./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d3bca7d8-f17b-49b7-b683-7981f8e55f95/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d3bca7d8-f17b-49b7-b683-7981f8e55f95/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d3bca7d8-f17b-49b7-b683-7981f8e55f95/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d3bca7d8-f17b-49b7-b683-7981f8e55f95/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d3bca7d8-f17b-49b7-b683-7981f8e55f95/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d3bca7d8-f17b-49b7-b683-7981f8e55f95/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 936e1fac1e718929285e646469efe9b1619e10b2 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:17:06,860 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:17:06,861 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:17:06,870 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:17:06,870 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:17:06,871 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:17:06,872 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:17:06,873 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:17:06,874 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:17:06,875 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:17:06,875 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:17:06,876 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:17:06,876 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:17:06,877 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:17:06,878 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:17:06,878 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:17:06,879 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:17:06,880 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:17:06,881 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:17:06,882 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:17:06,883 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:17:06,884 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:17:06,886 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:17:06,886 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:17:06,886 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:17:06,887 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:17:06,888 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:17:06,888 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:17:06,889 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:17:06,889 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:17:06,890 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:17:06,890 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:17:06,890 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:17:06,891 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:17:06,891 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:17:06,892 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:17:06,892 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d3bca7d8-f17b-49b7-b683-7981f8e55f95/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 07:17:06,901 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:17:06,901 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:17:06,902 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:17:06,902 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:17:06,902 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 07:17:06,902 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 07:17:06,902 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 07:17:06,903 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 07:17:06,903 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 07:17:06,903 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 07:17:06,903 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 07:17:06,903 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 07:17:06,903 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 07:17:06,904 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:17:06,904 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:17:06,904 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:17:06,905 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:17:06,905 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:17:06,905 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:17:06,905 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:17:06,905 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:17:06,905 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:17:06,905 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:17:06,906 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:17:06,906 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:17:06,906 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:17:06,906 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:17:06,906 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:17:06,907 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:17:06,907 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:17:06,907 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:17:06,907 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:17:06,907 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:17:06,907 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 07:17:06,908 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:17:06,908 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:17:06,908 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 07:17:06,908 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_d3bca7d8-f17b-49b7-b683-7981f8e55f95/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 -> 936e1fac1e718929285e646469efe9b1619e10b2 [2018-11-23 07:17:06,931 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:17:06,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:17:06,943 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:17:06,944 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:17:06,944 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:17:06,945 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d3bca7d8-f17b-49b7-b683-7981f8e55f95/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-11-23 07:17:06,984 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3bca7d8-f17b-49b7-b683-7981f8e55f95/bin-2019/utaipan/data/e4ee27f28/59e4050d36d64ee18058d795a836e984/FLAGebf04e3e6 [2018-11-23 07:17:07,441 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:17:07,442 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d3bca7d8-f17b-49b7-b683-7981f8e55f95/sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-11-23 07:17:07,452 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3bca7d8-f17b-49b7-b683-7981f8e55f95/bin-2019/utaipan/data/e4ee27f28/59e4050d36d64ee18058d795a836e984/FLAGebf04e3e6 [2018-11-23 07:17:07,961 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d3bca7d8-f17b-49b7-b683-7981f8e55f95/bin-2019/utaipan/data/e4ee27f28/59e4050d36d64ee18058d795a836e984 [2018-11-23 07:17:07,963 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:17:07,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:17:07,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:17:07,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:17:07,967 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:17:07,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:17:07" (1/1) ... [2018-11-23 07:17:07,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c3c4ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:17:07, skipping insertion in model container [2018-11-23 07:17:07,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:17:07" (1/1) ... [2018-11-23 07:17:07,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:17:08,007 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:17:08,236 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:17:08,240 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:17:08,307 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:17:08,320 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:17:08,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:17:08 WrapperNode [2018-11-23 07:17:08,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:17:08,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:17:08,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:17:08,321 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:17:08,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:17:08" (1/1) ... [2018-11-23 07:17:08,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:17:08" (1/1) ... [2018-11-23 07:17:08,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:17:08,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:17:08,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:17:08,401 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:17:08,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:17:08" (1/1) ... [2018-11-23 07:17:08,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:17:08" (1/1) ... [2018-11-23 07:17:08,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:17:08" (1/1) ... [2018-11-23 07:17:08,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:17:08" (1/1) ... [2018-11-23 07:17:08,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:17:08" (1/1) ... [2018-11-23 07:17:08,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:17:08" (1/1) ... [2018-11-23 07:17:08,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:17:08" (1/1) ... [2018-11-23 07:17:08,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:17:08,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:17:08,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:17:08,453 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:17:08,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:17:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3bca7d8-f17b-49b7-b683-7981f8e55f95/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:17:08,499 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 07:17:08,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:17:08,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:17:08,499 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 07:17:08,499 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 07:17:08,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:17:08,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:17:08,499 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:17:08,500 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:17:09,226 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:17:09,226 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 07:17:09,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:17:09 BoogieIcfgContainer [2018-11-23 07:17:09,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:17:09,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:17:09,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:17:09,229 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:17:09,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:17:07" (1/3) ... [2018-11-23 07:17:09,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6104f00b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:17:09, skipping insertion in model container [2018-11-23 07:17:09,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:17:08" (2/3) ... [2018-11-23 07:17:09,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6104f00b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:17:09, skipping insertion in model container [2018-11-23 07:17:09,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:17:09" (3/3) ... [2018-11-23 07:17:09,232 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label41_true-unreach-call_false-termination.c [2018-11-23 07:17:09,238 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:17:09,243 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:17:09,252 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:17:09,273 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:17:09,273 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:17:09,273 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:17:09,274 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:17:09,274 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:17:09,274 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:17:09,274 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:17:09,274 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:17:09,289 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 07:17:09,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-23 07:17:09,295 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:17:09,296 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] [2018-11-23 07:17:09,297 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:17:09,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:17:09,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1692915649, now seen corresponding path program 1 times [2018-11-23 07:17:09,302 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:17:09,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:17:09,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:17:09,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:17:09,331 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:17:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:17:09,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:17:09,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:17:09,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:17:09,585 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:17:09,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:17:09,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:17:09,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:17:09,599 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-23 07:17:10,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:17:10,180 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-23 07:17:10,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:17:10,181 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2018-11-23 07:17:10,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:17:10,191 INFO L225 Difference]: With dead ends: 547 [2018-11-23 07:17:10,191 INFO L226 Difference]: Without dead ends: 338 [2018-11-23 07:17:10,195 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 [2018-11-23 07:17:10,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-23 07:17:10,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-23 07:17:10,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 07:17:10,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 560 transitions. [2018-11-23 07:17:10,240 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 560 transitions. Word has length 91 [2018-11-23 07:17:10,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:17:10,241 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 560 transitions. [2018-11-23 07:17:10,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:17:10,241 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 560 transitions. [2018-11-23 07:17:10,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 07:17:10,245 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:17:10,245 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 07:17:10,245 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:17:10,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:17:10,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1768869960, now seen corresponding path program 1 times [2018-11-23 07:17:10,246 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:17:10,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:17:10,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:17:10,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:17:10,247 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:17:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:17:10,341 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:17:10,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:17:10,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:17:10,342 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:17:10,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:17:10,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:17:10,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:17:10,344 INFO L87 Difference]: Start difference. First operand 338 states and 560 transitions. Second operand 6 states. [2018-11-23 07:17:10,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:17:10,943 INFO L93 Difference]: Finished difference Result 881 states and 1484 transitions. [2018-11-23 07:17:10,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:17:10,944 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2018-11-23 07:17:10,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:17:10,948 INFO L225 Difference]: With dead ends: 881 [2018-11-23 07:17:10,948 INFO L226 Difference]: Without dead ends: 549 [2018-11-23 07:17:10,950 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 [2018-11-23 07:17:10,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2018-11-23 07:17:10,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 536. [2018-11-23 07:17:10,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2018-11-23 07:17:10,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 824 transitions. [2018-11-23 07:17:10,974 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 824 transitions. Word has length 101 [2018-11-23 07:17:10,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:17:10,974 INFO L480 AbstractCegarLoop]: Abstraction has 536 states and 824 transitions. [2018-11-23 07:17:10,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:17:10,974 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 824 transitions. [2018-11-23 07:17:10,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 07:17:10,976 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:17:10,976 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:17:10,976 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:17:10,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:17:10,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1027824070, now seen corresponding path program 1 times [2018-11-23 07:17:10,976 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:17:10,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:17:10,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:17:10,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:17:10,978 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:17:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:17:11,062 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:17:11,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:17:11,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:17:11,063 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:17:11,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:17:11,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:17:11,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:17:11,064 INFO L87 Difference]: Start difference. First operand 536 states and 824 transitions. Second operand 3 states. [2018-11-23 07:17:11,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:17:11,428 INFO L93 Difference]: Finished difference Result 1521 states and 2423 transitions. [2018-11-23 07:17:11,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:17:11,429 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-11-23 07:17:11,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:17:11,433 INFO L225 Difference]: With dead ends: 1521 [2018-11-23 07:17:11,433 INFO L226 Difference]: Without dead ends: 991 [2018-11-23 07:17:11,435 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:17:11,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2018-11-23 07:17:11,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2018-11-23 07:17:11,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states. [2018-11-23 07:17:11,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1482 transitions. [2018-11-23 07:17:11,460 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1482 transitions. Word has length 102 [2018-11-23 07:17:11,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:17:11,460 INFO L480 AbstractCegarLoop]: Abstraction has 991 states and 1482 transitions. [2018-11-23 07:17:11,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:17:11,460 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1482 transitions. [2018-11-23 07:17:11,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-23 07:17:11,463 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:17:11,463 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:17:11,463 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:17:11,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:17:11,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1016446174, now seen corresponding path program 1 times [2018-11-23 07:17:11,464 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:17:11,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:17:11,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:17:11,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:17:11,464 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:17:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:17:11,533 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:17:11,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:17:11,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:17:11,534 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:17:11,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:17:11,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:17:11,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:17:11,535 INFO L87 Difference]: Start difference. First operand 991 states and 1482 transitions. Second operand 6 states. [2018-11-23 07:17:12,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:17:12,265 INFO L93 Difference]: Finished difference Result 2904 states and 4593 transitions. [2018-11-23 07:17:12,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:17:12,267 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 116 [2018-11-23 07:17:12,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:17:12,277 INFO L225 Difference]: With dead ends: 2904 [2018-11-23 07:17:12,277 INFO L226 Difference]: Without dead ends: 1919 [2018-11-23 07:17:12,281 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 [2018-11-23 07:17:12,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1919 states. [2018-11-23 07:17:12,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1919 to 1870. [2018-11-23 07:17:12,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1870 states. [2018-11-23 07:17:12,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 2645 transitions. [2018-11-23 07:17:12,334 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 2645 transitions. Word has length 116 [2018-11-23 07:17:12,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:17:12,334 INFO L480 AbstractCegarLoop]: Abstraction has 1870 states and 2645 transitions. [2018-11-23 07:17:12,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:17:12,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2645 transitions. [2018-11-23 07:17:12,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-23 07:17:12,338 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:17:12,339 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:17:12,339 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:17:12,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:17:12,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1605716217, now seen corresponding path program 1 times [2018-11-23 07:17:12,339 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:17:12,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:17:12,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:17:12,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:17:12,340 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:17:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:17:12,433 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:17:12,434 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:17:12,434 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:17:12,435 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 134 with the following transitions: [2018-11-23 07:17:12,436 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [373], [375], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 07:17:12,471 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:17:12,472 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:17:12,946 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:17:12,948 INFO L272 AbstractInterpreter]: Visited 95 different actions 183 times. Merged at 3 different actions 3 times. Never widened. Performed 2704 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2704 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 07:17:12,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:17:12,967 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:17:13,263 INFO L227 lantSequenceWeakener]: Weakened 130 states. On average, predicates are now at 81.4% of their original sizes. [2018-11-23 07:17:13,263 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:17:13,365 INFO L415 sIntCurrentIteration]: We unified 132 AI predicates to 132 [2018-11-23 07:17:13,365 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:17:13,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:17:13,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 07:17:13,366 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:17:13,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 07:17:13,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 07:17:13,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:17:13,367 INFO L87 Difference]: Start difference. First operand 1870 states and 2645 transitions. Second operand 10 states. [2018-11-23 07:17:17,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:17:17,823 INFO L93 Difference]: Finished difference Result 5425 states and 7664 transitions. [2018-11-23 07:17:17,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 07:17:17,824 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 133 [2018-11-23 07:17:17,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:17:17,832 INFO L225 Difference]: With dead ends: 5425 [2018-11-23 07:17:17,832 INFO L226 Difference]: Without dead ends: 3561 [2018-11-23 07:17:17,836 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 142 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 07:17:17,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3561 states. [2018-11-23 07:17:17,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3561 to 3521. [2018-11-23 07:17:17,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3521 states. [2018-11-23 07:17:17,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3521 states to 3521 states and 4495 transitions. [2018-11-23 07:17:17,891 INFO L78 Accepts]: Start accepts. Automaton has 3521 states and 4495 transitions. Word has length 133 [2018-11-23 07:17:17,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:17:17,891 INFO L480 AbstractCegarLoop]: Abstraction has 3521 states and 4495 transitions. [2018-11-23 07:17:17,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 07:17:17,891 INFO L276 IsEmpty]: Start isEmpty. Operand 3521 states and 4495 transitions. [2018-11-23 07:17:17,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 07:17:17,895 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:17:17,895 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:17:17,895 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:17:17,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:17:17,896 INFO L82 PathProgramCache]: Analyzing trace with hash 910344196, now seen corresponding path program 1 times [2018-11-23 07:17:17,896 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:17:17,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:17:17,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:17:17,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:17:17,897 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:17:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:17:17,980 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 55 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 07:17:17,981 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:17:17,981 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:17:17,981 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-11-23 07:17:17,981 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [373], [375], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 07:17:17,985 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:17:17,986 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:17:18,099 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:17:18,099 INFO L272 AbstractInterpreter]: Visited 96 different actions 186 times. Merged at 4 different actions 4 times. Never widened. Performed 2596 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2596 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 07:17:18,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:17:18,107 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:17:18,229 INFO L227 lantSequenceWeakener]: Weakened 142 states. On average, predicates are now at 81.4% of their original sizes. [2018-11-23 07:17:18,229 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:17:18,276 INFO L415 sIntCurrentIteration]: We unified 144 AI predicates to 144 [2018-11-23 07:17:18,276 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:17:18,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:17:18,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 07:17:18,277 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:17:18,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 07:17:18,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 07:17:18,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:17:18,278 INFO L87 Difference]: Start difference. First operand 3521 states and 4495 transitions. Second operand 10 states. [2018-11-23 07:17:20,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:17:20,056 INFO L93 Difference]: Finished difference Result 7040 states and 9035 transitions. [2018-11-23 07:17:20,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 07:17:20,057 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 145 [2018-11-23 07:17:20,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:17:20,072 INFO L225 Difference]: With dead ends: 7040 [2018-11-23 07:17:20,072 INFO L226 Difference]: Without dead ends: 3660 [2018-11-23 07:17:20,081 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 152 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 07:17:20,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3660 states. [2018-11-23 07:17:20,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3660 to 3658. [2018-11-23 07:17:20,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3658 states. [2018-11-23 07:17:20,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3658 states to 3658 states and 4648 transitions. [2018-11-23 07:17:20,172 INFO L78 Accepts]: Start accepts. Automaton has 3658 states and 4648 transitions. Word has length 145 [2018-11-23 07:17:20,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:17:20,172 INFO L480 AbstractCegarLoop]: Abstraction has 3658 states and 4648 transitions. [2018-11-23 07:17:20,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 07:17:20,172 INFO L276 IsEmpty]: Start isEmpty. Operand 3658 states and 4648 transitions. [2018-11-23 07:17:20,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-23 07:17:20,179 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:17:20,179 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-11-23 07:17:20,180 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:17:20,180 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:17:20,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1711790517, now seen corresponding path program 1 times [2018-11-23 07:17:20,180 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:17:20,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:17:20,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:17:20,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:17:20,181 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:17:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:17:20,357 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 67 proven. 14 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 07:17:20,357 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:17:20,357 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:17:20,358 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-11-23 07:17:20,358 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [373], [375], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 07:17:20,362 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:17:20,362 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:17:20,603 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 07:17:20,604 INFO L272 AbstractInterpreter]: Visited 98 different actions 290 times. Merged at 6 different actions 18 times. Never widened. Performed 4202 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4202 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 07:17:20,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:17:20,612 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 07:17:20,612 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:17:20,612 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3bca7d8-f17b-49b7-b683-7981f8e55f95/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:17:20,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:17:20,621 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 07:17:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:17:20,684 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:17:20,743 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-23 07:17:20,743 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:17:20,805 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 67 proven. 14 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 07:17:20,821 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 07:17:20,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-23 07:17:20,822 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 07:17:20,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 07:17:20,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 07:17:20,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 07:17:20,823 INFO L87 Difference]: Start difference. First operand 3658 states and 4648 transitions. Second operand 8 states. [2018-11-23 07:17:22,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:17:22,894 INFO L93 Difference]: Finished difference Result 13827 states and 19171 transitions. [2018-11-23 07:17:22,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 07:17:22,895 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 156 [2018-11-23 07:17:22,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:17:22,919 INFO L225 Difference]: With dead ends: 13827 [2018-11-23 07:17:22,920 INFO L226 Difference]: Without dead ends: 6814 [2018-11-23 07:17:22,945 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-11-23 07:17:22,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6814 states. [2018-11-23 07:17:23,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6814 to 6676. [2018-11-23 07:17:23,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6676 states. [2018-11-23 07:17:23,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6676 states to 6676 states and 7990 transitions. [2018-11-23 07:17:23,091 INFO L78 Accepts]: Start accepts. Automaton has 6676 states and 7990 transitions. Word has length 156 [2018-11-23 07:17:23,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:17:23,092 INFO L480 AbstractCegarLoop]: Abstraction has 6676 states and 7990 transitions. [2018-11-23 07:17:23,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 07:17:23,092 INFO L276 IsEmpty]: Start isEmpty. Operand 6676 states and 7990 transitions. [2018-11-23 07:17:23,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-23 07:17:23,103 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:17:23,104 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 07:17:23,104 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:17:23,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:17:23,104 INFO L82 PathProgramCache]: Analyzing trace with hash 472322800, now seen corresponding path program 1 times [2018-11-23 07:17:23,104 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:17:23,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:17:23,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:17:23,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:17:23,105 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:17:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:17:23,232 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 103 proven. 48 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:17:23,232 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:17:23,232 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:17:23,232 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 199 with the following transitions: [2018-11-23 07:17:23,233 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [205], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [373], [375], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 07:17:23,235 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:17:23,235 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:17:23,518 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 07:17:23,518 INFO L272 AbstractInterpreter]: Visited 97 different actions 380 times. Merged at 7 different actions 25 times. Never widened. Performed 5540 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5540 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-23 07:17:23,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:17:23,529 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 07:17:23,529 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:17:23,529 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3bca7d8-f17b-49b7-b683-7981f8e55f95/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:17:23,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:17:23,540 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 07:17:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:17:23,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:17:23,647 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-23 07:17:23,648 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:17:23,757 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 108 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-23 07:17:23,787 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 07:17:23,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-23 07:17:23,788 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 07:17:23,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 07:17:23,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 07:17:23,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-23 07:17:23,790 INFO L87 Difference]: Start difference. First operand 6676 states and 7990 transitions. Second operand 12 states. [2018-11-23 07:17:26,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:17:26,335 INFO L93 Difference]: Finished difference Result 23785 states and 31446 transitions. [2018-11-23 07:17:26,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-23 07:17:26,336 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 198 [2018-11-23 07:17:26,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:17:26,337 INFO L225 Difference]: With dead ends: 23785 [2018-11-23 07:17:26,337 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 07:17:26,401 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 475 GetRequests, 427 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=479, Invalid=1873, Unknown=0, NotChecked=0, Total=2352 [2018-11-23 07:17:26,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 07:17:26,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 07:17:26,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 07:17:26,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 07:17:26,403 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 198 [2018-11-23 07:17:26,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:17:26,403 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:17:26,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 07:17:26,404 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:17:26,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:17:26,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 07:17:26,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:26,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,439 WARN L180 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 240 [2018-11-23 07:17:27,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:27,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:28,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:28,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:28,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:17:28,021 WARN L180 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 270 [2018-11-23 07:17:28,863 WARN L180 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 75 [2018-11-23 07:17:29,429 WARN L180 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 61 [2018-11-23 07:17:30,205 WARN L180 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 58 [2018-11-23 07:17:30,206 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:17:30,206 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0)) [2018-11-23 07:17:30,206 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:17:30,207 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 07:17:30,207 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 07:17:30,207 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,207 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,207 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,207 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,207 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,207 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,207 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 07:17:30,207 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 07:17:30,207 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 07:17:30,207 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 07:17:30,207 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 07:17:30,207 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 07:17:30,207 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 07:17:30,207 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 07:17:30,207 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 07:17:30,207 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 07:17:30,208 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,208 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,208 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,208 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,208 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,208 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,208 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 07:17:30,208 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 07:17:30,208 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 07:17:30,208 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 07:17:30,208 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 07:17:30,208 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 07:17:30,208 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 07:17:30,208 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 07:17:30,208 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 07:17:30,208 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 07:17:30,208 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 07:17:30,208 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 07:17:30,209 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 07:17:30,209 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 07:17:30,209 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 07:17:30,209 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,209 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,209 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,209 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,209 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,209 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 07:17:30,209 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 07:17:30,209 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 07:17:30,209 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 07:17:30,209 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 07:17:30,209 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 07:17:30,209 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 07:17:30,209 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 07:17:30,210 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 07:17:30,210 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,210 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,210 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,210 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,210 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,210 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 07:17:30,210 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 07:17:30,210 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 07:17:30,210 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 07:17:30,210 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 07:17:30,210 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 07:17:30,210 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 07:17:30,211 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 07:17:30,211 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 07:17:30,211 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 07:17:30,211 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 07:17:30,211 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 07:17:30,211 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 07:17:30,211 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,211 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,211 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,211 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,212 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,212 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 07:17:30,212 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 07:17:30,212 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 07:17:30,212 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 07:17:30,212 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 07:17:30,212 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 07:17:30,212 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 07:17:30,212 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 07:17:30,212 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 07:17:30,212 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,213 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,213 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,213 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,213 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,213 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,213 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 07:17:30,213 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,213 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 07:17:30,213 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 07:17:30,213 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 07:17:30,213 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 07:17:30,214 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 07:17:30,214 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 07:17:30,214 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 07:17:30,214 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 07:17:30,214 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 07:17:30,214 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 07:17:30,214 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 07:17:30,214 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 07:17:30,214 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 07:17:30,214 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,214 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,215 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,215 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,215 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,215 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 07:17:30,215 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 07:17:30,215 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 07:17:30,215 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 07:17:30,215 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 07:17:30,215 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 07:17:30,215 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 07:17:30,215 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 07:17:30,216 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,216 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,216 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,216 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,216 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,216 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 07:17:30,216 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 07:17:30,216 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 07:17:30,216 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 07:17:30,216 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 07:17:30,217 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 07:17:30,217 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 07:17:30,217 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 07:17:30,217 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 07:17:30,217 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 07:17:30,217 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse7 (= ~a7~0 |old(~a7~0)|)) (.cse8 (= |old(~a8~0)| ~a8~0)) (.cse14 (= |old(~a20~0)| ~a20~0)) (.cse15 (= ~a17~0 |old(~a17~0)|)) (.cse5 (= |old(~a16~0)| ~a16~0)) (.cse3 (= 1 |old(~a17~0)|))) (let ((.cse6 (= ~a21~0 1)) (.cse12 (= |calculate_output_#in~input| 0)) (.cse9 (not (= 1 |old(~a21~0)|))) (.cse11 (not (= 8 ~a12~0))) (.cse13 (not .cse3)) (.cse1 (and (= 1 ~a7~0) .cse8 .cse14 .cse15 .cse5)) (.cse2 (not (= 1 |old(~a7~0)|))) (.cse10 (not (= 1 |old(~a20~0)|))) (.cse0 (= 6 |old(~a16~0)|)) (.cse4 (and .cse7 .cse8 .cse14 .cse15 .cse5))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or (and .cse5 (= ~a17~0 1) .cse6 .cse7 .cse8 (= ~a20~0 1)) .cse9 .cse10 (= 0 |old(~a16~0)|) .cse11 .cse12 (= 0 |old(~a8~0)|) .cse13) (or .cse6 .cse12 (or (not (= 0 |old(~a7~0)|)) .cse9 (not (= 15 |old(~a8~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) .cse11 .cse13)) (or .cse1 (not (= |old(~a20~0)| 1)) .cse2 (< 0 |old(~a17~0)|)) (or .cse0 (and .cse7 .cse8 (= 1 ~a20~0) .cse5) .cse10) (or .cse0 (= 4 |old(~a16~0)|) (and .cse7 .cse8 .cse5)) (or .cse4 (= 13 |old(~a8~0)|))))) [2018-11-23 07:17:30,217 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 07:17:30,217 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,218 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,218 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,218 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,218 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 07:17:30,218 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,218 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,218 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 07:17:30,218 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 07:17:30,218 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 07:17:30,218 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 07:17:30,218 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 07:17:30,218 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 07:17:30,219 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 07:17:30,219 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 07:17:30,219 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 07:17:30,219 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 07:17:30,219 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 07:17:30,219 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 07:17:30,219 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,219 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,219 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,219 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,220 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,220 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 07:17:30,220 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,220 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 07:17:30,220 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 07:17:30,220 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 07:17:30,220 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 07:17:30,220 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 07:17:30,220 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 07:17:30,220 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 07:17:30,220 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 07:17:30,220 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 07:17:30,221 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 07:17:30,221 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 07:17:30,221 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 07:17:30,221 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 07:17:30,221 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 07:17:30,221 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,221 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,221 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,221 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,221 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,221 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:17:30,222 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 07:17:30,222 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 07:17:30,222 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 07:17:30,222 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 07:17:30,222 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 07:17:30,222 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 07:17:30,222 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 07:17:30,222 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 07:17:30,222 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 431) no Hoare annotation was computed. [2018-11-23 07:17:30,222 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 07:17:30,223 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 07:17:30,223 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:17:30,223 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-23 07:17:30,223 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 07:17:30,223 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:17:30,223 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (and (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-11-23 07:17:30,223 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 07:17:30,224 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= ~a17~0 1)) (.cse2 (= 1 ~a7~0)) (.cse3 (= 1 ~a20~0)) (.cse4 (= ~a7~0 |old(~a7~0)|)) (.cse1 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (not (= ~a16~0 0)) (not (= main_~input~0 0)) .cse0 (= ~a21~0 1) (= ~a20~0 1)) (not (= ~a8~0 13)) (and .cse1 (not .cse0)) (and .cse2 .cse3 (<= ~a17~0 0)) (and .cse2 .cse1) (not (= 1 |old(~a21~0)|)) (and .cse4 .cse3 .cse1) (not (= 8 ~a12~0)) (and .cse4 .cse1 (not (= ~a16~0 4))) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-11-23 07:17:30,224 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 07:17:30,224 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 07:17:30,224 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse1 (= ~a17~0 1)) (.cse2 (= 1 ~a7~0)) (.cse3 (= 1 ~a20~0)) (.cse4 (= ~a7~0 |old(~a7~0)|)) (.cse0 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (not (= ~a8~0 13)) (and .cse0 (not .cse1)) (and (not (= ~a16~0 0)) .cse1 (= ~a21~0 1) (= ~a20~0 1)) (and .cse2 .cse3 (<= ~a17~0 0)) (and .cse2 .cse0) (not (= 1 |old(~a21~0)|)) (and .cse4 .cse3 .cse0) (not (= 8 ~a12~0)) (and .cse4 .cse0 (not (= ~a16~0 4))) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-11-23 07:17:30,224 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 07:17:30,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:17:30 BoogieIcfgContainer [2018-11-23 07:17:30,234 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:17:30,234 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:17:30,234 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:17:30,234 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:17:30,235 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:17:09" (3/4) ... [2018-11-23 07:17:30,238 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:17:30,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 07:17:30,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 07:17:30,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 07:17:30,252 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 07:17:30,253 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 07:17:30,271 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(1 == \old(a20)) || !(5 == \old(a16))) || !(a8 == 13)) || (!(a16 == 6) && !(a17 == 1))) || (((!(a16 == 0) && a17 == 1) && a21 == 1) && a20 == 1)) || ((1 == a7 && 1 == a20) && a17 <= 0)) || (1 == a7 && !(a16 == 6))) || !(1 == \old(a21))) || ((a7 == \old(a7) && 1 == a20) && !(a16 == 6))) || !(8 == a12)) || ((a7 == \old(a7) && !(a16 == 6)) && !(a16 == 4))) || !(0 == \old(a7))) || !(1 == \old(a17))) || !(15 == \old(a8)) [2018-11-23 07:17:30,344 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d3bca7d8-f17b-49b7-b683-7981f8e55f95/bin-2019/utaipan/witness.graphml [2018-11-23 07:17:30,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:17:30,345 INFO L168 Benchmark]: Toolchain (without parser) took 22381.17 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 953.9 MB in the beginning and 776.0 MB in the end (delta: 177.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-23 07:17:30,345 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:17:30,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.84 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 921.7 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-23 07:17:30,346 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -197.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:17:30,346 INFO L168 Benchmark]: Boogie Preprocessor took 51.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:17:30,346 INFO L168 Benchmark]: RCFGBuilder took 773.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 113.3 MB). Peak memory consumption was 113.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:17:30,346 INFO L168 Benchmark]: TraceAbstraction took 21006.43 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 802.0 MB in the end (delta: 204.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-23 07:17:30,347 INFO L168 Benchmark]: Witness Printer took 110.27 ms. Allocated memory is still 2.2 GB. Free memory was 802.0 MB in the beginning and 776.0 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2018-11-23 07:17:30,348 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.84 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 921.7 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -197.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 773.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 113.3 MB). Peak memory consumption was 113.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21006.43 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 802.0 MB in the end (delta: 204.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 110.27 ms. Allocated memory is still 2.2 GB. Free memory was 802.0 MB in the beginning and 776.0 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 431]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((!(1 == \old(a20)) || !(5 == \old(a16))) || !(a8 == 13)) || (!(a16 == 6) && !(a17 == 1))) || (((!(a16 == 0) && a17 == 1) && a21 == 1) && a20 == 1)) || ((1 == a7 && 1 == a20) && a17 <= 0)) || (1 == a7 && !(a16 == 6))) || !(1 == \old(a21))) || ((a7 == \old(a7) && 1 == a20) && !(a16 == 6))) || !(8 == a12)) || ((a7 == \old(a7) && !(a16 == 6)) && !(a16 == 4))) || !(0 == \old(a7))) || !(1 == \old(a17))) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 20.9s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 13.3s AutomataDifference, 0.0s DeadEndRemovalTime, 3.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1010 SDtfs, 8311 SDslu, 1463 SDs, 0 SdLazy, 11638 SolverSat, 2630 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1155 GetRequests, 1023 SyntacticMatches, 5 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 934 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6676occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.2s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9964679778459986 AbsIntWeakeningRatio, 0.2753623188405797 AbsIntAvgWeakeningVarsNumRemoved, 28.73913043478261 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 242 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 367 PreInvPairs, 875 NumberOfFragments, 501 HoareAnnotationTreeSize, 367 FomulaSimplifications, 21926 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 22141 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1396 NumberOfCodeBlocks, 1396 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1738 ConstructedInterpolants, 0 QuantifiedInterpolants, 454778 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1076 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 862/967 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...