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:12:42" (3/4) ... [2018-11-10 06:12:49,086 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 06:12:49,093 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 06:12:49,093 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-10 06:12:49,094 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 06:12:49,103 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 06:12:49,104 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 06:12:49,130 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(a8 == 15) && !(a8 == 13)) || ((!(1 == a20) && (\old(a8) == a8 || !(a8 == 15))) && !(a8 == 13))) || 6 == \old(a16)) || ((((\old(a8) == a8 || !(a8 == 15)) && !(a17 == 1)) && !(a8 == 13)) && !(a16 == 4))) || (\old(a17) == a17 && (((\old(a8) == a8 || !(a8 == 15)) && !(a16 == 6)) && !(a8 == 13)) && !(a16 == 4))) || 13 == \old(a8)) || \old(a17) < 1) || (13 == a8 && \old(a8) == 15)) || ((((\old(a8) == a8 || !(a8 == 15)) && a17 <= 0) && \old(a17) == 1) && !(a8 == 13))) || 4 == \old(a16) [2018-11-10 06:12:49,208 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e8fad964-9709-425c-88eb-751108b1cd79/bin-2019/uautomizer/witness.graphml [2018-11-10 06:12:49,208 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 06:12:49,209 INFO L168 Benchmark]: Toolchain (without parser) took 8342.04 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 330.8 MB). Free memory was 952.2 MB in the beginning and 950.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 332.3 MB. Max. memory is 11.5 GB. [2018-11-10 06:12:49,210 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:12:49,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.33 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 917.3 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 06:12:49,211 INFO L168 Benchmark]: Boogie Preprocessor took 149.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 917.3 MB in the beginning and 1.1 GB in the end (delta: -223.2 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-10 06:12:49,211 INFO L168 Benchmark]: RCFGBuilder took 837.14 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: 101.5 MB). Peak memory consumption was 101.5 MB. Max. memory is 11.5 GB. [2018-11-10 06:12:49,211 INFO L168 Benchmark]: TraceAbstraction took 6806.72 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 177.7 MB). Free memory was 1.0 GB in the beginning and 967.1 MB in the end (delta: 71.9 MB). Peak memory consumption was 249.6 MB. Max. memory is 11.5 GB. [2018-11-10 06:12:49,212 INFO L168 Benchmark]: Witness Printer took 127.16 ms. Allocated memory is still 1.4 GB. Free memory was 967.1 MB in the beginning and 950.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-11-10 06:12:49,213 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 417.33 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 917.3 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 149.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 917.3 MB in the beginning and 1.1 GB in the end (delta: -223.2 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 837.14 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: 101.5 MB). Peak memory consumption was 101.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6806.72 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 177.7 MB). Free memory was 1.0 GB in the beginning and 967.1 MB in the end (delta: 71.9 MB). Peak memory consumption was 249.6 MB. Max. memory is 11.5 GB. * Witness Printer took 127.16 ms. Allocated memory is still 1.4 GB. Free memory was 967.1 MB in the beginning and 950.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((!(a8 == 15) && !(a8 == 13)) || ((!(1 == a20) && (\old(a8) == a8 || !(a8 == 15))) && !(a8 == 13))) || 6 == \old(a16)) || ((((\old(a8) == a8 || !(a8 == 15)) && !(a17 == 1)) && !(a8 == 13)) && !(a16 == 4))) || (\old(a17) == a17 && (((\old(a8) == a8 || !(a8 == 15)) && !(a16 == 6)) && !(a8 == 13)) && !(a16 == 4))) || 13 == \old(a8)) || \old(a17) < 1) || (13 == a8 && \old(a8) == 15)) || ((((\old(a8) == a8 || !(a8 == 15)) && a17 <= 0) && \old(a17) == 1) && !(a8 == 13))) || 4 == \old(a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 6.7s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 672 SDtfs, 2661 SDslu, 471 SDs, 0 SdLazy, 4669 SolverSat, 942 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 336 GetRequests, 300 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1848occurred in iteration=4, traceCheckStatistics: No data available, 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 45 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 104 PreInvPairs, 252 NumberOfFragments, 369 HoareAnnotationTreeSize, 104 FomulaSimplifications, 4180 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2753 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 904 NumberOfCodeBlocks, 904 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 897 ConstructedInterpolants, 0 QuantifiedInterpolants, 402148 SizeOfPredicates, 4 NumberOfNonLiveVariables, 750 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 160/172 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...