./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label12_true-unreach-call.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_07fad9f9-1ff8-4102-920a-3016f2b8ed29/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label12_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/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 95b059e8d84b7a6b2ea49ab2be6a4d2687ed1176 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:50:33,011 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:50:33,012 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:50:33,019 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:50:33,020 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:50:33,020 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:50:33,021 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:50:33,022 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:50:33,023 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:50:33,024 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:50:33,024 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:50:33,024 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:50:33,025 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:50:33,026 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:50:33,026 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:50:33,027 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:50:33,028 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:50:33,029 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:50:33,030 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:50:33,031 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:50:33,032 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:50:33,033 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:50:33,034 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:50:33,035 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:50:33,035 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:50:33,036 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:50:33,036 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:50:33,037 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:50:33,037 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:50:33,038 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:50:33,038 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:50:33,039 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:50:33,039 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:50:33,039 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:50:33,040 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:50:33,040 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:50:33,040 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:50:33,051 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:50:33,051 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:50:33,051 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:50:33,051 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:50:33,051 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:50:33,052 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:50:33,052 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:50:33,052 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:50:33,052 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:50:33,052 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:50:33,052 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:50:33,052 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:50:33,052 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:50:33,053 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:50:33,053 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:50:33,053 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:50:33,053 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:50:33,053 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:50:33,053 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:50:33,053 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:50:33,053 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:50:33,054 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:50:33,054 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:50:33,054 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:50:33,054 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:50:33,054 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:50:33,054 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:50:33,054 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:50:33,054 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:50:33,054 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:50:33,055 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:50:33,055 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:50:33,055 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:50:33,055 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:50:33,055 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:50:33,055 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:50:33,055 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:50:33,055 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_07fad9f9-1ff8-4102-920a-3016f2b8ed29/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 -> 95b059e8d84b7a6b2ea49ab2be6a4d2687ed1176 [2018-11-18 17:50:33,076 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:50:33,084 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:50:33,086 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:50:33,087 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:50:33,087 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:50:33,088 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem11_label12_true-unreach-call.c [2018-11-18 17:50:33,123 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/bin-2019/utaipan/data/73b9e0b71/c16967ad918c486991859ae4728a6c15/FLAG9f99e08f1 [2018-11-18 17:50:33,604 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:50:33,604 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/sv-benchmarks/c/eca-rers2012/Problem11_label12_true-unreach-call.c [2018-11-18 17:50:33,615 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/bin-2019/utaipan/data/73b9e0b71/c16967ad918c486991859ae4728a6c15/FLAG9f99e08f1 [2018-11-18 17:50:34,105 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/bin-2019/utaipan/data/73b9e0b71/c16967ad918c486991859ae4728a6c15 [2018-11-18 17:50:34,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:50:34,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:50:34,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:50:34,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:50:34,110 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:50:34,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:50:34" (1/1) ... [2018-11-18 17:50:34,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@88e9939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:50:34, skipping insertion in model container [2018-11-18 17:50:34,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:50:34" (1/1) ... [2018-11-18 17:50:34,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:50:34,161 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:50:34,475 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:50:34,478 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:50:34,579 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:50:34,588 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:50:34,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:50:34 WrapperNode [2018-11-18 17:50:34,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:50:34,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:50:34,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:50:34,589 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:50:34,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:50:34" (1/1) ... [2018-11-18 17:50:34,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:50:34" (1/1) ... [2018-11-18 17:50:34,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:50:34,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:50:34,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:50:34,690 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:50:34,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:50:34" (1/1) ... [2018-11-18 17:50:34,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:50:34" (1/1) ... [2018-11-18 17:50:34,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:50:34" (1/1) ... [2018-11-18 17:50:34,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:50:34" (1/1) ... [2018-11-18 17:50:34,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:50:34" (1/1) ... [2018-11-18 17:50:34,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:50:34" (1/1) ... [2018-11-18 17:50:34,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:50:34" (1/1) ... [2018-11-18 17:50:34,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:50:34,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:50:34,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:50:34,748 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:50:34,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:50:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/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 17:50:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 17:50:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:50:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:50:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 17:50:34,797 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 17:50:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:50:34,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:50:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:50:34,797 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:50:35,814 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:50:35,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:50:35 BoogieIcfgContainer [2018-11-18 17:50:35,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:50:35,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:50:35,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:50:35,818 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:50:35,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:50:34" (1/3) ... [2018-11-18 17:50:35,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a48c2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:50:35, skipping insertion in model container [2018-11-18 17:50:35,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:50:34" (2/3) ... [2018-11-18 17:50:35,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a48c2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:50:35, skipping insertion in model container [2018-11-18 17:50:35,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:50:35" (3/3) ... [2018-11-18 17:50:35,821 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label12_true-unreach-call.c [2018-11-18 17:50:35,827 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:50:35,833 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:50:35,843 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:50:35,868 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:50:35,868 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:50:35,868 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:50:35,868 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:50:35,868 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:50:35,869 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:50:35,869 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:50:35,869 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:50:35,890 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-11-18 17:50:35,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 17:50:35,895 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:50:35,896 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] [2018-11-18 17:50:35,897 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:50:35,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:50:35,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1691247764, now seen corresponding path program 1 times [2018-11-18 17:50:35,903 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:50:35,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:50:35,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:50:35,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:50:35,935 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:50:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:36,106 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 17:50:36,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:50:36,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:50:36,108 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:50:36,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:50:36,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:50:36,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:50:36,122 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2018-11-18 17:50:36,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:50:36,911 INFO L93 Difference]: Finished difference Result 790 states and 1382 transitions. [2018-11-18 17:50:36,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:50:36,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-11-18 17:50:36,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:50:36,925 INFO L225 Difference]: With dead ends: 790 [2018-11-18 17:50:36,925 INFO L226 Difference]: Without dead ends: 495 [2018-11-18 17:50:36,931 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 17:50:36,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-11-18 17:50:36,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 488. [2018-11-18 17:50:36,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2018-11-18 17:50:36,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 849 transitions. [2018-11-18 17:50:36,987 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 849 transitions. Word has length 32 [2018-11-18 17:50:36,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:50:36,988 INFO L480 AbstractCegarLoop]: Abstraction has 488 states and 849 transitions. [2018-11-18 17:50:36,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:50:36,988 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 849 transitions. [2018-11-18 17:50:36,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 17:50:36,992 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:50:36,992 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:50:36,992 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:50:36,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:50:36,993 INFO L82 PathProgramCache]: Analyzing trace with hash -904835348, now seen corresponding path program 1 times [2018-11-18 17:50:36,993 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:50:36,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:50:36,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:50:36,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:50:36,994 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:50:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:37,147 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:50:37,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:50:37,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:50:37,148 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:50:37,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 17:50:37,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:50:37,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:50:37,150 INFO L87 Difference]: Start difference. First operand 488 states and 849 transitions. Second operand 5 states. [2018-11-18 17:50:38,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:50:38,534 INFO L93 Difference]: Finished difference Result 1731 states and 3162 transitions. [2018-11-18 17:50:38,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:50:38,534 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2018-11-18 17:50:38,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:50:38,540 INFO L225 Difference]: With dead ends: 1731 [2018-11-18 17:50:38,541 INFO L226 Difference]: Without dead ends: 1249 [2018-11-18 17:50:38,545 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 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 17:50:38,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2018-11-18 17:50:38,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1032. [2018-11-18 17:50:38,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2018-11-18 17:50:38,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1658 transitions. [2018-11-18 17:50:38,582 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1658 transitions. Word has length 108 [2018-11-18 17:50:38,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:50:38,582 INFO L480 AbstractCegarLoop]: Abstraction has 1032 states and 1658 transitions. [2018-11-18 17:50:38,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 17:50:38,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1658 transitions. [2018-11-18 17:50:38,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 17:50:38,585 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:50:38,586 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:50:38,586 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:50:38,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:50:38,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1745515455, now seen corresponding path program 1 times [2018-11-18 17:50:38,586 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:50:38,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:50:38,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:50:38,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:50:38,587 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:50:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:38,683 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:50:38,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:50:38,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:50:38,683 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:50:38,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 17:50:38,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:50:38,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:50:38,684 INFO L87 Difference]: Start difference. First operand 1032 states and 1658 transitions. Second operand 5 states. [2018-11-18 17:50:40,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:50:40,207 INFO L93 Difference]: Finished difference Result 3651 states and 6065 transitions. [2018-11-18 17:50:40,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:50:40,210 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2018-11-18 17:50:40,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:50:40,218 INFO L225 Difference]: With dead ends: 3651 [2018-11-18 17:50:40,218 INFO L226 Difference]: Without dead ends: 2625 [2018-11-18 17:50:40,222 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 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 17:50:40,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2625 states. [2018-11-18 17:50:40,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2625 to 2592. [2018-11-18 17:50:40,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2592 states. [2018-11-18 17:50:40,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 2592 states and 3711 transitions. [2018-11-18 17:50:40,263 INFO L78 Accepts]: Start accepts. Automaton has 2592 states and 3711 transitions. Word has length 119 [2018-11-18 17:50:40,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:50:40,263 INFO L480 AbstractCegarLoop]: Abstraction has 2592 states and 3711 transitions. [2018-11-18 17:50:40,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 17:50:40,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2592 states and 3711 transitions. [2018-11-18 17:50:40,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 17:50:40,267 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:50:40,267 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:50:40,267 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:50:40,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:50:40,267 INFO L82 PathProgramCache]: Analyzing trace with hash -691970105, now seen corresponding path program 1 times [2018-11-18 17:50:40,267 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:50:40,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:50:40,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:50:40,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:50:40,268 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:50:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:40,420 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:50:40,420 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:50:40,420 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:50:40,421 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2018-11-18 17:50:40,422 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [157], [159], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 17:50:40,452 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:50:40,452 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:50:41,046 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:50:41,047 INFO L272 AbstractInterpreter]: Visited 140 different actions 406 times. Merged at 5 different actions 9 times. Never widened. Performed 5617 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5617 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-18 17:50:41,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:50:41,059 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:50:41,059 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:50:41,059 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/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 17:50:41,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:50:41,080 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:50:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:41,128 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:50:41,179 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:50:41,179 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:50:41,226 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:50:41,242 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:50:41,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-18 17:50:41,243 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:50:41,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:50:41,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:50:41,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:50:41,243 INFO L87 Difference]: Start difference. First operand 2592 states and 3711 transitions. Second operand 3 states. [2018-11-18 17:50:42,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:50:42,011 INFO L93 Difference]: Finished difference Result 5974 states and 8797 transitions. [2018-11-18 17:50:42,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:50:42,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2018-11-18 17:50:42,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:50:42,022 INFO L225 Difference]: With dead ends: 5974 [2018-11-18 17:50:42,022 INFO L226 Difference]: Without dead ends: 3388 [2018-11-18 17:50:42,028 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 328 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:50:42,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3388 states. [2018-11-18 17:50:42,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3388 to 3192. [2018-11-18 17:50:42,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3192 states. [2018-11-18 17:50:42,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 3192 states and 4542 transitions. [2018-11-18 17:50:42,078 INFO L78 Accepts]: Start accepts. Automaton has 3192 states and 4542 transitions. Word has length 164 [2018-11-18 17:50:42,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:50:42,079 INFO L480 AbstractCegarLoop]: Abstraction has 3192 states and 4542 transitions. [2018-11-18 17:50:42,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:50:42,079 INFO L276 IsEmpty]: Start isEmpty. Operand 3192 states and 4542 transitions. [2018-11-18 17:50:42,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 17:50:42,081 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:50:42,081 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 17:50:42,082 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:50:42,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:50:42,082 INFO L82 PathProgramCache]: Analyzing trace with hash 3845995, now seen corresponding path program 1 times [2018-11-18 17:50:42,082 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:50:42,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:50:42,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:50:42,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:50:42,083 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:50:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:42,192 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 50 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 17:50:42,192 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:50:42,192 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:50:42,192 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 190 with the following transitions: [2018-11-18 17:50:42,193 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [157], [159], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 17:50:42,196 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:50:42,196 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:50:42,326 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:50:42,326 INFO L272 AbstractInterpreter]: Visited 89 different actions 89 times. Never merged. Never widened. Performed 978 root evaluator evaluations with a maximum evaluation depth of 14. Performed 978 inverse root evaluator evaluations with a maximum inverse evaluation depth of 14. Never found a fixpoint. Largest state had 28 variables. [2018-11-18 17:50:42,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:50:42,334 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:50:42,639 INFO L227 lantSequenceWeakener]: Weakened 180 states. On average, predicates are now at 73.26% of their original sizes. [2018-11-18 17:50:42,640 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:50:42,673 INFO L415 sIntCurrentIteration]: We unified 188 AI predicates to 188 [2018-11-18 17:50:42,673 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:50:42,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:50:42,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 17:50:42,674 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:50:42,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:50:42,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:50:42,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:50:42,675 INFO L87 Difference]: Start difference. First operand 3192 states and 4542 transitions. Second operand 6 states. [2018-11-18 17:51:13,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:51:13,735 INFO L93 Difference]: Finished difference Result 6570 states and 9298 transitions. [2018-11-18 17:51:13,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:51:13,735 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 189 [2018-11-18 17:51:13,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:51:13,746 INFO L225 Difference]: With dead ends: 6570 [2018-11-18 17:51:13,747 INFO L226 Difference]: Without dead ends: 3384 [2018-11-18 17:51:13,753 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 189 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:51:13,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3384 states. [2018-11-18 17:51:13,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3384 to 3382. [2018-11-18 17:51:13,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3382 states. [2018-11-18 17:51:13,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3382 states to 3382 states and 4741 transitions. [2018-11-18 17:51:13,812 INFO L78 Accepts]: Start accepts. Automaton has 3382 states and 4741 transitions. Word has length 189 [2018-11-18 17:51:13,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:51:13,812 INFO L480 AbstractCegarLoop]: Abstraction has 3382 states and 4741 transitions. [2018-11-18 17:51:13,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:51:13,812 INFO L276 IsEmpty]: Start isEmpty. Operand 3382 states and 4741 transitions. [2018-11-18 17:51:13,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-11-18 17:51:13,817 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:51:13,817 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 17:51:13,817 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:51:13,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:51:13,817 INFO L82 PathProgramCache]: Analyzing trace with hash -675260711, now seen corresponding path program 1 times [2018-11-18 17:51:13,818 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:51:13,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:51:13,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:51:13,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:51:13,818 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:51:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:51:14,082 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 55 proven. 98 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:51:14,082 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:51:14,082 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:51:14,083 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 270 with the following transitions: [2018-11-18 17:51:14,083 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [157], [159], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [641], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 17:51:14,087 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:51:14,088 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:51:14,375 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:51:14,375 INFO L272 AbstractInterpreter]: Visited 141 different actions 421 times. Merged at 7 different actions 21 times. Never widened. Performed 5786 root evaluator evaluations with a maximum evaluation depth of 15. Performed 5786 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 17:51:14,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:51:14,378 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:51:14,378 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:51:14,378 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/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 17:51:14,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:51:14,384 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:51:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:51:14,438 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:51:14,492 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-11-18 17:51:14,492 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:51:14,812 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 55 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:51:14,828 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:51:14,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2018-11-18 17:51:14,829 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:51:14,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:51:14,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:51:14,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2018-11-18 17:51:14,830 INFO L87 Difference]: Start difference. First operand 3382 states and 4741 transitions. Second operand 9 states. [2018-11-18 17:51:16,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:51:16,927 INFO L93 Difference]: Finished difference Result 12940 states and 19873 transitions. [2018-11-18 17:51:16,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 17:51:16,927 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 269 [2018-11-18 17:51:16,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:51:16,965 INFO L225 Difference]: With dead ends: 12940 [2018-11-18 17:51:16,966 INFO L226 Difference]: Without dead ends: 9754 [2018-11-18 17:51:16,986 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 534 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=492, Unknown=0, NotChecked=0, Total=702 [2018-11-18 17:51:16,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9754 states. [2018-11-18 17:51:17,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9754 to 9530. [2018-11-18 17:51:17,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9530 states. [2018-11-18 17:51:17,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9530 states to 9530 states and 13362 transitions. [2018-11-18 17:51:17,190 INFO L78 Accepts]: Start accepts. Automaton has 9530 states and 13362 transitions. Word has length 269 [2018-11-18 17:51:17,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:51:17,191 INFO L480 AbstractCegarLoop]: Abstraction has 9530 states and 13362 transitions. [2018-11-18 17:51:17,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:51:17,191 INFO L276 IsEmpty]: Start isEmpty. Operand 9530 states and 13362 transitions. [2018-11-18 17:51:17,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-11-18 17:51:17,200 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:51:17,200 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:51:17,200 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:51:17,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:51:17,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1695218910, now seen corresponding path program 1 times [2018-11-18 17:51:17,201 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:51:17,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:51:17,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:51:17,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:51:17,201 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:51:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:51:17,350 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 151 proven. 72 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-18 17:51:17,350 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:51:17,350 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:51:17,350 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 307 with the following transitions: [2018-11-18 17:51:17,351 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [157], [159], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 17:51:17,353 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:51:17,354 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:51:17,545 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:51:17,545 INFO L272 AbstractInterpreter]: Visited 126 different actions 246 times. Merged at 5 different actions 5 times. Never widened. Performed 3133 root evaluator evaluations with a maximum evaluation depth of 16. Performed 3133 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-18 17:51:17,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:51:17,550 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:51:17,858 INFO L227 lantSequenceWeakener]: Weakened 303 states. On average, predicates are now at 75.13% of their original sizes. [2018-11-18 17:51:17,859 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:51:17,937 INFO L415 sIntCurrentIteration]: We unified 305 AI predicates to 305 [2018-11-18 17:51:17,937 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:51:17,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:51:17,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 17:51:17,938 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:51:17,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:51:17,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:51:17,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:51:17,939 INFO L87 Difference]: Start difference. First operand 9530 states and 13362 transitions. Second operand 10 states. [2018-11-18 17:52:22,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:52:22,345 INFO L93 Difference]: Finished difference Result 19066 states and 26863 transitions. [2018-11-18 17:52:22,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 17:52:22,345 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 306 [2018-11-18 17:52:22,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:52:22,374 INFO L225 Difference]: With dead ends: 19066 [2018-11-18 17:52:22,374 INFO L226 Difference]: Without dead ends: 9922 [2018-11-18 17:52:22,396 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 314 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-18 17:52:22,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9922 states. [2018-11-18 17:52:22,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9922 to 9915. [2018-11-18 17:52:22,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9915 states. [2018-11-18 17:52:22,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9915 states to 9915 states and 13845 transitions. [2018-11-18 17:52:22,569 INFO L78 Accepts]: Start accepts. Automaton has 9915 states and 13845 transitions. Word has length 306 [2018-11-18 17:52:22,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:52:22,569 INFO L480 AbstractCegarLoop]: Abstraction has 9915 states and 13845 transitions. [2018-11-18 17:52:22,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:52:22,569 INFO L276 IsEmpty]: Start isEmpty. Operand 9915 states and 13845 transitions. [2018-11-18 17:52:22,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 17:52:22,579 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:52:22,580 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:22,580 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:52:22,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:22,580 INFO L82 PathProgramCache]: Analyzing trace with hash 155638185, now seen corresponding path program 1 times [2018-11-18 17:52:22,580 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:52:22,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:22,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:22,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:22,581 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:52:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:22,761 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 17:52:22,762 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:52:22,762 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:52:22,762 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 308 with the following transitions: [2018-11-18 17:52:22,762 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [157], [159], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 17:52:22,764 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:52:22,764 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:52:23,165 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:52:23,165 INFO L272 AbstractInterpreter]: Visited 127 different actions 372 times. Merged at 7 different actions 15 times. Never widened. Performed 4914 root evaluator evaluations with a maximum evaluation depth of 18. Performed 4914 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 17:52:23,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:23,166 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:52:23,166 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:52:23,166 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/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 17:52:23,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:23,174 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:52:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:23,230 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:52:23,287 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 17:52:23,288 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:52:23,394 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 17:52:23,410 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:52:23,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-18 17:52:23,410 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:52:23,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:52:23,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:52:23,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:52:23,411 INFO L87 Difference]: Start difference. First operand 9915 states and 13845 transitions. Second operand 7 states. [2018-11-18 17:52:24,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:52:24,202 INFO L93 Difference]: Finished difference Result 18255 states and 26271 transitions. [2018-11-18 17:52:24,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:52:24,203 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 307 [2018-11-18 17:52:24,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:52:24,222 INFO L225 Difference]: With dead ends: 18255 [2018-11-18 17:52:24,222 INFO L226 Difference]: Without dead ends: 9111 [2018-11-18 17:52:24,235 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 623 GetRequests, 614 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:52:24,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9111 states. [2018-11-18 17:52:24,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9111 to 8692. [2018-11-18 17:52:24,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8692 states. [2018-11-18 17:52:24,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8692 states to 8692 states and 11128 transitions. [2018-11-18 17:52:24,334 INFO L78 Accepts]: Start accepts. Automaton has 8692 states and 11128 transitions. Word has length 307 [2018-11-18 17:52:24,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:52:24,334 INFO L480 AbstractCegarLoop]: Abstraction has 8692 states and 11128 transitions. [2018-11-18 17:52:24,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:52:24,334 INFO L276 IsEmpty]: Start isEmpty. Operand 8692 states and 11128 transitions. [2018-11-18 17:52:24,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-11-18 17:52:24,342 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:52:24,342 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:24,342 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:52:24,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:24,343 INFO L82 PathProgramCache]: Analyzing trace with hash -737701407, now seen corresponding path program 1 times [2018-11-18 17:52:24,343 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:52:24,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:24,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:24,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:24,344 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:52:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:24,466 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-11-18 17:52:24,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:52:24,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 17:52:24,466 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:52:24,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 17:52:24,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 17:52:24,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:52:24,467 INFO L87 Difference]: Start difference. First operand 8692 states and 11128 transitions. Second operand 4 states. [2018-11-18 17:52:25,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:52:25,393 INFO L93 Difference]: Finished difference Result 19711 states and 26638 transitions. [2018-11-18 17:52:25,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:52:25,393 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 311 [2018-11-18 17:52:25,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:52:25,419 INFO L225 Difference]: With dead ends: 19711 [2018-11-18 17:52:25,419 INFO L226 Difference]: Without dead ends: 11985 [2018-11-18 17:52:25,441 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:52:25,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11985 states. [2018-11-18 17:52:25,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11985 to 11215. [2018-11-18 17:52:25,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11215 states. [2018-11-18 17:52:25,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11215 states to 11215 states and 14535 transitions. [2018-11-18 17:52:25,602 INFO L78 Accepts]: Start accepts. Automaton has 11215 states and 14535 transitions. Word has length 311 [2018-11-18 17:52:25,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:52:25,603 INFO L480 AbstractCegarLoop]: Abstraction has 11215 states and 14535 transitions. [2018-11-18 17:52:25,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 17:52:25,603 INFO L276 IsEmpty]: Start isEmpty. Operand 11215 states and 14535 transitions. [2018-11-18 17:52:25,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-11-18 17:52:25,611 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:52:25,611 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:52:25,611 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:52:25,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:25,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1526248372, now seen corresponding path program 1 times [2018-11-18 17:52:25,611 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:52:25,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:25,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:25,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:25,612 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:52:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:25,770 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 178 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:25,770 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:52:25,770 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:52:25,771 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 313 with the following transitions: [2018-11-18 17:52:25,771 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [157], [159], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [854], [857], [861], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 17:52:25,773 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:52:25,773 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:52:25,939 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:52:25,939 INFO L272 AbstractInterpreter]: Visited 157 different actions 457 times. Merged at 5 different actions 9 times. Never widened. Performed 6430 root evaluator evaluations with a maximum evaluation depth of 9. Performed 6430 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-18 17:52:25,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:25,946 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:52:25,946 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:52:25,946 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/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 17:52:25,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:25,959 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:52:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:26,015 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:52:26,088 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-11-18 17:52:26,088 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:52:26,158 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-11-18 17:52:26,186 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:52:26,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-11-18 17:52:26,187 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:52:26,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:52:26,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:52:26,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:52:26,188 INFO L87 Difference]: Start difference. First operand 11215 states and 14535 transitions. Second operand 3 states. [2018-11-18 17:52:26,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:52:26,808 INFO L93 Difference]: Finished difference Result 26984 states and 35969 transitions. [2018-11-18 17:52:26,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:52:26,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 312 [2018-11-18 17:52:26,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:52:26,840 INFO L225 Difference]: With dead ends: 26984 [2018-11-18 17:52:26,840 INFO L226 Difference]: Without dead ends: 16349 [2018-11-18 17:52:26,862 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 623 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:52:26,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16349 states. [2018-11-18 17:52:27,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16349 to 16316. [2018-11-18 17:52:27,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16316 states. [2018-11-18 17:52:27,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16316 states to 16316 states and 20743 transitions. [2018-11-18 17:52:27,031 INFO L78 Accepts]: Start accepts. Automaton has 16316 states and 20743 transitions. Word has length 312 [2018-11-18 17:52:27,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:52:27,031 INFO L480 AbstractCegarLoop]: Abstraction has 16316 states and 20743 transitions. [2018-11-18 17:52:27,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:52:27,031 INFO L276 IsEmpty]: Start isEmpty. Operand 16316 states and 20743 transitions. [2018-11-18 17:52:27,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-11-18 17:52:27,041 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:52:27,041 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:52:27,042 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:52:27,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:27,042 INFO L82 PathProgramCache]: Analyzing trace with hash 460714698, now seen corresponding path program 1 times [2018-11-18 17:52:27,042 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:52:27,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:27,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:27,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:27,043 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:52:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:27,195 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 81 proven. 188 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 17:52:27,195 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:52:27,195 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:52:27,196 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 342 with the following transitions: [2018-11-18 17:52:27,196 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [157], [159], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [641], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 17:52:27,197 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:52:27,198 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:52:27,599 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:52:27,600 INFO L272 AbstractInterpreter]: Visited 127 different actions 505 times. Merged at 8 different actions 32 times. Widened at 1 different actions 1 times. Performed 6814 root evaluator evaluations with a maximum evaluation depth of 16. Performed 6814 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 6 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 17:52:27,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:27,603 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:52:27,603 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:52:27,603 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:52:27,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:27,609 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:52:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:27,665 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:52:27,732 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 268 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 17:52:27,732 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:52:27,936 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 268 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 17:52:27,952 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:52:27,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2018-11-18 17:52:27,952 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:52:27,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:52:27,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:52:27,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2018-11-18 17:52:27,953 INFO L87 Difference]: Start difference. First operand 16316 states and 20743 transitions. Second operand 10 states. [2018-11-18 17:52:33,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:52:33,095 INFO L93 Difference]: Finished difference Result 58047 states and 80017 transitions. [2018-11-18 17:52:33,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-11-18 17:52:33,095 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 341 [2018-11-18 17:52:33,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:52:33,199 INFO L225 Difference]: With dead ends: 58047 [2018-11-18 17:52:33,200 INFO L226 Difference]: Without dead ends: 42115 [2018-11-18 17:52:33,252 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 808 GetRequests, 736 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1828 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=766, Invalid=4636, Unknown=0, NotChecked=0, Total=5402 [2018-11-18 17:52:33,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42115 states. [2018-11-18 17:52:33,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42115 to 40553. [2018-11-18 17:52:33,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40553 states. [2018-11-18 17:52:33,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40553 states to 40553 states and 52173 transitions. [2018-11-18 17:52:33,728 INFO L78 Accepts]: Start accepts. Automaton has 40553 states and 52173 transitions. Word has length 341 [2018-11-18 17:52:33,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:52:33,729 INFO L480 AbstractCegarLoop]: Abstraction has 40553 states and 52173 transitions. [2018-11-18 17:52:33,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:52:33,729 INFO L276 IsEmpty]: Start isEmpty. Operand 40553 states and 52173 transitions. [2018-11-18 17:52:33,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-11-18 17:52:33,755 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:52:33,756 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 17:52:33,756 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:52:33,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:33,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1450603111, now seen corresponding path program 1 times [2018-11-18 17:52:33,756 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:52:33,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:33,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:33,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:33,757 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:52:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:33,915 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 81 proven. 206 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-11-18 17:52:33,915 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:52:33,915 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:52:33,916 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 378 with the following transitions: [2018-11-18 17:52:33,916 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [157], [159], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [641], [642], [646], [650], [653], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 17:52:33,918 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:52:33,918 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:52:34,183 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:52:34,183 INFO L272 AbstractInterpreter]: Visited 142 different actions 564 times. Merged at 8 different actions 30 times. Never widened. Performed 7920 root evaluator evaluations with a maximum evaluation depth of 15. Performed 7920 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 7 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 17:52:34,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:34,187 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:52:34,187 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:52:34,187 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:52:34,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:34,193 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:52:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:34,246 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:52:36,972 WARN L180 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 13 [2018-11-18 17:52:37,056 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 260 proven. 107 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 17:52:37,056 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:52:37,192 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 186 proven. 104 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-18 17:52:37,207 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:52:37,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 5] total 12 [2018-11-18 17:52:37,208 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:52:37,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:52:37,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:52:37,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=96, Unknown=2, NotChecked=0, Total=132 [2018-11-18 17:52:37,208 INFO L87 Difference]: Start difference. First operand 40553 states and 52173 transitions. Second operand 10 states. [2018-11-18 17:53:57,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:53:57,828 INFO L93 Difference]: Finished difference Result 104447 states and 151676 transitions. [2018-11-18 17:53:57,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-18 17:53:57,829 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 377 [2018-11-18 17:53:57,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:53:58,056 INFO L225 Difference]: With dead ends: 104447 [2018-11-18 17:53:58,056 INFO L226 Difference]: Without dead ends: 64280 [2018-11-18 17:53:58,159 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 798 GetRequests, 766 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=221, Invalid=635, Unknown=14, NotChecked=0, Total=870 [2018-11-18 17:53:58,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64280 states. [2018-11-18 17:53:58,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64280 to 62061. [2018-11-18 17:53:58,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62061 states. [2018-11-18 17:53:59,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62061 states to 62061 states and 82882 transitions. [2018-11-18 17:53:59,070 INFO L78 Accepts]: Start accepts. Automaton has 62061 states and 82882 transitions. Word has length 377 [2018-11-18 17:53:59,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:53:59,071 INFO L480 AbstractCegarLoop]: Abstraction has 62061 states and 82882 transitions. [2018-11-18 17:53:59,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:53:59,071 INFO L276 IsEmpty]: Start isEmpty. Operand 62061 states and 82882 transitions. [2018-11-18 17:53:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2018-11-18 17:53:59,172 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:53:59,173 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 17:53:59,173 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:53:59,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:53:59,173 INFO L82 PathProgramCache]: Analyzing trace with hash 2141386509, now seen corresponding path program 1 times [2018-11-18 17:53:59,173 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:53:59,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:53:59,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:53:59,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:53:59,174 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:53:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:53:59,358 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 373 proven. 23 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-11-18 17:53:59,358 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:53:59,358 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:53:59,358 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 482 with the following transitions: [2018-11-18 17:53:59,358 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [157], [159], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [641], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [784], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 17:53:59,360 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:53:59,360 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:54:01,971 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:54:01,971 INFO L272 AbstractInterpreter]: Visited 145 different actions 445 times. Merged at 9 different actions 33 times. Widened at 1 different actions 1 times. Performed 6119 root evaluator evaluations with a maximum evaluation depth of 22. Performed 6119 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 7 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 17:54:01,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:01,974 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:54:01,974 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:54:01,974 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:54:01,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:54:01,982 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:54:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:02,049 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:54:02,144 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 575 proven. 2 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-18 17:54:02,145 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:54:02,364 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 321 proven. 104 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2018-11-18 17:54:02,379 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:54:02,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2018-11-18 17:54:02,380 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:54:02,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:54:02,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:54:02,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-11-18 17:54:02,381 INFO L87 Difference]: Start difference. First operand 62061 states and 82882 transitions. Second operand 10 states. [2018-11-18 17:54:11,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:54:11,369 INFO L93 Difference]: Finished difference Result 170255 states and 280331 transitions. [2018-11-18 17:54:11,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-11-18 17:54:11,369 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 481 [2018-11-18 17:54:11,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:54:11,910 INFO L225 Difference]: With dead ends: 170255 [2018-11-18 17:54:11,910 INFO L226 Difference]: Without dead ends: 108582 [2018-11-18 17:54:12,244 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1092 GetRequests, 1016 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2006 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=968, Invalid=4884, Unknown=0, NotChecked=0, Total=5852 [2018-11-18 17:54:12,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108582 states. [2018-11-18 17:54:14,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108582 to 103235. [2018-11-18 17:54:14,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103235 states. [2018-11-18 17:54:14,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103235 states to 103235 states and 132744 transitions. [2018-11-18 17:54:14,449 INFO L78 Accepts]: Start accepts. Automaton has 103235 states and 132744 transitions. Word has length 481 [2018-11-18 17:54:14,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:54:14,449 INFO L480 AbstractCegarLoop]: Abstraction has 103235 states and 132744 transitions. [2018-11-18 17:54:14,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:54:14,449 INFO L276 IsEmpty]: Start isEmpty. Operand 103235 states and 132744 transitions. [2018-11-18 17:54:14,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2018-11-18 17:54:14,618 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:54:14,619 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:54:14,619 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:54:14,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:14,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1260334420, now seen corresponding path program 1 times [2018-11-18 17:54:14,619 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:54:14,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:54:14,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:54:14,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:54:14,620 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:54:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:14,853 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 116 proven. 2 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2018-11-18 17:54:14,853 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:54:14,853 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:54:14,853 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 490 with the following transitions: [2018-11-18 17:54:14,854 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [157], [159], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [641], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [751], [762], [766], [777], [781], [785], [789], [793], [797], [800], [805], [807], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 17:54:14,855 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:54:14,856 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:54:15,297 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:54:15,297 INFO L272 AbstractInterpreter]: Visited 149 different actions 743 times. Merged at 9 different actions 48 times. Widened at 1 different actions 2 times. Performed 10375 root evaluator evaluations with a maximum evaluation depth of 15. Performed 10375 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 11 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-18 17:54:15,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:15,298 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:54:15,298 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:54:15,298 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:54:15,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:54:15,304 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:54:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:15,371 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:54:15,425 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2018-11-18 17:54:15,425 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:54:15,516 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 116 proven. 2 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2018-11-18 17:54:15,532 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 17:54:15,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 3 [2018-11-18 17:54:15,533 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:54:15,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:54:15,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:54:15,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:54:15,534 INFO L87 Difference]: Start difference. First operand 103235 states and 132744 transitions. Second operand 3 states. [2018-11-18 17:54:16,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:54:16,995 INFO L93 Difference]: Finished difference Result 210181 states and 274497 transitions. [2018-11-18 17:54:16,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:54:16,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 489 [2018-11-18 17:54:16,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:54:17,201 INFO L225 Difference]: With dead ends: 210181 [2018-11-18 17:54:17,201 INFO L226 Difference]: Without dead ends: 90671 [2018-11-18 17:54:17,455 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 980 GetRequests, 979 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:54:17,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90671 states. [2018-11-18 17:54:20,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90671 to 90592. [2018-11-18 17:54:20,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90592 states. [2018-11-18 17:54:20,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90592 states to 90592 states and 112942 transitions. [2018-11-18 17:54:20,524 INFO L78 Accepts]: Start accepts. Automaton has 90592 states and 112942 transitions. Word has length 489 [2018-11-18 17:54:20,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:54:20,524 INFO L480 AbstractCegarLoop]: Abstraction has 90592 states and 112942 transitions. [2018-11-18 17:54:20,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:54:20,524 INFO L276 IsEmpty]: Start isEmpty. Operand 90592 states and 112942 transitions. [2018-11-18 17:54:20,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2018-11-18 17:54:20,680 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:54:20,680 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:54:20,680 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:54:20,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:20,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1271207433, now seen corresponding path program 1 times [2018-11-18 17:54:20,680 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:54:20,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:54:20,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:54:20,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:54:20,681 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:54:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:21,027 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 123 proven. 304 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2018-11-18 17:54:21,027 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:54:21,027 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:54:21,027 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 557 with the following transitions: [2018-11-18 17:54:21,027 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [157], [159], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [641], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [792], [793], [797], [808], [811], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [869], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 17:54:21,029 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:54:21,030 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:54:21,313 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:54:21,313 INFO L272 AbstractInterpreter]: Visited 159 different actions 640 times. Merged at 9 different actions 39 times. Widened at 1 different actions 1 times. Performed 9091 root evaluator evaluations with a maximum evaluation depth of 15. Performed 9091 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 8 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-18 17:54:21,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:21,318 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:54:21,318 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:54:21,318 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:54:21,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:54:21,324 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:54:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:21,398 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:54:21,544 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 404 proven. 2 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2018-11-18 17:54:21,544 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:54:21,903 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 123 proven. 561 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-18 17:54:21,918 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:54:21,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 15 [2018-11-18 17:54:21,918 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:54:21,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:54:21,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:54:21,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2018-11-18 17:54:21,919 INFO L87 Difference]: Start difference. First operand 90592 states and 112942 transitions. Second operand 9 states. [2018-11-18 17:54:24,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:54:24,820 INFO L93 Difference]: Finished difference Result 221304 states and 283076 transitions. [2018-11-18 17:54:24,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 17:54:24,821 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 556 [2018-11-18 17:54:24,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:54:25,215 INFO L225 Difference]: With dead ends: 221304 [2018-11-18 17:54:25,215 INFO L226 Difference]: Without dead ends: 136720 [2018-11-18 17:54:25,398 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1134 GetRequests, 1113 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2018-11-18 17:54:25,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136720 states. [2018-11-18 17:54:26,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136720 to 135756. [2018-11-18 17:54:26,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135756 states. [2018-11-18 17:54:27,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135756 states to 135756 states and 173357 transitions. [2018-11-18 17:54:27,277 INFO L78 Accepts]: Start accepts. Automaton has 135756 states and 173357 transitions. Word has length 556 [2018-11-18 17:54:27,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:54:27,277 INFO L480 AbstractCegarLoop]: Abstraction has 135756 states and 173357 transitions. [2018-11-18 17:54:27,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:54:27,277 INFO L276 IsEmpty]: Start isEmpty. Operand 135756 states and 173357 transitions. [2018-11-18 17:54:27,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2018-11-18 17:54:27,527 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:54:27,527 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 17:54:27,527 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:54:27,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:27,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1942628585, now seen corresponding path program 1 times [2018-11-18 17:54:27,528 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:54:27,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:54:27,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:54:27,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:54:27,529 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:54:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:27,858 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 327 proven. 104 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2018-11-18 17:54:27,859 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:54:27,859 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:54:27,859 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 571 with the following transitions: [2018-11-18 17:54:27,859 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [157], [159], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [641], [642], [646], [650], [653], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [869], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [1002], [1005], [1008], [1012], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 17:54:27,861 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:54:27,861 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:54:28,481 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:54:28,481 INFO L272 AbstractInterpreter]: Visited 188 different actions 561 times. Merged at 9 different actions 23 times. Never widened. Performed 7914 root evaluator evaluations with a maximum evaluation depth of 18. Performed 7914 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 5 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-18 17:54:28,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:28,482 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:54:28,482 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:54:28,482 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:54:28,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:54:28,490 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:54:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:28,564 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:54:29,609 WARN L180 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2018-11-18 17:54:32,269 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 479 proven. 2 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2018-11-18 17:54:32,270 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:54:32,468 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 256 proven. 209 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2018-11-18 17:54:32,484 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:54:32,485 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 5] total 14 [2018-11-18 17:54:32,485 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:54:32,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 17:54:32,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 17:54:32,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=137, Unknown=2, NotChecked=0, Total=182 [2018-11-18 17:54:32,486 INFO L87 Difference]: Start difference. First operand 135756 states and 173357 transitions. Second operand 12 states. [2018-11-18 17:54:35,475 WARN L180 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 36 DAG size of output: 17 [2018-11-18 17:55:00,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:55:00,321 INFO L93 Difference]: Finished difference Result 260615 states and 347950 transitions. [2018-11-18 17:55:00,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-18 17:55:00,322 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 570 [2018-11-18 17:55:00,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:55:00,967 INFO L225 Difference]: With dead ends: 260615 [2018-11-18 17:55:00,967 INFO L226 Difference]: Without dead ends: 122823 [2018-11-18 17:55:01,231 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1205 GetRequests, 1158 SyntacticMatches, 3 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 552 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=409, Invalid=1658, Unknown=3, NotChecked=0, Total=2070 [2018-11-18 17:55:01,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122823 states. [2018-11-18 17:55:02,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122823 to 120024. [2018-11-18 17:55:02,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120024 states. [2018-11-18 17:55:02,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120024 states to 120024 states and 144742 transitions. [2018-11-18 17:55:02,759 INFO L78 Accepts]: Start accepts. Automaton has 120024 states and 144742 transitions. Word has length 570 [2018-11-18 17:55:02,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:55:02,759 INFO L480 AbstractCegarLoop]: Abstraction has 120024 states and 144742 transitions. [2018-11-18 17:55:02,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 17:55:02,759 INFO L276 IsEmpty]: Start isEmpty. Operand 120024 states and 144742 transitions. [2018-11-18 17:55:02,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2018-11-18 17:55:02,886 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:55:02,886 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 17:55:02,886 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:55:02,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:55:02,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1081458562, now seen corresponding path program 1 times [2018-11-18 17:55:02,886 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:55:02,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:55:02,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:55:02,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:55:02,887 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:55:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:55:03,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 433 proven. 100 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2018-11-18 17:55:03,197 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:55:03,197 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:55:03,198 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 592 with the following transitions: [2018-11-18 17:55:03,198 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [157], [159], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [618], [623], [625], [626], [630], [634], [638], [641], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [811], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 17:55:03,200 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:55:03,200 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:55:03,498 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:55:03,498 INFO L272 AbstractInterpreter]: Visited 149 different actions 598 times. Merged at 9 different actions 37 times. Widened at 1 different actions 1 times. Performed 8209 root evaluator evaluations with a maximum evaluation depth of 15. Performed 8209 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 8 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-18 17:55:03,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:55:03,501 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:55:03,501 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:55:03,501 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:55:03,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:55:03,513 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:55:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:55:03,602 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:55:03,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 790 proven. 2 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-11-18 17:55:03,722 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:55:04,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 433 proven. 100 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2018-11-18 17:55:04,277 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:55:04,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 17:55:04,277 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:55:04,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:55:04,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:55:04,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:55:04,278 INFO L87 Difference]: Start difference. First operand 120024 states and 144742 transitions. Second operand 9 states. [2018-11-18 17:55:06,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:55:06,594 INFO L93 Difference]: Finished difference Result 222503 states and 275165 transitions. [2018-11-18 17:55:06,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 17:55:06,595 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 591 [2018-11-18 17:55:06,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:55:06,832 INFO L225 Difference]: With dead ends: 222503 [2018-11-18 17:55:06,832 INFO L226 Difference]: Without dead ends: 102906 [2018-11-18 17:55:07,050 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1201 GetRequests, 1184 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-11-18 17:55:07,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102906 states. [2018-11-18 17:55:08,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102906 to 100381. [2018-11-18 17:55:08,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100381 states. [2018-11-18 17:55:08,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100381 states to 100381 states and 117296 transitions. [2018-11-18 17:55:08,187 INFO L78 Accepts]: Start accepts. Automaton has 100381 states and 117296 transitions. Word has length 591 [2018-11-18 17:55:08,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:55:08,188 INFO L480 AbstractCegarLoop]: Abstraction has 100381 states and 117296 transitions. [2018-11-18 17:55:08,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:55:08,188 INFO L276 IsEmpty]: Start isEmpty. Operand 100381 states and 117296 transitions. [2018-11-18 17:55:08,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2018-11-18 17:55:08,247 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:55:08,247 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:55:08,247 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:55:08,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:55:08,248 INFO L82 PathProgramCache]: Analyzing trace with hash 479097189, now seen corresponding path program 1 times [2018-11-18 17:55:08,248 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:55:08,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:55:08,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:55:08,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:55:08,248 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:55:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:55:08,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 530 proven. 2 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2018-11-18 17:55:08,841 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:55:08,842 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:55:08,842 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 593 with the following transitions: [2018-11-18 17:55:08,842 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [157], [159], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [618], [623], [625], [626], [630], [634], [638], [641], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [751], [762], [766], [777], [781], [785], [789], [793], [797], [800], [803], [807], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 17:55:08,844 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:55:08,844 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:55:09,227 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:55:09,227 INFO L272 AbstractInterpreter]: Visited 152 different actions 745 times. Merged at 10 different actions 43 times. Widened at 1 different actions 1 times. Performed 10388 root evaluator evaluations with a maximum evaluation depth of 15. Performed 10388 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 12 fixpoints after 5 different actions. Largest state had 28 variables. [2018-11-18 17:55:09,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:55:09,230 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:55:09,230 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:55:09,230 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/bin-2019/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:55:09,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:55:09,240 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:55:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:55:09,335 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:55:09,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 530 proven. 2 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2018-11-18 17:55:09,444 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:55:09,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 530 proven. 2 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2018-11-18 17:55:09,661 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:55:09,661 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2018-11-18 17:55:09,661 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:55:09,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:55:09,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:55:09,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:55:09,662 INFO L87 Difference]: Start difference. First operand 100381 states and 117296 transitions. Second operand 7 states. [2018-11-18 17:55:12,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:55:12,315 INFO L93 Difference]: Finished difference Result 194894 states and 230764 transitions. [2018-11-18 17:55:12,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 17:55:12,316 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 592 [2018-11-18 17:55:12,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:55:12,439 INFO L225 Difference]: With dead ends: 194894 [2018-11-18 17:55:12,440 INFO L226 Difference]: Without dead ends: 89719 [2018-11-18 17:55:12,534 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1204 GetRequests, 1186 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2018-11-18 17:55:12,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89719 states. [2018-11-18 17:55:13,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89719 to 87583. [2018-11-18 17:55:13,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87583 states. [2018-11-18 17:55:13,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87583 states to 87583 states and 100612 transitions. [2018-11-18 17:55:13,452 INFO L78 Accepts]: Start accepts. Automaton has 87583 states and 100612 transitions. Word has length 592 [2018-11-18 17:55:13,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:55:13,453 INFO L480 AbstractCegarLoop]: Abstraction has 87583 states and 100612 transitions. [2018-11-18 17:55:13,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:55:13,453 INFO L276 IsEmpty]: Start isEmpty. Operand 87583 states and 100612 transitions. [2018-11-18 17:55:13,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2018-11-18 17:55:13,515 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:55:13,516 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 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 17:55:13,516 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:55:13,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:55:13,516 INFO L82 PathProgramCache]: Analyzing trace with hash -2079861789, now seen corresponding path program 1 times [2018-11-18 17:55:13,516 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:55:13,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:55:13,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:55:13,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:55:13,517 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:55:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:55:13,825 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 419 proven. 2 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2018-11-18 17:55:13,825 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:55:13,825 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:55:13,825 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 640 with the following transitions: [2018-11-18 17:55:13,825 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [157], [159], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [641], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [819], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [1002], [1005], [1008], [1012], [1013], [1017], [1021], [1032], [1036], [1040], [1044], [1055], [1059], [1063], [1067], [1070], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 17:55:13,828 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:55:13,828 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:55:14,358 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:55:14,358 INFO L272 AbstractInterpreter]: Visited 199 different actions 793 times. Merged at 9 different actions 34 times. Never widened. Performed 11389 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11389 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 8 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-18 17:55:14,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:55:14,370 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:55:14,370 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:55:14,371 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/bin-2019/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:55:14,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:55:14,380 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:55:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:55:14,472 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:55:14,931 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 419 proven. 2 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2018-11-18 17:55:14,931 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:55:15,128 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 419 proven. 2 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2018-11-18 17:55:15,144 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:55:15,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-18 17:55:15,144 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:55:15,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:55:15,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:55:15,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:55:15,145 INFO L87 Difference]: Start difference. First operand 87583 states and 100612 transitions. Second operand 7 states. [2018-11-18 17:55:16,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:55:16,789 INFO L93 Difference]: Finished difference Result 153974 states and 178452 transitions. [2018-11-18 17:55:16,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 17:55:16,789 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 639 [2018-11-18 17:55:16,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:55:16,949 INFO L225 Difference]: With dead ends: 153974 [2018-11-18 17:55:16,949 INFO L226 Difference]: Without dead ends: 87896 [2018-11-18 17:55:17,021 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1290 GetRequests, 1278 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-11-18 17:55:17,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87896 states. [2018-11-18 17:55:17,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87896 to 84583. [2018-11-18 17:55:17,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84583 states. [2018-11-18 17:55:17,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84583 states to 84583 states and 96969 transitions. [2018-11-18 17:55:17,885 INFO L78 Accepts]: Start accepts. Automaton has 84583 states and 96969 transitions. Word has length 639 [2018-11-18 17:55:17,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:55:17,885 INFO L480 AbstractCegarLoop]: Abstraction has 84583 states and 96969 transitions. [2018-11-18 17:55:17,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:55:17,885 INFO L276 IsEmpty]: Start isEmpty. Operand 84583 states and 96969 transitions. [2018-11-18 17:55:17,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 701 [2018-11-18 17:55:17,954 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:55:17,954 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 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] [2018-11-18 17:55:17,954 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:55:17,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:55:17,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1375249957, now seen corresponding path program 1 times [2018-11-18 17:55:17,954 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:55:17,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:55:17,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:55:17,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:55:17,955 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:55:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:55:18,350 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2018-11-18 17:55:18,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 344 proven. 291 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2018-11-18 17:55:18,698 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:55:18,698 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:55:18,698 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 701 with the following transitions: [2018-11-18 17:55:18,698 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [157], [159], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [618], [623], [625], [626], [630], [634], [638], [641], [642], [646], [650], [653], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [751], [762], [766], [777], [781], [785], [789], [793], [797], [800], [803], [807], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 17:55:18,700 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:55:18,700 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:55:19,065 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:55:19,065 INFO L272 AbstractInterpreter]: Visited 153 different actions 746 times. Merged at 10 different actions 39 times. Widened at 1 different actions 1 times. Performed 10495 root evaluator evaluations with a maximum evaluation depth of 15. Performed 10495 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 15 fixpoints after 5 different actions. Largest state had 28 variables. [2018-11-18 17:55:19,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:55:19,070 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:55:19,070 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:55:19,070 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/bin-2019/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:55:19,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:55:19,078 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:55:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:55:19,188 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:55:19,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 637 proven. 28 refuted. 0 times theorem prover too weak. 982 trivial. 0 not checked. [2018-11-18 17:55:19,496 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:55:19,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2018-11-18 17:55:19,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 17:55:19,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [16, 6] total 20 [2018-11-18 17:55:19,712 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:55:19,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:55:19,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:55:19,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2018-11-18 17:55:19,712 INFO L87 Difference]: Start difference. First operand 84583 states and 96969 transitions. Second operand 3 states. [2018-11-18 17:55:20,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:55:20,671 INFO L93 Difference]: Finished difference Result 145803 states and 166928 transitions. [2018-11-18 17:55:20,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:55:20,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 700 [2018-11-18 17:55:20,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:55:20,672 INFO L225 Difference]: With dead ends: 145803 [2018-11-18 17:55:20,672 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:55:20,778 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1423 GetRequests, 1404 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2018-11-18 17:55:20,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:55:20,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:55:20,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:55:20,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:55:20,779 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 700 [2018-11-18 17:55:20,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:55:20,779 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:55:20,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:55:20,779 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:55:20,779 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:55:20,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:55:21,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:21,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:22,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:23,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:23,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:23,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:23,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:23,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:23,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:23,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:23,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:23,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:23,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:24,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:24,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:24,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:24,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:25,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:25,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:25,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:25,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:25,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:25,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:25,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:25,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:26,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:26,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:26,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:26,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:27,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:27,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:27,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:27,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:27,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:27,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:28,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:29,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:30,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:30,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:30,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:30,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:30,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:30,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:30,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:30,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:30,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:30,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:30,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:30,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:30,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:30,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:30,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:30,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:30,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:30,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:30,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:30,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:30,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:31,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:31,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:31,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:31,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:31,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:32,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:32,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:32,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:32,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:32,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:32,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:32,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:32,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:32,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:32,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:32,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:33,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:33,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:33,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:33,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:33,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:33,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:33,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:33,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:33,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:33,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:33,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:33,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:33,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:34,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:34,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:34,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:34,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:34,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:34,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:34,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:34,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:34,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:34,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:34,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,538 WARN L180 SmtUtils]: Spent 14.02 s on a formula simplification. DAG size of input: 3412 DAG size of output: 2539 [2018-11-18 17:55:35,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:35,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:36,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:37,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:37,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:37,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:37,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:37,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:37,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:37,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:38,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:38,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:38,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:38,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:39,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:39,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:39,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:39,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:39,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:39,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:39,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:40,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:40,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:40,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:40,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:40,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:41,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:41,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:41,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:41,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:41,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:41,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:42,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:43,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:43,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:43,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:43,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:43,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:43,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:43,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:43,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:43,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:43,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:43,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:43,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:43,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:43,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:43,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:43,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:43,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:43,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:43,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:43,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:44,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:44,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:44,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:44,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:44,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:44,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:44,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:44,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:44,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:44,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:44,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:44,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:44,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:44,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:44,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:44,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:44,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:45,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:45,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:45,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:45,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:45,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:45,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:45,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:46,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:46,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:46,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:46,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:46,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:46,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:46,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:46,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:46,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:46,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:46,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:46,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:46,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:46,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:46,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:47,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:47,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:47,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:47,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:47,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:47,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:47,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:47,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:47,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:47,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:47,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:48,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:48,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:48,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:48,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:48,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:48,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:48,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:48,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:49,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:49,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:49,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:49,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:49,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:49,399 WARN L180 SmtUtils]: Spent 13.86 s on a formula simplification. DAG size of input: 3418 DAG size of output: 2541 [2018-11-18 17:55:57,178 WARN L180 SmtUtils]: Spent 7.65 s on a formula simplification. DAG size of input: 1291 DAG size of output: 102 [2018-11-18 17:57:20,946 WARN L180 SmtUtils]: Spent 1.40 m on a formula simplification. DAG size of input: 2350 DAG size of output: 108 [2018-11-18 17:58:42,112 WARN L180 SmtUtils]: Spent 1.35 m on a formula simplification. DAG size of input: 2350 DAG size of output: 108 [2018-11-18 17:58:42,114 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:58:42,114 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-18 17:58:42,114 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:58:42,114 INFO L425 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-11-18 17:58:42,114 INFO L425 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-11-18 17:58:42,114 INFO L425 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-11-18 17:58:42,114 INFO L425 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,115 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,115 INFO L425 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,115 INFO L425 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,115 INFO L425 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,115 INFO L425 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,115 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,115 INFO L425 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-11-18 17:58:42,115 INFO L425 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-18 17:58:42,115 INFO L425 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-11-18 17:58:42,115 INFO L425 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,115 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,115 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,115 INFO L425 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,115 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,115 INFO L425 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,115 INFO L425 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,115 INFO L425 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,115 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,116 INFO L425 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-11-18 17:58:42,116 INFO L425 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-11-18 17:58:42,116 INFO L425 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-11-18 17:58:42,116 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,116 INFO L425 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,116 INFO L425 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,116 INFO L425 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,116 INFO L425 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,116 INFO L425 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,116 INFO L425 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,116 INFO L425 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,116 INFO L425 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,116 INFO L425 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-11-18 17:58:42,116 INFO L425 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-11-18 17:58:42,116 INFO L425 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-11-18 17:58:42,117 INFO L425 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2018-11-18 17:58:42,117 INFO L425 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-11-18 17:58:42,117 INFO L425 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2018-11-18 17:58:42,117 INFO L425 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2018-11-18 17:58:42,117 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,117 INFO L425 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,117 INFO L425 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,117 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,117 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,117 INFO L425 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,117 INFO L425 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,117 INFO L425 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,117 INFO L425 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,117 INFO L425 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,117 INFO L425 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2018-11-18 17:58:42,117 INFO L425 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-11-18 17:58:42,118 INFO L425 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-11-18 17:58:42,118 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 81) no Hoare annotation was computed. [2018-11-18 17:58:42,118 INFO L425 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,118 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,118 INFO L425 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,118 INFO L425 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,118 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,118 INFO L425 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-11-18 17:58:42,118 INFO L425 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-11-18 17:58:42,118 INFO L425 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-18 17:58:42,118 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,118 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,118 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,118 INFO L425 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,118 INFO L425 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,119 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2018-11-18 17:58:42,119 INFO L425 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2018-11-18 17:58:42,119 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,119 INFO L425 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,119 INFO L425 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,119 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,119 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,119 INFO L425 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,119 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2018-11-18 17:58:42,119 INFO L425 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2018-11-18 17:58:42,119 INFO L425 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,119 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,119 INFO L425 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-11-18 17:58:42,119 INFO L425 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-11-18 17:58:42,119 INFO L425 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-11-18 17:58:42,119 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,120 INFO L425 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,120 INFO L425 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,120 INFO L425 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,120 INFO L425 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,120 INFO L425 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,120 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,120 INFO L425 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2018-11-18 17:58:42,120 INFO L425 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-11-18 17:58:42,120 INFO L425 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-18 17:58:42,120 INFO L425 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2018-11-18 17:58:42,120 INFO L425 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2018-11-18 17:58:42,120 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2018-11-18 17:58:42,120 INFO L425 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2018-11-18 17:58:42,120 INFO L425 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,120 INFO L425 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,120 INFO L425 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2018-11-18 17:58:42,120 INFO L425 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2018-11-18 17:58:42,121 INFO L425 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,121 INFO L425 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,121 INFO L425 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,121 INFO L425 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,121 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse5 (< 0 |old(~a4~0)|)) (.cse14 (= 12 |old(~a25~0)|)) (.cse16 (+ |old(~a23~0)| 43))) (let ((.cse15 (< 220 |old(~a29~0)|)) (.cse4 (< 275 |old(~a29~0)|)) (.cse0 (< |old(~a29~0)| 141)) (.cse2 (< 9 |old(~a25~0)|)) (.cse8 (not (= 10 |old(~a25~0)|))) (.cse3 (not (= 1 |old(~a4~0)|))) (.cse11 (< |old(~a25~0)| 13)) (.cse10 (< 0 (+ |old(~a29~0)| 28445))) (.cse7 (<= .cse16 0)) (.cse6 (not .cse14)) (.cse13 (< |old(~a25~0)| 10)) (.cse1 (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|))) (.cse9 (or .cse5 (< 130 |old(~a29~0)|))) (.cse17 (< 0 (+ |old(~a29~0)| 41627))) (.cse12 (< 138 |old(~a23~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse5 .cse6) (or .cse1 .cse3 .cse7) (or .cse8 .cse9 .cse10 .cse1) (or (forall ((v_prenex_2 Int)) (or (< (+ (mod v_prenex_2 15) 260) |old(~a29~0)|) (< v_prenex_2 |old(~a29~0)|) (< v_prenex_2 0))) .cse1 .cse11 .cse5 .cse12) (or .cse13 .cse1 .cse14 .cse15 .cse5 .cse12) (or .cse1 .cse5 .cse15 .cse7 .cse12) (or .cse0 .cse1 .cse14 .cse3 .cse4) (or .cse1 .cse0 .cse2 (< 0 .cse16) .cse5) (or .cse1 .cse8 .cse3) (or .cse1 (< 245 |old(~a29~0)|) .cse3 .cse6) (or .cse1 .cse11 .cse5 .cse7 .cse12) (or .cse13 .cse9 .cse10 .cse12 .cse1) (or .cse1 .cse5 .cse7 .cse6 .cse12) (or .cse1 .cse9 .cse17 .cse6) (or .cse13 (< 0 (+ |old(~a23~0)| 576942)) .cse5 .cse1) (or .cse1 (or .cse9 .cse17 .cse12))))) [2018-11-18 17:58:42,121 INFO L425 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,121 INFO L425 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-11-18 17:58:42,121 INFO L425 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-11-18 17:58:42,121 INFO L425 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-11-18 17:58:42,121 INFO L425 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,122 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,122 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,122 INFO L425 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,122 INFO L425 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,122 INFO L425 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,122 INFO L425 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-11-18 17:58:42,122 INFO L425 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-11-18 17:58:42,122 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-18 17:58:42,122 INFO L425 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,122 INFO L425 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,122 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,122 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,122 INFO L425 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,122 INFO L425 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,122 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,123 INFO L425 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,123 INFO L425 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-11-18 17:58:42,123 INFO L425 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-11-18 17:58:42,123 INFO L425 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-11-18 17:58:42,123 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,123 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,123 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,123 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,123 INFO L425 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,123 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,123 INFO L425 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,123 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,123 INFO L425 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,123 INFO L425 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,123 INFO L425 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,124 INFO L425 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2018-11-18 17:58:42,124 INFO L425 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2018-11-18 17:58:42,124 INFO L425 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-11-18 17:58:42,124 INFO L425 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-11-18 17:58:42,124 INFO L425 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-11-18 17:58:42,124 INFO L425 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,124 INFO L425 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,124 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,124 INFO L425 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,124 INFO L425 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,124 INFO L425 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,124 INFO L425 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,124 INFO L425 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-11-18 17:58:42,124 INFO L425 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-11-18 17:58:42,124 INFO L425 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-11-18 17:58:42,125 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,125 INFO L425 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,125 INFO L425 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,125 INFO L425 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2018-11-18 17:58:42,125 INFO L425 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2018-11-18 17:58:42,125 INFO L425 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,125 INFO L425 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,125 INFO L425 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,125 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,125 INFO L425 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,125 INFO L425 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-11-18 17:58:42,125 INFO L425 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-11-18 17:58:42,125 INFO L425 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,125 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,126 INFO L425 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2018-11-18 17:58:42,126 INFO L425 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2018-11-18 17:58:42,126 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,126 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,126 INFO L425 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,126 INFO L425 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,126 INFO L425 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,126 INFO L425 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,126 INFO L425 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-11-18 17:58:42,126 INFO L425 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-11-18 17:58:42,126 INFO L425 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2018-11-18 17:58:42,126 INFO L425 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2018-11-18 17:58:42,126 INFO L425 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,126 INFO L425 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,126 INFO L425 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,126 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,126 INFO L425 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,126 INFO L425 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,126 INFO L425 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,127 INFO L425 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,128 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,129 INFO L425 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,129 INFO L425 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,129 INFO L425 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,129 INFO L425 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,129 INFO L425 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,129 INFO L425 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,129 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,129 INFO L425 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,129 INFO L425 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-11-18 17:58:42,129 INFO L425 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-11-18 17:58:42,129 INFO L425 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-18 17:58:42,129 INFO L425 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,129 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2018-11-18 17:58:42,129 INFO L425 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2018-11-18 17:58:42,129 INFO L425 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,129 INFO L425 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,129 INFO L425 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,130 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,130 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,130 INFO L425 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,130 INFO L425 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-11-18 17:58:42,130 INFO L425 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-11-18 17:58:42,130 INFO L425 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-18 17:58:42,130 INFO L425 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,130 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,130 INFO L425 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,130 INFO L425 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,130 INFO L425 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2018-11-18 17:58:42,130 INFO L425 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2018-11-18 17:58:42,130 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,130 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,130 INFO L425 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2018-11-18 17:58:42,130 INFO L425 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,131 INFO L425 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,131 INFO L425 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 17:58:42,131 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:58:42,131 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a23~0 312) (= ~a8~0 15) (<= ~a29~0 130) (= 1 ~a4~0) (<= 130 ~a29~0) (= ~a25~0 10) (= ~a3~0 1)) [2018-11-18 17:58:42,131 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:58:42,131 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:58:42,131 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (and (= ~a25~0 |old(~a25~0)|) (= ~a29~0 130) (= ~a23~0 |old(~a23~0)|) (= 1 ~a4~0)) (not (= 10 |old(~a25~0)|)) (not (= 15 ~a8~0)) (not (= 1 ~a3~0)) (not (= 312 |old(~a23~0)|)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|))) [2018-11-18 17:58:42,131 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2018-11-18 17:58:42,131 INFO L421 ceAbstractionStarter]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse19 (+ ~a23~0 43))) (let ((.cse14 (< 0 .cse19)) (.cse15 (= ~a25~0 12)) (.cse18 (<= ~a23~0 312)) (.cse7 (<= ~a4~0 0))) (let ((.cse2 (and .cse18 .cse7 (<= ~a29~0 130))) (.cse4 (<= .cse19 0)) (.cse8 (<= ~a25~0 9)) (.cse0 (<= 10 ~a25~0)) (.cse3 (<= (+ ~a29~0 28445) 0)) (.cse13 (= 10 ~a25~0)) (.cse12 (<= ~a29~0 220)) (.cse16 (<= ~a29~0 275)) (.cse11 (not .cse15)) (.cse10 (= 1 ~a4~0)) (.cse6 (<= 141 ~a29~0)) (.cse5 (<= (+ ~a29~0 41627) 0)) (.cse9 (<= 13 ~a25~0)) (.cse17 (and .cse18 .cse7 .cse14 (<= 0 (+ |old(~a23~0)| 42)))) (.cse1 (<= ~a23~0 138))) (or (and .cse0 .cse1 (and .cse2 .cse3)) (not (= 10 |old(~a25~0)|)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|)) (and .cse4 (and .cse5 .cse2)) (not (= 1 ~a3~0)) (and (and .cse6 (and .cse7 .cse8)) .cse4) (and .cse7 .cse0 (<= (+ ~a23~0 576942) 0)) (and (and (exists ((v_prenex_2 Int)) (and (<= |old(~a29~0)| v_prenex_2) (<= ~a29~0 (+ (mod v_prenex_2 15) 260)) (<= 0 v_prenex_2))) .cse7 .cse9) .cse4) (and (and .cse8 .cse10) .cse6) (and (and .cse7 .cse11 .cse12) .cse0 .cse1) (not (= 312 |old(~a23~0)|)) (and (and .cse3 .cse7) .cse13) (and .cse14 .cse10) (and .cse15 .cse7 .cse16 .cse6) (and .cse13 .cse10) (and .cse15 (<= ~a29~0 245) .cse10) (and .cse15 .cse1 .cse17) (and (and .cse17 .cse12) .cse1) (and .cse16 (and .cse11 .cse10) .cse6) (and .cse5 (and .cse15 .cse7)) (and (and .cse9 .cse17) .cse1) (not (= 15 ~a8~0)))))) [2018-11-18 17:58:42,131 INFO L425 ceAbstractionStarter]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2018-11-18 17:58:42,131 INFO L425 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2018-11-18 17:58:42,131 INFO L425 ceAbstractionStarter]: For program point L1034-1(lines 1034 1043) no Hoare annotation was computed. [2018-11-18 17:58:42,132 INFO L421 ceAbstractionStarter]: At program point L1034-3(lines 1034 1043) the Hoare annotation is: (let ((.cse19 (+ ~a23~0 43))) (let ((.cse14 (< 0 .cse19)) (.cse15 (= ~a25~0 12)) (.cse18 (<= ~a23~0 312)) (.cse7 (<= ~a4~0 0))) (let ((.cse2 (and .cse18 .cse7 (<= ~a29~0 130))) (.cse4 (<= .cse19 0)) (.cse8 (<= ~a25~0 9)) (.cse0 (<= 10 ~a25~0)) (.cse3 (<= (+ ~a29~0 28445) 0)) (.cse13 (= 10 ~a25~0)) (.cse12 (<= ~a29~0 220)) (.cse16 (<= ~a29~0 275)) (.cse11 (not .cse15)) (.cse10 (= 1 ~a4~0)) (.cse6 (<= 141 ~a29~0)) (.cse5 (<= (+ ~a29~0 41627) 0)) (.cse9 (<= 13 ~a25~0)) (.cse17 (and .cse18 .cse7 .cse14 (<= 0 (+ |old(~a23~0)| 42)))) (.cse1 (<= ~a23~0 138))) (or (and .cse0 .cse1 (and .cse2 .cse3)) (not (= 10 |old(~a25~0)|)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|)) (and .cse4 (and .cse5 .cse2)) (not (= 1 ~a3~0)) (and (and .cse6 (and .cse7 .cse8)) .cse4) (and .cse7 .cse0 (<= (+ ~a23~0 576942) 0)) (and (and (exists ((v_prenex_2 Int)) (and (<= |old(~a29~0)| v_prenex_2) (<= ~a29~0 (+ (mod v_prenex_2 15) 260)) (<= 0 v_prenex_2))) .cse7 .cse9) .cse4) (and (and .cse8 .cse10) .cse6) (and (and .cse7 .cse11 .cse12) .cse0 .cse1) (not (= 312 |old(~a23~0)|)) (and (and .cse3 .cse7) .cse13) (and .cse14 .cse10) (and .cse15 .cse7 .cse16 .cse6) (and .cse13 .cse10) (and .cse15 (<= ~a29~0 245) .cse10) (and .cse15 .cse1 .cse17) (and (and .cse17 .cse12) .cse1) (and .cse16 (and .cse11 .cse10) .cse6) (and .cse5 (and .cse15 .cse7)) (and (and .cse9 .cse17) .cse1) (not (= 15 ~a8~0)))))) [2018-11-18 17:58:42,132 INFO L425 ceAbstractionStarter]: For program point L1034-4(lines 1028 1044) no Hoare annotation was computed. [2018-11-18 17:58:42,135 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-11-18 17:58:42,136 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-11-18 17:58:42,136 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-11-18 17:58:42,139 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-11-18 17:58:42,139 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-11-18 17:58:42,139 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-11-18 17:58:42,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:58:42 BoogieIcfgContainer [2018-11-18 17:58:42,144 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:58:42,145 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:58:42,145 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:58:42,145 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:58:42,145 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:50:35" (3/4) ... [2018-11-18 17:58:42,148 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:58:42,157 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:58:42,157 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 17:58:42,157 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:58:42,169 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:58:42,170 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:58:42,195 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((10 <= a25 && a23 <= 138) && ((a23 <= 312 && a4 <= 0) && a29 <= 130) && a29 + 28445 <= 0) || !(10 == \old(a25))) || !(1 == \old(a4))) || !(130 == \old(a29))) || (a23 + 43 <= 0 && a29 + 41627 <= 0 && (a23 <= 312 && a4 <= 0) && a29 <= 130)) || !(1 == a3)) || ((141 <= a29 && a4 <= 0 && a25 <= 9) && a23 + 43 <= 0)) || ((a4 <= 0 && 10 <= a25) && a23 + 576942 <= 0)) || ((((\exists v_prenex_2 : int :: (\old(a29) <= v_prenex_2 && a29 <= v_prenex_2 % 15 + 260) && 0 <= v_prenex_2) && a4 <= 0) && 13 <= a25) && a23 + 43 <= 0)) || ((a25 <= 9 && 1 == a4) && 141 <= a29)) || ((((a4 <= 0 && !(a25 == 12)) && a29 <= 220) && 10 <= a25) && a23 <= 138)) || !(312 == \old(a23))) || ((a29 + 28445 <= 0 && a4 <= 0) && 10 == a25)) || (0 < a23 + 43 && 1 == a4)) || (((a25 == 12 && a4 <= 0) && a29 <= 275) && 141 <= a29)) || (10 == a25 && 1 == a4)) || ((a25 == 12 && a29 <= 245) && 1 == a4)) || ((a25 == 12 && a23 <= 138) && ((a23 <= 312 && a4 <= 0) && 0 < a23 + 43) && 0 <= \old(a23) + 42)) || (((((a23 <= 312 && a4 <= 0) && 0 < a23 + 43) && 0 <= \old(a23) + 42) && a29 <= 220) && a23 <= 138)) || ((a29 <= 275 && !(a25 == 12) && 1 == a4) && 141 <= a29)) || (a29 + 41627 <= 0 && a25 == 12 && a4 <= 0)) || ((13 <= a25 && ((a23 <= 312 && a4 <= 0) && 0 < a23 + 43) && 0 <= \old(a23) + 42) && a23 <= 138)) || !(15 == a8) [2018-11-18 17:58:42,286 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_07fad9f9-1ff8-4102-920a-3016f2b8ed29/bin-2019/utaipan/witness.graphml [2018-11-18 17:58:42,286 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:58:42,287 INFO L168 Benchmark]: Toolchain (without parser) took 488179.84 ms. Allocated memory was 1.0 GB in the beginning and 5.4 GB in the end (delta: 4.4 GB). Free memory was 952.8 MB in the beginning and 1.9 GB in the end (delta: -991.0 MB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. [2018-11-18 17:58:42,287 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:58:42,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 480.86 ms. Allocated memory is still 1.0 GB. Free memory was 952.8 MB in the beginning and 893.7 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:58:42,288 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 893.7 MB in the beginning and 1.1 GB in the end (delta: -246.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:58:42,288 INFO L168 Benchmark]: Boogie Preprocessor took 57.25 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:58:42,288 INFO L168 Benchmark]: RCFGBuilder took 1067.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 964.6 MB in the end (delta: 167.8 MB). Peak memory consumption was 167.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:58:42,288 INFO L168 Benchmark]: TraceAbstraction took 486328.80 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 964.6 MB in the beginning and 2.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-11-18 17:58:42,289 INFO L168 Benchmark]: Witness Printer took 141.78 ms. Allocated memory is still 5.4 GB. Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 65.6 MB). Peak memory consumption was 65.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:58:42,290 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 480.86 ms. Allocated memory is still 1.0 GB. Free memory was 952.8 MB in the beginning and 893.7 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 893.7 MB in the beginning and 1.1 GB in the end (delta: -246.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.25 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1067.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 964.6 MB in the end (delta: 167.8 MB). Peak memory consumption was 167.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 486328.80 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 964.6 MB in the beginning and 2.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. * Witness Printer took 141.78 ms. Allocated memory is still 5.4 GB. Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 65.6 MB). Peak memory consumption was 65.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 81]: 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: 1034]: Loop Invariant [2018-11-18 17:58:42,293 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-11-18 17:58:42,293 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-11-18 17:58:42,294 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-11-18 17:58:42,295 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-11-18 17:58:42,295 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2018-11-18 17:58:42,295 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((((10 <= a25 && a23 <= 138) && ((a23 <= 312 && a4 <= 0) && a29 <= 130) && a29 + 28445 <= 0) || !(10 == \old(a25))) || !(1 == \old(a4))) || !(130 == \old(a29))) || (a23 + 43 <= 0 && a29 + 41627 <= 0 && (a23 <= 312 && a4 <= 0) && a29 <= 130)) || !(1 == a3)) || ((141 <= a29 && a4 <= 0 && a25 <= 9) && a23 + 43 <= 0)) || ((a4 <= 0 && 10 <= a25) && a23 + 576942 <= 0)) || ((((\exists v_prenex_2 : int :: (\old(a29) <= v_prenex_2 && a29 <= v_prenex_2 % 15 + 260) && 0 <= v_prenex_2) && a4 <= 0) && 13 <= a25) && a23 + 43 <= 0)) || ((a25 <= 9 && 1 == a4) && 141 <= a29)) || ((((a4 <= 0 && !(a25 == 12)) && a29 <= 220) && 10 <= a25) && a23 <= 138)) || !(312 == \old(a23))) || ((a29 + 28445 <= 0 && a4 <= 0) && 10 == a25)) || (0 < a23 + 43 && 1 == a4)) || (((a25 == 12 && a4 <= 0) && a29 <= 275) && 141 <= a29)) || (10 == a25 && 1 == a4)) || ((a25 == 12 && a29 <= 245) && 1 == a4)) || ((a25 == 12 && a23 <= 138) && ((a23 <= 312 && a4 <= 0) && 0 < a23 + 43) && 0 <= \old(a23) + 42)) || (((((a23 <= 312 && a4 <= 0) && 0 < a23 + 43) && 0 <= \old(a23) + 42) && a29 <= 220) && a23 <= 138)) || ((a29 <= 275 && !(a25 == 12) && 1 == a4) && 141 <= a29)) || (a29 + 41627 <= 0 && a25 == 12 && a4 <= 0)) || ((13 <= a25 && ((a23 <= 312 && a4 <= 0) && 0 < a23 + 43) && 0 <= \old(a23) + 42) && a23 <= 138)) || !(15 == a8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. SAFE Result, 486.2s OverallTime, 20 OverallIterations, 7 TraceHistogramMax, 243.5s AutomataDifference, 0.0s DeadEndRemovalTime, 201.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 4341 SDtfs, 27335 SDslu, 5836 SDs, 0 SdLazy, 56718 SolverSat, 8687 SolverUnsat, 182 SolverUnknown, 0 SolverNotchecked, 203.3s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 13815 GetRequests, 13411 SyntacticMatches, 23 SemanticMatches, 381 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4992 ImplicationChecksByTransitivity, 21.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135756occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 8.1s AbstIntTime, 16 AbstIntIterations, 2 AbstIntStrong, 0.9972337021534479 AbsIntWeakeningRatio, 0.1257606490872211 AbsIntAvgWeakeningVarsNumRemoved, 18.07505070993915 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 14.0s AutomataMinimizationTime, 20 MinimizatonAttempts, 22852 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 4441 PreInvPairs, 5639 NumberOfFragments, 1222 HoareAnnotationTreeSize, 4441 FomulaSimplifications, 1252083 FormulaSimplificationTreeSizeReduction, 28.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 505402 FormulaSimplificationTreeSizeReductionInter, 172.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 13.4s InterpolantComputationTime, 13841 NumberOfCodeBlocks, 13841 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 20181 ConstructedInterpolants, 38 QuantifiedInterpolants, 23661603 SizeOfPredicates, 15 NumberOfNonLiveVariables, 10236 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 48 InterpolantComputations, 10 PerfectInterpolantSequences, 25374/28185 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...