./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label49_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6c613c3a-5c4b-4149-b4a9-9cf999337cf3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6c613c3a-5c4b-4149-b4a9-9cf999337cf3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6c613c3a-5c4b-4149-b4a9-9cf999337cf3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6c613c3a-5c4b-4149-b4a9-9cf999337cf3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label49_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6c613c3a-5c4b-4149-b4a9-9cf999337cf3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6c613c3a-5c4b-4149-b4a9-9cf999337cf3/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 95000caaa926e46a44fd070da2a40a84b9e2d593 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 14:47:31,132 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 14:47:31,133 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 14:47:31,141 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 14:47:31,141 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 14:47:31,141 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 14:47:31,142 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 14:47:31,143 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 14:47:31,144 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 14:47:31,145 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 14:47:31,145 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 14:47:31,145 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 14:47:31,146 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 14:47:31,147 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 14:47:31,147 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 14:47:31,148 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 14:47:31,149 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 14:47:31,150 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 14:47:31,151 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 14:47:31,152 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 14:47:31,153 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 14:47:31,154 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 14:47:31,155 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 14:47:31,156 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 14:47:31,156 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 14:47:31,156 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 14:47:31,157 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 14:47:31,158 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 14:47:31,158 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 14:47:31,159 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 14:47:31,159 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 14:47:31,160 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 14:47:31,160 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 14:47:31,160 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 14:47:31,160 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 14:47:31,161 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 14:47:31,161 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6c613c3a-5c4b-4149-b4a9-9cf999337cf3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 14:47:31,171 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 14:47:31,171 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 14:47:31,172 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 14:47:31,172 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 14:47:31,172 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 14:47:31,172 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 14:47:31,172 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 14:47:31,172 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 14:47:31,172 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 14:47:31,173 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 14:47:31,173 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 14:47:31,173 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 14:47:31,173 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 14:47:31,173 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 14:47:31,173 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 14:47:31,174 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 14:47:31,174 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 14:47:31,174 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 14:47:31,174 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 14:47:31,174 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 14:47:31,174 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 14:47:31,174 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 14:47:31,175 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 14:47:31,175 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 14:47:31,175 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 14:47:31,175 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 14:47:31,175 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 14:47:31,175 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 14:47:31,175 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 14:47:31,175 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 14:47:31,175 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 14:47:31,175 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 14:47:31,175 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 14:47:31,175 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 14:47:31,176 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 14:47:31,176 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 14:47:31,176 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_6c613c3a-5c4b-4149-b4a9-9cf999337cf3/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 -> 95000caaa926e46a44fd070da2a40a84b9e2d593 [2018-12-08 14:47:31,198 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 14:47:31,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 14:47:31,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 14:47:31,209 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 14:47:31,209 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 14:47:31,209 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6c613c3a-5c4b-4149-b4a9-9cf999337cf3/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label49_true-unreach-call_false-termination.c [2018-12-08 14:47:31,244 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c613c3a-5c4b-4149-b4a9-9cf999337cf3/bin-2019/utaipan/data/2a2edc7aa/fd95f3cd0daa4e24bfc62c9803718471/FLAGd5a00ffcd [2018-12-08 14:47:31,696 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 14:47:31,697 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6c613c3a-5c4b-4149-b4a9-9cf999337cf3/sv-benchmarks/c/eca-rers2012/Problem02_label49_true-unreach-call_false-termination.c [2018-12-08 14:47:31,704 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c613c3a-5c4b-4149-b4a9-9cf999337cf3/bin-2019/utaipan/data/2a2edc7aa/fd95f3cd0daa4e24bfc62c9803718471/FLAGd5a00ffcd [2018-12-08 14:47:31,713 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6c613c3a-5c4b-4149-b4a9-9cf999337cf3/bin-2019/utaipan/data/2a2edc7aa/fd95f3cd0daa4e24bfc62c9803718471 [2018-12-08 14:47:31,715 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 14:47:31,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 14:47:31,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 14:47:31,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 14:47:31,719 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 14:47:31,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:47:31" (1/1) ... [2018-12-08 14:47:31,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:31, skipping insertion in model container [2018-12-08 14:47:31,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:47:31" (1/1) ... [2018-12-08 14:47:31,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 14:47:31,750 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 14:47:31,923 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:47:31,926 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 14:47:32,010 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:47:32,020 INFO L195 MainTranslator]: Completed translation [2018-12-08 14:47:32,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:32 WrapperNode [2018-12-08 14:47:32,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 14:47:32,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 14:47:32,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 14:47:32,021 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 14:47:32,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:32" (1/1) ... [2018-12-08 14:47:32,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:32" (1/1) ... [2018-12-08 14:47:32,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 14:47:32,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 14:47:32,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 14:47:32,039 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 14:47:32,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:32" (1/1) ... [2018-12-08 14:47:32,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:32" (1/1) ... [2018-12-08 14:47:32,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:32" (1/1) ... [2018-12-08 14:47:32,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:32" (1/1) ... [2018-12-08 14:47:32,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:32" (1/1) ... [2018-12-08 14:47:32,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:32" (1/1) ... [2018-12-08 14:47:32,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:32" (1/1) ... [2018-12-08 14:47:32,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 14:47:32,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 14:47:32,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 14:47:32,075 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 14:47:32,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c613c3a-5c4b-4149-b4a9-9cf999337cf3/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 [2018-12-08 14:47:32,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 14:47:32,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 14:47:32,108 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 14:47:32,108 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 14:47:32,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 14:47:32,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 14:47:32,108 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 14:47:32,108 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 14:47:32,642 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 14:47:32,642 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 14:47:32,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:47:32 BoogieIcfgContainer [2018-12-08 14:47:32,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 14:47:32,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 14:47:32,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 14:47:32,646 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 14:47:32,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 02:47:31" (1/3) ... [2018-12-08 14:47:32,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e380580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 02:47:32, skipping insertion in model container [2018-12-08 14:47:32,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:32" (2/3) ... [2018-12-08 14:47:32,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e380580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 02:47:32, skipping insertion in model container [2018-12-08 14:47:32,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:47:32" (3/3) ... [2018-12-08 14:47:32,648 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label49_true-unreach-call_false-termination.c [2018-12-08 14:47:32,657 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 14:47:32,663 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 14:47:32,674 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 14:47:32,697 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 14:47:32,698 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 14:47:32,698 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 14:47:32,698 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 14:47:32,698 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 14:47:32,698 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 14:47:32,698 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 14:47:32,698 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 14:47:32,716 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-08 14:47:32,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-08 14:47:32,724 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:47:32,725 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:47:32,727 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:47:32,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:47:32,730 INFO L82 PathProgramCache]: Analyzing trace with hash 2010725689, now seen corresponding path program 1 times [2018-12-08 14:47:32,732 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:47:32,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:47:32,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:47:32,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:47:32,760 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:47:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:47:33,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:47:33,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:47:33,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 14:47:33,033 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:47:33,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 14:47:33,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 14:47:33,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 14:47:33,047 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-08 14:47:33,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:47:33,478 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-12-08 14:47:33,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 14:47:33,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2018-12-08 14:47:33,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:47:33,489 INFO L225 Difference]: With dead ends: 618 [2018-12-08 14:47:33,489 INFO L226 Difference]: Without dead ends: 320 [2018-12-08 14:47:33,493 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 14:47:33,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-08 14:47:33,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-12-08 14:47:33,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-12-08 14:47:33,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 465 transitions. [2018-12-08 14:47:33,535 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 465 transitions. Word has length 131 [2018-12-08 14:47:33,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:47:33,536 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 465 transitions. [2018-12-08 14:47:33,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 14:47:33,536 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 465 transitions. [2018-12-08 14:47:33,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 14:47:33,539 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:47:33,539 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:47:33,540 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:47:33,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:47:33,540 INFO L82 PathProgramCache]: Analyzing trace with hash -2056186306, now seen corresponding path program 1 times [2018-12-08 14:47:33,540 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:47:33,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:47:33,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:47:33,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:47:33,541 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:47:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:47:33,697 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:47:33,698 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:47:33,698 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 14:47:33,698 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:47:33,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 14:47:33,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 14:47:33,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 14:47:33,699 INFO L87 Difference]: Start difference. First operand 320 states and 465 transitions. Second operand 5 states. [2018-12-08 14:47:34,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:47:34,042 INFO L93 Difference]: Finished difference Result 721 states and 1089 transitions. [2018-12-08 14:47:34,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 14:47:34,043 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2018-12-08 14:47:34,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:47:34,045 INFO L225 Difference]: With dead ends: 721 [2018-12-08 14:47:34,045 INFO L226 Difference]: Without dead ends: 320 [2018-12-08 14:47:34,046 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 14:47:34,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-08 14:47:34,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-12-08 14:47:34,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-12-08 14:47:34,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 461 transitions. [2018-12-08 14:47:34,058 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 461 transitions. Word has length 139 [2018-12-08 14:47:34,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:47:34,059 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 461 transitions. [2018-12-08 14:47:34,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 14:47:34,059 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 461 transitions. [2018-12-08 14:47:34,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 14:47:34,060 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:47:34,060 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:47:34,060 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:47:34,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:47:34,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1041677834, now seen corresponding path program 1 times [2018-12-08 14:47:34,061 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:47:34,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:47:34,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:47:34,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:47:34,062 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:47:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:47:34,228 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:47:34,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:47:34,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 14:47:34,229 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:47:34,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 14:47:34,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 14:47:34,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 14:47:34,230 INFO L87 Difference]: Start difference. First operand 320 states and 461 transitions. Second operand 5 states. [2018-12-08 14:47:34,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:47:34,539 INFO L93 Difference]: Finished difference Result 717 states and 1075 transitions. [2018-12-08 14:47:34,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 14:47:34,540 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2018-12-08 14:47:34,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:47:34,541 INFO L225 Difference]: With dead ends: 717 [2018-12-08 14:47:34,541 INFO L226 Difference]: Without dead ends: 320 [2018-12-08 14:47:34,542 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 14:47:34,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-08 14:47:34,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-12-08 14:47:34,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-12-08 14:47:34,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 455 transitions. [2018-12-08 14:47:34,549 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 455 transitions. Word has length 145 [2018-12-08 14:47:34,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:47:34,549 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 455 transitions. [2018-12-08 14:47:34,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 14:47:34,550 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 455 transitions. [2018-12-08 14:47:34,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 14:47:34,551 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:47:34,551 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:47:34,551 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:47:34,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:47:34,551 INFO L82 PathProgramCache]: Analyzing trace with hash -33342687, now seen corresponding path program 1 times [2018-12-08 14:47:34,551 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:47:34,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:47:34,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:47:34,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:47:34,552 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:47:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:47:34,619 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:47:34,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:47:34,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 14:47:34,620 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:47:34,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 14:47:34,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 14:47:34,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 14:47:34,620 INFO L87 Difference]: Start difference. First operand 320 states and 455 transitions. Second operand 6 states. [2018-12-08 14:47:35,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:47:35,040 INFO L93 Difference]: Finished difference Result 951 states and 1383 transitions. [2018-12-08 14:47:35,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 14:47:35,041 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-12-08 14:47:35,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:47:35,044 INFO L225 Difference]: With dead ends: 951 [2018-12-08 14:47:35,044 INFO L226 Difference]: Without dead ends: 637 [2018-12-08 14:47:35,045 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 14:47:35,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2018-12-08 14:47:35,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 626. [2018-12-08 14:47:35,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-12-08 14:47:35,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 870 transitions. [2018-12-08 14:47:35,073 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 870 transitions. Word has length 153 [2018-12-08 14:47:35,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:47:35,073 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 870 transitions. [2018-12-08 14:47:35,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 14:47:35,073 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 870 transitions. [2018-12-08 14:47:35,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 14:47:35,074 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:47:35,075 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:47:35,075 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:47:35,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:47:35,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1756128357, now seen corresponding path program 1 times [2018-12-08 14:47:35,075 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:47:35,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:47:35,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:47:35,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:47:35,076 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:47:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:47:35,196 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:47:35,196 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:47:35,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 14:47:35,196 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:47:35,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 14:47:35,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 14:47:35,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 14:47:35,197 INFO L87 Difference]: Start difference. First operand 626 states and 870 transitions. Second operand 5 states. [2018-12-08 14:47:35,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:47:35,506 INFO L93 Difference]: Finished difference Result 1330 states and 1901 transitions. [2018-12-08 14:47:35,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 14:47:35,507 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2018-12-08 14:47:35,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:47:35,508 INFO L225 Difference]: With dead ends: 1330 [2018-12-08 14:47:35,508 INFO L226 Difference]: Without dead ends: 626 [2018-12-08 14:47:35,509 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 14:47:35,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2018-12-08 14:47:35,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2018-12-08 14:47:35,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-12-08 14:47:35,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 858 transitions. [2018-12-08 14:47:35,520 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 858 transitions. Word has length 155 [2018-12-08 14:47:35,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:47:35,520 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 858 transitions. [2018-12-08 14:47:35,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 14:47:35,520 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 858 transitions. [2018-12-08 14:47:35,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 14:47:35,521 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:47:35,522 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:47:35,522 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:47:35,522 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:47:35,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1935651415, now seen corresponding path program 1 times [2018-12-08 14:47:35,522 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:47:35,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:47:35,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:47:35,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:47:35,523 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:47:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:47:35,615 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:47:35,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:47:35,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 14:47:35,616 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:47:35,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 14:47:35,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 14:47:35,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 14:47:35,616 INFO L87 Difference]: Start difference. First operand 626 states and 858 transitions. Second operand 5 states. [2018-12-08 14:47:35,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:47:35,973 INFO L93 Difference]: Finished difference Result 1332 states and 1876 transitions. [2018-12-08 14:47:35,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 14:47:35,974 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2018-12-08 14:47:35,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:47:35,976 INFO L225 Difference]: With dead ends: 1332 [2018-12-08 14:47:35,976 INFO L226 Difference]: Without dead ends: 626 [2018-12-08 14:47:35,977 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 14:47:35,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2018-12-08 14:47:35,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2018-12-08 14:47:35,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-12-08 14:47:35,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 842 transitions. [2018-12-08 14:47:35,988 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 842 transitions. Word has length 157 [2018-12-08 14:47:35,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:47:35,988 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 842 transitions. [2018-12-08 14:47:35,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 14:47:35,989 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 842 transitions. [2018-12-08 14:47:35,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-08 14:47:35,991 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:47:35,991 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:47:35,991 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:47:35,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:47:35,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1918345167, now seen corresponding path program 1 times [2018-12-08 14:47:35,992 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:47:35,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:47:35,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:47:35,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:47:35,993 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:47:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:47:36,043 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:47:36,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:47:36,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 14:47:36,044 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:47:36,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 14:47:36,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 14:47:36,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 14:47:36,045 INFO L87 Difference]: Start difference. First operand 626 states and 842 transitions. Second operand 6 states. [2018-12-08 14:47:36,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:47:36,412 INFO L93 Difference]: Finished difference Result 1858 states and 2598 transitions. [2018-12-08 14:47:36,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 14:47:36,412 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2018-12-08 14:47:36,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:47:36,415 INFO L225 Difference]: With dead ends: 1858 [2018-12-08 14:47:36,415 INFO L226 Difference]: Without dead ends: 1238 [2018-12-08 14:47:36,416 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 14:47:36,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2018-12-08 14:47:36,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1218. [2018-12-08 14:47:36,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2018-12-08 14:47:36,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1635 transitions. [2018-12-08 14:47:36,435 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1635 transitions. Word has length 161 [2018-12-08 14:47:36,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:47:36,435 INFO L480 AbstractCegarLoop]: Abstraction has 1218 states and 1635 transitions. [2018-12-08 14:47:36,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 14:47:36,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1635 transitions. [2018-12-08 14:47:36,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-12-08 14:47:36,438 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:47:36,438 INFO L402 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:47:36,438 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:47:36,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:47:36,438 INFO L82 PathProgramCache]: Analyzing trace with hash 264500657, now seen corresponding path program 1 times [2018-12-08 14:47:36,438 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:47:36,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:47:36,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:47:36,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:47:36,439 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:47:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:47:36,497 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:47:36,497 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:47:36,497 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 14:47:36,498 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-12-08 14:47:36,499 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [107], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [727], [729], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 14:47:36,526 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 14:47:36,526 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 14:47:36,923 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 14:47:36,924 INFO L272 AbstractInterpreter]: Visited 135 different actions 264 times. Merged at 4 different actions 4 times. Never widened. Performed 2967 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2967 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-08 14:47:36,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:47:36,929 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 14:47:37,200 INFO L227 lantSequenceWeakener]: Weakened 192 states. On average, predicates are now at 82.74% of their original sizes. [2018-12-08 14:47:37,200 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 14:47:37,246 INFO L418 sIntCurrentIteration]: We unified 194 AI predicates to 194 [2018-12-08 14:47:37,246 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 14:47:37,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 14:47:37,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-08 14:47:37,247 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:47:37,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 14:47:37,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 14:47:37,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 14:47:37,248 INFO L87 Difference]: Start difference. First operand 1218 states and 1635 transitions. Second operand 10 states. [2018-12-08 14:47:40,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:47:40,169 INFO L93 Difference]: Finished difference Result 3178 states and 4247 transitions. [2018-12-08 14:47:40,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-08 14:47:40,169 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2018-12-08 14:47:40,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:47:40,175 INFO L225 Difference]: With dead ends: 3178 [2018-12-08 14:47:40,175 INFO L226 Difference]: Without dead ends: 1966 [2018-12-08 14:47:40,178 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 204 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-08 14:47:40,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1966 states. [2018-12-08 14:47:40,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1966 to 1956. [2018-12-08 14:47:40,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1956 states. [2018-12-08 14:47:40,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2481 transitions. [2018-12-08 14:47:40,218 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2481 transitions. Word has length 195 [2018-12-08 14:47:40,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:47:40,218 INFO L480 AbstractCegarLoop]: Abstraction has 1956 states and 2481 transitions. [2018-12-08 14:47:40,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 14:47:40,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2481 transitions. [2018-12-08 14:47:40,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 14:47:40,223 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:47:40,223 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:47:40,224 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:47:40,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:47:40,224 INFO L82 PathProgramCache]: Analyzing trace with hash -896675840, now seen corresponding path program 1 times [2018-12-08 14:47:40,224 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:47:40,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:47:40,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:47:40,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:47:40,225 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:47:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:47:40,314 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 81 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:47:40,314 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:47:40,314 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 14:47:40,314 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 200 with the following transitions: [2018-12-08 14:47:40,314 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [727], [729], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 14:47:40,317 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 14:47:40,317 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 14:47:40,515 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 14:47:40,515 INFO L272 AbstractInterpreter]: Visited 137 different actions 406 times. Merged at 7 different actions 17 times. Never widened. Performed 4808 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4808 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-08 14:47:40,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:47:40,519 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 14:47:40,519 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:47:40,519 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c613c3a-5c4b-4149-b4a9-9cf999337cf3/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 [2018-12-08 14:47:40,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:47:40,526 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 14:47:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:47:40,589 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:47:40,639 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 14:47:40,640 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 14:47:40,707 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 14:47:40,733 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 14:47:40,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-12-08 14:47:40,734 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 14:47:40,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 14:47:40,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 14:47:40,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-12-08 14:47:40,734 INFO L87 Difference]: Start difference. First operand 1956 states and 2481 transitions. Second operand 14 states. [2018-12-08 14:47:42,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:47:42,127 INFO L93 Difference]: Finished difference Result 4947 states and 6363 transitions. [2018-12-08 14:47:42,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 14:47:42,127 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 199 [2018-12-08 14:47:42,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:47:42,131 INFO L225 Difference]: With dead ends: 4947 [2018-12-08 14:47:42,131 INFO L226 Difference]: Without dead ends: 2395 [2018-12-08 14:47:42,134 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 410 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2018-12-08 14:47:42,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2395 states. [2018-12-08 14:47:42,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2395 to 2242. [2018-12-08 14:47:42,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2242 states. [2018-12-08 14:47:42,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 2660 transitions. [2018-12-08 14:47:42,162 INFO L78 Accepts]: Start accepts. Automaton has 2242 states and 2660 transitions. Word has length 199 [2018-12-08 14:47:42,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:47:42,162 INFO L480 AbstractCegarLoop]: Abstraction has 2242 states and 2660 transitions. [2018-12-08 14:47:42,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 14:47:42,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 2660 transitions. [2018-12-08 14:47:42,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 14:47:42,166 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:47:42,166 INFO L402 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:47:42,166 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:47:42,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:47:42,166 INFO L82 PathProgramCache]: Analyzing trace with hash -2138649182, now seen corresponding path program 1 times [2018-12-08 14:47:42,166 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:47:42,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:47:42,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:47:42,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:47:42,167 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:47:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:47:42,567 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 226 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:47:42,567 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:47:42,567 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 14:47:42,567 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 279 with the following transitions: [2018-12-08 14:47:42,567 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [236], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [727], [729], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 14:47:42,570 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 14:47:42,570 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 14:47:42,845 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 14:47:42,846 INFO L272 AbstractInterpreter]: Visited 139 different actions 543 times. Merged at 7 different actions 24 times. Never widened. Performed 6347 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6347 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-08 14:47:42,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:47:42,851 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 14:47:42,851 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:47:42,851 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c613c3a-5c4b-4149-b4a9-9cf999337cf3/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 [2018-12-08 14:47:42,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:47:42,857 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 14:47:42,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:47:42,905 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:47:42,981 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 225 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-08 14:47:42,981 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 14:47:43,067 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 225 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-08 14:47:43,082 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 14:47:43,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 6, 6] total 22 [2018-12-08 14:47:43,082 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 14:47:43,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-08 14:47:43,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-08 14:47:43,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2018-12-08 14:47:43,083 INFO L87 Difference]: Start difference. First operand 2242 states and 2660 transitions. Second operand 20 states. [2018-12-08 14:47:48,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:47:48,547 INFO L93 Difference]: Finished difference Result 5085 states and 6680 transitions. [2018-12-08 14:47:48,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-12-08 14:47:48,547 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 278 [2018-12-08 14:47:48,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:47:48,557 INFO L225 Difference]: With dead ends: 5085 [2018-12-08 14:47:48,557 INFO L226 Difference]: Without dead ends: 2835 [2018-12-08 14:47:48,562 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 665 GetRequests, 583 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2020 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1294, Invalid=5348, Unknown=0, NotChecked=0, Total=6642 [2018-12-08 14:47:48,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2835 states. [2018-12-08 14:47:48,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2835 to 2257. [2018-12-08 14:47:48,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2257 states. [2018-12-08 14:47:48,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 2257 states and 2603 transitions. [2018-12-08 14:47:48,607 INFO L78 Accepts]: Start accepts. Automaton has 2257 states and 2603 transitions. Word has length 278 [2018-12-08 14:47:48,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:47:48,608 INFO L480 AbstractCegarLoop]: Abstraction has 2257 states and 2603 transitions. [2018-12-08 14:47:48,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-08 14:47:48,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 2603 transitions. [2018-12-08 14:47:48,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-08 14:47:48,610 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:47:48,611 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:47:48,611 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:47:48,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:47:48,611 INFO L82 PathProgramCache]: Analyzing trace with hash -687839117, now seen corresponding path program 1 times [2018-12-08 14:47:48,611 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 14:47:48,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:47:48,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:47:48,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:47:48,612 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 14:47:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:47:48,665 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 170 proven. 13 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-08 14:47:48,665 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:47:48,665 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 14:47:48,666 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 281 with the following transitions: [2018-12-08 14:47:48,666 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [312], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [727], [729], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 14:47:48,668 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 14:47:48,668 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 14:47:48,859 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 14:47:48,859 INFO L272 AbstractInterpreter]: Visited 136 different actions 401 times. Merged at 6 different actions 13 times. Never widened. Performed 4595 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4595 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-08 14:47:48,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:47:48,863 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 14:47:49,040 INFO L227 lantSequenceWeakener]: Weakened 275 states. On average, predicates are now at 84.61% of their original sizes. [2018-12-08 14:47:49,040 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 14:47:49,071 INFO L418 sIntCurrentIteration]: We unified 279 AI predicates to 279 [2018-12-08 14:47:49,071 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 14:47:49,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 14:47:49,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-08 14:47:49,071 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 14:47:49,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 14:47:49,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 14:47:49,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 14:47:49,072 INFO L87 Difference]: Start difference. First operand 2257 states and 2603 transitions. Second operand 9 states. [2018-12-08 14:47:50,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:47:50,724 INFO L93 Difference]: Finished difference Result 3959 states and 4626 transitions. [2018-12-08 14:47:50,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 14:47:50,724 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 280 [2018-12-08 14:47:50,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:47:50,724 INFO L225 Difference]: With dead ends: 3959 [2018-12-08 14:47:50,724 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 14:47:50,728 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 286 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-08 14:47:50,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 14:47:50,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 14:47:50,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 14:47:50,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 14:47:50,729 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 280 [2018-12-08 14:47:50,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:47:50,729 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 14:47:50,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 14:47:50,729 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 14:47:50,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 14:47:50,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 14:47:50,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:50,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:47:51,551 WARN L180 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 81 [2018-12-08 14:47:51,924 WARN L180 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 60 [2018-12-08 14:47:52,205 WARN L180 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 65 [2018-12-08 14:47:52,206 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 14:47:52,207 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a11~0)| ~a11~0) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-12-08 14:47:52,207 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 14:47:52,207 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,207 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,207 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,207 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,207 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,207 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-08 14:47:52,207 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-08 14:47:52,207 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 547) no Hoare annotation was computed. [2018-12-08 14:47:52,207 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-08 14:47:52,207 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-08 14:47:52,207 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-08 14:47:52,207 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-08 14:47:52,207 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-08 14:47:52,207 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-08 14:47:52,208 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-08 14:47:52,208 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-08 14:47:52,208 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-08 14:47:52,208 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-08 14:47:52,208 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-08 14:47:52,208 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,208 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,208 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,208 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,208 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-08 14:47:52,208 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,208 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-08 14:47:52,208 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-08 14:47:52,208 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-08 14:47:52,209 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-08 14:47:52,209 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-08 14:47:52,209 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-08 14:47:52,209 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-08 14:47:52,209 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-08 14:47:52,209 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-08 14:47:52,209 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-08 14:47:52,209 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-08 14:47:52,209 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-08 14:47:52,209 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-08 14:47:52,209 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-08 14:47:52,209 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-08 14:47:52,209 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,209 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,209 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,210 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,210 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,210 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-08 14:47:52,210 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-08 14:47:52,210 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-08 14:47:52,210 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-08 14:47:52,210 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-08 14:47:52,210 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-08 14:47:52,210 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-08 14:47:52,210 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-08 14:47:52,210 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-08 14:47:52,210 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-08 14:47:52,210 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-08 14:47:52,210 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,210 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,210 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,210 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,210 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,210 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-08 14:47:52,210 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-08 14:47:52,210 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-08 14:47:52,210 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-08 14:47:52,211 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-08 14:47:52,212 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-08 14:47:52,213 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-08 14:47:52,214 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-08 14:47:52,214 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-08 14:47:52,214 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-08 14:47:52,214 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-08 14:47:52,214 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-08 14:47:52,214 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-08 14:47:52,214 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-08 14:47:52,214 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-08 14:47:52,214 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-08 14:47:52,214 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-08 14:47:52,214 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-08 14:47:52,214 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-08 14:47:52,214 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,214 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,214 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,214 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse19 (= |old(~a11~0)| ~a11~0)) (.cse20 (= ~a28~0 |old(~a28~0)|)) (.cse21 (= ~a25~0 |old(~a25~0)|)) (.cse10 (= 1 |old(~a19~0)|)) (.cse11 (= 1 |old(~a25~0)|)) (.cse18 (= 1 |old(~a11~0)|))) (let ((.cse1 (not (= 7 |old(~a28~0)|))) (.cse5 (= 1 ~a11~0)) (.cse8 (= 8 ~a17~0)) (.cse6 (= 1 ~a19~0)) (.cse4 (not .cse18)) (.cse2 (not .cse11)) (.cse3 (not .cse10)) (.cse16 (= 0 |old(~a28~0)|)) (.cse7 (not (= 8 |old(~a17~0)|))) (.cse17 (= |calculate_output_#in~input| 0)) (.cse14 (and .cse19 (= ~a17~0 8) (= ~a19~0 1) .cse20 .cse21)) (.cse13 (< 10 |old(~a28~0)|)) (.cse9 (= 9 |old(~a28~0)|)) (.cse12 (= |old(~a25~0)| ~a25~0)) (.cse0 (not (= 1 ~a21~0))) (.cse15 (= 8 |old(~a28~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6) (not (= 7 |old(~a17~0)|))) (or .cse0 .cse2 .cse3 .cse7 (and .cse5 (= 1 ~a25~0) (= 9 ~a28~0) .cse8 .cse6) (not .cse9) .cse4) (or .cse10 .cse0 .cse1 .cse7 (and (= 7 ~a28~0) (not (= ~a25~0 1)) .cse5 .cse8 (not .cse6)) .cse4 .cse11) (or (and .cse5 .cse8 .cse6 .cse12 (= 10 ~a28~0)) .cse0 (not (= 10 |old(~a28~0)|)) .cse2 .cse3 .cse7 .cse4) (or .cse13 .cse14 (or .cse0 .cse15 .cse11) .cse3 .cse16 .cse7 .cse17) (or .cse0 .cse18 .cse2 .cse3 .cse16 .cse7 .cse17 .cse14) (or (or .cse13 .cse0 .cse18 .cse9 (not (= |old(~a17~0)| 8))) (and .cse19 (= ~a17~0 |old(~a17~0)|) .cse20 .cse21)) (or (and (= |old(~a17~0)| ~a17~0) .cse12 .cse20) .cse0 .cse15 (< 7 |old(~a17~0)|))))) [2018-12-08 14:47:52,214 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,215 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,215 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,215 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-08 14:47:52,215 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-08 14:47:52,215 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-08 14:47:52,215 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-08 14:47:52,215 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-08 14:47:52,215 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-08 14:47:52,215 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-08 14:47:52,215 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-08 14:47:52,215 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-08 14:47:52,215 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-08 14:47:52,215 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-08 14:47:52,215 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-08 14:47:52,215 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-08 14:47:52,215 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,215 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,215 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,215 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,215 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-08 14:47:52,216 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-08 14:47:52,217 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-08 14:47:52,217 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-08 14:47:52,217 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-08 14:47:52,217 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-08 14:47:52,217 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-08 14:47:52,217 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-08 14:47:52,217 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-08 14:47:52,217 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-08 14:47:52,217 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-08 14:47:52,217 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-08 14:47:52,217 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-08 14:47:52,217 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-08 14:47:52,217 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-08 14:47:52,217 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-08 14:47:52,217 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-08 14:47:52,217 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 14:47:52,217 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-08 14:47:52,217 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 14:47:52,217 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 14:47:52,217 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-12-08 14:47:52,217 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (not (= ~a25~0 1))) (.cse0 (not (= ~a28~0 8))) (.cse3 (<= ~a28~0 10)) (.cse5 (= 1 ~a19~0)) (.cse4 (= ~a19~0 1)) (.cse2 (= 8 ~a17~0)) (.cse6 (not (= ~a11~0 1)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (<= ~a17~0 7) .cse0) (not (= 0 |old(~a11~0)|)) (and (= 7 ~a28~0) .cse1 .cse2) (and (not (= ~a28~0 0)) (and .cse1 .cse3 .cse0) (= ~a17~0 8) .cse4) (and (= 9 ~a28~0) .cse2 .cse5) (not (= 0 |old(~a25~0)|)) (and (= |old(~a17~0)| ~a17~0) .cse3 .cse6 (not (= ~a28~0 9))) (not (= 1 |old(~a19~0)|)) (and .cse2 .cse5 (= 10 ~a28~0)) (not (= 8 |old(~a17~0)|)) (and .cse4 (and (= 1 ~a25~0) .cse2 .cse6)))) [2018-12-08 14:47:52,217 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-08 14:47:52,218 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-08 14:47:52,218 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (not (= main_~input~0 0))) (.cse0 (not (= ~a28~0 8))) (.cse2 (= ~a19~0 1)) (.cse6 (not (= ~a25~0 1))) (.cse7 (<= ~a28~0 10)) (.cse5 (not (= ~a11~0 1))) (.cse3 (= 1 ~a25~0)) (.cse4 (= 8 ~a17~0)) (.cse8 (= 1 ~a19~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (<= ~a17~0 7) .cse0) (and .cse1 .cse2 (and .cse3 .cse4 .cse5)) (and .cse1 (not (= ~a28~0 0)) (and .cse6 .cse7 .cse0) (= ~a17~0 8) .cse2) (not (= 0 |old(~a11~0)|)) (and (= 7 ~a28~0) .cse6 .cse4 (not .cse8)) (and (= 1 ~a11~0) .cse3 (= 9 ~a28~0) .cse4 .cse8) (not (= 0 |old(~a25~0)|)) (and (= |old(~a17~0)| ~a17~0) .cse7 .cse5 (not (= ~a28~0 9))) (not (= 1 |old(~a19~0)|)) (and .cse3 .cse4 .cse8 (= 10 ~a28~0)) (not (= 8 |old(~a17~0)|)))) [2018-12-08 14:47:52,218 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-08 14:47:52,218 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-08 14:47:52,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 02:47:52 BoogieIcfgContainer [2018-12-08 14:47:52,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 14:47:52,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 14:47:52,227 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 14:47:52,227 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 14:47:52,227 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:47:32" (3/4) ... [2018-12-08 14:47:52,230 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 14:47:52,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 14:47:52,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 14:47:52,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 14:47:52,243 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 14:47:52,244 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 14:47:52,262 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(1 == a21) || !(7 == \old(a28))) || (a17 <= 7 && !(a28 == 8))) || !(0 == \old(a11))) || ((7 == a28 && !(a25 == 1)) && 8 == a17)) || (((!(a28 == 0) && (!(a25 == 1) && a28 <= 10) && !(a28 == 8)) && a17 == 8) && a19 == 1)) || ((9 == a28 && 8 == a17) && 1 == a19)) || !(0 == \old(a25))) || (((\old(a17) == a17 && a28 <= 10) && !(a11 == 1)) && !(a28 == 9))) || !(1 == \old(a19))) || ((8 == a17 && 1 == a19) && 10 == a28)) || !(8 == \old(a17))) || (a19 == 1 && (1 == a25 && 8 == a17) && !(a11 == 1)) [2018-12-08 14:47:52,322 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6c613c3a-5c4b-4149-b4a9-9cf999337cf3/bin-2019/utaipan/witness.graphml [2018-12-08 14:47:52,322 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 14:47:52,323 INFO L168 Benchmark]: Toolchain (without parser) took 20607.15 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 819.5 MB). Free memory was 942.7 MB in the beginning and 893.5 MB in the end (delta: 49.2 MB). Peak memory consumption was 868.7 MB. Max. memory is 11.5 GB. [2018-12-08 14:47:52,323 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:47:52,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 942.7 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-12-08 14:47:52,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 14:47:52,324 INFO L168 Benchmark]: Boogie Preprocessor took 36.22 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. [2018-12-08 14:47:52,324 INFO L168 Benchmark]: RCFGBuilder took 567.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 988.7 MB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. [2018-12-08 14:47:52,324 INFO L168 Benchmark]: TraceAbstraction took 19583.10 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 709.4 MB). Free memory was 988.7 MB in the beginning and 912.8 MB in the end (delta: 75.9 MB). Peak memory consumption was 785.3 MB. Max. memory is 11.5 GB. [2018-12-08 14:47:52,325 INFO L168 Benchmark]: Witness Printer took 95.19 ms. Allocated memory is still 1.8 GB. Free memory was 912.8 MB in the beginning and 893.5 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2018-12-08 14:47:52,326 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 303.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 942.7 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.22 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 567.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 988.7 MB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19583.10 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 709.4 MB). Free memory was 988.7 MB in the beginning and 912.8 MB in the end (delta: 75.9 MB). Peak memory consumption was 785.3 MB. Max. memory is 11.5 GB. * Witness Printer took 95.19 ms. Allocated memory is still 1.8 GB. Free memory was 912.8 MB in the beginning and 893.5 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 547]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((!(1 == a21) || !(7 == \old(a28))) || (a17 <= 7 && !(a28 == 8))) || !(0 == \old(a11))) || ((7 == a28 && !(a25 == 1)) && 8 == a17)) || (((!(a28 == 0) && (!(a25 == 1) && a28 <= 10) && !(a28 == 8)) && a17 == 8) && a19 == 1)) || ((9 == a28 && 8 == a17) && 1 == a19)) || !(0 == \old(a25))) || (((\old(a17) == a17 && a28 <= 10) && !(a11 == 1)) && !(a28 == 9))) || !(1 == \old(a19))) || ((8 == a17 && 1 == a19) && 10 == a28)) || !(8 == \old(a17))) || (a19 == 1 && (1 == a25 && 8 == a17) && !(a11 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 19.5s OverallTime, 11 OverallIterations, 5 TraceHistogramMax, 14.0s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 664 SDtfs, 8250 SDslu, 1133 SDs, 0 SdLazy, 13695 SolverSat, 2360 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1654 GetRequests, 1473 SyntacticMatches, 10 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2285 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2257occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.1s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9973429749641437 AbsIntWeakeningRatio, 0.17124735729386892 AbsIntAvgWeakeningVarsNumRemoved, 26.023255813953487 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 772 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 97 PreInvPairs, 159 NumberOfFragments, 628 HoareAnnotationTreeSize, 97 FomulaSimplifications, 10514 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6931 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2470 NumberOfCodeBlocks, 2470 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2932 ConstructedInterpolants, 0 QuantifiedInterpolants, 2806504 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1085 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 1464/1547 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...