./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3ad13d2c-a6ca-4ef6-a9fb-caedb0277485/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3ad13d2c-a6ca-4ef6-a9fb-caedb0277485/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3ad13d2c-a6ca-4ef6-a9fb-caedb0277485/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3ad13d2c-a6ca-4ef6-a9fb-caedb0277485/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3ad13d2c-a6ca-4ef6-a9fb-caedb0277485/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3ad13d2c-a6ca-4ef6-a9fb-caedb0277485/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 d90d90ab0f83213f6e486d9f5a42850d0f82e05d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:06:15,853 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:06:15,854 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:06:15,860 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:06:15,860 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:06:15,861 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:06:15,862 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:06:15,863 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:06:15,864 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:06:15,864 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:06:15,865 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:06:15,865 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:06:15,866 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:06:15,866 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:06:15,867 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:06:15,868 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:06:15,868 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:06:15,869 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:06:15,871 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:06:15,871 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:06:15,872 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:06:15,873 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:06:15,874 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:06:15,875 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:06:15,875 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:06:15,875 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:06:15,876 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:06:15,876 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:06:15,877 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:06:15,877 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:06:15,877 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:06:15,878 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:06:15,878 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:06:15,878 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:06:15,878 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:06:15,879 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:06:15,879 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3ad13d2c-a6ca-4ef6-a9fb-caedb0277485/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:06:15,889 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:06:15,889 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:06:15,890 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:06:15,890 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:06:15,890 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:06:15,890 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:06:15,890 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:06:15,890 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:06:15,890 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:06:15,891 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:06:15,891 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:06:15,891 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:06:15,891 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:06:15,892 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:06:15,892 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:06:15,892 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:06:15,892 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:06:15,892 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:06:15,892 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:06:15,892 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:06:15,892 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:06:15,893 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:06:15,893 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:06:15,893 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:06:15,893 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:06:15,893 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:06:15,893 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:06:15,893 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:06:15,894 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:06:15,894 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:06:15,894 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:06:15,894 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:06:15,894 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:06:15,894 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:06:15,894 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:06:15,894 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:06:15,895 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:06:15,895 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_3ad13d2c-a6ca-4ef6-a9fb-caedb0277485/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 -> d90d90ab0f83213f6e486d9f5a42850d0f82e05d [2018-11-18 10:06:15,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:06:15,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:06:15,930 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:06:15,931 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:06:15,932 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:06:15,932 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3ad13d2c-a6ca-4ef6-a9fb-caedb0277485/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c [2018-11-18 10:06:15,979 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ad13d2c-a6ca-4ef6-a9fb-caedb0277485/bin-2019/utaipan/data/8e9224826/a93d5f9b54d548078f045847d6c5d9ce/FLAG462aa8643 [2018-11-18 10:06:16,404 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:06:16,404 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3ad13d2c-a6ca-4ef6-a9fb-caedb0277485/sv-benchmarks/c/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c [2018-11-18 10:06:16,414 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ad13d2c-a6ca-4ef6-a9fb-caedb0277485/bin-2019/utaipan/data/8e9224826/a93d5f9b54d548078f045847d6c5d9ce/FLAG462aa8643 [2018-11-18 10:06:16,755 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3ad13d2c-a6ca-4ef6-a9fb-caedb0277485/bin-2019/utaipan/data/8e9224826/a93d5f9b54d548078f045847d6c5d9ce [2018-11-18 10:06:16,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:06:16,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:06:16,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:06:16,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:06:16,760 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:06:16,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:06:16" (1/1) ... [2018-11-18 10:06:16,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1492b9f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:06:16, skipping insertion in model container [2018-11-18 10:06:16,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:06:16" (1/1) ... [2018-11-18 10:06:16,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:06:16,806 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:06:17,017 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:06:17,019 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:06:17,085 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:06:17,097 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:06:17,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:06:17 WrapperNode [2018-11-18 10:06:17,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:06:17,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:06:17,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:06:17,098 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:06:17,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:06:17" (1/1) ... [2018-11-18 10:06:17,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:06:17" (1/1) ... [2018-11-18 10:06:17,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:06:17,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:06:17,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:06:17,168 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:06:17,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:06:17" (1/1) ... [2018-11-18 10:06:17,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:06:17" (1/1) ... [2018-11-18 10:06:17,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:06:17" (1/1) ... [2018-11-18 10:06:17,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:06:17" (1/1) ... [2018-11-18 10:06:17,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:06:17" (1/1) ... [2018-11-18 10:06:17,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:06:17" (1/1) ... [2018-11-18 10:06:17,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:06:17" (1/1) ... [2018-11-18 10:06:17,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:06:17,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:06:17,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:06:17,220 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:06:17,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:06:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3ad13d2c-a6ca-4ef6-a9fb-caedb0277485/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:06:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 10:06:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:06:17,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:06:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 10:06:17,270 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 10:06:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:06:17,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:06:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:06:17,270 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:06:18,172 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:06:18,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:06:18 BoogieIcfgContainer [2018-11-18 10:06:18,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:06:18,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:06:18,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:06:18,175 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:06:18,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:06:16" (1/3) ... [2018-11-18 10:06:18,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4caafa0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:06:18, skipping insertion in model container [2018-11-18 10:06:18,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:06:17" (2/3) ... [2018-11-18 10:06:18,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4caafa0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:06:18, skipping insertion in model container [2018-11-18 10:06:18,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:06:18" (3/3) ... [2018-11-18 10:06:18,178 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label10_true-unreach-call_false-termination.c [2018-11-18 10:06:18,186 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:06:18,191 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:06:18,202 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:06:18,229 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:06:18,229 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:06:18,230 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:06:18,230 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:06:18,230 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:06:18,230 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:06:18,230 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:06:18,230 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:06:18,247 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-18 10:06:18,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 10:06:18,253 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:06:18,254 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:06:18,255 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:06:18,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:06:18,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1393235429, now seen corresponding path program 1 times [2018-11-18 10:06:18,260 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:06:18,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:06:18,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:06:18,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:06:18,297 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:06:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:06:18,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:06:18,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:06:18,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:06:18,578 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:06:18,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:06:18,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:06:18,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:06:18,592 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-18 10:06:19,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:06:19,128 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-18 10:06:19,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:06:19,129 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2018-11-18 10:06:19,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:06:19,139 INFO L225 Difference]: With dead ends: 550 [2018-11-18 10:06:19,140 INFO L226 Difference]: Without dead ends: 340 [2018-11-18 10:06:19,143 INFO L604 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 [2018-11-18 10:06:19,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-18 10:06:19,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-18 10:06:19,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-18 10:06:19,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 569 transitions. [2018-11-18 10:06:19,186 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 569 transitions. Word has length 117 [2018-11-18 10:06:19,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:06:19,187 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 569 transitions. [2018-11-18 10:06:19,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:06:19,187 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 569 transitions. [2018-11-18 10:06:19,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 10:06:19,190 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:06:19,190 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:06:19,190 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:06:19,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:06:19,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1543937650, now seen corresponding path program 1 times [2018-11-18 10:06:19,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:06:19,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:06:19,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:06:19,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:06:19,192 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:06:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:06:19,296 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:06:19,296 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:06:19,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:06:19,297 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:06:19,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 10:06:19,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:06:19,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:06:19,299 INFO L87 Difference]: Start difference. First operand 340 states and 569 transitions. Second operand 5 states. [2018-11-18 10:06:19,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:06:19,882 INFO L93 Difference]: Finished difference Result 1079 states and 1888 transitions. [2018-11-18 10:06:19,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:06:19,884 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2018-11-18 10:06:19,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:06:19,888 INFO L225 Difference]: With dead ends: 1079 [2018-11-18 10:06:19,888 INFO L226 Difference]: Without dead ends: 745 [2018-11-18 10:06:19,889 INFO L604 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 [2018-11-18 10:06:19,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-11-18 10:06:19,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 733. [2018-11-18 10:06:19,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2018-11-18 10:06:19,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1163 transitions. [2018-11-18 10:06:19,921 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1163 transitions. Word has length 127 [2018-11-18 10:06:19,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:06:19,922 INFO L480 AbstractCegarLoop]: Abstraction has 733 states and 1163 transitions. [2018-11-18 10:06:19,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 10:06:19,922 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1163 transitions. [2018-11-18 10:06:19,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 10:06:19,926 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:06:19,926 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:06:19,926 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:06:19,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:06:19,927 INFO L82 PathProgramCache]: Analyzing trace with hash 942593623, now seen corresponding path program 1 times [2018-11-18 10:06:19,927 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:06:19,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:06:19,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:06:19,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:06:19,929 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:06:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:06:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:06:20,006 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:06:20,007 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:06:20,007 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-11-18 10:06:20,009 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [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], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 10:06:20,039 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:06:20,050 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:06:20,523 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:06:20,524 INFO L272 AbstractInterpreter]: Visited 121 different actions 235 times. Merged at 4 different actions 4 times. Never widened. Performed 3217 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3217 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 10:06:20,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:06:20,538 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:06:20,775 INFO L227 lantSequenceWeakener]: Weakened 150 states. On average, predicates are now at 81.88% of their original sizes. [2018-11-18 10:06:20,775 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:06:20,843 INFO L415 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2018-11-18 10:06:20,843 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:06:20,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:06:20,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 10:06:20,844 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:06:20,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 10:06:20,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 10:06:20,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:06:20,845 INFO L87 Difference]: Start difference. First operand 733 states and 1163 transitions. Second operand 10 states. [2018-11-18 10:06:25,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:06:25,577 INFO L93 Difference]: Finished difference Result 2801 states and 4501 transitions. [2018-11-18 10:06:25,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 10:06:25,577 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 153 [2018-11-18 10:06:25,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:06:25,583 INFO L225 Difference]: With dead ends: 2801 [2018-11-18 10:06:25,583 INFO L226 Difference]: Without dead ends: 2074 [2018-11-18 10:06:25,585 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 162 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 10:06:25,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2074 states. [2018-11-18 10:06:25,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2074 to 2043. [2018-11-18 10:06:25,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2043 states. [2018-11-18 10:06:25,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2043 states to 2043 states and 2623 transitions. [2018-11-18 10:06:25,623 INFO L78 Accepts]: Start accepts. Automaton has 2043 states and 2623 transitions. Word has length 153 [2018-11-18 10:06:25,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:06:25,623 INFO L480 AbstractCegarLoop]: Abstraction has 2043 states and 2623 transitions. [2018-11-18 10:06:25,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 10:06:25,623 INFO L276 IsEmpty]: Start isEmpty. Operand 2043 states and 2623 transitions. [2018-11-18 10:06:25,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 10:06:25,626 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:06:25,627 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:06:25,629 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:06:25,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:06:25,629 INFO L82 PathProgramCache]: Analyzing trace with hash 175816796, now seen corresponding path program 1 times [2018-11-18 10:06:25,629 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:06:25,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:06:25,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:06:25,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:06:25,630 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:06:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:06:25,726 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:06:25,726 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:06:25,726 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:06:25,727 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-11-18 10:06:25,727 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [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], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 10:06:25,730 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:06:25,730 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:06:25,854 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:06:25,854 INFO L272 AbstractInterpreter]: Visited 122 different actions 238 times. Merged at 5 different actions 5 times. Never widened. Performed 3112 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3112 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 10:06:25,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:06:25,855 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:06:26,036 INFO L227 lantSequenceWeakener]: Weakened 163 states. On average, predicates are now at 81.85% of their original sizes. [2018-11-18 10:06:26,037 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:06:26,107 INFO L415 sIntCurrentIteration]: We unified 165 AI predicates to 165 [2018-11-18 10:06:26,107 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:06:26,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:06:26,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 10:06:26,107 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:06:26,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 10:06:26,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 10:06:26,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:06:26,108 INFO L87 Difference]: Start difference. First operand 2043 states and 2623 transitions. Second operand 10 states. [2018-11-18 10:06:28,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:06:28,078 INFO L93 Difference]: Finished difference Result 4085 states and 5313 transitions. [2018-11-18 10:06:28,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 10:06:28,078 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 166 [2018-11-18 10:06:28,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:06:28,086 INFO L225 Difference]: With dead ends: 4085 [2018-11-18 10:06:28,086 INFO L226 Difference]: Without dead ends: 2184 [2018-11-18 10:06:28,089 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 173 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 10:06:28,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2184 states. [2018-11-18 10:06:28,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2184 to 2181. [2018-11-18 10:06:28,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2181 states. [2018-11-18 10:06:28,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2777 transitions. [2018-11-18 10:06:28,133 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2777 transitions. Word has length 166 [2018-11-18 10:06:28,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:06:28,133 INFO L480 AbstractCegarLoop]: Abstraction has 2181 states and 2777 transitions. [2018-11-18 10:06:28,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 10:06:28,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2777 transitions. [2018-11-18 10:06:28,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 10:06:28,138 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:06:28,138 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:06:28,139 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:06:28,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:06:28,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1952384591, now seen corresponding path program 1 times [2018-11-18 10:06:28,139 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:06:28,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:06:28,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:06:28,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:06:28,140 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:06:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:06:28,211 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 66 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 10:06:28,211 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:06:28,211 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:06:28,212 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-11-18 10:06:28,212 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [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], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 10:06:28,215 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:06:28,215 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:06:28,378 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:06:28,378 INFO L272 AbstractInterpreter]: Visited 123 different actions 365 times. Merged at 7 different actions 18 times. Never widened. Performed 4938 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4938 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-18 10:06:28,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:06:28,386 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:06:28,521 INFO L227 lantSequenceWeakener]: Weakened 175 states. On average, predicates are now at 83.41% of their original sizes. [2018-11-18 10:06:28,521 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:06:28,574 INFO L415 sIntCurrentIteration]: We unified 177 AI predicates to 177 [2018-11-18 10:06:28,575 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:06:28,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:06:28,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-11-18 10:06:28,575 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:06:28,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 10:06:28,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 10:06:28,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:06:28,576 INFO L87 Difference]: Start difference. First operand 2181 states and 2777 transitions. Second operand 9 states. [2018-11-18 10:06:30,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:06:30,882 INFO L93 Difference]: Finished difference Result 5194 states and 6952 transitions. [2018-11-18 10:06:30,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 10:06:30,883 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 178 [2018-11-18 10:06:30,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:06:30,892 INFO L225 Difference]: With dead ends: 5194 [2018-11-18 10:06:30,893 INFO L226 Difference]: Without dead ends: 3293 [2018-11-18 10:06:30,899 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 184 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 10:06:30,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3293 states. [2018-11-18 10:06:31,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3293 to 3243. [2018-11-18 10:06:31,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3243 states. [2018-11-18 10:06:31,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3243 states to 3243 states and 4110 transitions. [2018-11-18 10:06:31,008 INFO L78 Accepts]: Start accepts. Automaton has 3243 states and 4110 transitions. Word has length 178 [2018-11-18 10:06:31,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:06:31,008 INFO L480 AbstractCegarLoop]: Abstraction has 3243 states and 4110 transitions. [2018-11-18 10:06:31,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 10:06:31,009 INFO L276 IsEmpty]: Start isEmpty. Operand 3243 states and 4110 transitions. [2018-11-18 10:06:31,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 10:06:31,015 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:06:31,015 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-11-18 10:06:31,015 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:06:31,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:06:31,015 INFO L82 PathProgramCache]: Analyzing trace with hash 588083980, now seen corresponding path program 1 times [2018-11-18 10:06:31,015 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:06:31,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:06:31,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:06:31,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:06:31,016 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:06:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:06:31,091 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 88 proven. 20 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-18 10:06:31,092 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:06:31,092 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:06:31,092 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 199 with the following transitions: [2018-11-18 10:06:31,093 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [65], [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], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 10:06:31,097 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:06:31,098 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:06:31,479 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:06:31,480 INFO L272 AbstractInterpreter]: Visited 125 different actions 624 times. Merged at 10 different actions 46 times. Widened at 1 different actions 1 times. Performed 8986 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8986 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 12 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-18 10:06:31,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:06:31,486 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:06:31,486 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:06:31,486 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3ad13d2c-a6ca-4ef6-a9fb-caedb0277485/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:06:31,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:06:31,493 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:06:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:06:31,565 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:06:31,657 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-11-18 10:06:31,658 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:06:31,744 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 88 proven. 20 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-18 10:06:31,766 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 10:06:31,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-18 10:06:31,766 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 10:06:31,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 10:06:31,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 10:06:31,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-18 10:06:31,767 INFO L87 Difference]: Start difference. First operand 3243 states and 4110 transitions. Second operand 8 states. [2018-11-18 10:06:33,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:06:33,485 INFO L93 Difference]: Finished difference Result 11103 states and 15009 transitions. [2018-11-18 10:06:33,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 10:06:33,486 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 198 [2018-11-18 10:06:33,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:06:33,498 INFO L225 Difference]: With dead ends: 11103 [2018-11-18 10:06:33,498 INFO L226 Difference]: Without dead ends: 4043 [2018-11-18 10:06:33,519 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-11-18 10:06:33,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4043 states. [2018-11-18 10:06:33,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4043 to 3962. [2018-11-18 10:06:33,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3962 states. [2018-11-18 10:06:33,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3962 states to 3962 states and 4619 transitions. [2018-11-18 10:06:33,595 INFO L78 Accepts]: Start accepts. Automaton has 3962 states and 4619 transitions. Word has length 198 [2018-11-18 10:06:33,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:06:33,596 INFO L480 AbstractCegarLoop]: Abstraction has 3962 states and 4619 transitions. [2018-11-18 10:06:33,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 10:06:33,596 INFO L276 IsEmpty]: Start isEmpty. Operand 3962 states and 4619 transitions. [2018-11-18 10:06:33,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 10:06:33,604 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:06:33,604 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:06:33,604 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:06:33,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:06:33,604 INFO L82 PathProgramCache]: Analyzing trace with hash -8986296, now seen corresponding path program 1 times [2018-11-18 10:06:33,604 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:06:33,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:06:33,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:06:33,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:06:33,605 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:06:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:06:33,727 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 10:06:33,727 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:06:33,727 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:06:33,727 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 200 with the following transitions: [2018-11-18 10:06:33,727 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 10:06:33,730 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:06:33,731 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:06:33,864 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:06:33,864 INFO L272 AbstractInterpreter]: Visited 122 different actions 238 times. Merged at 5 different actions 5 times. Never widened. Performed 3174 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3174 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 10:06:33,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:06:33,866 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:06:34,039 INFO L227 lantSequenceWeakener]: Weakened 196 states. On average, predicates are now at 81.8% of their original sizes. [2018-11-18 10:06:34,039 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:06:34,082 INFO L415 sIntCurrentIteration]: We unified 198 AI predicates to 198 [2018-11-18 10:06:34,082 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:06:34,082 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:06:34,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 10:06:34,083 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:06:34,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 10:06:34,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 10:06:34,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:06:34,083 INFO L87 Difference]: Start difference. First operand 3962 states and 4619 transitions. Second operand 10 states. [2018-11-18 10:06:36,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:06:36,727 INFO L93 Difference]: Finished difference Result 8105 states and 9490 transitions. [2018-11-18 10:06:36,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 10:06:36,728 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 199 [2018-11-18 10:06:36,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:06:36,739 INFO L225 Difference]: With dead ends: 8105 [2018-11-18 10:06:36,739 INFO L226 Difference]: Without dead ends: 4423 [2018-11-18 10:06:36,745 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 207 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-18 10:06:36,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4423 states. [2018-11-18 10:06:36,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4423 to 4420. [2018-11-18 10:06:36,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4420 states. [2018-11-18 10:06:36,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4420 states to 4420 states and 5108 transitions. [2018-11-18 10:06:36,818 INFO L78 Accepts]: Start accepts. Automaton has 4420 states and 5108 transitions. Word has length 199 [2018-11-18 10:06:36,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:06:36,818 INFO L480 AbstractCegarLoop]: Abstraction has 4420 states and 5108 transitions. [2018-11-18 10:06:36,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 10:06:36,818 INFO L276 IsEmpty]: Start isEmpty. Operand 4420 states and 5108 transitions. [2018-11-18 10:06:36,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-18 10:06:36,827 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:06:36,827 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:06:36,827 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:06:36,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:06:36,827 INFO L82 PathProgramCache]: Analyzing trace with hash -356646139, now seen corresponding path program 1 times [2018-11-18 10:06:36,827 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:06:36,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:06:36,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:06:36,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:06:36,829 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:06:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:06:36,937 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 44 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 10:06:36,938 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:06:36,938 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:06:36,938 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-11-18 10:06:36,938 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 10:06:36,940 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:06:36,940 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:06:37,168 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:06:37,169 INFO L272 AbstractInterpreter]: Visited 124 different actions 498 times. Merged at 9 different actions 38 times. Widened at 1 different actions 1 times. Performed 6955 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6955 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-18 10:06:37,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:06:37,174 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:06:37,174 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:06:37,174 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3ad13d2c-a6ca-4ef6-a9fb-caedb0277485/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:06:37,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:06:37,183 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:06:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:06:37,235 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:06:37,297 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 108 proven. 2 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 10:06:37,298 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:06:37,358 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 96 proven. 36 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:06:37,374 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 10:06:37,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-18 10:06:37,374 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 10:06:37,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 10:06:37,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 10:06:37,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-18 10:06:37,375 INFO L87 Difference]: Start difference. First operand 4420 states and 5108 transitions. Second operand 11 states. [2018-11-18 10:06:38,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:06:38,450 INFO L93 Difference]: Finished difference Result 13388 states and 16471 transitions. [2018-11-18 10:06:38,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 10:06:38,451 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 208 [2018-11-18 10:06:38,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:06:38,473 INFO L225 Difference]: With dead ends: 13388 [2018-11-18 10:06:38,473 INFO L226 Difference]: Without dead ends: 9568 [2018-11-18 10:06:38,481 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 419 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-18 10:06:38,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9568 states. [2018-11-18 10:06:38,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9568 to 9524. [2018-11-18 10:06:38,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9524 states. [2018-11-18 10:06:38,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9524 states to 9524 states and 11272 transitions. [2018-11-18 10:06:38,640 INFO L78 Accepts]: Start accepts. Automaton has 9524 states and 11272 transitions. Word has length 208 [2018-11-18 10:06:38,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:06:38,640 INFO L480 AbstractCegarLoop]: Abstraction has 9524 states and 11272 transitions. [2018-11-18 10:06:38,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 10:06:38,640 INFO L276 IsEmpty]: Start isEmpty. Operand 9524 states and 11272 transitions. [2018-11-18 10:06:38,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-18 10:06:38,658 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:06:38,658 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:06:38,659 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:06:38,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:06:38,659 INFO L82 PathProgramCache]: Analyzing trace with hash -270817773, now seen corresponding path program 1 times [2018-11-18 10:06:38,659 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:06:38,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:06:38,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:06:38,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:06:38,660 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:06:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:06:38,787 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 141 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 10:06:38,787 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:06:38,787 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:06:38,787 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 218 with the following transitions: [2018-11-18 10:06:38,787 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [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], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 10:06:38,789 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:06:38,789 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:06:38,973 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:06:38,973 INFO L272 AbstractInterpreter]: Visited 123 different actions 361 times. Merged at 7 different actions 14 times. Never widened. Performed 4739 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4739 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-18 10:06:38,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:06:38,974 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:06:39,177 INFO L227 lantSequenceWeakener]: Weakened 214 states. On average, predicates are now at 83.58% of their original sizes. [2018-11-18 10:06:39,178 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:06:39,219 INFO L415 sIntCurrentIteration]: We unified 216 AI predicates to 216 [2018-11-18 10:06:39,219 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:06:39,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:06:39,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-18 10:06:39,220 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:06:39,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 10:06:39,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 10:06:39,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:06:39,220 INFO L87 Difference]: Start difference. First operand 9524 states and 11272 transitions. Second operand 9 states. [2018-11-18 10:06:40,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:06:40,773 INFO L93 Difference]: Finished difference Result 19010 states and 22602 transitions. [2018-11-18 10:06:40,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 10:06:40,773 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 217 [2018-11-18 10:06:40,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:06:40,799 INFO L225 Difference]: With dead ends: 19010 [2018-11-18 10:06:40,799 INFO L226 Difference]: Without dead ends: 10224 [2018-11-18 10:06:40,815 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 222 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-11-18 10:06:40,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10224 states. [2018-11-18 10:06:41,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10224 to 10218. [2018-11-18 10:06:41,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10218 states. [2018-11-18 10:06:41,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10218 states to 10218 states and 12051 transitions. [2018-11-18 10:06:41,022 INFO L78 Accepts]: Start accepts. Automaton has 10218 states and 12051 transitions. Word has length 217 [2018-11-18 10:06:41,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:06:41,023 INFO L480 AbstractCegarLoop]: Abstraction has 10218 states and 12051 transitions. [2018-11-18 10:06:41,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 10:06:41,023 INFO L276 IsEmpty]: Start isEmpty. Operand 10218 states and 12051 transitions. [2018-11-18 10:06:41,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-11-18 10:06:41,040 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:06:41,040 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:06:41,041 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:06:41,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:06:41,041 INFO L82 PathProgramCache]: Analyzing trace with hash -2082043312, now seen corresponding path program 1 times [2018-11-18 10:06:41,041 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:06:41,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:06:41,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:06:41,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:06:41,042 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:06:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:06:41,161 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 112 proven. 65 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 10:06:41,161 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:06:41,161 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:06:41,161 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 229 with the following transitions: [2018-11-18 10:06:41,162 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 10:06:41,163 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:06:41,163 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:06:41,409 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:06:41,409 INFO L272 AbstractInterpreter]: Visited 125 different actions 507 times. Merged at 10 different actions 43 times. Widened at 1 different actions 1 times. Performed 7095 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7095 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-18 10:06:41,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:06:41,414 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:06:41,414 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:06:41,414 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3ad13d2c-a6ca-4ef6-a9fb-caedb0277485/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:06:41,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:06:41,422 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:06:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:06:41,503 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:06:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 136 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-11-18 10:06:41,556 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:06:41,630 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 118 proven. 20 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-11-18 10:06:41,649 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 10:06:41,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-18 10:06:41,649 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 10:06:41,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 10:06:41,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 10:06:41,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-18 10:06:41,650 INFO L87 Difference]: Start difference. First operand 10218 states and 12051 transitions. Second operand 12 states. [2018-11-18 10:06:43,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:06:43,864 INFO L93 Difference]: Finished difference Result 24207 states and 29926 transitions. [2018-11-18 10:06:43,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-11-18 10:06:43,864 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 228 [2018-11-18 10:06:43,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:06:43,893 INFO L225 Difference]: With dead ends: 24207 [2018-11-18 10:06:43,893 INFO L226 Difference]: Without dead ends: 13915 [2018-11-18 10:06:43,907 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 488 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 679 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=521, Invalid=1929, Unknown=0, NotChecked=0, Total=2450 [2018-11-18 10:06:43,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13915 states. [2018-11-18 10:06:44,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13915 to 13370. [2018-11-18 10:06:44,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13370 states. [2018-11-18 10:06:44,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13370 states to 13370 states and 16074 transitions. [2018-11-18 10:06:44,074 INFO L78 Accepts]: Start accepts. Automaton has 13370 states and 16074 transitions. Word has length 228 [2018-11-18 10:06:44,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:06:44,075 INFO L480 AbstractCegarLoop]: Abstraction has 13370 states and 16074 transitions. [2018-11-18 10:06:44,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 10:06:44,075 INFO L276 IsEmpty]: Start isEmpty. Operand 13370 states and 16074 transitions. [2018-11-18 10:06:44,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 10:06:44,088 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:06:44,088 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:06:44,088 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:06:44,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:06:44,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1872240097, now seen corresponding path program 1 times [2018-11-18 10:06:44,089 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:06:44,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:06:44,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:06:44,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:06:44,089 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:06:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:06:44,194 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 167 proven. 45 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 10:06:44,194 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:06:44,194 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:06:44,195 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 234 with the following transitions: [2018-11-18 10:06:44,195 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 10:06:44,197 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:06:44,197 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:06:44,474 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:06:44,474 INFO L272 AbstractInterpreter]: Visited 124 different actions 490 times. Merged at 9 different actions 30 times. Never widened. Performed 7019 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7019 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 4 different actions. Largest state had 42 variables. [2018-11-18 10:06:44,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:06:44,490 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:06:44,490 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:06:44,490 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3ad13d2c-a6ca-4ef6-a9fb-caedb0277485/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:06:44,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:06:44,500 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:06:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:06:44,562 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:06:44,613 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 150 proven. 19 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 10:06:44,613 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:06:44,697 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 10:06:44,718 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 10:06:44,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2018-11-18 10:06:44,718 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 10:06:44,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 10:06:44,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 10:06:44,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-11-18 10:06:44,719 INFO L87 Difference]: Start difference. First operand 13370 states and 16074 transitions. Second operand 11 states. [2018-11-18 10:06:46,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:06:46,419 INFO L93 Difference]: Finished difference Result 27714 states and 35644 transitions. [2018-11-18 10:06:46,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-18 10:06:46,419 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 233 [2018-11-18 10:06:46,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:06:46,420 INFO L225 Difference]: With dead ends: 27714 [2018-11-18 10:06:46,420 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:06:46,472 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 483 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=1390, Unknown=0, NotChecked=0, Total=1722 [2018-11-18 10:06:46,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:06:46,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:06:46,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:06:46,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:06:46,473 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 233 [2018-11-18 10:06:46,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:06:46,473 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:06:46,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 10:06:46,473 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:06:46,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:06:46,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:06:46,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:46,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:46,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:46,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:46,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:46,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:46,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:46,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:46,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:46,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:46,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:46,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:46,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:46,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:46,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:46,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:46,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:46,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:46,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:46,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:46,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:46,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:46,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,363 WARN L180 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 161 [2018-11-18 10:06:47,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:06:47,764 WARN L180 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 113 [2018-11-18 10:06:49,574 WARN L180 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 368 DAG size of output: 119 [2018-11-18 10:06:50,061 WARN L180 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 79 [2018-11-18 10:06:50,438 WARN L180 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2018-11-18 10:06:50,440 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:06:50,440 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= ~a16~0 |old(~a16~0)|)) [2018-11-18 10:06:50,440 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:06:50,440 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-18 10:06:50,440 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-18 10:06:50,440 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,441 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,441 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,441 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,441 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,441 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,441 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-18 10:06:50,441 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-18 10:06:50,441 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 10:06:50,441 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-18 10:06:50,441 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-18 10:06:50,441 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 10:06:50,441 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-18 10:06:50,441 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-18 10:06:50,441 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-18 10:06:50,441 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-18 10:06:50,441 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,442 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,442 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,442 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,442 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,442 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,442 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-18 10:06:50,442 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-18 10:06:50,442 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-18 10:06:50,442 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-18 10:06:50,442 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-18 10:06:50,442 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-18 10:06:50,442 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-18 10:06:50,442 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-18 10:06:50,442 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-18 10:06:50,442 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-18 10:06:50,442 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-18 10:06:50,443 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-18 10:06:50,443 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-18 10:06:50,443 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-18 10:06:50,443 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-18 10:06:50,443 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,443 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,443 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,443 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,443 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,443 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-18 10:06:50,443 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-18 10:06:50,443 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-18 10:06:50,443 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-18 10:06:50,443 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-18 10:06:50,443 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 10:06:50,443 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-18 10:06:50,444 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-18 10:06:50,444 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-18 10:06:50,444 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,444 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,444 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,444 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,444 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,444 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-18 10:06:50,444 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-18 10:06:50,444 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-18 10:06:50,444 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-18 10:06:50,444 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-18 10:06:50,444 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-18 10:06:50,444 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-18 10:06:50,444 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-18 10:06:50,444 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-18 10:06:50,445 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-18 10:06:50,445 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-18 10:06:50,445 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-18 10:06:50,445 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-18 10:06:50,445 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,445 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,445 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,445 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,445 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,445 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-18 10:06:50,445 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-18 10:06:50,445 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-18 10:06:50,445 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-18 10:06:50,445 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-18 10:06:50,445 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-18 10:06:50,445 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 10:06:50,445 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-18 10:06:50,446 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-18 10:06:50,446 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,446 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,446 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,446 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,446 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,446 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,446 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-18 10:06:50,446 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,446 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-18 10:06:50,446 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-18 10:06:50,446 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-18 10:06:50,446 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 10:06:50,446 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-18 10:06:50,446 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 10:06:50,446 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-18 10:06:50,447 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-18 10:06:50,447 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-18 10:06:50,447 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-18 10:06:50,447 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-18 10:06:50,447 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-18 10:06:50,447 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-18 10:06:50,447 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,447 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,447 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,447 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,447 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,447 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-18 10:06:50,447 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-18 10:06:50,447 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 10:06:50,447 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-18 10:06:50,447 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 10:06:50,448 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 10:06:50,448 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-18 10:06:50,448 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2018-11-18 10:06:50,448 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-18 10:06:50,448 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,448 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,448 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,448 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,448 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,448 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-18 10:06:50,448 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-18 10:06:50,448 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-18 10:06:50,448 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-18 10:06:50,448 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-18 10:06:50,448 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-18 10:06:50,449 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-18 10:06:50,449 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 10:06:50,449 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 10:06:50,449 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-18 10:06:50,449 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse24 (= 1 |old(~a7~0)|)) (.cse34 (= 1 |old(~a20~0)|)) (.cse9 (= 1 ~a7~0)) (.cse33 (<= ~a21~0 |old(~a21~0)|)) (.cse32 (= |old(~a20~0)| ~a20~0)) (.cse0 (= ~a21~0 1)) (.cse28 (= ~a7~0 |old(~a7~0)|)) (.cse10 (= |old(~a8~0)| ~a8~0)) (.cse29 (= ~a17~0 |old(~a17~0)|)) (.cse30 (= ~a16~0 |old(~a16~0)|))) (let ((.cse22 (not (= 4 |old(~a16~0)|))) (.cse25 (and .cse32 .cse0 .cse28 .cse10 .cse29 .cse30)) (.cse3 (not (= 0 |old(~a7~0)|))) (.cse6 (not (= 15 |old(~a8~0)|))) (.cse19 (not (= 5 |old(~a16~0)|))) (.cse18 (not (= ~a16~0 6))) (.cse2 (= 6 |old(~a16~0)|)) (.cse20 (and .cse9 .cse10 .cse32 .cse29 .cse33 .cse30)) (.cse21 (< 0 |old(~a21~0)|)) (.cse17 (< 13 |old(~a8~0)|)) (.cse8 (not (= ~a16~0 0))) (.cse11 (= ~a17~0 1)) (.cse26 (< |old(~a8~0)| 15)) (.cse4 (not (= 1 |old(~a21~0)|))) (.cse5 (not .cse34)) (.cse12 (= 0 |old(~a16~0)|)) (.cse7 (not (= 8 ~a12~0))) (.cse31 (= ~a20~0 1)) (.cse1 (= |calculate_output_#in~input| 0)) (.cse14 (= 0 |old(~a8~0)|)) (.cse15 (not (= 1 |old(~a17~0)|))) (.cse27 (and .cse9 .cse10 .cse32 .cse29)) (.cse23 (= 13 |old(~a8~0)|)) (.cse13 (not .cse24)) (.cse16 (< 0 |old(~a17~0)|))) (and (or .cse0 .cse1 (or (not .cse2) .cse3 .cse4 .cse5 .cse6 (not (= 0 |old(~a17~0)|)) .cse7)) (or .cse4 (and .cse8 .cse9 .cse10 .cse11 .cse0) .cse12 .cse7 .cse13 .cse1 .cse14 .cse15) (or .cse2 .cse3 .cse4 .cse7 .cse16 .cse1 .cse5 .cse6 .cse0 .cse12) (or .cse2 .cse4 .cse17 (and .cse8 .cse11 .cse0) .cse12 .cse7 .cse1 .cse14 .cse15) (or .cse2 .cse4 .cse12 .cse7 .cse13 .cse1 .cse14 .cse18 .cse15) (or .cse3 .cse4 .cse0 .cse7 .cse16 .cse1 .cse6 .cse19) (or .cse17 .cse20 (< |old(~a20~0)| 1) .cse13 .cse16 .cse21) (or (= ~a16~0 4) (or .cse4 .cse5 .cse22 (not .cse23)) .cse7 .cse13 .cse1 .cse15) (or .cse4 .cse24 .cse25 .cse23 .cse12 .cse7 .cse1 .cse14 (< 0 |old(~a20~0)|) .cse15) (or .cse2 .cse18 .cse13 .cse26) (or .cse2 .cse23 .cse13 .cse27 .cse16) (or .cse4 .cse22 .cse23 .cse7 .cse1 .cse15 .cse24 .cse5 (and .cse0 .cse28 .cse10 .cse29 .cse30 .cse31) .cse14) (or .cse24 (and .cse32 .cse29 .cse33 .cse30) .cse22 .cse16) (or .cse24 .cse23 .cse16 (and .cse28 .cse10 .cse32 .cse29 .cse33 .cse30)) (or (and .cse33 .cse30) .cse2 .cse23 .cse16) (or .cse2 .cse4 .cse24 .cse25 .cse23 .cse12 .cse7 .cse1 .cse14 .cse34 .cse15) (or .cse3 .cse4 (and .cse0 .cse28 .cse10 .cse29 .cse31 (= ~a16~0 5)) .cse7 .cse1 .cse15 .cse5 .cse6 .cse19) (or .cse2 (= |old(~a7~0)| 1) .cse17 (and .cse28 .cse10 .cse18)) (or .cse2 .cse17 .cse20 .cse13 .cse21) (or .cse4 .cse17 .cse5 .cse12 .cse7 (and .cse28 .cse8 .cse10 .cse11 .cse0 .cse31) .cse1 .cse14 .cse15) (or .cse13 (and .cse9 .cse10) .cse26) (or .cse4 .cse5 .cse12 .cse7 .cse31 .cse13 .cse1 .cse14 .cse15) (or .cse27 (not (= |old(~a20~0)| 1)) .cse23 .cse13 .cse16)))) [2018-11-18 10:06:50,449 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-18 10:06:50,449 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,449 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,449 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,449 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,450 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-18 10:06:50,450 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,450 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,450 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-18 10:06:50,450 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-18 10:06:50,450 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-18 10:06:50,450 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-18 10:06:50,450 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-18 10:06:50,450 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 10:06:50,450 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-18 10:06:50,450 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-18 10:06:50,450 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-18 10:06:50,450 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-18 10:06:50,450 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-18 10:06:50,450 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-18 10:06:50,451 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,451 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,451 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,451 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,451 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,451 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-18 10:06:50,451 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,451 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-18 10:06:50,451 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-18 10:06:50,451 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-18 10:06:50,451 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-18 10:06:50,451 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 10:06:50,451 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-18 10:06:50,451 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 10:06:50,451 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-18 10:06:50,451 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-18 10:06:50,452 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-18 10:06:50,452 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-18 10:06:50,452 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-18 10:06:50,452 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-18 10:06:50,452 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-18 10:06:50,452 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,452 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,452 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,452 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,452 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,452 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 10:06:50,452 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-18 10:06:50,452 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-18 10:06:50,452 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-18 10:06:50,452 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-18 10:06:50,452 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-18 10:06:50,452 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-18 10:06:50,453 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-18 10:06:50,453 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-18 10:06:50,453 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-18 10:06:50,453 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-18 10:06:50,453 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:06:50,453 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-18 10:06:50,453 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:06:50,453 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:06:50,453 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (and (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-11-18 10:06:50,453 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-18 10:06:50,453 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse5 (= ~a20~0 1)) (.cse1 (= ~a16~0 4)) (.cse0 (not (= ~a7~0 1))) (.cse10 (not (= ~a16~0 6))) (.cse12 (<= ~a8~0 13)) (.cse3 (= 1 ~a7~0)) (.cse13 (<= ~a21~0 0)) (.cse2 (<= ~a17~0 0)) (.cse14 (= ~a7~0 |old(~a7~0)|)) (.cse4 (not (= ~a16~0 0))) (.cse6 (not (= main_~input~0 0))) (.cse7 (not (= ~a8~0 0))) (.cse8 (= ~a17~0 1)) (.cse9 (= ~a21~0 1)) (.cse11 (not (= ~a8~0 13)))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2) (and (<= ~a8~0 |old(~a8~0)|) .cse3 (<= 15 ~a8~0)) (and .cse4 (not .cse5) .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse4 .cse3 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse2 .cse11) (not (= 8 ~a12~0)) (and .cse12 .cse3 .cse13 .cse10) (and .cse12 .cse4 .cse6 .cse7 .cse8 .cse9 .cse5) (and (and .cse6 .cse7 .cse8 .cse9) .cse1) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (= |old(~a20~0)| ~a20~0) .cse2 .cse11) (and .cse0 .cse2 .cse11) (not (= 0 |old(~a7~0)|)) (and .cse12 .cse14 .cse10) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse12 .cse3 .cse13 .cse2 (<= 1 ~a20~0)) (and .cse6 (= ~a8~0 15) .cse9 .cse14 (= ~a17~0 |old(~a17~0)|) (= ~a16~0 5)) (and .cse4 .cse6 .cse7 .cse8 .cse9 .cse11 (<= ~a20~0 0)))) [2018-11-18 10:06:50,454 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-18 10:06:50,454 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-18 10:06:50,454 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-18 10:06:50,454 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse3 (= ~a16~0 4)) (.cse2 (not (= ~a7~0 1))) (.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse10 (not (= ~a16~0 6))) (.cse11 (not (= ~a8~0 13))) (.cse12 (not (= ~a16~0 0))) (.cse5 (not (= ~a8~0 0))) (.cse6 (= ~a17~0 1)) (.cse13 (= ~a20~0 1)) (.cse0 (= ~a21~0 1)) (.cse7 (<= ~a8~0 13)) (.cse8 (= 1 ~a7~0)) (.cse9 (<= ~a21~0 0)) (.cse4 (<= ~a17~0 0))) (or (not (= 1 |old(~a21~0)|)) (and (= ~a8~0 15) .cse0 .cse1 (= ~a17~0 |old(~a17~0)|) (= ~a16~0 5)) (and .cse2 .cse3 .cse4) (and (and .cse5 .cse6 .cse0) .cse3) (not (= 8 ~a12~0)) (and .cse7 .cse8 .cse9 .cse10) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse2 .cse4 .cse11) (and .cse7 .cse1 .cse10) (and .cse12 (not .cse13) .cse5 .cse6 .cse0 .cse10) (and .cse10 .cse4 .cse11) (and (<= ~a8~0 |old(~a8~0)|) .cse8 (<= 15 ~a8~0)) (and .cse12 .cse8 .cse5 .cse6 .cse0) (and (= |old(~a20~0)| ~a20~0) .cse4 .cse11) (not (= 0 |old(~a7~0)|)) (and .cse12 .cse5 .cse6 .cse0 (<= ~a20~0 0) .cse11) (and .cse7 .cse12 .cse5 .cse6 .cse13 .cse0) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse7 .cse8 .cse9 .cse4 (<= 1 ~a20~0)))) [2018-11-18 10:06:50,454 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-18 10:06:50,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:06:50 BoogieIcfgContainer [2018-11-18 10:06:50,466 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:06:50,467 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:06:50,467 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:06:50,467 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:06:50,467 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:06:18" (3/4) ... [2018-11-18 10:06:50,470 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:06:50,478 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:06:50,479 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 10:06:50,479 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:06:50,487 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 10:06:50,487 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 10:06:50,508 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((!(1 == \old(a21)) || ((((a8 == 15 && a21 == 1) && a7 == \old(a7)) && a17 == \old(a17)) && a16 == 5)) || ((!(a7 == 1) && a16 == 4) && a17 <= 0)) || (((!(a8 == 0) && a17 == 1) && a21 == 1) && a16 == 4)) || !(8 == a12)) || (((a8 <= 13 && 1 == a7) && a21 <= 0) && !(a16 == 6))) || !(1 == \old(a20))) || !(5 == \old(a16))) || ((!(a7 == 1) && a17 <= 0) && !(a8 == 13))) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((((!(a16 == 0) && !(a20 == 1)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && !(a16 == 6))) || ((!(a16 == 6) && a17 <= 0) && !(a8 == 13))) || ((a8 <= \old(a8) && 1 == a7) && 15 <= a8)) || ((((!(a16 == 0) && 1 == a7) && !(a8 == 0)) && a17 == 1) && a21 == 1)) || ((\old(a20) == a20 && a17 <= 0) && !(a8 == 13))) || !(0 == \old(a7))) || (((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 <= 0) && !(a8 == 13))) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a17 == 1) && a20 == 1) && a21 == 1)) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((((a8 <= 13 && 1 == a7) && a21 <= 0) && a17 <= 0) && 1 <= a20) [2018-11-18 10:06:50,569 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3ad13d2c-a6ca-4ef6-a9fb-caedb0277485/bin-2019/utaipan/witness.graphml [2018-11-18 10:06:50,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:06:50,569 INFO L168 Benchmark]: Toolchain (without parser) took 33812.00 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.8 GB). Free memory was 955.5 MB in the beginning and 1.6 GB in the end (delta: -595.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 10:06:50,570 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:06:50,570 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.09 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 917.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:06:50,570 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 917.9 MB in the beginning and 1.1 GB in the end (delta: -214.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:06:50,571 INFO L168 Benchmark]: Boogie Preprocessor took 51.46 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:06:50,571 INFO L168 Benchmark]: RCFGBuilder took 952.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:06:50,571 INFO L168 Benchmark]: TraceAbstraction took 32293.32 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -525.3 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-11-18 10:06:50,571 INFO L168 Benchmark]: Witness Printer took 102.26 ms. Allocated memory is still 2.9 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 46.2 kB). Peak memory consumption was 46.2 kB. Max. memory is 11.5 GB. [2018-11-18 10:06:50,577 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.09 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 917.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 917.9 MB in the beginning and 1.1 GB in the end (delta: -214.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.46 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 952.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 32293.32 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -525.3 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. * Witness Printer took 102.26 ms. Allocated memory is still 2.9 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 46.2 kB). Peak memory consumption was 46.2 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 506]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((!(1 == \old(a21)) || ((((a8 == 15 && a21 == 1) && a7 == \old(a7)) && a17 == \old(a17)) && a16 == 5)) || ((!(a7 == 1) && a16 == 4) && a17 <= 0)) || (((!(a8 == 0) && a17 == 1) && a21 == 1) && a16 == 4)) || !(8 == a12)) || (((a8 <= 13 && 1 == a7) && a21 <= 0) && !(a16 == 6))) || !(1 == \old(a20))) || !(5 == \old(a16))) || ((!(a7 == 1) && a17 <= 0) && !(a8 == 13))) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((((!(a16 == 0) && !(a20 == 1)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && !(a16 == 6))) || ((!(a16 == 6) && a17 <= 0) && !(a8 == 13))) || ((a8 <= \old(a8) && 1 == a7) && 15 <= a8)) || ((((!(a16 == 0) && 1 == a7) && !(a8 == 0)) && a17 == 1) && a21 == 1)) || ((\old(a20) == a20 && a17 <= 0) && !(a8 == 13))) || !(0 == \old(a7))) || (((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 <= 0) && !(a8 == 13))) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a17 == 1) && a20 == 1) && a21 == 1)) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((((a8 <= 13 && 1 == a7) && a21 <= 0) && a17 <= 0) && 1 <= a20) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 32.2s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 21.3s AutomataDifference, 0.0s DeadEndRemovalTime, 3.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1458 SDtfs, 14666 SDslu, 3237 SDs, 0 SdLazy, 19084 SolverSat, 3506 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.4s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 2905 GetRequests, 2675 SyntacticMatches, 9 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1594 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13370occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.3s AbstIntTime, 9 AbstIntIterations, 5 AbstIntStrong, 0.9966706437358138 AbsIntWeakeningRatio, 0.23237885462555066 AbsIntAvgWeakeningVarsNumRemoved, 27.980176211453745 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 775 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 752 PreInvPairs, 1480 NumberOfFragments, 1402 HoareAnnotationTreeSize, 752 FomulaSimplifications, 52749 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13132 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2891 NumberOfCodeBlocks, 2891 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3739 ConstructedInterpolants, 0 QuantifiedInterpolants, 1380091 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2507 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 19 InterpolantComputations, 2 PerfectInterpolantSequences, 2704/3029 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...