./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label49_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dffb36a3-874a-48cf-8a47-3f85c1ff06dc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dffb36a3-874a-48cf-8a47-3f85c1ff06dc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dffb36a3-874a-48cf-8a47-3f85c1ff06dc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dffb36a3-874a-48cf-8a47-3f85c1ff06dc/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label49_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dffb36a3-874a-48cf-8a47-3f85c1ff06dc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dffb36a3-874a-48cf-8a47-3f85c1ff06dc/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 19252d9b977a1b2caf6b350b292ab440fef944ce ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:55:27,645 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:55:27,646 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:55:27,652 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:55:27,653 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:55:27,653 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:55:27,654 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:55:27,655 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:55:27,656 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:55:27,657 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:55:27,658 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:55:27,658 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:55:27,658 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:55:27,659 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:55:27,660 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:55:27,661 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:55:27,661 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:55:27,662 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:55:27,664 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:55:27,665 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:55:27,666 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:55:27,667 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:55:27,669 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:55:27,669 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:55:27,669 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:55:27,670 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:55:27,670 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:55:27,671 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:55:27,672 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:55:27,673 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:55:27,673 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:55:27,673 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:55:27,673 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:55:27,674 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:55:27,674 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:55:27,675 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:55:27,675 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dffb36a3-874a-48cf-8a47-3f85c1ff06dc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:55:27,690 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:55:27,690 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:55:27,691 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:55:27,691 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:55:27,691 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:55:27,691 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:55:27,691 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:55:27,692 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:55:27,692 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:55:27,692 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:55:27,692 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:55:27,692 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:55:27,692 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:55:27,693 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:55:27,693 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:55:27,693 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:55:27,693 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:55:27,694 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:55:27,694 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:55:27,694 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:55:27,694 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:55:27,694 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:55:27,694 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:55:27,694 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:55:27,695 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:55:27,695 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:55:27,695 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:55:27,695 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:55:27,695 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:55:27,695 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:55:27,695 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:55:27,696 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:55:27,696 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:55:27,696 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:55:27,696 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:55:27,696 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:55:27,696 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:55:27,696 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_dffb36a3-874a-48cf-8a47-3f85c1ff06dc/bin-2019/utaipan 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 -> Taipan 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 -> 19252d9b977a1b2caf6b350b292ab440fef944ce [2018-11-18 11:55:27,720 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:55:27,729 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:55:27,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:55:27,733 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:55:27,733 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:55:27,733 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dffb36a3-874a-48cf-8a47-3f85c1ff06dc/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label49_true-unreach-call_false-termination.c [2018-11-18 11:55:27,772 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dffb36a3-874a-48cf-8a47-3f85c1ff06dc/bin-2019/utaipan/data/9bbeed498/03ab88c2bcf74e55870224c69ff924da/FLAG48a5821ee [2018-11-18 11:55:28,148 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:55:28,149 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dffb36a3-874a-48cf-8a47-3f85c1ff06dc/sv-benchmarks/c/eca-rers2012/Problem14_label49_true-unreach-call_false-termination.c [2018-11-18 11:55:28,159 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dffb36a3-874a-48cf-8a47-3f85c1ff06dc/bin-2019/utaipan/data/9bbeed498/03ab88c2bcf74e55870224c69ff924da/FLAG48a5821ee [2018-11-18 11:55:28,170 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dffb36a3-874a-48cf-8a47-3f85c1ff06dc/bin-2019/utaipan/data/9bbeed498/03ab88c2bcf74e55870224c69ff924da [2018-11-18 11:55:28,173 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:55:28,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:55:28,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:55:28,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:55:28,178 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:55:28,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:55:28" (1/1) ... [2018-11-18 11:55:28,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75654020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:28, skipping insertion in model container [2018-11-18 11:55:28,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:55:28" (1/1) ... [2018-11-18 11:55:28,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:55:28,231 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:55:28,483 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:55:28,486 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:55:28,571 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:55:28,579 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:55:28,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:28 WrapperNode [2018-11-18 11:55:28,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:55:28,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:55:28,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:55:28,581 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:55:28,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:28" (1/1) ... [2018-11-18 11:55:28,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:28" (1/1) ... [2018-11-18 11:55:28,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:55:28,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:55:28,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:55:28,657 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:55:28,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:28" (1/1) ... [2018-11-18 11:55:28,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:28" (1/1) ... [2018-11-18 11:55:28,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:28" (1/1) ... [2018-11-18 11:55:28,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:28" (1/1) ... [2018-11-18 11:55:28,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:28" (1/1) ... [2018-11-18 11:55:28,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:28" (1/1) ... [2018-11-18 11:55:28,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:28" (1/1) ... [2018-11-18 11:55:28,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:55:28,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:55:28,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:55:28,711 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:55:28,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dffb36a3-874a-48cf-8a47-3f85c1ff06dc/bin-2019/utaipan/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 [2018-11-18 11:55:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:55:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:55:28,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:55:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 11:55:28,750 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 11:55:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:55:28,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:55:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:55:28,751 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:55:29,691 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:55:29,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:55:29 BoogieIcfgContainer [2018-11-18 11:55:29,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:55:29,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:55:29,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:55:29,694 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:55:29,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:55:28" (1/3) ... [2018-11-18 11:55:29,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324e5a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:55:29, skipping insertion in model container [2018-11-18 11:55:29,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:28" (2/3) ... [2018-11-18 11:55:29,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324e5a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:55:29, skipping insertion in model container [2018-11-18 11:55:29,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:55:29" (3/3) ... [2018-11-18 11:55:29,697 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label49_true-unreach-call_false-termination.c [2018-11-18 11:55:29,703 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:55:29,709 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:55:29,719 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:55:29,741 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:55:29,741 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:55:29,742 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:55:29,742 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:55:29,742 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:55:29,742 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:55:29,742 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:55:29,742 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:55:29,760 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-11-18 11:55:29,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 11:55:29,766 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:55:29,766 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] [2018-11-18 11:55:29,768 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:55:29,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:55:29,772 INFO L82 PathProgramCache]: Analyzing trace with hash -825405036, now seen corresponding path program 1 times [2018-11-18 11:55:29,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:55:29,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:55:29,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:55:29,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:55:29,804 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:55:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:30,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:55:30,007 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:55:30,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:55:30,008 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:55:30,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 11:55:30,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:55:30,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:55:30,022 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 4 states. [2018-11-18 11:55:31,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:55:31,039 INFO L93 Difference]: Finished difference Result 894 states and 1611 transitions. [2018-11-18 11:55:31,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:55:31,040 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-11-18 11:55:31,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:55:31,053 INFO L225 Difference]: With dead ends: 894 [2018-11-18 11:55:31,053 INFO L226 Difference]: Without dead ends: 633 [2018-11-18 11:55:31,057 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:55:31,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2018-11-18 11:55:31,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633. [2018-11-18 11:55:31,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2018-11-18 11:55:31,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 962 transitions. [2018-11-18 11:55:31,110 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 962 transitions. Word has length 66 [2018-11-18 11:55:31,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:55:31,111 INFO L480 AbstractCegarLoop]: Abstraction has 633 states and 962 transitions. [2018-11-18 11:55:31,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 11:55:31,111 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 962 transitions. [2018-11-18 11:55:31,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 11:55:31,118 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:55:31,118 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:55:31,119 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:55:31,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:55:31,119 INFO L82 PathProgramCache]: Analyzing trace with hash 965459243, now seen corresponding path program 1 times [2018-11-18 11:55:31,119 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:55:31,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:55:31,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:55:31,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:55:31,121 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:55:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:31,274 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:55:31,274 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:55:31,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:55:31,275 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:55:31,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 11:55:31,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:55:31,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:55:31,277 INFO L87 Difference]: Start difference. First operand 633 states and 962 transitions. Second operand 4 states. [2018-11-18 11:55:32,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:55:32,122 INFO L93 Difference]: Finished difference Result 2358 states and 3743 transitions. [2018-11-18 11:55:32,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:55:32,123 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 179 [2018-11-18 11:55:32,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:55:32,132 INFO L225 Difference]: With dead ends: 2358 [2018-11-18 11:55:32,132 INFO L226 Difference]: Without dead ends: 1731 [2018-11-18 11:55:32,136 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:55:32,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2018-11-18 11:55:32,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1731. [2018-11-18 11:55:32,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1731 states. [2018-11-18 11:55:32,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 2521 transitions. [2018-11-18 11:55:32,178 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 2521 transitions. Word has length 179 [2018-11-18 11:55:32,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:55:32,179 INFO L480 AbstractCegarLoop]: Abstraction has 1731 states and 2521 transitions. [2018-11-18 11:55:32,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 11:55:32,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2521 transitions. [2018-11-18 11:55:32,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 11:55:32,186 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:55:32,187 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 11:55:32,187 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:55:32,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:55:32,187 INFO L82 PathProgramCache]: Analyzing trace with hash 747473196, now seen corresponding path program 1 times [2018-11-18 11:55:32,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:55:32,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:55:32,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:55:32,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:55:32,189 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:55:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:32,368 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 200 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:55:32,369 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:55:32,369 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:55:32,369 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 263 with the following transitions: [2018-11-18 11:55:32,371 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [662], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:55:32,402 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:55:32,402 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:55:32,660 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:55:32,661 INFO L272 AbstractInterpreter]: Visited 117 different actions 117 times. Never merged. Never widened. Performed 1020 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1020 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 11:55:32,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:55:32,691 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:55:32,957 INFO L227 lantSequenceWeakener]: Weakened 253 states. On average, predicates are now at 78.17% of their original sizes. [2018-11-18 11:55:32,957 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:55:32,996 INFO L415 sIntCurrentIteration]: We unified 261 AI predicates to 261 [2018-11-18 11:55:32,997 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:55:32,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:55:32,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 11:55:32,998 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:55:32,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:55:32,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:55:32,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:55:32,999 INFO L87 Difference]: Start difference. First operand 1731 states and 2521 transitions. Second operand 6 states. [2018-11-18 11:55:47,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:55:47,595 INFO L93 Difference]: Finished difference Result 3641 states and 5276 transitions. [2018-11-18 11:55:47,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:55:47,595 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 262 [2018-11-18 11:55:47,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:55:47,600 INFO L225 Difference]: With dead ends: 3641 [2018-11-18 11:55:47,601 INFO L226 Difference]: Without dead ends: 1916 [2018-11-18 11:55:47,603 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 262 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:55:47,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2018-11-18 11:55:47,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1914. [2018-11-18 11:55:47,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1914 states. [2018-11-18 11:55:47,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2711 transitions. [2018-11-18 11:55:47,629 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2711 transitions. Word has length 262 [2018-11-18 11:55:47,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:55:47,630 INFO L480 AbstractCegarLoop]: Abstraction has 1914 states and 2711 transitions. [2018-11-18 11:55:47,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:55:47,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2711 transitions. [2018-11-18 11:55:47,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-11-18 11:55:47,634 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:55:47,634 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 11:55:47,635 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:55:47,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:55:47,635 INFO L82 PathProgramCache]: Analyzing trace with hash -178374725, now seen corresponding path program 1 times [2018-11-18 11:55:47,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:55:47,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:55:47,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:55:47,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:55:47,636 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:55:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:48,112 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 264 proven. 161 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:55:48,112 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:55:48,113 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:55:48,113 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 348 with the following transitions: [2018-11-18 11:55:48,113 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [662], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:55:48,117 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:55:48,117 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:55:48,236 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:55:48,236 INFO L272 AbstractInterpreter]: Visited 121 different actions 235 times. Merged at 4 different actions 4 times. Never widened. Performed 2099 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2099 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 11:55:48,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:55:48,242 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:55:48,471 INFO L227 lantSequenceWeakener]: Weakened 344 states. On average, predicates are now at 78.01% of their original sizes. [2018-11-18 11:55:48,471 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:55:48,529 INFO L415 sIntCurrentIteration]: We unified 346 AI predicates to 346 [2018-11-18 11:55:48,529 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:55:48,529 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:55:48,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2018-11-18 11:55:48,529 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:55:48,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:55:48,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:55:48,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:55:48,530 INFO L87 Difference]: Start difference. First operand 1914 states and 2711 transitions. Second operand 10 states. [2018-11-18 11:56:42,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:56:42,255 INFO L93 Difference]: Finished difference Result 4387 states and 6180 transitions. [2018-11-18 11:56:42,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 11:56:42,255 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 347 [2018-11-18 11:56:42,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:56:42,262 INFO L225 Difference]: With dead ends: 4387 [2018-11-18 11:56:42,263 INFO L226 Difference]: Without dead ends: 2662 [2018-11-18 11:56:42,266 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 355 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:56:42,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2662 states. [2018-11-18 11:56:42,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2662 to 2659. [2018-11-18 11:56:42,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2659 states. [2018-11-18 11:56:42,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 2659 states and 3544 transitions. [2018-11-18 11:56:42,301 INFO L78 Accepts]: Start accepts. Automaton has 2659 states and 3544 transitions. Word has length 347 [2018-11-18 11:56:42,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:56:42,302 INFO L480 AbstractCegarLoop]: Abstraction has 2659 states and 3544 transitions. [2018-11-18 11:56:42,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:56:42,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2659 states and 3544 transitions. [2018-11-18 11:56:42,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2018-11-18 11:56:42,307 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:56:42,307 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 11:56:42,308 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:56:42,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:56:42,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1292754080, now seen corresponding path program 1 times [2018-11-18 11:56:42,308 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:56:42,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:56:42,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:56:42,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:56:42,309 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:56:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:42,461 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 352 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-18 11:56:42,461 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:56:42,461 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:56:42,462 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 399 with the following transitions: [2018-11-18 11:56:42,462 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:56:42,466 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:56:42,466 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:56:42,642 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:56:42,642 INFO L272 AbstractInterpreter]: Visited 143 different actions 280 times. Merged at 5 different actions 5 times. Never widened. Performed 2652 root evaluator evaluations with a maximum evaluation depth of 13. Performed 2652 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 11:56:42,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:56:42,654 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:56:42,868 INFO L227 lantSequenceWeakener]: Weakened 395 states. On average, predicates are now at 77.91% of their original sizes. [2018-11-18 11:56:42,868 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:56:42,921 INFO L415 sIntCurrentIteration]: We unified 397 AI predicates to 397 [2018-11-18 11:56:42,921 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:56:42,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:56:42,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-18 11:56:42,922 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:56:42,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:56:42,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:56:42,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:56:42,923 INFO L87 Difference]: Start difference. First operand 2659 states and 3544 transitions. Second operand 10 states. [2018-11-18 11:56:56,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:56:56,561 INFO L93 Difference]: Finished difference Result 5317 states and 7130 transitions. [2018-11-18 11:56:56,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 11:56:56,561 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 398 [2018-11-18 11:56:56,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:56:56,571 INFO L225 Difference]: With dead ends: 5317 [2018-11-18 11:56:56,571 INFO L226 Difference]: Without dead ends: 2847 [2018-11-18 11:56:56,577 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 405 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 11:56:56,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2847 states. [2018-11-18 11:56:56,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2847 to 2844. [2018-11-18 11:56:56,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2844 states. [2018-11-18 11:56:56,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2844 states to 2844 states and 3743 transitions. [2018-11-18 11:56:56,627 INFO L78 Accepts]: Start accepts. Automaton has 2844 states and 3743 transitions. Word has length 398 [2018-11-18 11:56:56,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:56:56,628 INFO L480 AbstractCegarLoop]: Abstraction has 2844 states and 3743 transitions. [2018-11-18 11:56:56,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:56:56,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2844 states and 3743 transitions. [2018-11-18 11:56:56,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-11-18 11:56:56,636 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:56:56,636 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:56:56,636 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:56:56,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:56:56,637 INFO L82 PathProgramCache]: Analyzing trace with hash -734433773, now seen corresponding path program 1 times [2018-11-18 11:56:56,637 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:56:56,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:56:56,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:56:56,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:56:56,638 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:56:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:56,918 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 315 proven. 124 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 11:56:56,918 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:56:56,919 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:56:56,919 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 400 with the following transitions: [2018-11-18 11:56:56,919 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:56:56,921 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:56:56,921 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:57:00,557 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:57:00,558 INFO L272 AbstractInterpreter]: Visited 121 different actions 356 times. Merged at 7 different actions 15 times. Never widened. Performed 3328 root evaluator evaluations with a maximum evaluation depth of 21. Performed 3328 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 11:57:00,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:00,559 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:57:01,171 INFO L227 lantSequenceWeakener]: Weakened 396 states. On average, predicates are now at 80.56% of their original sizes. [2018-11-18 11:57:01,171 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:57:01,228 INFO L415 sIntCurrentIteration]: We unified 398 AI predicates to 398 [2018-11-18 11:57:01,228 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:57:01,228 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:57:01,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2018-11-18 11:57:01,229 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:57:01,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:57:01,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:57:01,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:57:01,229 INFO L87 Difference]: Start difference. First operand 2844 states and 3743 transitions. Second operand 9 states. [2018-11-18 11:57:20,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:57:20,027 INFO L93 Difference]: Finished difference Result 5999 states and 8260 transitions. [2018-11-18 11:57:20,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 11:57:20,027 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 399 [2018-11-18 11:57:20,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:57:20,033 INFO L225 Difference]: With dead ends: 5999 [2018-11-18 11:57:20,033 INFO L226 Difference]: Without dead ends: 3529 [2018-11-18 11:57:20,037 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 405 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 11:57:20,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3529 states. [2018-11-18 11:57:20,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3529 to 3499. [2018-11-18 11:57:20,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3499 states. [2018-11-18 11:57:20,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3499 states to 3499 states and 4548 transitions. [2018-11-18 11:57:20,075 INFO L78 Accepts]: Start accepts. Automaton has 3499 states and 4548 transitions. Word has length 399 [2018-11-18 11:57:20,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:57:20,075 INFO L480 AbstractCegarLoop]: Abstraction has 3499 states and 4548 transitions. [2018-11-18 11:57:20,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:57:20,075 INFO L276 IsEmpty]: Start isEmpty. Operand 3499 states and 4548 transitions. [2018-11-18 11:57:20,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2018-11-18 11:57:20,083 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:57:20,083 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:57:20,083 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:57:20,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:20,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1099351772, now seen corresponding path program 1 times [2018-11-18 11:57:20,084 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:57:20,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:20,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:57:20,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:20,085 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:57:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:20,259 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 546 proven. 2 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2018-11-18 11:57:20,260 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:57:20,260 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:57:20,260 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 485 with the following transitions: [2018-11-18 11:57:20,260 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:57:20,262 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:57:20,262 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:57:26,872 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:57:26,872 INFO L272 AbstractInterpreter]: Visited 123 different actions 488 times. Merged at 9 different actions 32 times. Never widened. Performed 4584 root evaluator evaluations with a maximum evaluation depth of 21. Performed 4584 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 9 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 11:57:26,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:26,879 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:57:26,879 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:57:26,879 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dffb36a3-874a-48cf-8a47-3f85c1ff06dc/bin-2019/utaipan/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 [2018-11-18 11:57:26,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:57:26,885 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:57:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:26,979 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:57:27,126 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 546 proven. 2 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2018-11-18 11:57:27,126 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:57:27,327 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 546 proven. 2 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2018-11-18 11:57:27,343 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:57:27,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 11:57:27,343 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:57:27,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:57:27,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:57:27,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:57:27,345 INFO L87 Difference]: Start difference. First operand 3499 states and 4548 transitions. Second operand 9 states. [2018-11-18 11:57:30,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:57:30,943 INFO L93 Difference]: Finished difference Result 10956 states and 16295 transitions. [2018-11-18 11:57:30,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-11-18 11:57:30,944 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 484 [2018-11-18 11:57:30,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:57:30,973 INFO L225 Difference]: With dead ends: 10956 [2018-11-18 11:57:30,974 INFO L226 Difference]: Without dead ends: 7462 [2018-11-18 11:57:30,991 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 993 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=425, Invalid=1555, Unknown=0, NotChecked=0, Total=1980 [2018-11-18 11:57:30,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7462 states. [2018-11-18 11:57:31,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7462 to 7421. [2018-11-18 11:57:31,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7421 states. [2018-11-18 11:57:31,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7421 states to 7421 states and 10201 transitions. [2018-11-18 11:57:31,152 INFO L78 Accepts]: Start accepts. Automaton has 7421 states and 10201 transitions. Word has length 484 [2018-11-18 11:57:31,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:57:31,153 INFO L480 AbstractCegarLoop]: Abstraction has 7421 states and 10201 transitions. [2018-11-18 11:57:31,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:57:31,153 INFO L276 IsEmpty]: Start isEmpty. Operand 7421 states and 10201 transitions. [2018-11-18 11:57:31,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2018-11-18 11:57:31,177 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:57:31,178 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:57:31,178 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:57:31,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:31,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1691327639, now seen corresponding path program 1 times [2018-11-18 11:57:31,178 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:57:31,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:31,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:57:31,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:31,179 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:57:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:31,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1174 backedges. 681 proven. 2 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2018-11-18 11:57:31,419 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:57:31,419 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:57:31,419 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 558 with the following transitions: [2018-11-18 11:57:31,419 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:57:31,421 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:57:31,421 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:57:35,522 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:57:35,522 INFO L272 AbstractInterpreter]: Visited 124 different actions 487 times. Merged at 9 different actions 27 times. Never widened. Performed 4657 root evaluator evaluations with a maximum evaluation depth of 21. Performed 4657 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 11:57:35,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:35,530 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:57:35,530 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:57:35,530 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dffb36a3-874a-48cf-8a47-3f85c1ff06dc/bin-2019/utaipan/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 [2018-11-18 11:57:35,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:57:35,537 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:57:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:35,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:57:35,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1174 backedges. 681 proven. 2 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2018-11-18 11:57:35,747 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:57:35,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1174 backedges. 681 proven. 2 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2018-11-18 11:57:35,952 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:57:35,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 11:57:35,953 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:57:35,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:57:35,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:57:35,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 11:57:35,953 INFO L87 Difference]: Start difference. First operand 7421 states and 10201 transitions. Second operand 9 states. [2018-11-18 11:57:37,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:57:37,304 INFO L93 Difference]: Finished difference Result 15464 states and 22474 transitions. [2018-11-18 11:57:37,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 11:57:37,304 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 557 [2018-11-18 11:57:37,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:57:37,328 INFO L225 Difference]: With dead ends: 15464 [2018-11-18 11:57:37,328 INFO L226 Difference]: Without dead ends: 7084 [2018-11-18 11:57:37,353 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1135 GetRequests, 1117 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:57:37,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7084 states. [2018-11-18 11:57:37,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7084 to 6945. [2018-11-18 11:57:37,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6945 states. [2018-11-18 11:57:37,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6945 states to 6945 states and 9068 transitions. [2018-11-18 11:57:37,457 INFO L78 Accepts]: Start accepts. Automaton has 6945 states and 9068 transitions. Word has length 557 [2018-11-18 11:57:37,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:57:37,457 INFO L480 AbstractCegarLoop]: Abstraction has 6945 states and 9068 transitions. [2018-11-18 11:57:37,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:57:37,458 INFO L276 IsEmpty]: Start isEmpty. Operand 6945 states and 9068 transitions. [2018-11-18 11:57:37,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2018-11-18 11:57:37,468 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:57:37,468 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:57:37,469 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:57:37,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:37,469 INFO L82 PathProgramCache]: Analyzing trace with hash -803429837, now seen corresponding path program 1 times [2018-11-18 11:57:37,469 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:57:37,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:37,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:57:37,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:37,470 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:57:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:38,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 615 proven. 411 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-11-18 11:57:38,045 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:57:38,045 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:57:38,045 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 562 with the following transitions: [2018-11-18 11:57:38,045 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:57:38,047 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:57:38,047 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:57:45,514 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:57:45,515 INFO L272 AbstractInterpreter]: Visited 125 different actions 497 times. Merged at 9 different actions 33 times. Never widened. Performed 4823 root evaluator evaluations with a maximum evaluation depth of 22. Performed 4823 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 8 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 11:57:45,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:45,518 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:57:45,518 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:57:45,518 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dffb36a3-874a-48cf-8a47-3f85c1ff06dc/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:57:45,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:57:45,524 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:57:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:45,588 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:57:45,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2018-11-18 11:57:45,675 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:57:45,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2018-11-18 11:57:45,793 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:57:45,793 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [14] total 16 [2018-11-18 11:57:45,793 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:57:45,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:57:45,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:57:45,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2018-11-18 11:57:45,793 INFO L87 Difference]: Start difference. First operand 6945 states and 9068 transitions. Second operand 3 states. [2018-11-18 11:57:46,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:57:46,289 INFO L93 Difference]: Finished difference Result 18067 states and 25460 transitions. [2018-11-18 11:57:46,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:57:46,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 561 [2018-11-18 11:57:46,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:57:46,333 INFO L225 Difference]: With dead ends: 18067 [2018-11-18 11:57:46,333 INFO L226 Difference]: Without dead ends: 11311 [2018-11-18 11:57:46,370 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1137 GetRequests, 1123 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2018-11-18 11:57:46,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11311 states. [2018-11-18 11:57:46,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11311 to 10945. [2018-11-18 11:57:46,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10945 states. [2018-11-18 11:57:46,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10945 states to 10945 states and 14297 transitions. [2018-11-18 11:57:46,573 INFO L78 Accepts]: Start accepts. Automaton has 10945 states and 14297 transitions. Word has length 561 [2018-11-18 11:57:46,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:57:46,574 INFO L480 AbstractCegarLoop]: Abstraction has 10945 states and 14297 transitions. [2018-11-18 11:57:46,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:57:46,574 INFO L276 IsEmpty]: Start isEmpty. Operand 10945 states and 14297 transitions. [2018-11-18 11:57:46,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2018-11-18 11:57:46,596 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:57:46,596 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:57:46,596 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:57:46,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:46,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1535827519, now seen corresponding path program 1 times [2018-11-18 11:57:46,597 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:57:46,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:46,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:57:46,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:46,597 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:57:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:47,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1210 backedges. 600 proven. 429 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-11-18 11:57:47,278 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:57:47,278 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:57:47,278 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 570 with the following transitions: [2018-11-18 11:57:47,278 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [598], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:57:47,280 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:57:47,280 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:57:51,368 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:57:51,368 INFO L272 AbstractInterpreter]: Visited 124 different actions 494 times. Merged at 10 different actions 34 times. Never widened. Performed 4709 root evaluator evaluations with a maximum evaluation depth of 21. Performed 4709 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 11:57:51,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:51,374 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:57:51,374 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:57:51,374 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dffb36a3-874a-48cf-8a47-3f85c1ff06dc/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:57:51,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:57:51,380 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:57:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:51,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:57:51,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1210 backedges. 693 proven. 2 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2018-11-18 11:57:51,640 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:57:51,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1210 backedges. 693 proven. 2 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2018-11-18 11:57:51,815 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:57:51,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 19 [2018-11-18 11:57:51,815 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:57:51,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 11:57:51,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 11:57:51,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:57:51,816 INFO L87 Difference]: Start difference. First operand 10945 states and 14297 transitions. Second operand 17 states. [2018-11-18 11:57:55,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:57:55,173 INFO L93 Difference]: Finished difference Result 21327 states and 29185 transitions. [2018-11-18 11:57:55,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-11-18 11:57:55,173 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 569 [2018-11-18 11:57:55,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:57:55,185 INFO L225 Difference]: With dead ends: 21327 [2018-11-18 11:57:55,185 INFO L226 Difference]: Without dead ends: 4194 [2018-11-18 11:57:55,262 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1225 GetRequests, 1159 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1325 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=937, Invalid=3485, Unknown=0, NotChecked=0, Total=4422 [2018-11-18 11:57:55,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4194 states. [2018-11-18 11:57:55,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4194 to 3798. [2018-11-18 11:57:55,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3798 states. [2018-11-18 11:57:55,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3798 states to 3798 states and 4107 transitions. [2018-11-18 11:57:55,332 INFO L78 Accepts]: Start accepts. Automaton has 3798 states and 4107 transitions. Word has length 569 [2018-11-18 11:57:55,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:57:55,333 INFO L480 AbstractCegarLoop]: Abstraction has 3798 states and 4107 transitions. [2018-11-18 11:57:55,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 11:57:55,333 INFO L276 IsEmpty]: Start isEmpty. Operand 3798 states and 4107 transitions. [2018-11-18 11:57:55,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2018-11-18 11:57:55,341 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:57:55,341 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 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] [2018-11-18 11:57:55,341 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:57:55,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:55,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1628065225, now seen corresponding path program 1 times [2018-11-18 11:57:55,342 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:57:55,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:55,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:57:55,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:55,342 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:57:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:55,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 537 proven. 262 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2018-11-18 11:57:55,749 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:57:55,749 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:57:55,750 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 734 with the following transitions: [2018-11-18 11:57:55,750 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [638], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [854], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:57:55,752 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:57:55,752 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:57:59,809 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:57:59,809 INFO L272 AbstractInterpreter]: Visited 192 different actions 772 times. Merged at 10 different actions 40 times. Widened at 1 different actions 1 times. Performed 8351 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8351 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 9 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 11:57:59,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:59,814 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:57:59,814 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:57:59,814 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dffb36a3-874a-48cf-8a47-3f85c1ff06dc/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:57:59,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:57:59,820 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:57:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:59,913 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:58:00,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 1096 proven. 2 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2018-11-18 11:58:00,075 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:58:00,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 537 proven. 262 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2018-11-18 11:58:00,379 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:58:00,379 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2018-11-18 11:58:00,379 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:58:00,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:58:00,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:58:00,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-11-18 11:58:00,381 INFO L87 Difference]: Start difference. First operand 3798 states and 4107 transitions. Second operand 10 states. [2018-11-18 11:58:01,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:58:01,241 INFO L93 Difference]: Finished difference Result 9650 states and 10743 transitions. [2018-11-18 11:58:01,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 11:58:01,242 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 733 [2018-11-18 11:58:01,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:58:01,252 INFO L225 Difference]: With dead ends: 9650 [2018-11-18 11:58:01,252 INFO L226 Difference]: Without dead ends: 6039 [2018-11-18 11:58:01,257 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1497 GetRequests, 1473 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=162, Invalid=390, Unknown=0, NotChecked=0, Total=552 [2018-11-18 11:58:01,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6039 states. [2018-11-18 11:58:01,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6039 to 5916. [2018-11-18 11:58:01,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5916 states. [2018-11-18 11:58:01,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5916 states to 5916 states and 6493 transitions. [2018-11-18 11:58:01,342 INFO L78 Accepts]: Start accepts. Automaton has 5916 states and 6493 transitions. Word has length 733 [2018-11-18 11:58:01,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:58:01,343 INFO L480 AbstractCegarLoop]: Abstraction has 5916 states and 6493 transitions. [2018-11-18 11:58:01,343 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:58:01,343 INFO L276 IsEmpty]: Start isEmpty. Operand 5916 states and 6493 transitions. [2018-11-18 11:58:01,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 858 [2018-11-18 11:58:01,353 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:58:01,354 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 11:58:01,354 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:58:01,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:58:01,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1747439057, now seen corresponding path program 1 times [2018-11-18 11:58:01,354 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:58:01,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:58:01,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:58:01,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:58:01,355 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:58:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:01,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 1711 trivial. 0 not checked. [2018-11-18 11:58:01,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:58:01,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:58:01,722 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:58:01,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 11:58:01,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:58:01,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:58:01,723 INFO L87 Difference]: Start difference. First operand 5916 states and 6493 transitions. Second operand 4 states. [2018-11-18 11:58:02,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:58:02,145 INFO L93 Difference]: Finished difference Result 11458 states and 12612 transitions. [2018-11-18 11:58:02,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:58:02,145 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 857 [2018-11-18 11:58:02,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:58:02,158 INFO L225 Difference]: With dead ends: 11458 [2018-11-18 11:58:02,158 INFO L226 Difference]: Without dead ends: 5501 [2018-11-18 11:58:02,166 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:58:02,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5501 states. [2018-11-18 11:58:02,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5501 to 5501. [2018-11-18 11:58:02,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5501 states. [2018-11-18 11:58:02,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5501 states to 5501 states and 5898 transitions. [2018-11-18 11:58:02,248 INFO L78 Accepts]: Start accepts. Automaton has 5501 states and 5898 transitions. Word has length 857 [2018-11-18 11:58:02,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:58:02,249 INFO L480 AbstractCegarLoop]: Abstraction has 5501 states and 5898 transitions. [2018-11-18 11:58:02,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 11:58:02,249 INFO L276 IsEmpty]: Start isEmpty. Operand 5501 states and 5898 transitions. [2018-11-18 11:58:02,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 971 [2018-11-18 11:58:02,259 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:58:02,260 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 11:58:02,260 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:58:02,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:58:02,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1084524176, now seen corresponding path program 1 times [2018-11-18 11:58:02,260 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:58:02,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:58:02,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:58:02,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:58:02,261 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:58:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:02,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2691 backedges. 1075 proven. 57 refuted. 0 times theorem prover too weak. 1559 trivial. 0 not checked. [2018-11-18 11:58:02,802 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:58:02,802 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:58:02,802 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 971 with the following transitions: [2018-11-18 11:58:02,802 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [686], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [794], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [854], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:58:02,805 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:58:02,805 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:58:06,862 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:58:06,862 INFO L272 AbstractInterpreter]: Visited 194 different actions 778 times. Merged at 11 different actions 38 times. Widened at 1 different actions 1 times. Performed 8499 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8499 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 12 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-18 11:58:06,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:58:06,866 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:58:06,866 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:58:06,866 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dffb36a3-874a-48cf-8a47-3f85c1ff06dc/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:58:06,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:58:06,873 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:58:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:06,977 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:58:07,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2691 backedges. 1828 proven. 2 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2018-11-18 11:58:07,270 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:58:07,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2691 backedges. 959 proven. 221 refuted. 0 times theorem prover too weak. 1511 trivial. 0 not checked. [2018-11-18 11:58:07,649 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:58:07,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 9 [2018-11-18 11:58:07,649 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:58:07,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:58:07,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:58:07,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:58:07,650 INFO L87 Difference]: Start difference. First operand 5501 states and 5898 transitions. Second operand 7 states. [2018-11-18 11:58:08,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:58:08,235 INFO L93 Difference]: Finished difference Result 9618 states and 10258 transitions. [2018-11-18 11:58:08,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 11:58:08,235 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 970 [2018-11-18 11:58:08,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:58:08,235 INFO L225 Difference]: With dead ends: 9618 [2018-11-18 11:58:08,235 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:58:08,241 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1953 GetRequests, 1940 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2018-11-18 11:58:08,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:58:08,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:58:08,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:58:08,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:58:08,242 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 970 [2018-11-18 11:58:08,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:58:08,242 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:58:08,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:58:08,242 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:58:08,242 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:58:08,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:58:08,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,589 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 156 [2018-11-18 11:58:08,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:58:08,731 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 167 [2018-11-18 11:58:09,477 WARN L180 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 76 [2018-11-18 11:58:09,785 WARN L180 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 61 [2018-11-18 11:58:10,061 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 58 [2018-11-18 11:58:10,063 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:58:10,063 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-18 11:58:10,063 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:58:10,063 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-18 11:58:10,063 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-18 11:58:10,063 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,063 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,063 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,063 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-18 11:58:10,063 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 11:58:10,063 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 11:58:10,063 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 11:58:10,063 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-18 11:58:10,063 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-18 11:58:10,064 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-18 11:58:10,064 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-18 11:58:10,064 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,064 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,064 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,064 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-18 11:58:10,064 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-18 11:58:10,064 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 11:58:10,064 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 11:58:10,064 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 11:58:10,064 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-18 11:58:10,064 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-18 11:58:10,064 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-18 11:58:10,064 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,064 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,065 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,065 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-18 11:58:10,065 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 11:58:10,065 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 11:58:10,065 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 11:58:10,065 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-18 11:58:10,065 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-18 11:58:10,065 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-18 11:58:10,065 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-18 11:58:10,065 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-18 11:58:10,065 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,065 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,065 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,065 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-18 11:58:10,066 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 11:58:10,066 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 11:58:10,066 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 11:58:10,066 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-18 11:58:10,066 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-18 11:58:10,066 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-18 11:58:10,066 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,066 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,066 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,066 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-18 11:58:10,066 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 11:58:10,066 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 11:58:10,066 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 11:58:10,066 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-18 11:58:10,066 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-18 11:58:10,067 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-18 11:58:10,067 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-18 11:58:10,067 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-18 11:58:10,067 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,067 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,067 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,067 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,067 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-18 11:58:10,067 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 11:58:10,067 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 11:58:10,067 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 11:58:10,067 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-18 11:58:10,067 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-18 11:58:10,067 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-18 11:58:10,067 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-18 11:58:10,068 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,068 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,068 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,068 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 11:58:10,068 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 11:58:10,068 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 11:58:10,068 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-18 11:58:10,068 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-18 11:58:10,068 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-18 11:58:10,068 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-18 11:58:10,068 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-18 11:58:10,068 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,068 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,068 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,069 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-18 11:58:10,069 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-18 11:58:10,069 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 11:58:10,069 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 11:58:10,069 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 11:58:10,069 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-18 11:58:10,069 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse17 (= |old(~a12~0)| ~a12~0)) (.cse3 (<= ~a12~0 |old(~a12~0)|)) (.cse4 (= ~a24~0 |old(~a24~0)|)) (.cse5 (= ~a21~0 |old(~a21~0)|)) (.cse6 (= |old(~a15~0)| ~a15~0))) (let ((.cse8 (< |old(~a12~0)| 81)) (.cse7 (not (= 9 |old(~a15~0)|))) (.cse15 (and .cse3 .cse4 .cse5 .cse6)) (.cse14 (< 7 |old(~a15~0)|)) (.cse0 (= 6 |old(~a21~0)|)) (.cse10 (and .cse5 .cse6 (= ~a24~0 1) .cse17)) (.cse11 (= 0 |old(~a21~0)|)) (.cse1 (not (= 1 |old(~a24~0)|))) (.cse12 (not (= 8 |old(~a15~0)|))) (.cse13 (= |calculate_output_#in~input| 0)) (.cse2 (not (= 5 |old(~a15~0)|))) (.cse9 (and .cse4 .cse5 .cse6 .cse17)) (.cse16 (< 7 |old(~a21~0)|))) (and (or (not .cse0) (<= (+ |old(~a12~0)| 43) 0) .cse1 .cse2 (and .cse3 .cse4 .cse5 (< 0 (+ ~a12~0 43)) .cse6)) (or .cse7 .cse8 .cse1 .cse9) (or .cse10 (= 9 |old(~a21~0)|) .cse11 .cse8 .cse1 .cse12 .cse13) (or (not (= 6 |old(~a15~0)|)) (and .cse3 .cse6)) (or .cse0 .cse1 .cse14 .cse15) (or .cse8 .cse9 .cse1 .cse14 .cse16) (or .cse0 .cse7 .cse1 .cse9) (or .cse15 .cse1 (< 11 |old(~a12~0)|) .cse14) (or .cse0 .cse10 .cse11 (< 76 |old(~a12~0)|) .cse1 .cse12 .cse13) (or (< 0 (+ |old(~a12~0)| 49)) .cse2 .cse9 .cse16)))) [2018-11-18 11:58:10,069 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-18 11:58:10,069 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-18 11:58:10,069 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,070 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,070 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,070 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 11:58:10,070 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 11:58:10,070 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 11:58:10,070 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-18 11:58:10,070 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-18 11:58:10,070 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-18 11:58:10,070 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-18 11:58:10,070 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-18 11:58:10,070 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,070 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,070 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,070 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-18 11:58:10,070 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 181) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 11:58:10,071 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-18 11:58:10,072 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,073 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-18 11:58:10,074 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,074 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-18 11:58:10,074 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-18 11:58:10,074 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-18 11:58:10,074 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 11:58:10,074 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 11:58:10,074 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 11:58:10,074 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-18 11:58:10,074 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-18 11:58:10,074 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-18 11:58:10,074 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-18 11:58:10,074 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,074 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,074 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,074 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-18 11:58:10,075 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 11:58:10,075 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 11:58:10,075 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 11:58:10,075 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-18 11:58:10,075 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-18 11:58:10,075 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-18 11:58:10,075 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-18 11:58:10,075 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,075 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,075 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,075 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-18 11:58:10,075 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-18 11:58:10,075 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 11:58:10,075 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 11:58:10,075 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 11:58:10,076 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-18 11:58:10,076 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-18 11:58:10,076 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-18 11:58:10,076 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,076 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,076 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,076 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-18 11:58:10,076 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 11:58:10,076 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 11:58:10,076 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 11:58:10,076 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-18 11:58:10,076 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-18 11:58:10,076 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-18 11:58:10,076 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-18 11:58:10,076 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-18 11:58:10,077 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,077 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,077 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:58:10,077 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-18 11:58:10,077 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 11:58:10,077 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 11:58:10,077 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 11:58:10,077 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-18 11:58:10,077 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:58:10,077 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-11-18 11:58:10,077 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:58:10,077 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:58:10,077 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and (= |old(~a15~0)| ~a15~0) (= ~a24~0 1) (= ~a21~0 7) (= |old(~a12~0)| ~a12~0))) [2018-11-18 11:58:10,078 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-18 11:58:10,078 INFO L421 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse2 (= 5 ~a15~0)) (.cse5 (and (not (= ~a21~0 0)) (not (= main_~input~0 0)) (= ~a15~0 8))) (.cse6 (= ~a24~0 |old(~a24~0)|)) (.cse3 (<= 81 ~a12~0)) (.cse1 (<= ~a15~0 7)) (.cse0 (= 1 ~a24~0)) (.cse4 (= 9 ~a15~0)) (.cse7 (not (= 6 ~a21~0)))) (or (not (= 8 |old(~a15~0)|)) (and .cse0 .cse1 (<= ~a12~0 11)) (and .cse0 .cse2) (and .cse3 .cse0 .cse4) (and (<= ~a21~0 7) .cse2 (<= (+ ~a12~0 49) 0)) (and (<= ~a12~0 76) .cse5 .cse6 .cse7) (not (= 7 |old(~a21~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and .cse3 (not (= 9 ~a21~0)) .cse5 .cse6) (and .cse3 .cse0 .cse1) (and .cse0 .cse1 .cse7) (= 6 ~a15~0) (not (= 1 |old(~a24~0)|)) (and .cse0 .cse4 .cse7))) [2018-11-18 11:58:10,078 INFO L425 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-18 11:58:10,078 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-18 11:58:10,078 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-11-18 11:58:10,078 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse2 (= 5 ~a15~0)) (.cse1 (<= ~a15~0 7)) (.cse3 (<= 81 ~a12~0)) (.cse5 (and (not (= ~a21~0 0)) (= ~a15~0 8) (= ~a24~0 1))) (.cse0 (= 1 ~a24~0)) (.cse4 (= 9 ~a15~0)) (.cse6 (not (= 6 ~a21~0)))) (or (not (= 8 |old(~a15~0)|)) (and .cse0 .cse1 (<= ~a12~0 11)) (and .cse0 .cse2) (and .cse3 .cse0 .cse4) (and (<= ~a21~0 7) .cse2 (<= (+ ~a12~0 49) 0)) (not (= 7 |old(~a21~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and .cse3 .cse0 .cse1) (and (<= ~a12~0 76) .cse5 .cse6) (and .cse0 .cse1 .cse6) (= 6 ~a15~0) (and .cse3 (not (= 9 ~a21~0)) .cse5) (not (= 1 |old(~a24~0)|)) (and .cse0 .cse4 .cse6))) [2018-11-18 11:58:10,078 INFO L425 ceAbstractionStarter]: For program point L880-4(lines 874 890) no Hoare annotation was computed. [2018-11-18 11:58:10,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:58:10 BoogieIcfgContainer [2018-11-18 11:58:10,088 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:58:10,088 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:58:10,088 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:58:10,088 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:58:10,089 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:55:29" (3/4) ... [2018-11-18 11:58:10,100 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:58:10,104 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:58:10,104 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 11:58:10,105 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:58:10,116 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 11:58:10,117 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:58:10,140 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(8 == \old(a15)) || ((1 == a24 && a15 <= 7) && a12 <= 11)) || (1 == a24 && 5 == a15)) || ((81 <= a12 && 1 == a24) && 9 == a15)) || ((a21 <= 7 && 5 == a15) && a12 + 49 <= 0)) || !(7 == \old(a21))) || !(0 == \old(a12) + 49)) || ((81 <= a12 && 1 == a24) && a15 <= 7)) || ((a12 <= 76 && (!(a21 == 0) && a15 == 8) && a24 == 1) && !(6 == a21))) || ((1 == a24 && a15 <= 7) && !(6 == a21))) || 6 == a15) || ((81 <= a12 && !(9 == a21)) && (!(a21 == 0) && a15 == 8) && a24 == 1)) || !(1 == \old(a24))) || ((1 == a24 && 9 == a15) && !(6 == a21)) [2018-11-18 11:58:10,208 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dffb36a3-874a-48cf-8a47-3f85c1ff06dc/bin-2019/utaipan/witness.graphml [2018-11-18 11:58:10,208 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:58:10,209 INFO L168 Benchmark]: Toolchain (without parser) took 162035.46 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.9 GB). Free memory was 956.4 MB in the beginning and 917.2 MB in the end (delta: 39.2 MB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. [2018-11-18 11:58:10,209 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:58:10,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.44 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 913.5 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:10,210 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 913.5 MB in the beginning and 1.1 GB in the end (delta: -184.5 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:10,210 INFO L168 Benchmark]: Boogie Preprocessor took 53.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:58:10,210 INFO L168 Benchmark]: RCFGBuilder took 981.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 974.3 MB in the end (delta: 123.7 MB). Peak memory consumption was 123.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:10,210 INFO L168 Benchmark]: TraceAbstraction took 160395.50 ms. Allocated memory was 1.1 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 974.3 MB in the beginning and 995.9 MB in the end (delta: -21.6 MB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. [2018-11-18 11:58:10,210 INFO L168 Benchmark]: Witness Printer took 119.91 ms. Allocated memory is still 4.9 GB. Free memory was 995.9 MB in the beginning and 917.2 MB in the end (delta: 78.7 MB). Peak memory consumption was 78.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:10,212 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 405.44 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 913.5 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 913.5 MB in the beginning and 1.1 GB in the end (delta: -184.5 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 981.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 974.3 MB in the end (delta: 123.7 MB). Peak memory consumption was 123.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 160395.50 ms. Allocated memory was 1.1 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 974.3 MB in the beginning and 995.9 MB in the end (delta: -21.6 MB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. * Witness Printer took 119.91 ms. Allocated memory is still 4.9 GB. Free memory was 995.9 MB in the beginning and 917.2 MB in the end (delta: 78.7 MB). Peak memory consumption was 78.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 181]: 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: ((((((((((((!(8 == \old(a15)) || ((1 == a24 && a15 <= 7) && a12 <= 11)) || (1 == a24 && 5 == a15)) || ((81 <= a12 && 1 == a24) && 9 == a15)) || ((a21 <= 7 && 5 == a15) && a12 + 49 <= 0)) || !(7 == \old(a21))) || !(0 == \old(a12) + 49)) || ((81 <= a12 && 1 == a24) && a15 <= 7)) || ((a12 <= 76 && (!(a21 == 0) && a15 == 8) && a24 == 1) && !(6 == a21))) || ((1 == a24 && a15 <= 7) && !(6 == a21))) || 6 == a15) || ((81 <= a12 && !(9 == a21)) && (!(a21 == 0) && a15 == 8) && a24 == 1)) || !(1 == \old(a24))) || ((1 == a24 && 9 == a15) && !(6 == a21)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 160.3s OverallTime, 13 OverallIterations, 8 TraceHistogramMax, 113.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2016 SDtfs, 14262 SDslu, 3166 SDs, 0 SdLazy, 26941 SolverSat, 4210 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 99.3s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 9428 GetRequests, 9190 SyntacticMatches, 8 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2192 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10945occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 34.7s AbstIntTime, 10 AbstIntIterations, 4 AbstIntStrong, 0.9974213283656 AbsIntWeakeningRatio, 0.08701854493580599 AbsIntAvgWeakeningVarsNumRemoved, 16.13052781740371 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 13 MinimizatonAttempts, 1103 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 580 PreInvPairs, 884 NumberOfFragments, 611 HoareAnnotationTreeSize, 580 FomulaSimplifications, 15770 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8208 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 10256 NumberOfCodeBlocks, 10256 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 14105 ConstructedInterpolants, 0 QuantifiedInterpolants, 21567108 SizeOfPredicates, 3 NumberOfNonLiveVariables, 5697 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 25 InterpolantComputations, 5 PerfectInterpolantSequences, 27323/29274 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...