./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label11_true-unreach-call.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_e227fef1-fa6d-4689-9210-70b4dbbbc10c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label11_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/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 6a0026f8c6b7a380d23358cfd36c0fa51e5f8b48 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 03:39:56,816 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:39:56,817 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:39:56,824 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:39:56,825 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:39:56,825 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:39:56,826 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:39:56,827 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:39:56,828 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:39:56,828 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:39:56,829 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:39:56,829 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:39:56,830 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:39:56,830 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:39:56,831 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:39:56,832 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:39:56,832 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:39:56,833 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:39:56,835 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:39:56,836 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:39:56,836 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:39:56,837 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:39:56,839 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:39:56,839 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:39:56,839 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:39:56,840 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:39:56,841 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:39:56,841 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:39:56,842 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:39:56,842 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:39:56,843 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:39:56,843 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:39:56,843 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:39:56,843 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:39:56,844 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:39:56,845 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:39:56,845 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 03:39:56,855 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:39:56,855 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:39:56,855 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:39:56,855 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:39:56,856 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 03:39:56,856 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 03:39:56,856 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 03:39:56,856 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 03:39:56,856 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 03:39:56,856 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 03:39:56,856 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 03:39:56,856 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 03:39:56,856 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 03:39:56,857 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:39:56,857 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:39:56,857 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:39:56,857 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:39:56,857 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:39:56,858 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:39:56,858 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:39:56,858 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:39:56,858 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:39:56,858 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:39:56,858 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:39:56,858 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:39:56,859 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:39:56,859 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:39:56,859 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:39:56,859 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:39:56,859 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:39:56,859 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:39:56,859 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:39:56,859 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:39:56,860 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 03:39:56,860 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:39:56,860 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:39:56,860 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 03:39:56,860 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_e227fef1-fa6d-4689-9210-70b4dbbbc10c/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 -> 6a0026f8c6b7a380d23358cfd36c0fa51e5f8b48 [2018-11-23 03:39:56,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:39:56,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:39:56,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:39:56,893 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:39:56,893 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:39:56,893 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label11_true-unreach-call.c [2018-11-23 03:39:56,928 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/bin-2019/utaipan/data/3d5c7331e/8052739ff39945d8a13a53d454ca5b62/FLAG8c4f46512 [2018-11-23 03:39:57,419 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:39:57,419 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/sv-benchmarks/c/eca-rers2012/Problem16_label11_true-unreach-call.c [2018-11-23 03:39:57,432 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/bin-2019/utaipan/data/3d5c7331e/8052739ff39945d8a13a53d454ca5b62/FLAG8c4f46512 [2018-11-23 03:39:57,915 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/bin-2019/utaipan/data/3d5c7331e/8052739ff39945d8a13a53d454ca5b62 [2018-11-23 03:39:57,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:39:57,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:39:57,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:39:57,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:39:57,922 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:39:57,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:57" (1/1) ... [2018-11-23 03:39:57,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f375ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:57, skipping insertion in model container [2018-11-23 03:39:57,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:57" (1/1) ... [2018-11-23 03:39:57,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:39:57,986 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:39:58,365 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:39:58,367 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:39:58,613 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:39:58,626 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:39:58,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:58 WrapperNode [2018-11-23 03:39:58,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:39:58,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:39:58,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:39:58,627 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:39:58,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:58" (1/1) ... [2018-11-23 03:39:58,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:58" (1/1) ... [2018-11-23 03:39:58,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:39:58,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:39:58,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:39:58,663 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:39:58,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:58" (1/1) ... [2018-11-23 03:39:58,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:58" (1/1) ... [2018-11-23 03:39:58,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:58" (1/1) ... [2018-11-23 03:39:58,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:58" (1/1) ... [2018-11-23 03:39:58,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:58" (1/1) ... [2018-11-23 03:39:58,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:58" (1/1) ... [2018-11-23 03:39:58,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:58" (1/1) ... [2018-11-23 03:39:58,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:39:58,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:39:58,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:39:58,742 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:39:58,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/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 03:39:58,784 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 03:39:58,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:39:58,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:39:58,785 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-23 03:39:58,785 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-23 03:39:58,785 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 03:39:58,785 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 03:39:58,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:39:58,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:39:58,785 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:39:58,785 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:40:00,163 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:40:00,163 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 03:40:00,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:00 BoogieIcfgContainer [2018-11-23 03:40:00,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:40:00,165 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:40:00,165 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:40:00,167 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:40:00,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:39:57" (1/3) ... [2018-11-23 03:40:00,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:40:00, skipping insertion in model container [2018-11-23 03:40:00,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:58" (2/3) ... [2018-11-23 03:40:00,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:40:00, skipping insertion in model container [2018-11-23 03:40:00,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:00" (3/3) ... [2018-11-23 03:40:00,169 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label11_true-unreach-call.c [2018-11-23 03:40:00,176 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:40:00,182 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:40:00,192 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:40:00,216 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:40:00,216 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:40:00,217 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:40:00,217 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:40:00,217 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:40:00,217 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:40:00,217 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:40:00,217 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:40:00,236 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-11-23 03:40:00,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 03:40:00,242 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:40:00,242 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] [2018-11-23 03:40:00,244 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:40:00,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:40:00,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1003051062, now seen corresponding path program 1 times [2018-11-23 03:40:00,249 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:40:00,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:40:00,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:40:00,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:40:00,279 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:40:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:40:00,456 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 03:40:00,458 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:40:00,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:40:00,458 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:40:00,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:40:00,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:40:00,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:40:00,472 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-11-23 03:40:01,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:40:01,775 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-11-23 03:40:01,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:40:01,776 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-23 03:40:01,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:40:01,791 INFO L225 Difference]: With dead ends: 1153 [2018-11-23 03:40:01,791 INFO L226 Difference]: Without dead ends: 742 [2018-11-23 03:40:01,797 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 03:40:01,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2018-11-23 03:40:01,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2018-11-23 03:40:01,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-11-23 03:40:01,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1353 transitions. [2018-11-23 03:40:01,856 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1353 transitions. Word has length 61 [2018-11-23 03:40:01,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:40:01,856 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1353 transitions. [2018-11-23 03:40:01,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:40:01,856 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1353 transitions. [2018-11-23 03:40:01,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-23 03:40:01,861 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:40:01,861 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:40:01,861 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:40:01,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:40:01,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1399533719, now seen corresponding path program 1 times [2018-11-23 03:40:01,862 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:40:01,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:40:01,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:40:01,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:40:01,863 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:40:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:40:01,973 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:40:01,974 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:40:01,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 03:40:01,974 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:40:01,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 03:40:01,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 03:40:01,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:40:01,975 INFO L87 Difference]: Start difference. First operand 742 states and 1353 transitions. Second operand 5 states. [2018-11-23 03:40:03,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:40:03,744 INFO L93 Difference]: Finished difference Result 2186 states and 4075 transitions. [2018-11-23 03:40:03,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:40:03,745 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2018-11-23 03:40:03,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:40:03,752 INFO L225 Difference]: With dead ends: 2186 [2018-11-23 03:40:03,753 INFO L226 Difference]: Without dead ends: 1450 [2018-11-23 03:40:03,754 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:40:03,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2018-11-23 03:40:03,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1432. [2018-11-23 03:40:03,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1432 states. [2018-11-23 03:40:03,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2546 transitions. [2018-11-23 03:40:03,793 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2546 transitions. Word has length 130 [2018-11-23 03:40:03,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:40:03,793 INFO L480 AbstractCegarLoop]: Abstraction has 1432 states and 2546 transitions. [2018-11-23 03:40:03,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 03:40:03,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2546 transitions. [2018-11-23 03:40:03,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-23 03:40:03,797 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:40:03,798 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:40:03,798 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:40:03,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:40:03,798 INFO L82 PathProgramCache]: Analyzing trace with hash -32887422, now seen corresponding path program 1 times [2018-11-23 03:40:03,798 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:40:03,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:40:03,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:40:03,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:40:03,799 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:40:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:40:03,941 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:40:03,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:40:03,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 03:40:03,942 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:40:03,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:40:03,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:40:03,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:40:03,943 INFO L87 Difference]: Start difference. First operand 1432 states and 2546 transitions. Second operand 6 states. [2018-11-23 03:40:06,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:40:06,003 INFO L93 Difference]: Finished difference Result 3924 states and 7012 transitions. [2018-11-23 03:40:06,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:40:06,004 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-11-23 03:40:06,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:40:06,014 INFO L225 Difference]: With dead ends: 3924 [2018-11-23 03:40:06,014 INFO L226 Difference]: Without dead ends: 2498 [2018-11-23 03:40:06,018 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 03:40:06,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2018-11-23 03:40:06,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2473. [2018-11-23 03:40:06,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2473 states. [2018-11-23 03:40:06,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 2473 states and 3990 transitions. [2018-11-23 03:40:06,058 INFO L78 Accepts]: Start accepts. Automaton has 2473 states and 3990 transitions. Word has length 159 [2018-11-23 03:40:06,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:40:06,058 INFO L480 AbstractCegarLoop]: Abstraction has 2473 states and 3990 transitions. [2018-11-23 03:40:06,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:40:06,059 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 3990 transitions. [2018-11-23 03:40:06,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 03:40:06,061 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:40:06,061 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:40:06,061 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:40:06,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:40:06,062 INFO L82 PathProgramCache]: Analyzing trace with hash -909637690, now seen corresponding path program 1 times [2018-11-23 03:40:06,062 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:40:06,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:40:06,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:40:06,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:40:06,063 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:40:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:40:06,170 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:40:06,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:40:06,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 03:40:06,170 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:40:06,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:40:06,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:40:06,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:40:06,171 INFO L87 Difference]: Start difference. First operand 2473 states and 3990 transitions. Second operand 6 states. [2018-11-23 03:40:07,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:40:07,425 INFO L93 Difference]: Finished difference Result 6029 states and 9875 transitions. [2018-11-23 03:40:07,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:40:07,425 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 177 [2018-11-23 03:40:07,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:40:07,438 INFO L225 Difference]: With dead ends: 6029 [2018-11-23 03:40:07,438 INFO L226 Difference]: Without dead ends: 3562 [2018-11-23 03:40:07,446 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 03:40:07,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3562 states. [2018-11-23 03:40:07,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3562 to 3536. [2018-11-23 03:40:07,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3536 states. [2018-11-23 03:40:07,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3536 states and 4956 transitions. [2018-11-23 03:40:07,526 INFO L78 Accepts]: Start accepts. Automaton has 3536 states and 4956 transitions. Word has length 177 [2018-11-23 03:40:07,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:40:07,526 INFO L480 AbstractCegarLoop]: Abstraction has 3536 states and 4956 transitions. [2018-11-23 03:40:07,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:40:07,526 INFO L276 IsEmpty]: Start isEmpty. Operand 3536 states and 4956 transitions. [2018-11-23 03:40:07,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-11-23 03:40:07,530 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:40:07,530 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:40:07,530 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:40:07,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:40:07,530 INFO L82 PathProgramCache]: Analyzing trace with hash -81123022, now seen corresponding path program 1 times [2018-11-23 03:40:07,531 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:40:07,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:40:07,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:40:07,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:40:07,531 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:40:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:40:07,704 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 120 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 03:40:07,704 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:40:07,704 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:40:07,705 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 260 with the following transitions: [2018-11-23 03:40:07,707 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:40:07,743 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:40:07,743 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:40:08,063 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:40:08,064 INFO L272 AbstractInterpreter]: Visited 134 different actions 134 times. Never merged. Never widened. Performed 1261 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1261 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 03:40:08,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:40:08,077 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:40:08,471 INFO L227 lantSequenceWeakener]: Weakened 250 states. On average, predicates are now at 78.06% of their original sizes. [2018-11-23 03:40:08,471 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:40:08,495 INFO L415 sIntCurrentIteration]: We unified 258 AI predicates to 258 [2018-11-23 03:40:08,495 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:40:08,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:40:08,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-11-23 03:40:08,496 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:40:08,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:40:08,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:40:08,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:40:08,497 INFO L87 Difference]: Start difference. First operand 3536 states and 4956 transitions. Second operand 6 states. [2018-11-23 03:41:06,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:41:06,280 INFO L93 Difference]: Finished difference Result 7404 states and 10324 transitions. [2018-11-23 03:41:06,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 03:41:06,280 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 259 [2018-11-23 03:41:06,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:41:06,289 INFO L225 Difference]: With dead ends: 7404 [2018-11-23 03:41:06,290 INFO L226 Difference]: Without dead ends: 3874 [2018-11-23 03:41:06,296 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 259 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:41:06,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3874 states. [2018-11-23 03:41:06,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3874 to 3873. [2018-11-23 03:41:06,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3873 states. [2018-11-23 03:41:06,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3873 states to 3873 states and 5301 transitions. [2018-11-23 03:41:06,361 INFO L78 Accepts]: Start accepts. Automaton has 3873 states and 5301 transitions. Word has length 259 [2018-11-23 03:41:06,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:41:06,362 INFO L480 AbstractCegarLoop]: Abstraction has 3873 states and 5301 transitions. [2018-11-23 03:41:06,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:41:06,362 INFO L276 IsEmpty]: Start isEmpty. Operand 3873 states and 5301 transitions. [2018-11-23 03:41:06,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-11-23 03:41:06,368 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:41:06,368 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 03:41:06,369 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:41:06,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:41:06,369 INFO L82 PathProgramCache]: Analyzing trace with hash -956372341, now seen corresponding path program 1 times [2018-11-23 03:41:06,369 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:41:06,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:41:06,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:41:06,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:41:06,370 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:41:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:41:06,605 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 232 proven. 115 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 03:41:06,605 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:41:06,605 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:41:06,606 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 351 with the following transitions: [2018-11-23 03:41:06,606 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:41:06,610 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:41:06,611 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:41:06,803 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:41:06,803 INFO L272 AbstractInterpreter]: Visited 138 different actions 401 times. Merged at 4 different actions 7 times. Never widened. Performed 4094 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4094 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 03:41:06,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:41:06,812 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:41:07,052 INFO L227 lantSequenceWeakener]: Weakened 347 states. On average, predicates are now at 80.61% of their original sizes. [2018-11-23 03:41:07,052 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:41:07,107 INFO L415 sIntCurrentIteration]: We unified 349 AI predicates to 349 [2018-11-23 03:41:07,107 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:41:07,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:41:07,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-23 03:41:07,108 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:41:07,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 03:41:07,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 03:41:07,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:41:07,109 INFO L87 Difference]: Start difference. First operand 3873 states and 5301 transitions. Second operand 10 states. [2018-11-23 03:42:47,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:42:47,370 INFO L93 Difference]: Finished difference Result 9036 states and 12427 transitions. [2018-11-23 03:42:47,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 03:42:47,370 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 350 [2018-11-23 03:42:47,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:42:47,382 INFO L225 Difference]: With dead ends: 9036 [2018-11-23 03:42:47,383 INFO L226 Difference]: Without dead ends: 5506 [2018-11-23 03:42:47,390 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 359 GetRequests, 341 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 03:42:47,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5506 states. [2018-11-23 03:42:47,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5506 to 5473. [2018-11-23 03:42:47,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5473 states. [2018-11-23 03:42:47,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5473 states to 5473 states and 7087 transitions. [2018-11-23 03:42:47,460 INFO L78 Accepts]: Start accepts. Automaton has 5473 states and 7087 transitions. Word has length 350 [2018-11-23 03:42:47,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:42:47,460 INFO L480 AbstractCegarLoop]: Abstraction has 5473 states and 7087 transitions. [2018-11-23 03:42:47,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 03:42:47,461 INFO L276 IsEmpty]: Start isEmpty. Operand 5473 states and 7087 transitions. [2018-11-23 03:42:47,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2018-11-23 03:42:47,468 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:42:47,468 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:47,469 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:42:47,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:42:47,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1061489523, now seen corresponding path program 1 times [2018-11-23 03:42:47,469 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:42:47,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:47,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:42:47,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:47,470 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:42:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:42:47,664 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 246 proven. 53 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-23 03:42:47,664 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:42:47,664 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:42:47,664 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 499 with the following transitions: [2018-11-23 03:42:47,665 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:42:47,671 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:42:47,671 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:42:47,964 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:42:47,964 INFO L272 AbstractInterpreter]: Visited 249 different actions 739 times. Merged at 7 different actions 14 times. Never widened. Performed 8348 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8348 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 03:42:47,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:42:47,967 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:42:47,967 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:42:47,967 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/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 03:42:47,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:42:47,978 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:42:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:42:48,072 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:42:48,200 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-11-23 03:42:48,200 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:42:48,447 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-11-23 03:42:48,463 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:42:48,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-11-23 03:42:48,463 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:42:48,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:42:48,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:42:48,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:42:48,465 INFO L87 Difference]: Start difference. First operand 5473 states and 7087 transitions. Second operand 3 states. [2018-11-23 03:42:49,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:42:49,317 INFO L93 Difference]: Finished difference Result 10603 states and 13830 transitions. [2018-11-23 03:42:49,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:42:49,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 498 [2018-11-23 03:42:49,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:42:49,327 INFO L225 Difference]: With dead ends: 10603 [2018-11-23 03:42:49,327 INFO L226 Difference]: Without dead ends: 5473 [2018-11-23 03:42:49,336 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1002 GetRequests, 997 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:42:49,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5473 states. [2018-11-23 03:42:49,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5473 to 5473. [2018-11-23 03:42:49,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5473 states. [2018-11-23 03:42:49,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5473 states to 5473 states and 6785 transitions. [2018-11-23 03:42:49,396 INFO L78 Accepts]: Start accepts. Automaton has 5473 states and 6785 transitions. Word has length 498 [2018-11-23 03:42:49,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:42:49,396 INFO L480 AbstractCegarLoop]: Abstraction has 5473 states and 6785 transitions. [2018-11-23 03:42:49,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:42:49,396 INFO L276 IsEmpty]: Start isEmpty. Operand 5473 states and 6785 transitions. [2018-11-23 03:42:49,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2018-11-23 03:42:49,404 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:42:49,405 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 03:42:49,405 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:42:49,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:42:49,405 INFO L82 PathProgramCache]: Analyzing trace with hash 2071540874, now seen corresponding path program 1 times [2018-11-23 03:42:49,405 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:42:49,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:49,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:42:49,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:49,406 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:42:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:42:49,934 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 74 proven. 253 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 03:42:49,934 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:42:49,934 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:42:49,934 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 524 with the following transitions: [2018-11-23 03:42:49,935 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:42:49,938 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:42:49,938 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:42:50,156 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:42:50,156 INFO L272 AbstractInterpreter]: Visited 247 different actions 734 times. Merged at 6 different actions 13 times. Never widened. Performed 8243 root evaluator evaluations with a maximum evaluation depth of 8. Performed 8243 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 03:42:50,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:42:50,160 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:42:50,515 INFO L227 lantSequenceWeakener]: Weakened 520 states. On average, predicates are now at 80.39% of their original sizes. [2018-11-23 03:42:50,516 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:42:50,562 INFO L415 sIntCurrentIteration]: We unified 522 AI predicates to 522 [2018-11-23 03:42:50,562 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:42:50,562 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:42:50,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-11-23 03:42:50,562 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:42:50,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:42:50,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:42:50,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:42:50,563 INFO L87 Difference]: Start difference. First operand 5473 states and 6785 transitions. Second operand 9 states. [2018-11-23 03:43:21,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:43:21,214 INFO L93 Difference]: Finished difference Result 12717 states and 15811 transitions. [2018-11-23 03:43:21,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 03:43:21,214 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 523 [2018-11-23 03:43:21,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:43:21,226 INFO L225 Difference]: With dead ends: 12717 [2018-11-23 03:43:21,226 INFO L226 Difference]: Without dead ends: 7587 [2018-11-23 03:43:21,234 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 529 GetRequests, 515 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-23 03:43:21,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7587 states. [2018-11-23 03:43:21,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7587 to 7572. [2018-11-23 03:43:21,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7572 states. [2018-11-23 03:43:21,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7572 states to 7572 states and 9131 transitions. [2018-11-23 03:43:21,336 INFO L78 Accepts]: Start accepts. Automaton has 7572 states and 9131 transitions. Word has length 523 [2018-11-23 03:43:21,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:43:21,337 INFO L480 AbstractCegarLoop]: Abstraction has 7572 states and 9131 transitions. [2018-11-23 03:43:21,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:43:21,337 INFO L276 IsEmpty]: Start isEmpty. Operand 7572 states and 9131 transitions. [2018-11-23 03:43:21,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2018-11-23 03:43:21,358 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:43:21,358 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:43:21,358 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:43:21,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:21,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1967616491, now seen corresponding path program 1 times [2018-11-23 03:43:21,359 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:43:21,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:21,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:43:21,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:21,359 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:43:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:43:21,702 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 455 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-11-23 03:43:21,702 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:43:21,703 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:43:21,703 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 661 with the following transitions: [2018-11-23 03:43:21,703 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:43:21,706 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:43:21,706 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:43:22,096 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:43:22,097 INFO L272 AbstractInterpreter]: Visited 250 different actions 995 times. Merged at 8 different actions 27 times. Never widened. Performed 11657 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11657 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 03:43:22,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:22,098 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:43:22,098 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:43:22,098 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/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 03:43:22,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:43:22,105 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:43:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:43:22,211 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:43:22,351 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 739 proven. 2 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-11-23 03:43:22,351 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:43:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 455 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-11-23 03:43:22,570 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:43:22,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 03:43:22,570 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:43:22,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:43:22,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:43:22,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-23 03:43:22,571 INFO L87 Difference]: Start difference. First operand 7572 states and 9131 transitions. Second operand 9 states. [2018-11-23 03:43:25,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:43:25,189 INFO L93 Difference]: Finished difference Result 17358 states and 22008 transitions. [2018-11-23 03:43:25,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 03:43:25,190 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 660 [2018-11-23 03:43:25,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:43:25,212 INFO L225 Difference]: With dead ends: 17358 [2018-11-23 03:43:25,212 INFO L226 Difference]: Without dead ends: 10129 [2018-11-23 03:43:25,227 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1341 GetRequests, 1323 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-23 03:43:25,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10129 states. [2018-11-23 03:43:25,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10129 to 10109. [2018-11-23 03:43:25,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10109 states. [2018-11-23 03:43:25,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10109 states to 10109 states and 12395 transitions. [2018-11-23 03:43:25,341 INFO L78 Accepts]: Start accepts. Automaton has 10109 states and 12395 transitions. Word has length 660 [2018-11-23 03:43:25,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:43:25,341 INFO L480 AbstractCegarLoop]: Abstraction has 10109 states and 12395 transitions. [2018-11-23 03:43:25,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:43:25,341 INFO L276 IsEmpty]: Start isEmpty. Operand 10109 states and 12395 transitions. [2018-11-23 03:43:25,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 905 [2018-11-23 03:43:25,355 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:43:25,355 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:43:25,355 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:43:25,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:25,356 INFO L82 PathProgramCache]: Analyzing trace with hash -191612665, now seen corresponding path program 1 times [2018-11-23 03:43:25,356 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:43:25,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:25,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:43:25,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:43:25,358 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:43:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:43:26,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1499 backedges. 519 proven. 688 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2018-11-23 03:43:26,657 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:43:26,657 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:43:26,658 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 905 with the following transitions: [2018-11-23 03:43:26,658 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:43:26,660 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:43:26,661 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:43:26,806 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:43:26,806 INFO L272 AbstractInterpreter]: Visited 260 different actions 514 times. Merged at 4 different actions 4 times. Never widened. Performed 5487 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5487 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 03:43:26,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:43:26,812 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:43:27,240 INFO L227 lantSequenceWeakener]: Weakened 901 states. On average, predicates are now at 77.53% of their original sizes. [2018-11-23 03:43:27,240 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:43:27,293 INFO L415 sIntCurrentIteration]: We unified 903 AI predicates to 903 [2018-11-23 03:43:27,293 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:43:27,294 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:43:27,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-11-23 03:43:27,294 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:43:27,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 03:43:27,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 03:43:27,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:43:27,294 INFO L87 Difference]: Start difference. First operand 10109 states and 12395 transitions. Second operand 10 states. [2018-11-23 03:44:26,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:44:26,514 INFO L93 Difference]: Finished difference Result 20216 states and 24833 transitions. [2018-11-23 03:44:26,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 03:44:26,514 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 904 [2018-11-23 03:44:26,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:44:26,536 INFO L225 Difference]: With dead ends: 20216 [2018-11-23 03:44:26,536 INFO L226 Difference]: Without dead ends: 10450 [2018-11-23 03:44:26,550 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 911 GetRequests, 895 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 03:44:26,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10450 states. [2018-11-23 03:44:26,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10450 to 10448. [2018-11-23 03:44:26,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10448 states. [2018-11-23 03:44:26,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10448 states to 10448 states and 12751 transitions. [2018-11-23 03:44:26,658 INFO L78 Accepts]: Start accepts. Automaton has 10448 states and 12751 transitions. Word has length 904 [2018-11-23 03:44:26,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:44:26,658 INFO L480 AbstractCegarLoop]: Abstraction has 10448 states and 12751 transitions. [2018-11-23 03:44:26,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 03:44:26,659 INFO L276 IsEmpty]: Start isEmpty. Operand 10448 states and 12751 transitions. [2018-11-23 03:44:26,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 913 [2018-11-23 03:44:26,673 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:44:26,673 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:44:26,673 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:44:26,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:44:26,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1550371177, now seen corresponding path program 1 times [2018-11-23 03:44:26,674 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:44:26,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:44:26,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:44:26,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:44:26,674 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:44:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:44:27,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1507 backedges. 703 proven. 520 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-11-23 03:44:27,234 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:44:27,234 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:44:27,234 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 913 with the following transitions: [2018-11-23 03:44:27,234 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:44:27,237 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:44:27,237 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:44:27,469 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:44:27,469 INFO L272 AbstractInterpreter]: Visited 260 different actions 767 times. Merged at 4 different actions 7 times. Never widened. Performed 8951 root evaluator evaluations with a maximum evaluation depth of 9. Performed 8951 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 03:44:27,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:44:27,473 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:44:28,004 INFO L227 lantSequenceWeakener]: Weakened 909 states. On average, predicates are now at 80.25% of their original sizes. [2018-11-23 03:44:28,005 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:44:28,058 INFO L415 sIntCurrentIteration]: We unified 911 AI predicates to 911 [2018-11-23 03:44:28,058 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:44:28,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:44:28,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2018-11-23 03:44:28,059 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:44:28,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:44:28,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:44:28,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:44:28,060 INFO L87 Difference]: Start difference. First operand 10448 states and 12751 transitions. Second operand 9 states. [2018-11-23 03:44:59,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:44:59,089 INFO L93 Difference]: Finished difference Result 20229 states and 24880 transitions. [2018-11-23 03:44:59,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 03:44:59,089 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 912 [2018-11-23 03:44:59,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:44:59,122 INFO L225 Difference]: With dead ends: 20229 [2018-11-23 03:44:59,122 INFO L226 Difference]: Without dead ends: 10463 [2018-11-23 03:44:59,146 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 918 GetRequests, 904 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-23 03:44:59,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10463 states. [2018-11-23 03:44:59,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10463 to 10452. [2018-11-23 03:44:59,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10452 states. [2018-11-23 03:44:59,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10452 states to 10452 states and 12735 transitions. [2018-11-23 03:44:59,330 INFO L78 Accepts]: Start accepts. Automaton has 10452 states and 12735 transitions. Word has length 912 [2018-11-23 03:44:59,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:44:59,331 INFO L480 AbstractCegarLoop]: Abstraction has 10452 states and 12735 transitions. [2018-11-23 03:44:59,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:44:59,331 INFO L276 IsEmpty]: Start isEmpty. Operand 10452 states and 12735 transitions. [2018-11-23 03:44:59,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 996 [2018-11-23 03:44:59,358 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:44:59,358 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:44:59,358 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:44:59,359 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:44:59,359 INFO L82 PathProgramCache]: Analyzing trace with hash -808044722, now seen corresponding path program 1 times [2018-11-23 03:44:59,359 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:44:59,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:44:59,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:44:59,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:44:59,360 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:44:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:00,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 429 proven. 588 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2018-11-23 03:45:00,790 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:45:00,790 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:45:00,790 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 996 with the following transitions: [2018-11-23 03:45:00,790 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:45:00,792 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:45:00,792 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:45:01,332 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:45:01,332 INFO L272 AbstractInterpreter]: Visited 262 different actions 1310 times. Merged at 10 different actions 43 times. Widened at 1 different actions 1 times. Performed 15985 root evaluator evaluations with a maximum evaluation depth of 9. Performed 15985 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 15 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-23 03:45:01,336 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:01,336 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:45:01,337 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:45:01,337 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/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 03:45:01,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:01,345 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:45:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:01,497 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:45:01,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 1129 proven. 2 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2018-11-23 03:45:01,865 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:45:02,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 429 proven. 588 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2018-11-23 03:45:02,491 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:45:02,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2018-11-23 03:45:02,492 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:45:02,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 03:45:02,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 03:45:02,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2018-11-23 03:45:02,493 INFO L87 Difference]: Start difference. First operand 10452 states and 12735 transitions. Second operand 15 states. [2018-11-23 03:45:08,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:45:08,571 INFO L93 Difference]: Finished difference Result 27930 states and 35419 transitions. [2018-11-23 03:45:08,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-11-23 03:45:08,572 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 995 [2018-11-23 03:45:08,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:45:08,598 INFO L225 Difference]: With dead ends: 27930 [2018-11-23 03:45:08,598 INFO L226 Difference]: Without dead ends: 13821 [2018-11-23 03:45:08,647 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2074 GetRequests, 2018 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 934 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=730, Invalid=2576, Unknown=0, NotChecked=0, Total=3306 [2018-11-23 03:45:08,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13821 states. [2018-11-23 03:45:08,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13821 to 13496. [2018-11-23 03:45:08,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13496 states. [2018-11-23 03:45:08,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13496 states to 13496 states and 14979 transitions. [2018-11-23 03:45:08,867 INFO L78 Accepts]: Start accepts. Automaton has 13496 states and 14979 transitions. Word has length 995 [2018-11-23 03:45:08,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:45:08,867 INFO L480 AbstractCegarLoop]: Abstraction has 13496 states and 14979 transitions. [2018-11-23 03:45:08,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 03:45:08,868 INFO L276 IsEmpty]: Start isEmpty. Operand 13496 states and 14979 transitions. [2018-11-23 03:45:08,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1008 [2018-11-23 03:45:08,877 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:45:08,878 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 03:45:08,878 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:45:08,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:08,878 INFO L82 PathProgramCache]: Analyzing trace with hash -499022922, now seen corresponding path program 1 times [2018-11-23 03:45:08,878 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:45:08,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:08,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:08,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:08,879 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:45:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:09,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 952 proven. 8 refuted. 0 times theorem prover too weak. 1162 trivial. 0 not checked. [2018-11-23 03:45:09,995 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:45:09,995 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:45:09,996 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1008 with the following transitions: [2018-11-23 03:45:09,996 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:45:09,999 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:45:09,999 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:45:10,559 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:45:10,559 INFO L272 AbstractInterpreter]: Visited 252 different actions 1016 times. Merged at 10 different actions 40 times. Widened at 1 different actions 1 times. Performed 11859 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11859 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 03:45:10,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:10,564 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:45:10,564 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:45:10,564 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/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 03:45:10,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:10,572 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:45:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:10,704 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:45:11,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 1783 trivial. 0 not checked. [2018-11-23 03:45:11,005 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:45:11,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 1783 trivial. 0 not checked. [2018-11-23 03:45:11,342 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:45:11,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 8 [2018-11-23 03:45:11,343 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:45:11,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:45:11,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:45:11,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:45:11,344 INFO L87 Difference]: Start difference. First operand 13496 states and 14979 transitions. Second operand 3 states. [2018-11-23 03:45:12,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:45:12,050 INFO L93 Difference]: Finished difference Result 24918 states and 27794 transitions. [2018-11-23 03:45:12,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:45:12,050 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1007 [2018-11-23 03:45:12,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:45:12,082 INFO L225 Difference]: With dead ends: 24918 [2018-11-23 03:45:12,082 INFO L226 Difference]: Without dead ends: 13496 [2018-11-23 03:45:12,107 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2021 GetRequests, 2013 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:45:12,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13496 states. [2018-11-23 03:45:12,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13496 to 13493. [2018-11-23 03:45:12,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13493 states. [2018-11-23 03:45:12,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 14690 transitions. [2018-11-23 03:45:12,253 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 14690 transitions. Word has length 1007 [2018-11-23 03:45:12,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:45:12,254 INFO L480 AbstractCegarLoop]: Abstraction has 13493 states and 14690 transitions. [2018-11-23 03:45:12,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:45:12,254 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 14690 transitions. [2018-11-23 03:45:12,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1316 [2018-11-23 03:45:12,271 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:45:12,272 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:45:12,272 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:45:12,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:12,272 INFO L82 PathProgramCache]: Analyzing trace with hash -2019457786, now seen corresponding path program 1 times [2018-11-23 03:45:12,272 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:45:12,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:12,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:12,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:12,273 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:45:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:13,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3839 backedges. 1438 proven. 2 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2018-11-23 03:45:13,165 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:45:13,165 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:45:13,165 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1316 with the following transitions: [2018-11-23 03:45:13,166 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:45:13,168 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:45:13,168 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:45:13,655 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:45:13,655 INFO L272 AbstractInterpreter]: Visited 254 different actions 1021 times. Merged at 11 different actions 37 times. Widened at 1 different actions 1 times. Performed 11981 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11981 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-23 03:45:13,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:13,664 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:45:13,664 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:45:13,664 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:45:13,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:13,672 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:45:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:13,831 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:45:14,393 INFO L134 CoverageAnalysis]: Checked inductivity of 3839 backedges. 1438 proven. 2 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2018-11-23 03:45:14,393 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:45:15,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3839 backedges. 1438 proven. 2 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2018-11-23 03:45:15,048 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:45:15,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 03:45:15,048 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:45:15,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:45:15,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:45:15,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:45:15,049 INFO L87 Difference]: Start difference. First operand 13493 states and 14690 transitions. Second operand 9 states. [2018-11-23 03:45:17,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:45:17,792 INFO L93 Difference]: Finished difference Result 29592 states and 33104 transitions. [2018-11-23 03:45:17,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 03:45:17,792 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1315 [2018-11-23 03:45:17,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:45:17,834 INFO L225 Difference]: With dead ends: 29592 [2018-11-23 03:45:17,834 INFO L226 Difference]: Without dead ends: 15489 [2018-11-23 03:45:17,868 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2657 GetRequests, 2635 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-11-23 03:45:17,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15489 states. [2018-11-23 03:45:18,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15489 to 15348. [2018-11-23 03:45:18,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15348 states. [2018-11-23 03:45:18,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15348 states to 15348 states and 16398 transitions. [2018-11-23 03:45:18,071 INFO L78 Accepts]: Start accepts. Automaton has 15348 states and 16398 transitions. Word has length 1315 [2018-11-23 03:45:18,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:45:18,072 INFO L480 AbstractCegarLoop]: Abstraction has 15348 states and 16398 transitions. [2018-11-23 03:45:18,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:45:18,072 INFO L276 IsEmpty]: Start isEmpty. Operand 15348 states and 16398 transitions. [2018-11-23 03:45:18,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1413 [2018-11-23 03:45:18,088 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:45:18,088 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:45:18,088 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:45:18,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:18,089 INFO L82 PathProgramCache]: Analyzing trace with hash -2113326017, now seen corresponding path program 1 times [2018-11-23 03:45:18,089 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:45:18,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:18,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:18,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:18,089 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:45:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:18,903 INFO L134 CoverageAnalysis]: Checked inductivity of 3905 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 3452 trivial. 0 not checked. [2018-11-23 03:45:18,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:45:18,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 03:45:18,904 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:45:18,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 03:45:18,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 03:45:18,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 03:45:18,905 INFO L87 Difference]: Start difference. First operand 15348 states and 16398 transitions. Second operand 4 states. [2018-11-23 03:45:19,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:45:19,962 INFO L93 Difference]: Finished difference Result 26410 states and 28292 transitions. [2018-11-23 03:45:19,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 03:45:19,962 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1412 [2018-11-23 03:45:19,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:45:19,982 INFO L225 Difference]: With dead ends: 26410 [2018-11-23 03:45:19,982 INFO L226 Difference]: Without dead ends: 9234 [2018-11-23 03:45:20,005 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 03:45:20,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9234 states. [2018-11-23 03:45:20,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9234 to 9234. [2018-11-23 03:45:20,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9234 states. [2018-11-23 03:45:20,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9234 states to 9234 states and 9787 transitions. [2018-11-23 03:45:20,100 INFO L78 Accepts]: Start accepts. Automaton has 9234 states and 9787 transitions. Word has length 1412 [2018-11-23 03:45:20,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:45:20,101 INFO L480 AbstractCegarLoop]: Abstraction has 9234 states and 9787 transitions. [2018-11-23 03:45:20,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 03:45:20,102 INFO L276 IsEmpty]: Start isEmpty. Operand 9234 states and 9787 transitions. [2018-11-23 03:45:20,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1531 [2018-11-23 03:45:20,120 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:45:20,121 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:45:20,121 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:45:20,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:20,121 INFO L82 PathProgramCache]: Analyzing trace with hash 2135487007, now seen corresponding path program 1 times [2018-11-23 03:45:20,121 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:45:20,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:20,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:20,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:20,122 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:45:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:21,457 INFO L134 CoverageAnalysis]: Checked inductivity of 5115 backedges. 1693 proven. 2 refuted. 0 times theorem prover too weak. 3420 trivial. 0 not checked. [2018-11-23 03:45:21,457 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:45:21,457 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:45:21,458 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1531 with the following transitions: [2018-11-23 03:45:21,458 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:45:21,461 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:45:21,462 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:45:22,115 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:45:22,115 INFO L272 AbstractInterpreter]: Visited 255 different actions 1030 times. Merged at 12 different actions 42 times. Widened at 1 different actions 1 times. Performed 12039 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12039 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-23 03:45:22,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:22,125 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:45:22,125 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:45:22,125 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:45:22,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:22,133 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:45:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:22,362 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:45:23,158 INFO L134 CoverageAnalysis]: Checked inductivity of 5115 backedges. 1693 proven. 2 refuted. 0 times theorem prover too weak. 3420 trivial. 0 not checked. [2018-11-23 03:45:23,158 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:45:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 5115 backedges. 1693 proven. 2 refuted. 0 times theorem prover too weak. 3420 trivial. 0 not checked. [2018-11-23 03:45:24,029 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:45:24,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-23 03:45:24,030 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:45:24,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 03:45:24,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 03:45:24,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 03:45:24,031 INFO L87 Difference]: Start difference. First operand 9234 states and 9787 transitions. Second operand 10 states. [2018-11-23 03:45:25,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:45:25,636 INFO L93 Difference]: Finished difference Result 18913 states and 20088 transitions. [2018-11-23 03:45:25,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 03:45:25,637 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1530 [2018-11-23 03:45:25,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:45:25,649 INFO L225 Difference]: With dead ends: 18913 [2018-11-23 03:45:25,649 INFO L226 Difference]: Without dead ends: 10022 [2018-11-23 03:45:25,659 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3081 GetRequests, 3062 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-11-23 03:45:25,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10022 states. [2018-11-23 03:45:25,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10022 to 10020. [2018-11-23 03:45:25,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10020 states. [2018-11-23 03:45:25,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10020 states to 10020 states and 10455 transitions. [2018-11-23 03:45:25,746 INFO L78 Accepts]: Start accepts. Automaton has 10020 states and 10455 transitions. Word has length 1530 [2018-11-23 03:45:25,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:45:25,747 INFO L480 AbstractCegarLoop]: Abstraction has 10020 states and 10455 transitions. [2018-11-23 03:45:25,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 03:45:25,747 INFO L276 IsEmpty]: Start isEmpty. Operand 10020 states and 10455 transitions. [2018-11-23 03:45:25,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1728 [2018-11-23 03:45:25,769 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:45:25,769 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:45:25,770 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:45:25,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:25,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1877335462, now seen corresponding path program 1 times [2018-11-23 03:45:25,770 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:45:25,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:25,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:25,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:25,771 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:45:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:26,932 INFO L134 CoverageAnalysis]: Checked inductivity of 6427 backedges. 1659 proven. 158 refuted. 0 times theorem prover too weak. 4610 trivial. 0 not checked. [2018-11-23 03:45:26,932 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:45:26,932 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:45:26,932 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1728 with the following transitions: [2018-11-23 03:45:26,932 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1028], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:45:26,934 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:45:26,934 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:45:27,437 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:45:27,437 INFO L272 AbstractInterpreter]: Visited 271 different actions 1097 times. Merged at 13 different actions 45 times. Widened at 1 different actions 1 times. Performed 12945 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12945 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 16 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-23 03:45:27,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:27,439 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:45:27,439 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:45:27,439 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:45:27,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:27,449 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:45:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:27,639 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:45:28,360 INFO L134 CoverageAnalysis]: Checked inductivity of 6427 backedges. 2918 proven. 2 refuted. 0 times theorem prover too weak. 3507 trivial. 0 not checked. [2018-11-23 03:45:28,361 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:45:29,236 INFO L134 CoverageAnalysis]: Checked inductivity of 6427 backedges. 1659 proven. 158 refuted. 0 times theorem prover too weak. 4610 trivial. 0 not checked. [2018-11-23 03:45:29,252 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:45:29,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 03:45:29,253 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:45:29,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:45:29,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:45:29,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:45:29,254 INFO L87 Difference]: Start difference. First operand 10020 states and 10455 transitions. Second operand 9 states. [2018-11-23 03:45:30,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:45:30,631 INFO L93 Difference]: Finished difference Result 17249 states and 17942 transitions. [2018-11-23 03:45:30,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 03:45:30,631 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1727 [2018-11-23 03:45:30,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:45:30,642 INFO L225 Difference]: With dead ends: 17249 [2018-11-23 03:45:30,642 INFO L226 Difference]: Without dead ends: 9609 [2018-11-23 03:45:30,651 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3471 GetRequests, 3455 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-23 03:45:30,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9609 states. [2018-11-23 03:45:30,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9609 to 9589. [2018-11-23 03:45:30,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9589 states. [2018-11-23 03:45:30,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9589 states to 9589 states and 9807 transitions. [2018-11-23 03:45:30,721 INFO L78 Accepts]: Start accepts. Automaton has 9589 states and 9807 transitions. Word has length 1727 [2018-11-23 03:45:30,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:45:30,722 INFO L480 AbstractCegarLoop]: Abstraction has 9589 states and 9807 transitions. [2018-11-23 03:45:30,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:45:30,722 INFO L276 IsEmpty]: Start isEmpty. Operand 9589 states and 9807 transitions. [2018-11-23 03:45:30,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1867 [2018-11-23 03:45:30,739 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:45:30,740 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:45:30,740 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:45:30,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:30,740 INFO L82 PathProgramCache]: Analyzing trace with hash 2128718798, now seen corresponding path program 1 times [2018-11-23 03:45:30,740 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:45:30,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:30,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:30,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:30,741 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:45:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:33,907 INFO L134 CoverageAnalysis]: Checked inductivity of 6638 backedges. 2521 proven. 1143 refuted. 0 times theorem prover too weak. 2974 trivial. 0 not checked. [2018-11-23 03:45:33,908 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:45:33,908 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:45:33,908 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1867 with the following transitions: [2018-11-23 03:45:33,908 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:45:33,912 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:45:33,912 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:45:34,622 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:45:34,622 INFO L272 AbstractInterpreter]: Visited 353 different actions 1412 times. Merged at 12 different actions 41 times. Widened at 1 different actions 1 times. Performed 17395 root evaluator evaluations with a maximum evaluation depth of 18. Performed 17395 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 16 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-23 03:45:34,624 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:34,624 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:45:34,624 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:45:34,624 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:45:34,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:34,631 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:45:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:34,829 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:45:35,863 INFO L134 CoverageAnalysis]: Checked inductivity of 6638 backedges. 4694 proven. 6 refuted. 0 times theorem prover too weak. 1938 trivial. 0 not checked. [2018-11-23 03:45:35,863 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:45:37,621 INFO L134 CoverageAnalysis]: Checked inductivity of 6638 backedges. 1753 proven. 852 refuted. 0 times theorem prover too weak. 4033 trivial. 0 not checked. [2018-11-23 03:45:37,637 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:45:37,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 25 [2018-11-23 03:45:37,638 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:45:37,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-23 03:45:37,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-23 03:45:37,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2018-11-23 03:45:37,639 INFO L87 Difference]: Start difference. First operand 9589 states and 9807 transitions. Second operand 20 states. [2018-11-23 03:45:46,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:45:46,802 INFO L93 Difference]: Finished difference Result 19101 states and 19626 transitions. [2018-11-23 03:45:46,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-11-23 03:45:46,802 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1866 [2018-11-23 03:45:46,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:45:46,817 INFO L225 Difference]: With dead ends: 19101 [2018-11-23 03:45:46,818 INFO L226 Difference]: Without dead ends: 12241 [2018-11-23 03:45:46,826 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3852 GetRequests, 3768 SyntacticMatches, 2 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1907 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1295, Invalid=5677, Unknown=0, NotChecked=0, Total=6972 [2018-11-23 03:45:46,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12241 states. [2018-11-23 03:45:46,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12241 to 11290. [2018-11-23 03:45:46,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11290 states. [2018-11-23 03:45:46,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11290 states to 11290 states and 11521 transitions. [2018-11-23 03:45:46,926 INFO L78 Accepts]: Start accepts. Automaton has 11290 states and 11521 transitions. Word has length 1866 [2018-11-23 03:45:46,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:45:46,926 INFO L480 AbstractCegarLoop]: Abstraction has 11290 states and 11521 transitions. [2018-11-23 03:45:46,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-23 03:45:46,926 INFO L276 IsEmpty]: Start isEmpty. Operand 11290 states and 11521 transitions. [2018-11-23 03:45:46,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1967 [2018-11-23 03:45:46,948 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:45:46,948 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 03:45:46,948 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:45:46,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:46,948 INFO L82 PathProgramCache]: Analyzing trace with hash -88678297, now seen corresponding path program 1 times [2018-11-23 03:45:46,949 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:45:46,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:46,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:46,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:46,949 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:45:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:48,521 INFO L134 CoverageAnalysis]: Checked inductivity of 7475 backedges. 2072 proven. 2 refuted. 0 times theorem prover too weak. 5401 trivial. 0 not checked. [2018-11-23 03:45:48,521 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:45:48,521 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:45:48,521 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1967 with the following transitions: [2018-11-23 03:45:48,522 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1028], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:45:48,524 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:45:48,524 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:45:49,392 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:45:49,392 INFO L272 AbstractInterpreter]: Visited 290 different actions 1161 times. Merged at 11 different actions 33 times. Never widened. Performed 13997 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13997 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 8 different actions. Largest state had 24 variables. [2018-11-23 03:45:49,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:49,394 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:45:49,394 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:45:49,394 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:45:49,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:49,403 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:45:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:49,616 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:45:50,553 INFO L134 CoverageAnalysis]: Checked inductivity of 7475 backedges. 2072 proven. 2 refuted. 0 times theorem prover too weak. 5401 trivial. 0 not checked. [2018-11-23 03:45:50,553 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:45:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 7475 backedges. 2072 proven. 2 refuted. 0 times theorem prover too weak. 5401 trivial. 0 not checked. [2018-11-23 03:45:51,826 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:45:51,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-23 03:45:51,826 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:45:51,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 03:45:51,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 03:45:51,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:45:51,828 INFO L87 Difference]: Start difference. First operand 11290 states and 11521 transitions. Second operand 7 states. [2018-11-23 03:45:53,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:45:53,608 INFO L93 Difference]: Finished difference Result 26311 states and 26941 transitions. [2018-11-23 03:45:53,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 03:45:53,608 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1966 [2018-11-23 03:45:53,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:45:53,627 INFO L225 Difference]: With dead ends: 26311 [2018-11-23 03:45:53,627 INFO L226 Difference]: Without dead ends: 15365 [2018-11-23 03:45:53,636 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3945 GetRequests, 3933 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-11-23 03:45:53,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15365 states. [2018-11-23 03:45:53,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15365 to 14728. [2018-11-23 03:45:53,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14728 states. [2018-11-23 03:45:53,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14728 states to 14728 states and 15058 transitions. [2018-11-23 03:45:53,774 INFO L78 Accepts]: Start accepts. Automaton has 14728 states and 15058 transitions. Word has length 1966 [2018-11-23 03:45:53,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:45:53,775 INFO L480 AbstractCegarLoop]: Abstraction has 14728 states and 15058 transitions. [2018-11-23 03:45:53,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 03:45:53,775 INFO L276 IsEmpty]: Start isEmpty. Operand 14728 states and 15058 transitions. [2018-11-23 03:45:53,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2014 [2018-11-23 03:45:53,800 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:45:53,801 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:45:53,801 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:45:53,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:53,801 INFO L82 PathProgramCache]: Analyzing trace with hash -218158438, now seen corresponding path program 1 times [2018-11-23 03:45:53,802 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:45:53,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:53,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:53,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:45:53,803 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:45:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:56,142 INFO L134 CoverageAnalysis]: Checked inductivity of 7747 backedges. 1372 proven. 960 refuted. 0 times theorem prover too weak. 5415 trivial. 0 not checked. [2018-11-23 03:45:56,142 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:45:56,142 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:45:56,143 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2014 with the following transitions: [2018-11-23 03:45:56,143 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [575], [577], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1216], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:45:56,146 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:45:56,146 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:45:57,057 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:45:57,057 INFO L272 AbstractInterpreter]: Visited 290 different actions 1162 times. Merged at 10 different actions 34 times. Widened at 1 different actions 1 times. Performed 14001 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14001 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 9 different actions. Largest state had 24 variables. [2018-11-23 03:45:57,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:45:57,058 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:45:57,058 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:45:57,058 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:45:57,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:45:57,068 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:45:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:45:57,292 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:45:58,616 INFO L134 CoverageAnalysis]: Checked inductivity of 7747 backedges. 5099 proven. 2 refuted. 0 times theorem prover too weak. 2646 trivial. 0 not checked. [2018-11-23 03:45:58,616 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:46:01,517 INFO L134 CoverageAnalysis]: Checked inductivity of 7747 backedges. 1413 proven. 885 refuted. 0 times theorem prover too weak. 5449 trivial. 0 not checked. [2018-11-23 03:46:01,533 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:46:01,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 18 [2018-11-23 03:46:01,534 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:46:01,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 03:46:01,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 03:46:01,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2018-11-23 03:46:01,535 INFO L87 Difference]: Start difference. First operand 14728 states and 15058 transitions. Second operand 16 states. [2018-11-23 03:46:09,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:46:09,416 INFO L93 Difference]: Finished difference Result 27253 states and 28149 transitions. [2018-11-23 03:46:09,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-11-23 03:46:09,416 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 2013 [2018-11-23 03:46:09,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:46:09,417 INFO L225 Difference]: With dead ends: 27253 [2018-11-23 03:46:09,417 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 03:46:09,449 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4124 GetRequests, 4060 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1042 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=699, Invalid=3207, Unknown=0, NotChecked=0, Total=3906 [2018-11-23 03:46:09,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 03:46:09,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 03:46:09,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 03:46:09,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 03:46:09,450 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2013 [2018-11-23 03:46:09,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:46:09,450 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:46:09,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 03:46:09,451 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:46:09,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:46:09,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 03:46:09,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:09,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:09,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:09,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:09,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:09,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:09,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:09,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:09,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:09,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:09,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:09,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:09,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:09,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:09,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:09,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:09,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:09,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:09,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:09,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:09,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:09,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:10,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:10,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:10,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:10,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:10,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:10,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:10,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:10,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:10,331 WARN L180 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 318 [2018-11-23 03:46:11,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:11,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:11,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:11,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:11,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:11,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:11,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:12,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:12,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:12,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:12,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:12,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:12,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:12,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:12,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:12,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:12,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:12,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:12,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:12,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:12,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:12,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:12,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:12,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:12,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:12,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:12,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:46:12,471 WARN L180 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 369 [2018-11-23 03:46:13,906 WARN L180 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 303 DAG size of output: 86 [2018-11-23 03:46:15,918 WARN L180 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 337 DAG size of output: 121 [2018-11-23 03:46:17,580 WARN L180 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 333 DAG size of output: 124 [2018-11-23 03:46:20,279 WARN L180 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 358 DAG size of output: 136 [2018-11-23 03:46:21,839 WARN L180 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 354 DAG size of output: 83 [2018-11-23 03:46:21,841 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:46:21,841 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-23 03:46:21,842 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:46:21,842 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,842 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 03:46:21,842 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,842 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,842 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,842 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,842 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,842 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,842 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,842 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,842 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,842 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,842 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,843 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,843 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,843 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,843 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,843 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,843 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,843 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,843 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,843 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,843 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,843 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,843 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,843 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,843 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,843 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,843 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,844 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse6 (= ~a16~0 |old(~a16~0)|)) (.cse7 (= ~a18~0 |old(~a18~0)|)) (.cse21 (= 4 |old(~a15~0)|)) (.cse1 (+ |old(~a18~0)| 156)) (.cse19 (= 8 |old(~a12~0)|)) (.cse8 (= |old(~a15~0)| ~a15~0)) (.cse26 (= |old(~a12~0)| ~a12~0)) (.cse12 (not (= 8 |old(~a16~0)|))) (.cse4 (not (= 3 |old(~a15~0)|))) (.cse5 (not (= 5 |old(~a12~0)|))) (.cse9 (not (= 11 |old(~a16~0)|))) (.cse18 (= 6 |old(~a12~0)|))) (let ((.cse3 (< 134 ~a18~0)) (.cse11 (< 0 (+ |old(~a18~0)| 388559))) (.cse13 (not .cse18)) (.cse2 (<= (+ ~a18~0 156) 0)) (.cse0 (and (or .cse12 .cse4 .cse5) (or .cse4 .cse5 (not (= (+ |old(~a18~0)| 87) 0)) .cse9))) (.cse23 (and (= |old(~a16~0)| ~a16~0) .cse8 .cse26)) (.cse15 (not .cse19)) (.cse24 (< 8 |old(~a16~0)|)) (.cse22 (< |old(~a16~0)| 12)) (.cse16 (<= .cse1 0)) (.cse10 (not .cse21)) (.cse20 (< |old(~a12~0)| 6)) (.cse14 (and .cse8 .cse6 .cse7 .cse26)) (.cse17 (not (= 9 |old(~a16~0)|))) (.cse25 (= ~a16~0 10))) (and (or .cse0 (< 0 .cse1) (or .cse2 .cse3)) (or .cse4 .cse5 (and .cse6 .cse7 (= ~a12~0 5) .cse8) .cse9) (or .cse10 .cse11 .cse12 .cse13 .cse14) (or .cse10 .cse15 .cse16 .cse14 .cse17) (or .cse10 .cse12 .cse18 .cse19 .cse20 .cse14 (< 8 |old(~a12~0)|)) (or .cse10 .cse11 .cse5 .cse14 .cse17) (or .cse10 .cse11 .cse14 .cse13 .cse17) (or .cse10 .cse12 .cse14 .cse20 .cse16) (or .cse0 .cse3 (<= |old(~a18~0)| 134)) (or .cse4 .cse9 .cse14 .cse13 .cse16) (or .cse4 .cse14 .cse9 .cse18 .cse20) (or .cse21 .cse14 .cse13 .cse22 .cse16) (or .cse10 .cse11 .cse12 .cse15 .cse14) (or .cse10 .cse13 .cse14 .cse16 .cse17) (or .cse18 .cse21 .cse20 .cse14 .cse22) (or (or .cse2 (< 0 (+ ~a18~0 79))) .cse0 (<= (+ |old(~a18~0)| 79) 0)) (or .cse23 .cse21 .cse19 .cse24) (or .cse10 .cse12 .cse5 .cse14) (or .cse21 .cse23 .cse17) (or .cse10 (and .cse8 .cse7 .cse25 .cse26) (not (= 10 |old(~a16~0)|)) (< 7 |old(~a12~0)|)) (or .cse10 .cse5 .cse14 .cse16 .cse17) (or .cse12 (and .cse6 (= 3 ~a15~0) .cse7 .cse26) .cse4 .cse16 .cse15) (or .cse10 .cse18 .cse20 .cse19 .cse14 .cse16 .cse24) (or .cse4 .cse5 .cse22 .cse16 .cse14) (or .cse10 .cse18 .cse20 .cse19 .cse14 .cse17) (or .cse21 (not (= |old(~a16~0)| 10)) (and .cse25 .cse8 .cse26))))) [2018-11-23 03:46:21,844 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,846 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,846 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,846 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,846 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,846 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,846 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,846 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 03:46:21,846 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,846 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,846 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,846 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,846 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,846 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,847 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,847 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,847 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-23 03:46:21,847 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,847 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,847 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,847 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,847 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,847 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,847 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,847 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,847 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,847 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,847 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,847 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,848 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,848 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 03:46:21,848 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,848 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 03:46:21,848 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 03:46:21,848 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse9 (not (= calculate_output_~input 0))) (.cse22 (+ |old(~a18~0)| 156)) (.cse13 (= 6 |old(~a12~0)|)) (.cse27 (= 4 |old(~a15~0)|)) (.cse5 (= ~a18~0 |old(~a18~0)|)) (.cse14 (= 8 |old(~a12~0)|)) (.cse11 (not (= 8 |old(~a16~0)|))) (.cse8 (not (= 3 |old(~a15~0)|))) (.cse2 (not (= 5 |old(~a12~0)|))) (.cse32 (not (= 11 |old(~a16~0)|))) (.cse6 (= |old(~a12~0)| ~a12~0)) (.cse3 (= |old(~a15~0)| ~a15~0)) (.cse17 (not (= ~a15~0 4))) (.cse4 (= ~a16~0 |old(~a16~0)|))) (let ((.cse1 (< 0 (+ |old(~a18~0)| 388559))) (.cse25 (and (<= ~a16~0 8) .cse3 .cse17 .cse4)) (.cse24 (< 134 ~a18~0)) (.cse29 (and (= |old(~a16~0)| ~a16~0) .cse3 .cse6)) (.cse7 (not (= 9 |old(~a16~0)|))) (.cse23 (<= (+ ~a18~0 156) 0)) (.cse20 (and (or .cse11 .cse8 .cse2) (or .cse8 .cse2 (not (= (+ |old(~a18~0)| 87) 0)) .cse32))) (.cse18 (not .cse14)) (.cse12 (and .cse3 .cse4 .cse5 .cse6)) (.cse30 (< 8 |old(~a16~0)|)) (.cse28 (< |old(~a16~0)| 12)) (.cse15 (< |old(~a12~0)| 6)) (.cse0 (not .cse27)) (.cse31 (= ~a16~0 10)) (.cse16 (< 8 |old(~a12~0)|)) (.cse26 (not (= 10 |old(~a16~0)|))) (.cse10 (= |calculate_output_#in~input| 0)) (.cse21 (not .cse13)) (.cse19 (<= .cse22 0)) (.cse33 (and .cse3 .cse9 .cse4 .cse5 .cse6))) (and (or .cse0 .cse1 .cse2 (and (not (= calculate_output_~input 4)) .cse3 .cse4 .cse5 .cse6) .cse7) (or .cse8 .cse2 .cse9 .cse10 .cse7) (or .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 (and .cse3 .cse17)) (or .cse0 .cse18 .cse19 .cse12 .cse7) (or .cse20 .cse9 .cse10) (or .cse0 .cse1 .cse12 .cse21 .cse7) (or (< 0 .cse22) .cse10 .cse20 (or .cse23 .cse24)) (or .cse0 .cse12 .cse13 .cse15 .cse14 .cse7) (or .cse11 .cse25 .cse12 .cse21 .cse19) (or .cse0 .cse11 .cse18 .cse12 .cse19) (or .cse8 .cse2 .cse10 .cse26 .cse9) (or .cse0 .cse1 .cse11 .cse18 .cse12) (or .cse27 .cse12 .cse21 .cse28 .cse19) (or .cse29 .cse27 .cse7) (or .cse1 .cse11 .cse12 .cse25 .cse21) (or (or .cse0 .cse2) .cse12 .cse19 .cse7) (or .cse24 .cse10 .cse20 (<= |old(~a18~0)| 134)) (or .cse13 .cse27 .cse15 .cse12 .cse28) (or .cse29 .cse27 .cse14 .cse30) (or .cse0 .cse11 .cse2 .cse12) (or .cse27 (and .cse31 .cse3 .cse6) .cse26) (or .cse0 .cse12 .cse21 .cse19 .cse7) (or (or .cse23 (< 0 (+ ~a18~0 79))) (<= (+ |old(~a18~0)| 79) 0) .cse10 .cse20) (or .cse11 .cse8 .cse18 (and .cse4 (= 3 ~a15~0) .cse5 .cse6) .cse19) (or .cse8 .cse2 .cse32 .cse10 (and .cse9 .cse4 .cse5 (= ~a12~0 5) .cse3)) (or .cse0 .cse13 .cse15 .cse14 .cse12 .cse19 .cse30) (or .cse8 .cse2 .cse10 .cse33 .cse28 .cse19) (or .cse8 .cse32 .cse10 .cse13 .cse15 .cse33) (or .cse0 (and .cse3 .cse5 .cse31 .cse6) .cse14 .cse16 .cse26) (or (or .cse8 .cse32 .cse10 .cse21) .cse19 .cse33)))) [2018-11-23 03:46:21,848 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,848 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-23 03:46:21,848 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,849 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,849 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,849 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,849 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,849 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,849 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,849 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 03:46:21,849 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 03:46:21,849 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,849 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 03:46:21,849 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,849 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,849 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,849 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,849 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,850 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,850 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,850 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,850 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,850 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,850 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,850 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,850 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,850 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,850 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,850 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 03:46:21,850 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,850 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 03:46:21,850 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 03:46:21,850 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,850 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,851 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,851 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,851 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,851 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,851 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,851 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,851 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,851 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,851 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 03:46:21,851 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 03:46:21,851 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,851 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 03:46:21,851 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,851 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,851 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,851 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,852 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,852 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,852 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,852 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,852 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,852 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,852 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,852 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,852 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 03:46:21,852 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,852 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 03:46:21,852 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 03:46:21,852 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,852 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,852 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,853 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,853 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,853 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,853 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,853 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,853 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,853 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,853 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,853 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,853 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 03:46:21,853 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,853 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 03:46:21,853 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,853 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 03:46:21,853 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,854 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,854 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,854 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,854 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,854 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,854 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,854 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,854 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,854 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,854 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,854 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,854 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,854 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 03:46:21,854 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 03:46:21,854 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 03:46:21,855 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,855 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,855 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,855 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,855 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,855 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,855 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,855 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,855 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,855 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,855 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,855 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,855 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 03:46:21,855 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,855 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 03:46:21,855 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 03:46:21,856 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,856 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,856 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,856 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,856 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,856 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,856 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse10 (= ~a16~0 |old(~a16~0)|)) (.cse11 (= ~a18~0 |old(~a18~0)|)) (.cse23 (= 4 |old(~a15~0)|)) (.cse16 (+ |old(~a18~0)| 156)) (.cse20 (= |old(~a15~0)| ~a15~0)) (.cse12 (= |old(~a12~0)| ~a12~0)) (.cse24 (= 6 |old(~a12~0)|)) (.cse8 (not (= 8 |old(~a16~0)|))) (.cse1 (not (= 3 |old(~a15~0)|))) (.cse2 (not (= 5 |old(~a12~0)|))) (.cse6 (not (= 11 |old(~a16~0)|))) (.cse25 (= 8 |old(~a12~0)|))) (let ((.cse18 (<= (+ ~a18~0 156) 0)) (.cse14 (< 0 (+ |old(~a18~0)| 388559))) (.cse9 (not .cse25)) (.cse4 (< |old(~a16~0)| 12)) (.cse21 (= ~a16~0 10)) (.cse22 (not (= 10 |old(~a16~0)|))) (.cse19 (< 134 ~a18~0)) (.cse17 (and (or .cse8 .cse1 .cse2) (or .cse1 .cse2 (not (= (+ |old(~a18~0)| 87) 0)) .cse6))) (.cse7 (not .cse24)) (.cse27 (and (= |old(~a16~0)| ~a16~0) .cse20 .cse12)) (.cse5 (<= .cse16 0)) (.cse28 (< 8 |old(~a16~0)|)) (.cse3 (= |calculate_output_#in~input| 0)) (.cse13 (not .cse23)) (.cse26 (< |old(~a12~0)| 6)) (.cse0 (and .cse20 .cse10 .cse11 .cse12)) (.cse15 (not (= 9 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 (or .cse1 .cse6 .cse3 .cse7) .cse5) (or .cse8 .cse1 .cse9 .cse5 (and .cse10 (= 3 ~a15~0) .cse11 .cse12)) (or .cse13 .cse14 .cse7 .cse0 .cse15) (or .cse13 .cse9 .cse5 .cse0 .cse15) (or .cse13 .cse14 .cse2 .cse0 .cse15) (or (< 0 .cse16) .cse3 .cse17 (or .cse18 .cse19)) (or (<= (+ |old(~a18~0)| 79) 0) .cse3 .cse17 (or .cse18 (< 0 (+ ~a18~0 79)))) (or (and .cse20 .cse11 .cse21 .cse12) .cse13 .cse22 (< 7 |old(~a12~0)|)) (or .cse13 .cse8 .cse9 .cse0 .cse5) (or .cse13 .cse14 .cse0 .cse8 .cse7) (or .cse0 (or .cse13 .cse2) .cse5 .cse15) (or .cse23 .cse0 .cse7 .cse4 .cse5) (or .cse13 .cse14 .cse8 .cse9 .cse0) (or .cse13 .cse7 .cse0 .cse5 .cse15) (or .cse13 .cse8 .cse0 .cse24 .cse25 .cse26 (< 8 |old(~a12~0)|)) (or .cse27 .cse23 .cse25 .cse28) (or .cse24 .cse23 .cse26 .cse0 .cse4) (or .cse13 .cse8 .cse2 .cse0) (or .cse23 (and .cse21 .cse20 .cse12) .cse22) (or .cse3 .cse19 .cse17 (<= |old(~a18~0)| 134)) (or .cse13 .cse8 .cse7 .cse5 .cse0) (or .cse1 .cse2 .cse6 .cse3 (and .cse10 .cse11 (= ~a12~0 5) .cse20)) (or .cse23 .cse27 .cse15) (or .cse13 .cse24 .cse26 .cse25 .cse0 .cse5 .cse28) (or .cse0 .cse1 .cse6 .cse3 .cse24 .cse26) (or .cse13 .cse24 .cse26 .cse25 .cse0 .cse15)))) [2018-11-23 03:46:21,856 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,856 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,857 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,857 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,857 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,857 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,857 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,857 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,857 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,857 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 03:46:21,857 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 03:46:21,857 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 03:46:21,857 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,857 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,857 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,857 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,857 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,857 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,858 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,858 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,858 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,858 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,858 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,858 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 03:46:21,858 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,858 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 03:46:21,858 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 03:46:21,858 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,858 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,858 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,858 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,858 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2018-11-23 03:46:21,859 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,859 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,859 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,859 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,859 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,859 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,859 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,859 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,859 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 03:46:21,859 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 03:46:21,859 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 03:46:21,859 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,859 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,859 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,859 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,859 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,860 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,860 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,860 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,860 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,860 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,860 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,860 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,860 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 03:46:21,860 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,860 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 03:46:21,860 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 03:46:21,860 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,860 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,860 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,861 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,861 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,861 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,861 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,861 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,861 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,861 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,861 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,861 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,861 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-23 03:46:21,861 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 03:46:21,861 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 03:46:21,861 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,861 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,861 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,862 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,862 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,862 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,862 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,862 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,862 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,862 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,862 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,862 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,862 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,862 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 03:46:21,862 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 03:46:21,862 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,862 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,863 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,863 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,863 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,863 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,863 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,863 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,863 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,863 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,863 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 03:46:21,863 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 03:46:21,863 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,863 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,863 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,863 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,863 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,863 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,864 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,864 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,864 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,864 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,864 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,864 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,864 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,864 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,864 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 03:46:21,864 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 03:46:21,864 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,864 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,864 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,864 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,864 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,865 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,865 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,865 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,865 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,865 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,865 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 03:46:21,865 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 03:46:21,865 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,865 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,865 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,865 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,865 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,865 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,865 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,865 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,865 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,866 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,866 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,866 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,866 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,866 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,866 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,866 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 03:46:21,866 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 03:46:21,866 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,866 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,866 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,866 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,866 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,866 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,866 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,866 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,867 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-23 03:46:21,867 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,867 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,867 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,867 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,867 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 03:46:21,867 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 03:46:21,867 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 03:46:21,867 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,867 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,867 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,867 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,867 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,867 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,867 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,868 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,868 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,868 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,868 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,868 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,868 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,868 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,868 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 03:46:21,868 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 03:46:21,868 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 03:46:21,868 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,868 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,868 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,868 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,868 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,868 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,869 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,869 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,869 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,869 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,869 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,869 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,869 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,869 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,869 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,869 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 03:46:21,869 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 03:46:21,869 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 03:46:21,869 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,869 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,869 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,870 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,870 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,870 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,870 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,870 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,870 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:46:21,870 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 03:46:21,870 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 03:46:21,870 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 03:46:21,870 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,870 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,870 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-23 03:46:21,870 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:46:21,870 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= ~a15~0 3) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-11-23 03:46:21,871 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:46:21,871 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:46:21,871 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|)) (and (= |old(~a15~0)| ~a15~0) (= ~a16~0 |old(~a16~0)|) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0)) (not (= (+ |old(~a18~0)| 87) 0))) [2018-11-23 03:46:21,871 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 03:46:21,871 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse1 (not (= ~a12~0 8))) (.cse11 (= |old(~a15~0)| ~a15~0)) (.cse12 (= ~a16~0 11)) (.cse8 (= 5 ~a12~0)) (.cse13 (<= 12 ~a16~0)) (.cse7 (not (= ~a12~0 6))) (.cse10 (not (= main_~input~0 0))) (.cse16 (= ~a15~0 3)) (.cse17 (= ~a12~0 5)) (.cse14 (= 6 ~a12~0)) (.cse2 (= 9 ~a16~0)) (.cse5 (= 8 ~a16~0)) (.cse6 (= 4 ~a15~0)) (.cse9 (<= (+ ~a18~0 388559) 0)) (.cse4 (<= 6 ~a12~0)) (.cse0 (not (= ~a15~0 4))) (.cse15 (= ~a16~0 10)) (.cse3 (< 0 (+ ~a18~0 156)))) (or (and .cse0 (<= ~a16~0 8) .cse1) (not (= 11 |old(~a16~0)|)) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (and .cse7 .cse1 .cse2 .cse4) (and .cse8 .cse9 .cse2) (not (= (+ |old(~a18~0)| 87) 0)) (and .cse10 .cse11 .cse12 .cse3 .cse4) (not (= 3 |old(~a15~0)|)) (and .cse13 .cse14 .cse11 .cse3) (and .cse8 .cse2 .cse3) (and .cse15 (<= ~a12~0 7)) (and .cse10 .cse16 .cse17 .cse12) (and .cse7 .cse1 (<= ~a16~0 9) .cse3 .cse4) (and .cse2 .cse0) (not (= 5 |old(~a12~0)|)) (and .cse10 .cse7 .cse11 .cse12 .cse4) (and .cse5 .cse8) (and .cse13 .cse7 .cse0 .cse4) (and (and .cse10 .cse16 .cse17) .cse3) (and .cse5 (= 7 ~a12~0)) (and .cse14 .cse9 .cse2) (and .cse5 .cse6 (<= ~a12~0 8) .cse9 .cse4) (and .cse0 .cse15) (and (= ~a16~0 8) (= 3 ~a15~0) .cse3))) [2018-11-23 03:46:21,871 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-23 03:46:21,871 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-23 03:46:21,872 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse13 (= ~a15~0 3))) (let ((.cse2 (= ~a16~0 11)) (.cse1 (not (= ~a12~0 8))) (.cse3 (and .cse13 (= ~a12~0 5))) (.cse10 (= 5 ~a12~0)) (.cse9 (not (= ~a12~0 6))) (.cse12 (= 6 ~a12~0)) (.cse4 (= 9 ~a16~0)) (.cse7 (= 8 ~a16~0)) (.cse8 (= 4 ~a15~0)) (.cse11 (<= (+ ~a18~0 388559) 0)) (.cse6 (<= 6 ~a12~0)) (.cse0 (not (= ~a15~0 4))) (.cse14 (= ~a16~0 10)) (.cse5 (< 0 (+ ~a18~0 156)))) (or (and .cse0 (<= ~a16~0 8) .cse1) (and .cse2 .cse3) (not (= 11 |old(~a16~0)|)) (and .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse5 .cse6) (and .cse9 .cse1 .cse4 .cse6) (and .cse10 .cse11 .cse4) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse12 (= |old(~a15~0)| ~a15~0) .cse5) (and .cse10 .cse4 .cse5) (and (and .cse2 .cse9 .cse13) .cse6) (and .cse14 (<= ~a12~0 7)) (and .cse9 .cse1 (<= ~a16~0 9) .cse5 .cse6) (and .cse4 .cse0) (not (= 5 |old(~a12~0)|)) (and .cse3 .cse5) (and .cse7 .cse10) (and (<= 12 ~a16~0) .cse9 .cse0 .cse6) (and .cse7 (= 7 ~a12~0)) (and .cse12 .cse11 .cse4) (and .cse7 .cse8 (<= ~a12~0 8) .cse11 .cse6) (and .cse0 .cse14) (and (= ~a16~0 8) (= 3 ~a15~0) .cse5)))) [2018-11-23 03:46:21,872 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 03:46:21,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:46:21 BoogieIcfgContainer [2018-11-23 03:46:21,885 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:46:21,885 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:46:21,885 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:46:21,885 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:46:21,886 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:00" (3/4) ... [2018-11-23 03:46:21,889 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:46:21,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:46:21,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-23 03:46:21,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 03:46:21,896 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:46:21,927 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 03:46:21,929 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 03:46:21,960 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((!(a15 == 4) && a16 <= 8) && !(a12 == 8)) || (a16 == 11 && a15 == 3 && a12 == 5)) || !(11 == \old(a16))) || ((9 == a16 && 0 < a18 + 156) && 6 <= a12)) || (((8 == a16 && 4 == a15) && 0 < a18 + 156) && 6 <= a12)) || (((!(a12 == 6) && !(a12 == 8)) && 9 == a16) && 6 <= a12)) || ((5 == a12 && a18 + 388559 <= 0) && 9 == a16)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || ((6 == a12 && \old(a15) == a15) && 0 < a18 + 156)) || ((5 == a12 && 9 == a16) && 0 < a18 + 156)) || (((a16 == 11 && !(a12 == 6)) && a15 == 3) && 6 <= a12)) || (a16 == 10 && a12 <= 7)) || ((((!(a12 == 6) && !(a12 == 8)) && a16 <= 9) && 0 < a18 + 156) && 6 <= a12)) || (9 == a16 && !(a15 == 4))) || !(5 == \old(a12))) || ((a15 == 3 && a12 == 5) && 0 < a18 + 156)) || (8 == a16 && 5 == a12)) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || (8 == a16 && 7 == a12)) || ((6 == a12 && a18 + 388559 <= 0) && 9 == a16)) || ((((8 == a16 && 4 == a15) && a12 <= 8) && a18 + 388559 <= 0) && 6 <= a12)) || (!(a15 == 4) && a16 == 10)) || ((a16 == 8 && 3 == a15) && 0 < a18 + 156) [2018-11-23 03:46:22,136 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e227fef1-fa6d-4689-9210-70b4dbbbc10c/bin-2019/utaipan/witness.graphml [2018-11-23 03:46:22,137 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:46:22,137 INFO L168 Benchmark]: Toolchain (without parser) took 384219.77 ms. Allocated memory was 1.0 GB in the beginning and 5.4 GB in the end (delta: 4.3 GB). Free memory was 951.2 MB in the beginning and 3.5 GB in the end (delta: -2.6 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-23 03:46:22,138 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:46:22,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. [2018-11-23 03:46:22,139 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:46:22,139 INFO L168 Benchmark]: Boogie Preprocessor took 79.08 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: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-23 03:46:22,139 INFO L168 Benchmark]: RCFGBuilder took 1422.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 871.0 MB in the end (delta: 248.8 MB). Peak memory consumption was 248.8 MB. Max. memory is 11.5 GB. [2018-11-23 03:46:22,139 INFO L168 Benchmark]: TraceAbstraction took 381720.25 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 871.0 MB in the beginning and 3.5 GB in the end (delta: -2.7 GB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. [2018-11-23 03:46:22,140 INFO L168 Benchmark]: Witness Printer took 251.52 ms. Allocated memory is still 5.4 GB. Free memory was 3.5 GB in the beginning and 3.5 GB in the end (delta: 4.2 kB). Peak memory consumption was 4.2 kB. Max. memory is 11.5 GB. [2018-11-23 03:46:22,142 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 707.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 79.08 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: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1422.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 871.0 MB in the end (delta: 248.8 MB). Peak memory consumption was 248.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 381720.25 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 871.0 MB in the beginning and 3.5 GB in the end (delta: -2.7 GB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. * Witness Printer took 251.52 ms. Allocated memory is still 5.4 GB. Free memory was 3.5 GB in the beginning and 3.5 GB in the end (delta: 4.2 kB). Peak memory consumption was 4.2 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 172]: 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: 1773]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((!(a15 == 4) && a16 <= 8) && !(a12 == 8)) || (a16 == 11 && a15 == 3 && a12 == 5)) || !(11 == \old(a16))) || ((9 == a16 && 0 < a18 + 156) && 6 <= a12)) || (((8 == a16 && 4 == a15) && 0 < a18 + 156) && 6 <= a12)) || (((!(a12 == 6) && !(a12 == 8)) && 9 == a16) && 6 <= a12)) || ((5 == a12 && a18 + 388559 <= 0) && 9 == a16)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || ((6 == a12 && \old(a15) == a15) && 0 < a18 + 156)) || ((5 == a12 && 9 == a16) && 0 < a18 + 156)) || (((a16 == 11 && !(a12 == 6)) && a15 == 3) && 6 <= a12)) || (a16 == 10 && a12 <= 7)) || ((((!(a12 == 6) && !(a12 == 8)) && a16 <= 9) && 0 < a18 + 156) && 6 <= a12)) || (9 == a16 && !(a15 == 4))) || !(5 == \old(a12))) || ((a15 == 3 && a12 == 5) && 0 < a18 + 156)) || (8 == a16 && 5 == a12)) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || (8 == a16 && 7 == a12)) || ((6 == a12 && a18 + 388559 <= 0) && 9 == a16)) || ((((8 == a16 && 4 == a15) && a12 <= 8) && a18 + 388559 <= 0) && 6 <= a12)) || (!(a15 == 4) && a16 == 10)) || ((a16 == 8 && 3 == a15) && 0 < a18 + 156) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 381.6s OverallTime, 20 OverallIterations, 11 TraceHistogramMax, 321.8s AutomataDifference, 0.0s DeadEndRemovalTime, 12.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 4410 SDtfs, 40208 SDslu, 4798 SDs, 0 SdLazy, 86836 SolverSat, 9528 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 286.1s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 30583 GetRequests, 30184 SyntacticMatches, 23 SemanticMatches, 376 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4249 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15348occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.1s AbstIntTime, 15 AbstIntIterations, 5 AbstIntStrong, 0.9981017773913449 AbsIntWeakeningRatio, 0.05844376486578321 AbsIntAvgWeakeningVarsNumRemoved, 16.139653414882773 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 20 MinimizatonAttempts, 2230 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1891 PreInvPairs, 3945 NumberOfFragments, 3324 HoareAnnotationTreeSize, 1891 FomulaSimplifications, 62388 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 67503 FormulaSimplificationTreeSizeReductionInter, 9.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 20.6s InterpolantComputationTime, 32041 NumberOfCodeBlocks, 32041 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 45578 ConstructedInterpolants, 0 QuantifiedInterpolants, 175077676 SizeOfPredicates, 8 NumberOfNonLiveVariables, 17638 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 40 InterpolantComputations, 9 PerfectInterpolantSequences, 128788/136072 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...