./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label29_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_a6ed117f-08b9-4a73-8c01-a45626cf129f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a6ed117f-08b9-4a73-8c01-a45626cf129f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a6ed117f-08b9-4a73-8c01-a45626cf129f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a6ed117f-08b9-4a73-8c01-a45626cf129f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a6ed117f-08b9-4a73-8c01-a45626cf129f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a6ed117f-08b9-4a73-8c01-a45626cf129f/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 3449156d5b203ef4b6a1a68bea9e5efb1d4b37b1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 08:26:26,848 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:26:26,849 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:26:26,856 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:26:26,857 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:26:26,857 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:26:26,858 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:26:26,859 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:26:26,860 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:26:26,861 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:26:26,861 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:26:26,861 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:26:26,862 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:26:26,863 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:26:26,863 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:26:26,864 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:26:26,865 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:26:26,866 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:26:26,867 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:26:26,868 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:26:26,869 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:26:26,869 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:26:26,871 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:26:26,871 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:26:26,871 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:26:26,872 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:26:26,872 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:26:26,873 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:26:26,873 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:26:26,874 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:26:26,874 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:26:26,875 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:26:26,875 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:26:26,875 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:26:26,876 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:26:26,876 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:26:26,876 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a6ed117f-08b9-4a73-8c01-a45626cf129f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 08:26:26,885 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:26:26,886 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:26:26,886 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:26:26,886 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:26:26,886 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 08:26:26,886 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 08:26:26,887 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 08:26:26,887 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 08:26:26,887 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 08:26:26,887 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 08:26:26,887 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 08:26:26,887 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 08:26:26,887 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 08:26:26,888 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:26:26,888 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:26:26,888 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:26:26,888 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:26:26,888 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:26:26,888 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:26:26,889 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:26:26,889 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:26:26,889 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:26:26,889 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:26:26,889 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:26:26,889 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:26:26,889 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:26:26,890 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:26:26,890 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:26:26,890 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:26:26,890 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:26:26,890 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:26:26,890 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:26:26,890 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:26:26,890 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 08:26:26,891 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:26:26,891 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:26:26,891 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 08:26:26,891 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_a6ed117f-08b9-4a73-8c01-a45626cf129f/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 -> 3449156d5b203ef4b6a1a68bea9e5efb1d4b37b1 [2018-11-23 08:26:26,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:26:26,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:26:26,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:26:26,927 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:26:26,928 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:26:26,928 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a6ed117f-08b9-4a73-8c01-a45626cf129f/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c [2018-11-23 08:26:26,975 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a6ed117f-08b9-4a73-8c01-a45626cf129f/bin-2019/utaipan/data/3d276715b/de997373c7ee48fdb17d4e85ba3badbe/FLAGce02e8fde [2018-11-23 08:26:27,426 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:26:27,426 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a6ed117f-08b9-4a73-8c01-a45626cf129f/sv-benchmarks/c/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c [2018-11-23 08:26:27,435 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a6ed117f-08b9-4a73-8c01-a45626cf129f/bin-2019/utaipan/data/3d276715b/de997373c7ee48fdb17d4e85ba3badbe/FLAGce02e8fde [2018-11-23 08:26:27,446 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a6ed117f-08b9-4a73-8c01-a45626cf129f/bin-2019/utaipan/data/3d276715b/de997373c7ee48fdb17d4e85ba3badbe [2018-11-23 08:26:27,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:26:27,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:26:27,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:26:27,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:26:27,454 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:26:27,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:27" (1/1) ... [2018-11-23 08:26:27,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17cfd07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:27, skipping insertion in model container [2018-11-23 08:26:27,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:27" (1/1) ... [2018-11-23 08:26:27,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:26:27,500 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:26:27,720 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:26:27,723 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:26:27,791 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:26:27,804 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:26:27,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:27 WrapperNode [2018-11-23 08:26:27,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:26:27,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:26:27,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:26:27,805 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:26:27,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:27" (1/1) ... [2018-11-23 08:26:27,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:27" (1/1) ... [2018-11-23 08:26:27,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:26:27,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:26:27,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:26:27,881 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:26:27,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:27" (1/1) ... [2018-11-23 08:26:27,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:27" (1/1) ... [2018-11-23 08:26:27,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:27" (1/1) ... [2018-11-23 08:26:27,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:27" (1/1) ... [2018-11-23 08:26:27,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:27" (1/1) ... [2018-11-23 08:26:27,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:27" (1/1) ... [2018-11-23 08:26:27,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:27" (1/1) ... [2018-11-23 08:26:27,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:26:27,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:26:27,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:26:27,934 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:26:27,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a6ed117f-08b9-4a73-8c01-a45626cf129f/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 08:26:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 08:26:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:26:27,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:26:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 08:26:27,985 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 08:26:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:26:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:26:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:26:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:26:28,734 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:26:28,734 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 08:26:28,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:28 BoogieIcfgContainer [2018-11-23 08:26:28,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:26:28,735 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:26:28,735 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:26:28,737 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:26:28,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:26:27" (1/3) ... [2018-11-23 08:26:28,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ddf2706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:26:28, skipping insertion in model container [2018-11-23 08:26:28,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:27" (2/3) ... [2018-11-23 08:26:28,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ddf2706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:26:28, skipping insertion in model container [2018-11-23 08:26:28,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:28" (3/3) ... [2018-11-23 08:26:28,740 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label29_true-unreach-call_false-termination.c [2018-11-23 08:26:28,746 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:26:28,751 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:26:28,760 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:26:28,783 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:26:28,784 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:26:28,784 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:26:28,784 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:26:28,784 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:26:28,784 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:26:28,784 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:26:28,784 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:26:28,800 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 08:26:28,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 08:26:28,807 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:26:28,808 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:26:28,810 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:26:28,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:28,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1243928705, now seen corresponding path program 1 times [2018-11-23 08:26:28,815 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:26:28,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:28,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:26:28,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:28,844 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:26:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:26:29,091 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 08:26:29,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:26:29,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:26:29,093 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:26:29,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:26:29,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:26:29,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:26:29,107 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-23 08:26:29,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:26:29,637 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-23 08:26:29,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:26:29,638 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-11-23 08:26:29,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:26:29,648 INFO L225 Difference]: With dead ends: 547 [2018-11-23 08:26:29,648 INFO L226 Difference]: Without dead ends: 338 [2018-11-23 08:26:29,652 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 08:26:29,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-23 08:26:29,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-23 08:26:29,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 08:26:29,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 560 transitions. [2018-11-23 08:26:29,701 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 560 transitions. Word has length 107 [2018-11-23 08:26:29,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:26:29,702 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 560 transitions. [2018-11-23 08:26:29,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:26:29,702 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 560 transitions. [2018-11-23 08:26:29,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 08:26:29,704 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:26:29,704 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:26:29,705 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:26:29,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:29,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1742380424, now seen corresponding path program 1 times [2018-11-23 08:26:29,706 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:26:29,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:29,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:26:29,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:29,706 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:26:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:26:29,818 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 08:26:29,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:26:29,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 08:26:29,819 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:26:29,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 08:26:29,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 08:26:29,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:26:29,821 INFO L87 Difference]: Start difference. First operand 338 states and 560 transitions. Second operand 6 states. [2018-11-23 08:26:30,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:26:30,441 INFO L93 Difference]: Finished difference Result 881 states and 1484 transitions. [2018-11-23 08:26:30,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:26:30,442 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 117 [2018-11-23 08:26:30,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:26:30,446 INFO L225 Difference]: With dead ends: 881 [2018-11-23 08:26:30,446 INFO L226 Difference]: Without dead ends: 549 [2018-11-23 08:26:30,448 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 08:26:30,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2018-11-23 08:26:30,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 536. [2018-11-23 08:26:30,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2018-11-23 08:26:30,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 824 transitions. [2018-11-23 08:26:30,471 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 824 transitions. Word has length 117 [2018-11-23 08:26:30,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:26:30,472 INFO L480 AbstractCegarLoop]: Abstraction has 536 states and 824 transitions. [2018-11-23 08:26:30,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 08:26:30,472 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 824 transitions. [2018-11-23 08:26:30,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 08:26:30,474 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:26:30,475 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:26:30,475 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:26:30,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:30,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1357354234, now seen corresponding path program 1 times [2018-11-23 08:26:30,475 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:26:30,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:30,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:26:30,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:30,476 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:26:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:26:30,573 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 08:26:30,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:26:30,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:26:30,573 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:26:30,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:26:30,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:26:30,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:26:30,575 INFO L87 Difference]: Start difference. First operand 536 states and 824 transitions. Second operand 3 states. [2018-11-23 08:26:30,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:26:30,932 INFO L93 Difference]: Finished difference Result 1521 states and 2423 transitions. [2018-11-23 08:26:30,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:26:30,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2018-11-23 08:26:30,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:26:30,940 INFO L225 Difference]: With dead ends: 1521 [2018-11-23 08:26:30,940 INFO L226 Difference]: Without dead ends: 991 [2018-11-23 08:26:30,943 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 08:26:30,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2018-11-23 08:26:30,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2018-11-23 08:26:30,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states. [2018-11-23 08:26:30,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1482 transitions. [2018-11-23 08:26:30,971 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1482 transitions. Word has length 118 [2018-11-23 08:26:30,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:26:30,971 INFO L480 AbstractCegarLoop]: Abstraction has 991 states and 1482 transitions. [2018-11-23 08:26:30,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:26:30,972 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1482 transitions. [2018-11-23 08:26:30,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 08:26:30,975 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:26:30,975 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:26:30,975 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:26:30,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:30,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1051124638, now seen corresponding path program 1 times [2018-11-23 08:26:30,976 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:26:30,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:30,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:26:30,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:30,977 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:26:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:26:31,075 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 08:26:31,075 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:26:31,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 08:26:31,076 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:26:31,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 08:26:31,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 08:26:31,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:26:31,077 INFO L87 Difference]: Start difference. First operand 991 states and 1482 transitions. Second operand 6 states. [2018-11-23 08:26:32,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:26:32,077 INFO L93 Difference]: Finished difference Result 2904 states and 4593 transitions. [2018-11-23 08:26:32,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:26:32,078 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2018-11-23 08:26:32,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:26:32,087 INFO L225 Difference]: With dead ends: 2904 [2018-11-23 08:26:32,087 INFO L226 Difference]: Without dead ends: 1919 [2018-11-23 08:26:32,092 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 08:26:32,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1919 states. [2018-11-23 08:26:32,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1919 to 1870. [2018-11-23 08:26:32,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1870 states. [2018-11-23 08:26:32,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 2645 transitions. [2018-11-23 08:26:32,145 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 2645 transitions. Word has length 132 [2018-11-23 08:26:32,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:26:32,145 INFO L480 AbstractCegarLoop]: Abstraction has 1870 states and 2645 transitions. [2018-11-23 08:26:32,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 08:26:32,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2645 transitions. [2018-11-23 08:26:32,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-23 08:26:32,150 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:26:32,150 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:26:32,150 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:26:32,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:32,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1449351597, now seen corresponding path program 1 times [2018-11-23 08:26:32,151 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:26:32,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:32,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:26:32,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:32,152 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:26:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:26:32,237 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:26:32,238 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:26:32,238 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:26:32,239 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 142 with the following transitions: [2018-11-23 08:26:32,241 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], [77], [78], [82], [86], [90], [94], [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], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 08:26:32,280 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:26:32,280 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:26:32,854 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 08:26:32,856 INFO L272 AbstractInterpreter]: Visited 111 different actions 216 times. Merged at 4 different actions 4 times. Never widened. Performed 2920 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2920 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 08:26:32,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:32,863 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 08:26:33,207 INFO L227 lantSequenceWeakener]: Weakened 138 states. On average, predicates are now at 81.72% of their original sizes. [2018-11-23 08:26:33,207 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 08:26:33,274 INFO L415 sIntCurrentIteration]: We unified 140 AI predicates to 140 [2018-11-23 08:26:33,274 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 08:26:33,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:26:33,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 08:26:33,275 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:26:33,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 08:26:33,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 08:26:33,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 08:26:33,276 INFO L87 Difference]: Start difference. First operand 1870 states and 2645 transitions. Second operand 10 states. [2018-11-23 08:26:38,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:26:38,041 INFO L93 Difference]: Finished difference Result 4008 states and 5649 transitions. [2018-11-23 08:26:38,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 08:26:38,041 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 141 [2018-11-23 08:26:38,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:26:38,046 INFO L225 Difference]: With dead ends: 4008 [2018-11-23 08:26:38,047 INFO L226 Difference]: Without dead ends: 2144 [2018-11-23 08:26:38,050 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 148 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 08:26:38,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2144 states. [2018-11-23 08:26:38,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2144 to 2142. [2018-11-23 08:26:38,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2142 states. [2018-11-23 08:26:38,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 2142 states and 2943 transitions. [2018-11-23 08:26:38,083 INFO L78 Accepts]: Start accepts. Automaton has 2142 states and 2943 transitions. Word has length 141 [2018-11-23 08:26:38,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:26:38,083 INFO L480 AbstractCegarLoop]: Abstraction has 2142 states and 2943 transitions. [2018-11-23 08:26:38,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 08:26:38,083 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 2943 transitions. [2018-11-23 08:26:38,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 08:26:38,086 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:26:38,086 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:26:38,088 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:26:38,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:38,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1860694341, now seen corresponding path program 1 times [2018-11-23 08:26:38,088 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:26:38,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:38,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:26:38,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:38,089 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:26:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:26:38,165 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:26:38,166 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:26:38,166 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:26:38,166 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-11-23 08:26:38,166 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [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], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 08:26:38,170 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:26:38,170 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:26:38,291 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 08:26:38,291 INFO L272 AbstractInterpreter]: Visited 111 different actions 215 times. Merged at 3 different actions 3 times. Never widened. Performed 3058 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3058 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 08:26:38,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:38,292 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 08:26:38,461 INFO L227 lantSequenceWeakener]: Weakened 140 states. On average, predicates are now at 81.72% of their original sizes. [2018-11-23 08:26:38,461 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 08:26:38,515 INFO L415 sIntCurrentIteration]: We unified 142 AI predicates to 142 [2018-11-23 08:26:38,515 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 08:26:38,515 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:26:38,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 08:26:38,515 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:26:38,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 08:26:38,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 08:26:38,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 08:26:38,516 INFO L87 Difference]: Start difference. First operand 2142 states and 2943 transitions. Second operand 10 states. [2018-11-23 08:26:41,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:26:41,601 INFO L93 Difference]: Finished difference Result 5562 states and 7791 transitions. [2018-11-23 08:26:41,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 08:26:41,601 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 143 [2018-11-23 08:26:41,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:26:41,613 INFO L225 Difference]: With dead ends: 5562 [2018-11-23 08:26:41,613 INFO L226 Difference]: Without dead ends: 3698 [2018-11-23 08:26:41,620 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 152 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 08:26:41,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3698 states. [2018-11-23 08:26:41,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3698 to 3658. [2018-11-23 08:26:41,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3658 states. [2018-11-23 08:26:41,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3658 states to 3658 states and 4648 transitions. [2018-11-23 08:26:41,693 INFO L78 Accepts]: Start accepts. Automaton has 3658 states and 4648 transitions. Word has length 143 [2018-11-23 08:26:41,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:26:41,694 INFO L480 AbstractCegarLoop]: Abstraction has 3658 states and 4648 transitions. [2018-11-23 08:26:41,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 08:26:41,694 INFO L276 IsEmpty]: Start isEmpty. Operand 3658 states and 4648 transitions. [2018-11-23 08:26:41,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 08:26:41,699 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:26:41,699 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:26:41,699 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:26:41,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:41,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1227031692, now seen corresponding path program 1 times [2018-11-23 08:26:41,700 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:26:41,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:41,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:26:41,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:41,701 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:26:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:26:41,757 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 46 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 08:26:41,758 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:26:41,758 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:26:41,758 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-11-23 08:26:41,758 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [77], [78], [82], [86], [90], [94], [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], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 08:26:41,762 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:26:41,762 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:26:42,020 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 08:26:42,020 INFO L272 AbstractInterpreter]: Visited 113 different actions 335 times. Merged at 6 different actions 18 times. Never widened. Performed 4687 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4687 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 08:26:42,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:42,027 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 08:26:42,027 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:26:42,027 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a6ed117f-08b9-4a73-8c01-a45626cf129f/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 08:26:42,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:26:42,034 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 08:26:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:26:42,098 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:26:42,172 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 08:26:42,172 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:26:42,251 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 46 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 08:26:42,276 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 08:26:42,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-23 08:26:42,276 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 08:26:42,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 08:26:42,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 08:26:42,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 08:26:42,277 INFO L87 Difference]: Start difference. First operand 3658 states and 4648 transitions. Second operand 8 states. [2018-11-23 08:26:44,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:26:44,369 INFO L93 Difference]: Finished difference Result 13827 states and 19171 transitions. [2018-11-23 08:26:44,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 08:26:44,370 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2018-11-23 08:26:44,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:26:44,394 INFO L225 Difference]: With dead ends: 13827 [2018-11-23 08:26:44,395 INFO L226 Difference]: Without dead ends: 6753 [2018-11-23 08:26:44,430 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 320 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 08:26:44,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6753 states. [2018-11-23 08:26:44,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6753 to 6613. [2018-11-23 08:26:44,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6613 states. [2018-11-23 08:26:44,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6613 states to 6613 states and 7920 transitions. [2018-11-23 08:26:44,576 INFO L78 Accepts]: Start accepts. Automaton has 6613 states and 7920 transitions. Word has length 152 [2018-11-23 08:26:44,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:26:44,577 INFO L480 AbstractCegarLoop]: Abstraction has 6613 states and 7920 transitions. [2018-11-23 08:26:44,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 08:26:44,577 INFO L276 IsEmpty]: Start isEmpty. Operand 6613 states and 7920 transitions. [2018-11-23 08:26:44,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-23 08:26:44,586 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:26:44,586 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:26:44,587 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:26:44,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:44,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1721920054, now seen corresponding path program 1 times [2018-11-23 08:26:44,587 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:26:44,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:44,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:26:44,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:44,588 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:26:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:26:44,700 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 89 proven. 15 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 08:26:44,701 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:26:44,701 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:26:44,701 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 189 with the following transitions: [2018-11-23 08:26:44,701 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [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], [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], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 08:26:44,704 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:26:44,704 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:26:44,859 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 08:26:44,859 INFO L272 AbstractInterpreter]: Visited 112 different actions 218 times. Merged at 4 different actions 4 times. Never widened. Performed 2981 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2981 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 08:26:44,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:44,861 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 08:26:45,010 INFO L227 lantSequenceWeakener]: Weakened 185 states. On average, predicates are now at 81.67% of their original sizes. [2018-11-23 08:26:45,011 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 08:26:45,083 INFO L415 sIntCurrentIteration]: We unified 187 AI predicates to 187 [2018-11-23 08:26:45,083 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 08:26:45,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:26:45,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 08:26:45,083 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:26:45,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 08:26:45,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 08:26:45,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 08:26:45,084 INFO L87 Difference]: Start difference. First operand 6613 states and 7920 transitions. Second operand 10 states. [2018-11-23 08:26:47,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:26:47,559 INFO L93 Difference]: Finished difference Result 12651 states and 15143 transitions. [2018-11-23 08:26:47,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 08:26:47,559 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 188 [2018-11-23 08:26:47,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:26:47,579 INFO L225 Difference]: With dead ends: 12651 [2018-11-23 08:26:47,579 INFO L226 Difference]: Without dead ends: 7209 [2018-11-23 08:26:47,588 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 196 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-23 08:26:47,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7209 states. [2018-11-23 08:26:47,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7209 to 7207. [2018-11-23 08:26:47,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7207 states. [2018-11-23 08:26:47,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7207 states to 7207 states and 8559 transitions. [2018-11-23 08:26:47,709 INFO L78 Accepts]: Start accepts. Automaton has 7207 states and 8559 transitions. Word has length 188 [2018-11-23 08:26:47,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:26:47,709 INFO L480 AbstractCegarLoop]: Abstraction has 7207 states and 8559 transitions. [2018-11-23 08:26:47,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 08:26:47,709 INFO L276 IsEmpty]: Start isEmpty. Operand 7207 states and 8559 transitions. [2018-11-23 08:26:47,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 08:26:47,720 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:26:47,720 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:26:47,720 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:26:47,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:47,720 INFO L82 PathProgramCache]: Analyzing trace with hash -116331887, now seen corresponding path program 1 times [2018-11-23 08:26:47,720 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:26:47,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:47,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:26:47,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:47,721 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:26:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:26:47,832 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 86 proven. 45 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 08:26:47,832 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:26:47,832 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:26:47,832 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-11-23 08:26:47,832 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], [73], [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], [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], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 08:26:47,834 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:26:47,834 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:26:48,069 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 08:26:48,069 INFO L272 AbstractInterpreter]: Visited 114 different actions 454 times. Merged at 8 different actions 31 times. Never widened. Performed 6535 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6535 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 08:26:48,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:48,079 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 08:26:48,079 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:26:48,079 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a6ed117f-08b9-4a73-8c01-a45626cf129f/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 08:26:48,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:26:48,091 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 08:26:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:26:48,148 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:26:48,218 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-23 08:26:48,218 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:26:48,299 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 91 proven. 38 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 08:26:48,313 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 08:26:48,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-23 08:26:48,314 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 08:26:48,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 08:26:48,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 08:26:48,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-23 08:26:48,314 INFO L87 Difference]: Start difference. First operand 7207 states and 8559 transitions. Second operand 11 states. [2018-11-23 08:26:49,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:26:49,096 INFO L93 Difference]: Finished difference Result 15421 states and 18479 transitions. [2018-11-23 08:26:49,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 08:26:49,097 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 196 [2018-11-23 08:26:49,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:26:49,115 INFO L225 Difference]: With dead ends: 15421 [2018-11-23 08:26:49,115 INFO L226 Difference]: Without dead ends: 8949 [2018-11-23 08:26:49,123 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 393 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2018-11-23 08:26:49,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8949 states. [2018-11-23 08:26:49,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8949 to 8928. [2018-11-23 08:26:49,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8928 states. [2018-11-23 08:26:49,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8928 states to 8928 states and 10431 transitions. [2018-11-23 08:26:49,223 INFO L78 Accepts]: Start accepts. Automaton has 8928 states and 10431 transitions. Word has length 196 [2018-11-23 08:26:49,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:26:49,223 INFO L480 AbstractCegarLoop]: Abstraction has 8928 states and 10431 transitions. [2018-11-23 08:26:49,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 08:26:49,223 INFO L276 IsEmpty]: Start isEmpty. Operand 8928 states and 10431 transitions. [2018-11-23 08:26:49,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 08:26:49,231 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:26:49,231 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:26:49,231 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:26:49,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:49,231 INFO L82 PathProgramCache]: Analyzing trace with hash 89106555, now seen corresponding path program 2 times [2018-11-23 08:26:49,231 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:26:49,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:49,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:26:49,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:49,232 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:26:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:26:49,322 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 86 proven. 47 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 08:26:49,322 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:26:49,322 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:26:49,322 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-23 08:26:49,322 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-23 08:26:49,322 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:26:49,323 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a6ed117f-08b9-4a73-8c01-a45626cf129f/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:26:49,331 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 08:26:49,331 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-23 08:26:49,370 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-23 08:26:49,371 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 08:26:49,375 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:26:49,412 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 08:26:49,412 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:26:49,464 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 08:26:49,479 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:26:49,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-23 08:26:49,479 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:26:49,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:26:49,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:26:49,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-23 08:26:49,480 INFO L87 Difference]: Start difference. First operand 8928 states and 10431 transitions. Second operand 3 states. [2018-11-23 08:26:49,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:26:49,931 INFO L93 Difference]: Finished difference Result 21082 states and 24929 transitions. [2018-11-23 08:26:49,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:26:49,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2018-11-23 08:26:49,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:26:49,958 INFO L225 Difference]: With dead ends: 21082 [2018-11-23 08:26:49,958 INFO L226 Difference]: Without dead ends: 12358 [2018-11-23 08:26:49,970 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 391 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-23 08:26:49,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12358 states. [2018-11-23 08:26:50,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12358 to 12162. [2018-11-23 08:26:50,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12162 states. [2018-11-23 08:26:50,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12162 states to 12162 states and 14137 transitions. [2018-11-23 08:26:50,167 INFO L78 Accepts]: Start accepts. Automaton has 12162 states and 14137 transitions. Word has length 196 [2018-11-23 08:26:50,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:26:50,167 INFO L480 AbstractCegarLoop]: Abstraction has 12162 states and 14137 transitions. [2018-11-23 08:26:50,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:26:50,168 INFO L276 IsEmpty]: Start isEmpty. Operand 12162 states and 14137 transitions. [2018-11-23 08:26:50,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-23 08:26:50,183 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:26:50,183 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:26:50,183 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:26:50,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:50,183 INFO L82 PathProgramCache]: Analyzing trace with hash 840702490, now seen corresponding path program 1 times [2018-11-23 08:26:50,183 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:26:50,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:50,184 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 08:26:50,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:50,184 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:26:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:26:50,284 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 08:26:50,285 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:26:50,285 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:26:50,285 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 216 with the following transitions: [2018-11-23 08:26:50,285 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [77], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [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], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 08:26:50,289 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:26:50,289 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:26:50,602 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 08:26:50,603 INFO L272 AbstractInterpreter]: Visited 115 different actions 567 times. Merged at 9 different actions 36 times. Never widened. Performed 8132 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8132 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-23 08:26:50,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:50,604 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 08:26:50,604 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:26:50,604 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a6ed117f-08b9-4a73-8c01-a45626cf129f/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:26:50,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:26:50,610 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 08:26:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:26:50,666 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:26:50,708 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 08:26:50,708 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:26:50,789 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 08:26:50,808 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 08:26:50,808 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 08:26:50,808 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 08:26:50,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:26:50,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:26:50,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 08:26:50,809 INFO L87 Difference]: Start difference. First operand 12162 states and 14137 transitions. Second operand 9 states. [2018-11-23 08:26:51,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:26:51,822 INFO L93 Difference]: Finished difference Result 27071 states and 32735 transitions. [2018-11-23 08:26:51,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 08:26:51,822 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 215 [2018-11-23 08:26:51,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:26:51,867 INFO L225 Difference]: With dead ends: 27071 [2018-11-23 08:26:51,867 INFO L226 Difference]: Without dead ends: 14803 [2018-11-23 08:26:51,890 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 432 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2018-11-23 08:26:51,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14803 states. [2018-11-23 08:26:52,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14803 to 14535. [2018-11-23 08:26:52,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14535 states. [2018-11-23 08:26:52,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14535 states to 14535 states and 17641 transitions. [2018-11-23 08:26:52,135 INFO L78 Accepts]: Start accepts. Automaton has 14535 states and 17641 transitions. Word has length 215 [2018-11-23 08:26:52,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:26:52,135 INFO L480 AbstractCegarLoop]: Abstraction has 14535 states and 17641 transitions. [2018-11-23 08:26:52,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:26:52,135 INFO L276 IsEmpty]: Start isEmpty. Operand 14535 states and 17641 transitions. [2018-11-23 08:26:52,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-23 08:26:52,163 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:26:52,163 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 08:26:52,163 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:26:52,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:52,163 INFO L82 PathProgramCache]: Analyzing trace with hash -488488215, now seen corresponding path program 1 times [2018-11-23 08:26:52,164 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:26:52,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:52,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:26:52,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:52,165 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:26:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:26:52,375 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 122 proven. 65 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 08:26:52,375 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:26:52,376 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:26:52,376 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 222 with the following transitions: [2018-11-23 08:26:52,376 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [41], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [129], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [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], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 08:26:52,378 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:26:52,378 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:26:52,693 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 08:26:52,693 INFO L272 AbstractInterpreter]: Visited 113 different actions 561 times. Merged at 8 different actions 36 times. Widened at 1 different actions 1 times. Performed 7911 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7911 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 4 different actions. Largest state had 42 variables. [2018-11-23 08:26:52,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:52,695 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 08:26:52,883 INFO L227 lantSequenceWeakener]: Weakened 218 states. On average, predicates are now at 83.47% of their original sizes. [2018-11-23 08:26:52,883 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 08:26:52,913 INFO L415 sIntCurrentIteration]: We unified 220 AI predicates to 220 [2018-11-23 08:26:52,913 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 08:26:52,913 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:26:52,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-23 08:26:52,913 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:26:52,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:26:52,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:26:52,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:26:52,914 INFO L87 Difference]: Start difference. First operand 14535 states and 17641 transitions. Second operand 9 states. [2018-11-23 08:26:54,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:26:54,642 INFO L93 Difference]: Finished difference Result 22251 states and 27053 transitions. [2018-11-23 08:26:54,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 08:26:54,642 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 221 [2018-11-23 08:26:54,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:26:54,643 INFO L225 Difference]: With dead ends: 22251 [2018-11-23 08:26:54,643 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 08:26:54,679 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 229 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2018-11-23 08:26:54,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 08:26:54,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 08:26:54,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 08:26:54,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:26:54,680 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 221 [2018-11-23 08:26:54,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:26:54,680 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:26:54,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:26:54,680 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:26:54,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:26:54,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 08:26:55,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,863 WARN L180 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 219 [2018-11-23 08:26:55,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:55,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:26:56,378 WARN L180 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 259 [2018-11-23 08:26:58,174 WARN L180 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 341 DAG size of output: 107 [2018-11-23 08:26:58,952 WARN L180 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 79 [2018-11-23 08:26:59,959 WARN L180 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 263 DAG size of output: 81 [2018-11-23 08:26:59,960 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:26:59,960 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) (= |old(~a16~0)| ~a16~0)) [2018-11-23 08:26:59,961 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:26:59,961 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 08:26:59,961 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 08:26:59,961 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,961 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,961 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,961 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,961 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,961 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,961 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 08:26:59,961 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 08:26:59,961 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 08:26:59,961 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 08:26:59,961 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 08:26:59,962 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 08:26:59,962 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 08:26:59,962 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 08:26:59,962 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 08:26:59,962 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 08:26:59,962 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,962 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,962 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,962 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,962 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,962 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,962 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 08:26:59,962 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 08:26:59,962 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 08:26:59,962 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 08:26:59,962 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 08:26:59,962 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 08:26:59,962 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 08:26:59,962 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 08:26:59,962 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 08:26:59,962 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,963 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,964 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,964 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 08:26:59,964 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 08:26:59,964 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 08:26:59,964 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 08:26:59,964 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 08:26:59,964 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 08:26:59,964 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 08:26:59,964 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 08:26:59,964 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 08:26:59,964 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 08:26:59,964 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 08:26:59,964 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 08:26:59,964 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 08:26:59,965 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 479) no Hoare annotation was computed. [2018-11-23 08:26:59,965 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,965 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,965 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,965 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,965 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,965 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 08:26:59,965 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 08:26:59,965 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 08:26:59,965 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 08:26:59,965 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 08:26:59,965 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 08:26:59,965 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 08:26:59,965 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 08:26:59,965 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,966 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,967 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 08:26:59,967 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 08:26:59,967 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 08:26:59,967 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 08:26:59,967 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 08:26:59,967 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 08:26:59,967 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 08:26:59,967 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 08:26:59,967 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,967 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,967 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,967 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,967 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,967 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 08:26:59,967 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 08:26:59,967 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 08:26:59,967 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 08:26:59,967 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 08:26:59,967 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 08:26:59,967 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 08:26:59,968 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 08:26:59,968 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 08:26:59,968 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 08:26:59,968 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse9 (= 6 |old(~a16~0)|)) (.cse4 (<= ~a17~0 0)) (.cse31 (= ~a16~0 |old(~a16~0)|)) (.cse33 (= 1 ~a7~0)) (.cse29 (= |old(~a20~0)| ~a20~0)) (.cse28 (= |old(~a16~0)| ~a16~0)) (.cse22 (= ~a17~0 1)) (.cse30 (= ~a21~0 1)) (.cse26 (= ~a7~0 |old(~a7~0)|)) (.cse27 (= |old(~a8~0)| ~a8~0)) (.cse32 (= ~a20~0 1))) (let ((.cse21 (not (= 15 |old(~a8~0)|))) (.cse13 (and .cse28 .cse22 .cse30 .cse26 .cse27 .cse32)) (.cse19 (not (= 1 |old(~a17~0)|))) (.cse10 (and .cse33 .cse27 .cse29 .cse28)) (.cse12 (and .cse29 .cse4 .cse26 .cse27 .cse31)) (.cse5 (< 13 |old(~a8~0)|)) (.cse6 (not (= 5 |old(~a16~0)|))) (.cse15 (= 0 |old(~a16~0)|)) (.cse7 (< 0 |old(~a17~0)|)) (.cse11 (= 4 |old(~a16~0)|)) (.cse2 (and .cse33 .cse27 .cse28)) (.cse24 (not .cse9)) (.cse20 (not (= 0 |old(~a7~0)|))) (.cse14 (not (= 1 |old(~a21~0)|))) (.cse25 (= 13 |old(~a8~0)|)) (.cse16 (not (= 8 ~a12~0))) (.cse17 (= |calculate_output_#in~input| 0)) (.cse18 (= 0 |old(~a8~0)|)) (.cse8 (< 0 |old(~a20~0)|)) (.cse23 (and .cse29 .cse30 .cse26 .cse27 .cse31)) (.cse0 (not (= 1 |old(~a20~0)|))) (.cse1 (not (= 1 |old(~a7~0)|))) (.cse34 (= 1 ~a20~0)) (.cse3 (< |old(~a8~0)| 15))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse5 .cse10 .cse1 .cse8) (or .cse9 .cse11 .cse0 .cse1 .cse7 .cse12) (or .cse13 .cse14 .cse0 .cse15 .cse16 .cse1 .cse17 .cse18 .cse19) (or .cse17 (or .cse20 .cse14 .cse21 (not (= 0 |old(~a20~0)|)) .cse6 .cse16 .cse19) .cse22) (or .cse9 .cse20 .cse14 .cse23 .cse15 .cse16 .cse17 .cse18 .cse8) (or .cse24 .cse20 .cse14 .cse4 .cse25 .cse16 .cse7 .cse17 .cse18 .cse8) (or .cse9 (= |old(~a7~0)| 1) .cse5 (and .cse26 .cse27 .cse28)) (or .cse9 .cse10 .cse5 .cse0 .cse1) (or (= ~a17~0 0) .cse17 (or .cse24 .cse20 .cse14 .cse0 .cse21 (not (= 0 |old(~a17~0)|)) .cse16)) (or .cse9 .cse20 .cse14 .cse0 (and .cse29 .cse4 .cse30 .cse26 .cse27 .cse31) .cse15 .cse16 .cse7 .cse17 .cse18) (or .cse13 .cse14 .cse5 .cse0 .cse15 .cse16 .cse17 .cse18 .cse19) (or .cse20 .cse14 .cse0 .cse15 (and .cse22 .cse30 .cse26 .cse27 .cse31 .cse32) .cse16 .cse17 .cse18 .cse19) (or .cse6 .cse1 .cse10 .cse8) (or .cse24 .cse20 .cse14 .cse0 .cse25 .cse16 .cse23 .cse17 .cse18) (or .cse24 .cse20 .cse14 .cse4 .cse0 .cse25 .cse16 .cse7 .cse17 .cse18) (or .cse9 .cse25 .cse1 .cse7 .cse8 (and .cse33 .cse27 .cse29 .cse28 .cse4)) (or .cse5 .cse0 .cse1 .cse7 .cse12) (or .cse9 .cse34 .cse5 .cse0) (or .cse5 .cse6 .cse8 .cse29) (or .cse9 .cse20 .cse14 .cse4 .cse15 .cse16 .cse7 .cse17 .cse18 .cse8) (or .cse11 .cse2 .cse1 .cse3) (or .cse24 .cse20 .cse14 .cse25 .cse16 .cse17 .cse18 .cse8 .cse23) (or .cse0 .cse1 .cse34 .cse3)))) [2018-11-23 08:26:59,968 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 08:26:59,968 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,968 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,968 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,968 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,968 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 08:26:59,968 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,968 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,968 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 08:26:59,969 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 08:26:59,970 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 08:26:59,970 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 08:26:59,970 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 08:26:59,970 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 08:26:59,970 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 08:26:59,970 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 08:26:59,970 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,970 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,970 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,970 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,970 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,970 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:26:59,970 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 08:26:59,970 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 08:26:59,970 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 08:26:59,970 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 08:26:59,970 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 08:26:59,970 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 08:26:59,970 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 08:26:59,970 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 08:26:59,970 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 08:26:59,971 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 08:26:59,971 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:26:59,971 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 08:26:59,971 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:26:59,971 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:26:59,971 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 (= ~a17~0 1) (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~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 08:26:59,971 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 08:26:59,971 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse9 (= ~a16~0 6))) (let ((.cse10 (not (= ~a8~0 13))) (.cse14 (= ~a16~0 |old(~a16~0)|)) (.cse8 (not (= ~a8~0 0))) (.cse2 (= ~a17~0 1)) (.cse6 (= ~a20~0 1)) (.cse0 (not (= ~a16~0 0))) (.cse1 (not (= main_~input~0 0))) (.cse3 (= ~a21~0 1)) (.cse4 (= ~a7~0 0)) (.cse11 (<= ~a8~0 13)) (.cse15 (<= ~a8~0 |old(~a8~0)|)) (.cse16 (<= 15 ~a8~0)) (.cse7 (= 1 ~a20~0)) (.cse18 (not (= ~a16~0 4))) (.cse13 (= 1 ~a7~0)) (.cse5 (not .cse9)) (.cse17 (<= ~a17~0 0)) (.cse12 (<= ~a20~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (not (= 1 |old(~a20~0)|)) (and .cse1 .cse7 .cse8 .cse3 .cse9 .cse10 .cse4) (not (= 5 |old(~a16~0)|)) (and .cse11 .cse0 .cse1 .cse8 .cse2 .cse3 .cse6) (and .cse11 (= ~a7~0 |old(~a7~0)|) .cse5) (and .cse4 .cse0 .cse1 .cse8 .cse3 .cse10 .cse12) (and .cse11 .cse13 .cse5 .cse12) (and .cse13 .cse14 .cse12) (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and .cse15 .cse13 .cse16 .cse7) (and .cse14 .cse11 .cse12) (and .cse0 .cse13 .cse1 .cse8 .cse2 .cse3 .cse6) (and .cse0 .cse1 .cse7 .cse17 .cse3 .cse4 .cse5) (and .cse11 .cse13 .cse7 .cse5) (not (= 0 |old(~a7~0)|)) (and .cse11 .cse13 .cse7 .cse17) (and .cse15 .cse13 .cse16 .cse18) (not (= 1 |old(~a17~0)|)) (and .cse13 (and .cse7 .cse5 .cse18) .cse17) (not (= 15 |old(~a8~0)|)) (and .cse13 .cse5 .cse17 .cse12)))) [2018-11-23 08:26:59,971 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 08:26:59,971 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 08:26:59,971 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse4 (= ~a16~0 6))) (let ((.cse5 (not (= ~a8~0 13))) (.cse14 (= ~a16~0 |old(~a16~0)|)) (.cse0 (not (= main_~input~0 0))) (.cse6 (= ~a7~0 0)) (.cse7 (<= ~a8~0 13)) (.cse9 (not (= ~a16~0 0))) (.cse2 (not (= ~a8~0 0))) (.cse10 (= ~a17~0 1)) (.cse3 (= ~a21~0 1)) (.cse11 (= ~a20~0 1)) (.cse15 (<= ~a8~0 |old(~a8~0)|)) (.cse16 (<= 15 ~a8~0)) (.cse1 (= 1 ~a20~0)) (.cse18 (not (= ~a16~0 4))) (.cse12 (= 1 ~a7~0)) (.cse8 (not .cse4)) (.cse17 (<= ~a17~0 0)) (.cse13 (<= ~a20~0 0))) (or (not (= 1 |old(~a20~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (not (= 5 |old(~a16~0)|)) (and .cse7 (= ~a7~0 |old(~a7~0)|) .cse8) (and .cse7 .cse9 .cse2 .cse10 .cse3 .cse11) (and .cse7 .cse12 .cse8 .cse13) (and .cse12 .cse14 .cse13) (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and .cse15 .cse12 .cse16 .cse1) (and .cse6 .cse2 .cse3 .cse4 .cse5 .cse13) (and .cse9 .cse10 .cse3 .cse6 .cse8 .cse11) (and .cse6 .cse9 .cse8 .cse17 .cse3 .cse13) (and .cse14 .cse7 .cse13) (and .cse6 .cse9 .cse0 .cse8 .cse3 .cse13) (and .cse6 .cse9 .cse1 .cse8 .cse17 .cse3) (and .cse7 .cse12 .cse1 .cse8) (not (= 0 |old(~a7~0)|)) (and .cse7 .cse12 .cse1 .cse17) (and .cse9 .cse12 .cse2 .cse10 .cse3 .cse11) (and .cse15 .cse12 .cse16 .cse18) (not (= 1 |old(~a17~0)|)) (and .cse12 (and .cse1 .cse8 .cse18) .cse17) (not (= 15 |old(~a8~0)|)) (and .cse12 .cse8 .cse17 .cse13)))) [2018-11-23 08:26:59,971 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 08:26:59,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:26:59 BoogieIcfgContainer [2018-11-23 08:26:59,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:26:59,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:26:59,983 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:26:59,983 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:26:59,984 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:28" (3/4) ... [2018-11-23 08:26:59,987 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:26:59,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 08:26:59,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 08:26:59,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 08:26:59,998 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 08:26:59,999 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 08:27:00,017 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((!(1 == \old(a20)) || ((((((!(input == 0) && 1 == a20) && !(a8 == 0)) && a21 == 1) && a16 == 6) && !(a8 == 13)) && a7 == 0)) || !(5 == \old(a16))) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || (((a8 <= 13 && 1 == a7) && !(a16 == 6)) && a20 <= 0)) || ((1 == a7 && a16 == \old(a16)) && a20 <= 0)) || !(1 == \old(a21))) || !(8 == a12)) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && 1 == a20)) || (((((a7 == 0 && !(a8 == 0)) && a21 == 1) && a16 == 6) && !(a8 == 13)) && a20 <= 0)) || (((((!(a16 == 0) && a17 == 1) && a21 == 1) && a7 == 0) && !(a16 == 6)) && a20 == 1)) || (((((a7 == 0 && !(a16 == 0)) && !(a16 == 6)) && a17 <= 0) && a21 == 1) && a20 <= 0)) || ((a16 == \old(a16) && a8 <= 13) && a20 <= 0)) || (((((a7 == 0 && !(a16 == 0)) && !(input == 0)) && !(a16 == 6)) && a21 == 1) && a20 <= 0)) || (((((a7 == 0 && !(a16 == 0)) && 1 == a20) && !(a16 == 6)) && a17 <= 0) && a21 == 1)) || (((a8 <= 13 && 1 == a7) && 1 == a20) && !(a16 == 6))) || !(0 == \old(a7))) || (((a8 <= 13 && 1 == a7) && 1 == a20) && a17 <= 0)) || (((((!(a16 == 0) && 1 == a7) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && !(a16 == 4))) || !(1 == \old(a17))) || ((1 == a7 && (1 == a20 && !(a16 == 6)) && !(a16 == 4)) && a17 <= 0)) || !(15 == \old(a8))) || (((1 == a7 && !(a16 == 6)) && a17 <= 0) && a20 <= 0) [2018-11-23 08:27:00,075 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a6ed117f-08b9-4a73-8c01-a45626cf129f/bin-2019/utaipan/witness.graphml [2018-11-23 08:27:00,075 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:27:00,075 INFO L168 Benchmark]: Toolchain (without parser) took 32625.96 ms. Allocated memory was 1.0 GB in the beginning and 3.1 GB in the end (delta: 2.1 GB). Free memory was 951.1 MB in the beginning and 2.3 GB in the end (delta: -1.4 GB). Peak memory consumption was 669.1 MB. Max. memory is 11.5 GB. [2018-11-23 08:27:00,076 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:27:00,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.70 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 918.9 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-23 08:27:00,076 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -227.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-23 08:27:00,076 INFO L168 Benchmark]: Boogie Preprocessor took 53.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 08:27:00,077 INFO L168 Benchmark]: RCFGBuilder took 800.83 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: 109.6 MB). Peak memory consumption was 109.6 MB. Max. memory is 11.5 GB. [2018-11-23 08:27:00,077 INFO L168 Benchmark]: TraceAbstraction took 31247.86 ms. Allocated memory was 1.2 GB in the beginning and 3.1 GB in the end (delta: 1.9 GB). Free memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-11-23 08:27:00,077 INFO L168 Benchmark]: Witness Printer took 91.42 ms. Allocated memory is still 3.1 GB. Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 42.1 MB). Peak memory consumption was 42.1 MB. Max. memory is 11.5 GB. [2018-11-23 08:27:00,079 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.70 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 918.9 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 75.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -227.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 800.83 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: 109.6 MB). Peak memory consumption was 109.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31247.86 ms. Allocated memory was 1.2 GB in the beginning and 3.1 GB in the end (delta: 1.9 GB). Free memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 91.42 ms. Allocated memory is still 3.1 GB. Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 42.1 MB). Peak memory consumption was 42.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 479]: 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)) || ((((((!(input == 0) && 1 == a20) && !(a8 == 0)) && a21 == 1) && a16 == 6) && !(a8 == 13)) && a7 == 0)) || !(5 == \old(a16))) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || (((a8 <= 13 && 1 == a7) && !(a16 == 6)) && a20 <= 0)) || ((1 == a7 && a16 == \old(a16)) && a20 <= 0)) || !(1 == \old(a21))) || !(8 == a12)) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && 1 == a20)) || (((((a7 == 0 && !(a8 == 0)) && a21 == 1) && a16 == 6) && !(a8 == 13)) && a20 <= 0)) || (((((!(a16 == 0) && a17 == 1) && a21 == 1) && a7 == 0) && !(a16 == 6)) && a20 == 1)) || (((((a7 == 0 && !(a16 == 0)) && !(a16 == 6)) && a17 <= 0) && a21 == 1) && a20 <= 0)) || ((a16 == \old(a16) && a8 <= 13) && a20 <= 0)) || (((((a7 == 0 && !(a16 == 0)) && !(input == 0)) && !(a16 == 6)) && a21 == 1) && a20 <= 0)) || (((((a7 == 0 && !(a16 == 0)) && 1 == a20) && !(a16 == 6)) && a17 <= 0) && a21 == 1)) || (((a8 <= 13 && 1 == a7) && 1 == a20) && !(a16 == 6))) || !(0 == \old(a7))) || (((a8 <= 13 && 1 == a7) && 1 == a20) && a17 <= 0)) || (((((!(a16 == 0) && 1 == a7) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && !(a16 == 4))) || !(1 == \old(a17))) || ((1 == a7 && (1 == a20 && !(a16 == 6)) && !(a16 == 4)) && a17 <= 0)) || !(15 == \old(a8))) || (((1 == a7 && !(a16 == 6)) && a17 <= 0) && a20 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 31.1s OverallTime, 12 OverallIterations, 6 TraceHistogramMax, 19.2s AutomataDifference, 0.0s DeadEndRemovalTime, 5.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1527 SDtfs, 9794 SDslu, 2133 SDs, 0 SdLazy, 14038 SolverSat, 2329 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.5s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 2365 GetRequests, 2203 SyntacticMatches, 10 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14535occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.0s AbstIntTime, 7 AbstIntIterations, 4 AbstIntStrong, 0.9968973926563024 AbsIntWeakeningRatio, 0.22931785195936139 AbsIntAvgWeakeningVarsNumRemoved, 29.0188679245283 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 731 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 606 PreInvPairs, 1038 NumberOfFragments, 1569 HoareAnnotationTreeSize, 606 FomulaSimplifications, 23454 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 24473 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2685 NumberOfCodeBlocks, 2621 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3424 ConstructedInterpolants, 0 QuantifiedInterpolants, 1217130 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2105 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 20 InterpolantComputations, 6 PerfectInterpolantSequences, 1949/2189 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...